How are diamonds found in Africa?
In this south central region, diamonds are mined from kimberlite mines in South Africa, Angola and the DRC, and from alluvial dredging mining operations in Angola, Namibia and again, South Africa. West African diamond mining is mostly from altered kimberlite pipes and eluvial deposits.
Where are diamonds found in Africa?
Top five diamond mining countries of Africa profiled
 - Botswana. Botswana heads Africa's list of diamond miners, housing seven well-established mines including Jwaneng, the world's richest in terms of value, Orapa, the world's largest by area, along with Karowe and Letlhakane. …
 - Angola. …
 - Democratic Republic of Congo. …
 - South Africa. …
 - Namibia.
9.03.2020
Why are most diamonds found in Africa?
Diamonds in Africa were formed somewhere between 600 million and 3 billion years ago when titanic-force pressure and heat caused carbon 1,200 miles (1,931 km) below the Earth's surface to crystallize. As recently as a million years ago, erupting molten rock brought the diamonds closer to the Earth's surface.
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How do they mine diamonds in Africa?
The first diamonds discovered in South Africa were from alluvial deposits. Today, industrial alluvial mining involves building a large wall to collect the water in one area. Diamonds are often found in the gravel layer, which collects under layers of other material, such as mud, clay and underwater plant-life.
Are diamonds only found in Africa?
Diamonds are present in about 35 countries. South Africa, Russia and Botswana are the main producers of gem diamond while Australia produces most of the industrial diamond. They are also found in India, Russia, Siberia, Brazil, China, Canada and the United States.
Which Diamond is famous in Africa?
Cullinan Diamond
The rough diamond
Weight 3,106.75 carats (621.350 g)
Cut 105 stones of assorted cuts
Country of origin South Africa
Mine of origin Premier Mine
Which country in Africa has the highest diamond?
The Democratic Republic of Congo has the largest diamond reserves on the continent. However, in 2018, production was around 16.390 million carats of diamonds.
Are Diamonds cheap in Africa?
Many diamonds are mined in Africa but are only sold in bulk to diamond cutters. … Another reason you'll find diamonds are cheaper in other countries is the retail markup. Countries like India and China have a lower percentage of retail markups than we see in the US. This lower margin helps you to save even more money.
Who owns the diamond mines in Africa?
De Beers
Industry Mining and trading of diamonds
Products Diamonds
Services Diamond mining and marketing
Revenue US$6.08 billion (2018)
Owners Anglo American plc (85%) Government of Botswana (15%)
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Where do real diamonds come from?
Diamonds were first discovered and mined in India over 2,400 years ago. Over time, diamonds were found in many other areas around the world, including many in Africa. In today's trade, Africa, Russia, Australia, and Canada produce the most diamonds.
How much do African diamond miners get paid?
Diamond miners who work in small-scale mining – panning or digging for diamonds – produce about 15% of the world's diamonds. But their wages do not reflect the value of their work. An estimated one million diamond diggers in Africa earn less than a dollar a day. This unlivable wage is below the extreme poverty line.
What do people in Africa use diamonds for?
In particular, diamonds in West Africa have been used for the last 30 or so years to fund rebel groups and their desire to take control of their nations by violence and intimidation. In such conflicted regions of the world, diamonds lose their connotation of beauty and elegance and are in stead stained with blood.
Are there diamonds in Nigeria?
Are there diamonds in Katsina? The Nigerian government has recognised more than 30 mineral resources – excluding oil and gas – in states across the country. … Diamonds are not on the list. Nigeria is also not on the global Diamond Producers Association list of countries that together mine 99.8% of the world's diamonds.
Which country found diamond?
List of countries by diamond production
Rank Country/Region Diamond production (million carats) in 2016
1 Russia 40
2 Botswana 20.9
3 Australia 13.9
4 DR Congo 12.3
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How much are diamonds in Africa?
How much is a 1 carat diamond? A round brilliant cut, 1.00ct G colour, SI1 clarity, excellent cut GIA-certified diamond will cost approximately $6850 including VAT (~ R106,183). A princess cut, 1.01ct H colour, SI1 clarity, GIA-certified diamond will cost approximately $4584 including VAT (~ R71,049).
Does Africa have gold?
Ghana is Africa's largest producer of gold, beating out South Africa for the top spot in 2019, and is also known for its reserves of various industrial minerals. Industry majors such as AngloGold Ashanti and Gold Fields have shifted their focus from South Africa to Ghana where deposits are cheaper and easier to mine.
Hai Afrika!


text:
Mining Publication: Technology News 453 - Navigation and Control of Continuous Mining Systems for Coal Mining
The primary focus of the U.S. Bureau of Mines (USBM) is to make mining safer and more healthful for mine workers. The USBM research program is developing technology that will allow computer-assisted operation of mechanized equipment normally used in underground room-and-pillar coal mining, while permitting workers to be located away from the hazardous coal extraction area (the face). Advanced navigation and control technologies are being developed for underground room-and-pillar and highwall coal mining that can be applied to commercially available mining equipment. The technology being developed uses off-the-shelf components, minimizing the effort required to adapt it to mining equipment. Because the new developments are completely modular, only the modules required in a particular application need be used on the system.

source: HuggingFaceFW/fineweb-edu


text:
Company Overview: We are a dynamic and innovative Technology SaaS company at the forefront of industry transformation. Our cutting-edge solutions empower businesses to thrive in the digital age. As we continue to expand, we are seeking a skilled and experienced Part-Time Finance Director to join our team remotely in the UK.
As the Finance Director focused on Investor Relations and Fundraising, you will be a key player in our growth journey, responsible for attracting investment capital and building strong relationships with investors.
This role presents an exciting opportunity to contribute to our financial strategy while enjoying the flexibility of remote work.
Position: Part-Time Finance Director
Location: Fully Remote (UK) Type: Part-Time
Role and Responsibilities:
As the Part-Time Finance Director, you will play a pivotal role in shaping our financial strategy and ensuring the long-term financial sustainability of the organisation. You will work closely with our executive team and contribute to key decision-making processes. Your responsibilities will include:
- Financial Strategy and Planning:
- Collaborate with the executive team to develop and execute financial strategies aligned with business objectives.
- Lead the budgeting and forecasting processes, providing accurate and insightful financial projections.
- Monitor financial performance and variances, analyzing trends and making strategic recommendations.
- Financial Reporting and Analysis:
- Prepare comprehensive financial reports, including profit and loss statements, balance sheets, and cash flow statements.
- Provide actionable insights based on financial analysis to support strategic decision-making.
- Ensure compliance with accounting standards, regulations, and reporting requirements.
- Cash Management and Risk Mitigation:
- Manage cash flow and liquidity, optimizing working capital efficiency.
- Identify and manage financial risks, implementing strategies to mitigate potential issues.
- Oversee credit control and collections to maintain healthy cash flow.
- Financial Operations:
- Supervise day-to-day financial operations, including invoicing, payments, and expense management.
- Implement efficient financial processes and controls to maintain accuracy and transparency.
- Ensure timely and accurate payroll processing.
- Financial Leadership:
- Lead, mentor, and develop a small finance team, fostering a culture of collaboration and continuous improvement.
- Act as a strategic partner to the executive team, providing financial insights to drive growth and innovation.
- Present financial performance updates and recommendations to the board of directors.
- Fundraising Strategy:
- Collaborate with the executive team to formulate a fundraising strategy aligned with the company's growth objectives.
- Identify potential sources of funding, including venture capital, angel investors, and strategic partnerships.
- Evaluate and recommend the optimal funding mix to support the company's expansion plans.
- Pitch Development:
- Develop our data-driven pitch materials that effectively communicate the company's value proposition, growth potential, and financial outlook.
- Craft persuasive investor presentations and financial models that showcase the startup's vision and opportunities.
- Investor Due Diligence:
- Lead due diligence processes, working closely with legal, finance, and operations teams to ensure smooth and thorough investor reviews.
- Prepare necessary documents and information to address investor inquiries and concerns.
- Negotiation and Deal Closure:
- Negotiate investment terms and conditions, balancing the interests of the company and investors.
- Coordinate legal and financial aspects of fundraising agreements, ensuring compliance with regulatory requirements.
- Financial Strategy Alignment:
- Collaborate with the CFO and finance team to ensure fundraising initiatives align with the company's overall financial strategy.
- Provide insights to the executive team based on investor feedback and market trends.
Qualifications and Experience:
- Qualified accountant (ACA, ACCA, CIMA) with a strong academic record.
- Proven experience as a Finance Director or similar senior finance role, preferably within the Technology SaaS industry.
- Solid understanding of SaaS business models, recurring revenue, and subscription-based pricing.
- Exceptional analytical, financial modeling, and forecasting skills.
- Proficient in financial software and tools.
- Strong leadership and team management abilities.
- Excellent communication skills with the ability to present complex financial information clearly to non-finance stakeholders.
- Comfortable working independently and remotely, demonstrating self-motivation and time management skills.
- Proven track record in fundraising and investor relations within the startup ecosystem.
- Demonstrated ability to attract investment capital and close funding rounds.
- Strong financial modeling and valuation skills.
Why Join Us:
- Be part of a forward-thinking and dynamic team driving technological innovation.
- Enjoy the flexibility of remote work with a strong emphasis on work-life balance.
- Contribute to shaping the financial direction of a growing SaaS organization.
- Collaborate with industry experts and gain exposure to cutting-edge technologies.
If you are an experienced finance professional looking for a challenging and rewarding part-time opportunity, we encourage you to apply. Join us in our mission to revolutionize the technology landscape while achieving personal and professional growth.
To apply, please submit your CV and a cover letter detailing your relevant experience and motivation for the role. We look forward to reviewing your application.

source: openbmb/Ultra-FineWeb


text:
Data technology company Ovarro has responded quickly to a request for emergency leak detection equipment from the Veolia Foundation, which is supporting the rehabilitation of drinking water networks in the Port of Beirut. A total of 12 Enigma leak loggers and a Mikron3 acoustic leak location device were flown to the city on 24 August, within six days of a text message request.
The Lebanese capital suffered some US$15 billion of damage to infrastructure and buildings in the wake of an accidental explosion on 4 August 2020. The blast was linked to unsuitable storage of 2,750 tonnes of ammonium nitrate and more than 200 people lost their lives and thousands more were injured.
The Veolia Foundation carries out humanitarian work and its priority areas of action include emergency response. The Veolia Foundation engineers supporting the local water utility on the ground in Beirut were familiar with Ovarro's technologies and could see a role for the equipment in helping secure the water network.
Eric Laumonier, site lead for Ovarro in France said, "Urgent action was needed to find and fix leaks in the city's network and the equipment had to reach Beirut quickly. We were proud to be in a position to help with this critical emergency effort."
The Enigma leak logger can be placed on the street in an urban environment, close to where a leak is suspected, and uses multi-point correlation to pinpoint the precise location.
- Public Health
- Human Rights
- Water Supply

source: m-a-p/FineFineWeb


Thread: Array having Integer and String elements
 1. #1
 Registered User
 Join Date
 Dec 2004
 Posts
 4
 Array having Integer and String elements
 Hi
 Can anybody help me to decide the datastructure I should use for defining an array Of elements which can be Integer as well as string.
 since I want to put GID (Group ID available in LInux System) in an array.
 elements can be
 grp1
 grp2
 123
 1097
 1397
 grp4
 grp5
 3790
 etc..
 ..skm
 2. #2
 Magically delicious LuckY's Avatar
 Join Date
 Oct 2001
 Posts
 856
 Well you cannot have an array consisting of elements of two different types. You have to make a decision since you have several options. They may all be stored as strings and converted to numeric (if necessary) when accessed or if you insist on having them remain in numeric form, store them in two different arrays. It's either that or create a data type that contains a string and an int and use that as the array, but that would be an horrid thing.
 3. #3
 Registered User
 Join Date
 Dec 2004
 Posts
 4
 Please let me know the BEst way to store all elements as strings and convert them to numeric.
 Right now I am assuming that the Input is provided as Numeric .
 The code is as follows :Plz let me know the changes that i can do.
 //const char *gidlist : comma separated list of gids. ( argument)
 // snapshot starts
 char *token=NULL;
 int gidint[5];
 int i=0, count=0;
 int is_member=0;
 // code to read the const char* and put elem in integer array
 token=strtok((char *)gidlist,",");
 while (token != NULL) {
 gidint[i]=atoi(token);
 token=strtok(NULL,",");
 i++;
 }
 // code for further manipulations
 // int Is_Running (int) ( function to return flag)
 count=i;
 for (i=0;i<count;i++) {
 if (Is_Running(gidint[i])) {
 printf ("GroupMember found %d",gidint[i]);
 is_member = 1; break;
 }
 }
 //snapshot ends
 4. #4
 Registered User
 Join Date
 Sep 2004
 Posts
 719
 you should check if the string contains non-digit characters before doing atoi()....i believe atoi("grp2") returns (int) 2.
 i also believe that a named group also has a numerical ID..i personally, would look up the group ID programatically with linux, and store it in nID...if the numerical ID was entered. set lpszID to NULL...
 struct{
 int nID;
 char *lpszID[MAX_GID_LENGTH];
 }
 i seem to have GCC 3.3.4
 But how do i start it?
 I dont have a menu for it or anything.
 5. #5
 Registered User
 Join Date
 Dec 2004
 Posts
 4
 Thanx for the quick reply.
 I have used a struct as follows :
 struct ID {
 int gid;
 char *groupname;
 } id;
 now the parameter that is received is const char* gidlist
 token=strtok((char *)gidlist,",");
 while (token != NULL) {
 tmp=atoi(token);
 if (isdigit(tmp)) {
 id.gid=tmp;
 id.groupname=NULL;
 printf("digit %d\n",id.gid);
 }
 else {
 id.groupname=token;
 printf("Nondigit char %s\n",id.groupname);
 }
 What is going wrong here, isdigit() doesn't seem to work..if I don't use atoi(), I get a segmentation fault error.
 6. #6
 Registered User
 Join Date
 Dec 2004
 Posts
 4
 I have used the following code for 'test for nondigits' and it works nicely.
 now I just wanted to confirm if this coding(so far what i have done) is the most appropriate or some better Implementation can be done.
 anyways.....Thanx for all uer answers. :-)
 int test_for_nondigits( const char *s ) {
 int nd = 0;
 size_t len;
 const char *p;
 len = strlen( s );
 if( len == 0 )
 return -1;
 p = s;
 while( *p ) { if( !isdigit( *p ) ) nd++; p++; } return nd;
 }
 7. #7
 Sweet
 Join Date
 Aug 2002
 Location
 Tucson, Arizona
 Posts
 1,818
 Woop?
 8. #8
 Registered User
 Join Date
 Sep 2004
 Posts
 719
 i'm thinking that a valid group ID name must start with an alphabetical character or an underscore..if this is true you can simply check the first character....
 (impromptu code..not tested)
 Code:
 struct ID
 {
 int nID;
 char lpszID[10];
 }id;

 char token[400] = NULL;
 token = strtok(gidlist, ",");
 while(token)
 {
 if( isdigit(*token) )
 {
 id.nID = atoi(token);
 id.lpszID = NULL;
 }else{
 //fake function below
 id.nID = 0; // nID = lookUpLinuxGroupIdNumber(token)
 strcpy(&id.lpszID, token);
 }
 printf("Group Name: %s; Group ID: %d\n", id.lpszID, id.nID);
 token = strtok(NULL, ",");
 }
 there is probably some error checking needed to be done here...but it depends on what you're going to use this data for and the exact specs of group ID's and numbers.
 by the way...use code tags when posting code
 Last edited by misplaced; 12-16-2004 at 03:47 AM.
 i seem to have GCC 3.3.4
 But how do i start it?
 I dont have a menu for it or anything.
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text:
Tiger Nuts (Chufa) (Raw and Organic) - The New Superfood 150g
Our organic Tiger nuts come from Alboraia in Valencia, where Enric Navarro has championed organic growing methods, working with the land's natural cycles, avoiding the use of chemical fertilizers or pesticides, and annually rotating the crop with organically-grown vegetables to produce tiger nuts of an exceptional quality. Tiger nuts were so prized by the ancient Egyptians that they have been found in burial tombs amongst other treasured possessions. Known as 'chufa' in Spain, these little tubers are packed with taste and healthful qualities.
They can be eaten just as they are, or you can add water to soften them slightly, eating them as a snack, ground or crushed to use in desserts, biscuits and granola or blended into smoothies. They can be soaked and crushed to make the traditional sweet, milky tasting Spanish drink Horchata. They are also delicious in combination with dried fruits such as dates or figs.
Tiger nuts grown in Valencia have an intense, sweet flavour. They are highly nutritious containing vitamin C and E as well as phosphorous, potassium, fibre and a good energy rich balance of natural sugars and proteins. It has also been suggested that Tiger nut consumption can help to prevent heart attack and reduce the risk of colon cancer.
Supplied in tamper proof tub.
D.O. CHUFA DE VALENCIA


text:
Affiliation: Key Lab of Materials Science and Processing of Anhui Province, School of Materials Science and Engineering, Anhui University of Technology, Ma'anshan, Anhui 243002, P. R. China.
Ternary vanadate one-dimensional nanomaterials exhibit great application potential in the fields of lithium ion batteries, photocatalysis and electrochemical sensors owing to their good electrochemical and photocatalytic properties. The article reviews the recent progress and patents on the vanadate one-dimensional nanomaterials. The synthesis of the vanadate nanorods, nanobelts and nanotubes by hydrothermal method, template method and room temperature wet chemical process is demonstrated. The application of the vanadate one-dimensional nanomaterials for lithium ion batteries, electrochemical sensors and photocatalysis is discussed. The possible development direction of the vanadate one-dimensional nanomaterials for the synthesis and application is also analyzed.


text:
Requirements for proficiency in Norwegian
The Norwegian language is the primary language of instruction at Norwegian institutions of higher education. Some foreign students learn Norwegian before they continue with further studies in Norway. Below is an overview of the language requirements for foreign students applying for courses where the language of instruction is Norwegian.
If applying for a course taught in Norwegian, or for general acceptance into an institution, applicants outside of the Nordic countries must meet one of the following requirements:
- Successfully passed 'Norwegian as a second language' from upper secondary school.
- Sucessfully passed Level 3 in Norwegian at a university.
- Successfully passed one-year study in Norwegian language and society for foreign students from a university college.
- Successfully passed test in Norwegian at higher level, 'Bergenstesten', with a minimum score of 450.
In certain cases, institutions may accept other types of documentation. Please contact the institutions directly for details.


Wanted: Effectively-Once Processing in Azure
This experimental post is a question. The question is too broad for StackOverflow, so I'm posting it here. Please engage in the comments section, or forward the link to subject experts.
TL;DR: Are there any known patterns / tools / frameworks to provide scalable, stateful, effectively-once, end-to-end processing of messages, to be hosted in Azure, preferably on PaaS-level of service?
Motivational Example
Let's say we are making a TODO app. There is a constant flow of requests to create a TODO in the system. Each request contains just two fields: a title and a project ID which TODO should belong to. Here is the definition:
type TodoRequest = {
 ProjectId: int
 Title: string
Now, we want to process the request and assign each TODO an identifier, which should be an auto-incremented integer. Numeration is unique per project, so each TODO must have its own combination of ProjectId and Id:
type Todo = {
 ProjectId: int
 Id: int
 Title: string
Now, instead of relying on some database sequences, I want to describe this transformation as a function. The function has the type (TodoRequest, int) -> (Todo, int), i.e. it transforms a tuple of a request and current per-project state (last generated ID) to a tuple of a TODO and post-processing state:
let create (request: TodoRequest, state: int) =
 let nextId = state + 1
 let todo = {
 ProjectId = request.ProjectId
 Id = nextId
 Title = request.Title
 todo, nextId
This is an extremely simple function, and I can use it to great success to process local, non-durable data.
But if I need to make a reliable distributed application out of it, I need to take care of lots of things:
 1. No request should be lost. I need to persist all the requests into a durable storage in case of processor crash.
 2. Similarly, I need to persist TODO's too. Presumably, some downstream logic will use the persisted data later on in TODO's lifecycle.
 3. The state (the counter) must be durable too. In case of crash of processing function, I want to be able to restart processing after recovery.
 4. Processing of the requests should be sequential per project ID. Otherwise I might get a clash of ID's in case two requests belonging to the same project are processed concurrently.
 5. I still want requests to different projects to be processed in parallel, to make sure the system scales up with the growth of project count.
 6. There must be no holes or duplicates in TODO numbering per project, even in face of system failures. In worst case, I agree to tolerate a duplicated entry in the output log, but it must be exactly the same entry (i.e. two entries with same project id, id and title).
 7. The system should tolerate a permanent failure of any single hardware dependency and automatically fail-over within reasonable time.
It's not feasible to meet all of those requirements without relying on some battle-tested distributed services or frameworks.
Which options do I know of?
Traditionally, this kind of requirements were solved by using transactions in something like SQL Server. If I store requests, TODO's and current ID per project in the same relational database, I can make each processing step a single atomic transaction.
This addresses all the concerns, as long as we can stay inside the single database. That's probably a viable option for the TODO app, but less of so if I convert my toy example to some real applications like IoT data processing.
Can we do the same for distributed systems at scale?
Azure Event Hubs
Since I touched IoT space, the logical choice would be to store our entries in Azure Event Hubs. That works for many criteria, but I don't see any available approach to make such processing consistent in the face of failures.
When processing is done, we need to store 3 pieces: generated TODO event, current processing offset and current ID. Event goes to another event hub, processing offset is stored in Blob Storage and ID can be saved to something like Table Storage.
But there's no way to store those 3 pieces atomically. Whichever order we choose, we are bound to get anomalies in some specific failure modes.
Azure Functions
Azure Functions don't solve those problems. But I want to mention this Function-as-a-Service offering because they provide an ideal programming model for my use case.
I need to take just one step from my domain function to Azure Function: to define bindings for e.g. Event Hubs and Table Storage.
However, reliability guarantees will stay poor. I won't get neither sequential processing per Event Hub partition key, nor atomic state commit.
Azure Service Fabric
Service Fabric sounds like a good candidate service for reliable processing. Unfortunately, I don't have much experience with it to judge.
Please leave a comment if you do.
JVM World
There are products in JVM world which claim to solve my problem perfectly.
Apache Kafka was the inspiration for Event Hubs log-based messaging. The recent Kafka release provides effectively-once processing semantics as long as data stay inside Kafka. Kafka does that with atomic publishing to multiple topics, and state storage based on compacted topics.
Apache Flink has similar guarantees for its stream processing APIs.
Great, but how do I get such awesomeness in.NET code, and without installing expensive ZooKeeper-managed clusters?
Call for Feedback
Do you know a solution, product or service?
Have you developed effectively-once processing on.NET / Azure stack?
Are you in touch with somebody who works on such framework?
Please leave a comment, or ping me on Twitter.
Cloud developer and researcher.
Software engineer at Pulumi. Microsoft Azure MVP.
comments powered by Disqus


text:
History of Regalia
The caps and gowns worn at Commencement connect contemporary graduates with scholarly tradition that dates back for as long as universities have existed. Clerics, ecclesiastics, and scholars wore hoods or caps and heavy gowns at European universities during the Middle Ages. Beginning in the middle of the fourteenth century, scholars wore an academic costume of "bunge and sand-colored habits."
In 1895, the Intercollegiate Bureau of Academic Costume was created in the US, and a standard code of academic dress for commencements was adopted. The academic dress consists of the existing cap and gown — the traditional bachelor's gown with long, open-pointed sleeves. To differentiate between undergraduate and graduate levels, the master's gown has its long sleeves hanging down from the elbows.


text:
One mill by definition equals1/1,000 of $1,or $1 of tax for every $1,000 of value. A property is typically subject to different mill rates from more than one jurisdiction,such as the county,state or local school district. Property taxes are based on a property's property total assessed value,including the land and improvements,or buildings.
People also ask
What is mill rate in real estate?
Mill rate is a tax rate攖he amount of tax payable per dollar of the assessed value of a property. Mill is derived from the Latin word millesimum, meaning thousandth. As used in property tax, 1 mill is equal to $1 in property tax levied per $1,000 of a property's assessed value.
How much is a mill in taxes?
As used in relation to property tax, 1 mill is equal to $1 in property tax, which is levied per $1,000 of a property's determined taxable value. You can find the millage rate for an individual property on the property deed itself or by calling your municipal tax office. Where Does the Mill Rate Come From?
What does millage mean in real estate?
Millage is a relatively obscure term that represents the tax rate levied on real estate or other property. A mill is one thousandth of a dollar, or one tenth of one cent. The millage rate is the number of dollars of tax assessed for each $1,000 of property value.
How do you calculate mill rate on property taxes in California?
Calculating Property Taxes Using the Mill Rate Property taxes are calculated by multiplying the assessed, taxable property value by the mill rate and then dividing that sum by 1,000. 1 锘?The calculation formula is rendered as follows: Property tax levied on property = (mill rate x taxable property value) 1,000


text:
Author(s): Salinas F, Nevado JJ, Mansilla AE
Abstract Share this page
Abstract A new spectrophotometric method for resolving binary mixtures is proposed. The method is based on use of the first derivative of the ratios of spectra. The absorption spectrum of the mixture is obtained and the amplitudes at appropriate wavelengths are divided by the corresponding amplitudes in the absorption spectrum of a standard solution of one of the components, and the first derivative of the ratio spectrum is obtained. The concentration of the other component is then determined from a calibration graph. The method has been applied for resolving binary mixtures of salicylic and salicyluric acids. Calibration graphs for 2.6-52 ppm salicylic acid and for 2.1-42 ppm salicyluric acid were established by measuring the analytical signals at the maximum at 241.5 nm (for salicylic acid) and from the peak at 258 nm to the trough at 247 nm (for salicyluric acid) in the first derivative ratio spectra.
This article was published in Talanta
and referenced in Pharmaceutica Analytica Acta


text:
In the 5 kg of blood of adult human after three 10° beers consumed shortly after another is 6.6 g of the alcohol. How much is it as per mille?
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Related math problems and questions:
After three 10° beers consumed in a short time, there is 5.6 g of alcohol in 6 kg adult human blood. How much is it per mille?
- Drunk man
Drunkman has 2.6‰ of alcohol in the blood. How many grams of alcohol has in blood, if he have 5 kg of blood?
- Drunk and alcohol
One drunk measured 2.7 ‰ alcohol in the blood, another 1.75 ‰. How many grams of alcohol in the blood they had if they has 6 kg of blood?
- Car crash
After a traffic accident, police measured 1.16 permille of alcohol in the driver's blood. What amount of alcohol did the driver have in the blood when about 5 kg of blood circulates in the human body?
- Permille of alcohol
I have 2 per mille of alcohol in my blood. How many milliliters is it when I have 5 liters of blood?
- Three examples per-mille
A. Calculate 1.5 ‰ from 4.5 liters of blood. Express the result in milliliters. B. Calculate three ‰ from € 50,000. C. The tray they brought breakfast to the landlord's bed is made of an alloy that contains 830 ‰ of silver. How much silver did they use on
In the human body, the blood is about 7.3% body weight. How many kilograms of blood are in the human body with weight 109 kg?
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How much should the price of 2.5 kg of beef change, which in December cost € 5.71 per 1 kg if VAT changed from 20% to 10%. how much will 2.5kg cost from January?
For horizontal distance 4.2 km road rise by 6.3 m. Calculate the road pitch in ‰ (permille, parts per thousand).
Calculate how many 25 kg bags of leveling concrete must be purchased if we leveling room 15 m2 to the "height" 6 mm if consumtion is 1.5 kg per square meter and millimeter thickness.
Wood contains 12% water. 1 m3 of wood weighs 650 kg. How many liters of water it contains?
- Mountain railway
Height difference between points A, B of railway line is 38.5 meters, their horizontal distance is 3.5 km. Determine average climb in permille up the track.
- Bronze medal
To produce 1 kg of bronze must be 0.95 kg copper, 0.04 kg of tin, 0.01 kg zinc. The bronze medal has a weight of 8.5 g. How much copper, tin and zinc does medal have?
- Barrel 3
Barrel with water weights 118 kg. When we get off 75% of water, it weights 35 kg. How many kg has an empty barrel?
Fresh mushrooms contain 94% water, dried 14%. How many kg of fresh mushrooms is needed to collect to get 10 kg dried?
- Barrel 2
Empty barrel weighs 7 kg. When it filled with water up to 45% height, weighs 60 kg. How heavy is barrel full of water?
- Basic form
Expressed the ratios of values in the basic form: 0,5 t : 1,2 kg 200 l : 0,15 m3 12 t : 3600 kg 500 kg : 2,5 t 0,9 kg : 500 g 3,6 m : 240 cm 1200 mm : 2,4 m 300 l : 0,3 m3 6 min 30 s : 900 s


text:
|Proceedings of URC* 2010|
Undergraduate Research in Computer Science - Theory and Applications. Student Conference
Maribel Fernandez and Kathleen Steinhofel, editors
The URC* 2010 conference took place at King's College London, 24-26 March 2010, in association with a Spring School on Information and Software Security. URC* 2010 brought together undergraduate students, postgraduate students and leading scientists, with the goal of promoting research in computer science and interdisciplinary topics amongst undergraduate students. By introducing students to new research results and techniques, it encouraged them to start conducting research already during their undergraduate studies. This volume contains selected papers presetned by students at URC* 2010 (Undergraduate Research in Computer Science - Theory and Applications). The papers cover a wide range of topics, including algorithm design (in particular; the design of heuristic algorithms for the maximum-leaf spanning tree problem, and the analysis of speed scaling algorithms), programming language design (in particular language based security, the use of effect systems for automating model extraction, and results on adaptation languages using visual environments) and applications to ray tracing optical phenomena and pattern matching in MIDI files.
14 December 2010


How to Stop Voice From Changing When Nervous
Nervousness can have a negative impact on how you speak
Image Credit: BakiBG/iStock/Getty Images
If you are nervous when you are speaking, that can cause a noticeable change in your voice tone. A shaky voice conveying nerves can be a big issue, whether you are making a public speech or having an important one-on-one conversation. Conveying nervousness in your voice tone or body language can reduce your chances of success in anything from a job interview to a date.
Step 1
Convey confidence when you speak. Rather than concentrating on not messing up, aim to project confidence and authority in your voice tone. This makes you seem more knowledgeable and lends more weight to the points you are making. Motivational speaker and communication specialist Rachel Green cites voice volume as a major factor in confident communication. Green says that confident communication is easy to hear, but quiet speech can convey nervousness.
Step 2
Put energy and effort into your diction and pronunciation when speaking. A common sign of nervousness is when your words fade away or sound mumbled at the end of a sentence. Common sounds that can waver when you are nervous include the sounds of the letters T, D and K. Practice repeating a phrase like "bake the cake," emphasizing clarity at the start and end of each word.
Step 3
Practice your speech. Tape record yourself giving the speech, them listen for for clarity in your voice and identify where certain words or letters convey nervousness. Continue to practice and to gain confidence as you improve.
Step 4
Use body language and posture to display confidence. According to the Montgomery County Public Schools in Maryland, research shows that when you communicate with others, words convey only 7 percent of your feelings, while body language conveys 55 percent. Slumped shoulders and slouched posture can convey nervousness when you are speaking. Practice speaking into a mirror or have a friend watch you speak, then note if you convey nervousness with any posture or twitching motions. Practice repeatedly, and gain confidence from improvements you see.
references & resources


text:
The Department of Education is committed to supporting all schools to undertake the required Nationally Consistent Collection of Data (NCCD) to ensure all students with disability are participating and engaged in learning and able to pursue life opportunities.
About the NCCD
All Australian schools are required to participate annually in the NCCD.
The national data collection reflects and supports the ongoing work of schools. The NCCD draws on teachers' professional judgement and practices throughout the year supporting students with disability to access and participate in education on the same basis as other students.
Under the NCCD model, teachers and school staff use their professional, informed judgement, based on evidence, to determine the level of adjustments students with disability receive, in both the classroom and whole school context, as well as the broad category of disability that relates to the adjustments.
The model for the NCCD is based on mandatory obligations to students under the national Disability Discrimination Act 1992 (DDA) and Disability Standards for Education 2005. Understanding these legal obligations and the NCCD model is essential knowledge for principals and teachers.
What's new in 2018
From 1 January 2018, the Nationally Consistent Collection of Data on schools students with disability (NCCD) will be used by the Australian Government to calculate the students with disability loading in recurrent funding for schools provided by the Commonwealth to states and territories. Therefore, the quality and reliability of information gathered under the NCCD is critical.
School principals are responsible for verifying the accuracy of their school's NCCD data and validating that there is evidence at the school to support the inclusion of a student in the NCCD. This is a key responsibility given that the NCCD data will be used to inform funding provided by the Australian Government to Tasmania and may be the subject of audits or compliance activities.
The NCCD collection happens annually and is due for completion in August each year.
Teachers use their professional judgement to determine:
- which of their students are being provided with a reasonable adjustment because of disability, as defined in the Disability Discrimination Act 1992 (the DDA) and the Disability Standards for Education 2005
- the level of adjustment that students with disability are being provided with, in both classroom and whole of school contexts
- the broad category of disability under which each student best fits.
The four levels of adjustments provided to students are:
- Support provided within quality differentiated teaching practice
- Supplementary adjustments
- Substantial adjustments
- Extensive adjustments
Evidence is required at the school to demonstrate that a student has been provided with an educational adjustment for a period of ten weeks or longer to meet specific needs associated with the disability and that the students' parents or carers have been consulted in relation to the nature of the educational adjustment.
Schools must complete this information in the Student Support System (SSS) in August every year, which must be approved by the school principal.
Each year in August, principals will verify data about students in their school receiving adjustments because of disability, based on evidences in the school.
Email communications will be sent to each school principal prior to the data collection period to remind them of the process and timeframes for recording the NCCD.
Frequently Asked Questions
- If students are transitioning from Year 6 to Year 7 which school undertakes the NCCD work? The Year 6 school collects the data.
- If students are transitioning from Year 10 to Year 11 which school undertakes the NCCD work? The Year 10 school collects the data.
- Who undertakes the process if the student is enrolled in two different schools? Only the school where the student spends the most days each week.
- Does the collection include Kindergarten students? No. Only students in Prep to Year 12.
Further information is available at Nationally Consistent Collection of Data (NCCD).
For further information or advice in relation to the NCCD, contact Disability Services, via email at: _EMAIL_


text: The design of a hybrid circuit frequency compensation module for use with various infrared instrumentation systems is discussed. The design objective is to achieve essentially the same preamplifier response over a given range of frequencies both at high-level output and at low-level output, when operating at the same temperature as a cryogenic sensor (detector). The design procedure requires that the temperature and/or voltage variation of resistor values used in the module be either (a) measured directly or (b) extracted from comparison of measured and computer-generated frequency response curves. It is found that a computer-aided design procedure using iterative analysis with an ac network analysis program results in reduced design and development time. Also, this procedure leads to a better understanding of problems associated with cryogenic sensor-amplifier interfaces.


Generating a workflow execution Process - 6.1
Talend Data Fabric Studio User Guide
EnrichVersion
6.1
EnrichProdName
Talend Data Fabric
task
Data Governance
Data Quality and Preparation
Design and Development
EnrichPlatform
Talend Studio
Talend Studio enables you to automatically generate Processes based on the workflows listed under the Workflow node in the MDM Repository tree view.
Once this Process is generated, you can attach it to a Trigger. When the Trigger is kicked off, it launches the Process that will initiate the workflow itself. This will list any required intervention on data records in the Web User Interface in the form of workflow tasks.
For more information on creating and managing Triggers, see Triggers. For more information on workflow tasks, see Talend MDM Web User Interface User Guide.
Prerequisite(s): You have already connected to the MDM server from Talend Studio. At least one workflow has been created and deployed on the MDM server.
To generate a Process based on a workflow:
 1. In the MDM Repository tree view, expand the Workflow node.
 2. Right-click the workflow for which you want to generate a Process and select Generate Workflow Caller Process.
 A dialog box is displayed.
 3. From the Data Models list, select the data model to which you want to attach the workflow.
 4. Select a business entity from the list, Product in this example.
 The name of the selected business entity is displayed in the Xpath field.
 5. Click Add to close the dialog box.
 The generated Process is listed under the Process node in the MDM Repository tree view.
 Note
 You must deploy your changes to the server for them to be taken into account at runtime.
 6. Double-click the generated Process to open an editor in the workspace that lists the Process parameters.
 One step is automatically defined and listed in the process Steps Sequence area. The step passes the item to the workflow engine using the workflowcontexttrigger plugin. For further information on Processes, see Processes.
 7. Select the Invoke the workflow step to display the step detail and parameters.
The Parameters area gives you access to two different views Source and Sheet. The Source view lists the detail of the automatically generated XML document with all the variables used in the workflow. This document is used to map the MDM attributes values and xpaths to the workflow variables.
Note
Here, you can modify any of the parameters/variables according to your needs and according to what you have defined in the workflow.
The Sheet view displays a tabular list of all the variables used in the workflow. You can use the and buttons below the table to modify these values.
Note
The Use built-in variables check box is selected by default. If your workflow does not need to connect to the MDM server, you can clear this check box.
From this view, it is also possible to invoke any of the workflows deployed on your MDM server. To do this, do the following:
 1. Click the Select workflows... bar to display a list of all the workflows already deployed on your MDM server.
 2. Select the workflow you want to invoke and then click OK to close the dialog box.
 The name of the selected workflow displays in the ID field of the Parameters area.
 3. In the Variables area, use the and buttons below the table to modify the variable names and xpath values according to the workflow you selected.
 4. Save your modifications.
What you must do now is to define a trigger in order to call this process. When the Trigger is kicked off, it will launches the Process that will initiate the workflow itself. This will list any required intervention on data records in the Web User Interface in the form of workflow tasks. For further information, see Triggers.


text:
IZA DP No. 11076: Income Increase and Moving to a Better Neighbourhood: An Enquiry into Ethnic Differences in Finland
Concentration to disadvantaged neighbourhoods may hinder immigrants' opportunities for social integration, so equal chances of translating available economic resources into mobility to less disadvantaged neighbourhoods are important. This paper adds to existing research on exits from poor neighbourhoods by focusing on the effects of income increase on residential mobility. We analyse intra-urban residential mobility from low-income neighbourhoods into non-low-income neighbourhoods among immigrants and native-born residents in three urban regions in Finland. We use longitudinal register data for the 2004–2014 period for the full Finnish population, allowing a dynamic analysis of changes in income and neighbourhood of residence. Based on multinomial logit modelling of migration outcomes, we found that an increase in income is associated with moving both to low-income and non-low-income areas even when controlling for initial income level. Upward income mobility was connected to exit from low-income areas in a quite similar way among immigrants and native-born Finns. The findings suggest that policies e.g. improving the labour market opportunities of immigrants are effective in reduction of residential segregation. However, we were not able to completely explain the differences between native-born Finns and immigrants in moving patterns. The differences between the cities were opposite for immigrants and native-born Finns, corresponding to differences in immigration history and levels of ethnic segregation. Therefore, the local context matters for spatial integration outcomes.


Create a Hub
A Model Object of type Hub can be created in the Silver Layer.
What is a Hub
In Data Vault modeling, a Hub represents a structural object. A Hub should have a set of business keys to identify a unique data entry.
Creation steps
There are two possibilities to create a Hub Model Object:
 Properties
 A Hub Model Object can be configured through the following Properties
 Default Terms
 A Hub Model Object will include the following Default Terms:


How to Eat Mochi
Japan has a wide range of exotic foods that foreign visitors are sure to enjoy. Mochi is certainly a popular treat.
Mochi, also known as rice cakes, are something of a delicacy in Japan. Mochi can also be eaten in a range of different ways depending on the context - it can be eaten in ceremonies and functions, such as in New Year ceremonies.
But how exactly do you eat mochi?
Safety Precautions
Before we go on with the different types of mochi, let's just make one quick note - take little bites and make sure that you chew the mochi thoroughly before you swallow.
If you don't follow this advice, it can sometimes result in the mochi getting stuck in your throat as it is quite sticky.
As a Dessert
Mochi is most commonly eaten as a dessert, and boy are there a lot of desserts!
First of all is Daifuku. This translates to 'big' (Dai) and 'luck' (Fuku). This is a little round mochi, and inside of it is a filling that's usually sweet. Azuki red bean paste is just one example of a filling.
Kinako Mochi is also pretty intriguing. This is made out of mochi and roasted soy flour. It's a sweet treat with a delectable texture that you're sure to enjoy.
You can also get something called Ichigo Daifuku. Ichigo translates to 'strawberry.' As the name suggests, it's pretty similar to daifuku but the strawberry part is the important thing to remember. It tastes very sweet and yet is rather chewy thanks to the mochi part.
Mochi ice cream is also pretty popular. It's a little ball of mochi and it has a filling inside. That's right, ice cream! This is any sugar lover's dream. Before eating, allow the mochi ice cream to warm up for a couple of minutes so the dough can return to normal before you eat. This will make it much easier to bite. You can even add mochi ice cream to other desserts and dishes such as espresso or ice cream sandwiches.
In a Dish
Mochi is most commonly known for its function in various desserts, but did you know that it can also be used in various dishes?
For instance, it is sometimes used in Zoni. This is a soup that is traditionally eaten on New Year's Day.
So the next time that you are interested in some Japanese cuisine, you should certainly try mochi! This delicious food is truly something to enjoy when you visit Japan.
We hope you like it!


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What is the source for the custom that Yemenite Jews people count Sefira in Aramaic? and why do they do it?
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2 Answers 2
up vote 11 down vote accepted
Otzar Ta'amei Haminhagim (cf.) explains that it is a remnant of a time when the spoken language was Aramaic. Since the primary purpose of s'fira is the keeping track of days it is preferable to count in a language that enables the counter to keep track - i.e. a language the counter understands.
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Which leaves the question why we do not – SimchasTorah Apr 29 '11 at 2:54
_USER_ - Because the spoken language for (most of) us is not Aramaic. I have a friend (who is neither a Yemenite nor is Aramaic his mother tongue) who counts Sefirah in English. – Adam Mosheh Jun 10 '12 at 21:36
_USER_ My rule has always been, if you have to read the night's count inside because you can't in your head smoothly figure out what to say in Hebrew, you should just be counting in English. – Double AA Mar 6 '13 at 6:59
They preserve the Babylonian custom, where the native tongue of most people was Aramaic. The earliest attestation of saying the sefira in Aramaic of which I am aware is in the siddur of R. Saadia Gaon (see here, bottom of the page).
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text:
This jigsaw activity pack is an entertaining way to introduce music to children and to further observational skills. The Wheels On The Bus jigsaw activity pack is designed for kids aged 3-6 years and contains a sing-along CD with 12 action songs.
Included in the pack:
- Large 1000mm x 200mm floor jigsaw puzzle with large pieces, suitable for young children
- Sing-along CD with The Wheels On The Bus and 11 more kids' action songs.
- 24 peel-able activity stickers
- Sing-along song sheet with colourable jigsaw image and further activity ideas
- Bonus audio story on CD, The Ostrich and the Hedgehog Race


text:
Fabiola Gianotti, Director General of CERN, together with John Elkann, CEO of Exor, and other jury members, awarded the winners of the 2023 edition of Innovation 4 Change, an educational programme developed by the Collège des Ingénieurs (CDI) & CERN's innovation space, IdeaSquare.
I4C is a laboratory for the future that aims to train purpose-driven, deep-tech innovators by challenging talented students to solve global problems identified by industry. Fifty future leaders from MBA and Ph.D. programmes met with 50 European industry and institutional leaders to explore future opportunities, technologies, and value chains that can help create a sustainable future. The three finalists selected by the jury for the I4C Expo were:
Insetech (Challenge Biocentis) - the Navigation Tool of Pest Prediction - a holistic and networked AI-based pest prediction system coupled with targeted pest control monitoring.
e-Chlora (Grimaldi Group Challenge) - a simple, transparent, and scalable solution for effective CO2 capture and climate change mitigation.
SoilSoul (Rai Way Challenge) - an autonomous robot that uses edge computing to continuously analyse soil parameters in agricultural fields, improving sustainable farming practices.
Fabiola Gianotti, Director General of CERN, commented: "Educating the next generation of scientists and innovators is part of CERN's mission. We are pleased to support the development of young minds committed to making a difference in society."
John Elkann, CEO of Exor, said: "Innovation 4 Change and CERN bring together young European talent and challenge them to tackle the most critical issues facing our world: we are proud to support this programme aimed at building a better world and we are committed to expanding the scope of its activities in the future."
The programme included a visit by the jury to the project stands, a fireside chat between Dr. Fabiola Gianotti, Mr. John Elkann, and Dr. Amelie Schoenenwald (ESA Astronaut Reserve Group) on intergenerational cooperation as a key leadership tool, and two panels. The first panel, chaired by Mr. Edward Glanville of Economist Impact, part of The Economist Group (Senior Programme Editor and Head of Sustainability Events Programming), discussed the potential of public-private partnerships. The second panel, chaired by Catherine Howe of Economist Impact, part of The Economist Group (Head of Content & Programmes), focused on decarbonisation strategies and projects to accelerate the energy transition. Participants heard from a panel of speakers on different perspectives on the future of energy.


text:
Join the Directory
To join the Alumni Email Directory, you will need to:
- Read and agree to certain policies.
- Complete an information form.
- Allow minimum 2 working days for verification. You will then receive
an email acknowledging your access.
Please read these policies.
- This email directory is for Waldorf alumni only.
- This email directory is for the sole purpose of connecting classmates
- To have access to the email directory, you must have your email address
- This email directory cannot be used for mass email distribution.
For example, it cannot be used for business purposes, selling items,
or personal promotion of ideas or beliefs.
- Each alum is responsible for maintaining their correct email address.
Waldorf reserves the rights to occasionally send out a mass email to
the entire directory for the purpose of determining if any of the email
addresses are outdated.
- If your email address becomes outdated and Waldorf is not notified,
your access to the email directory will be terminated.
- You cannot copy this email directory to sell or give to another person,
business, institution or organization.
- Please allow two working days to respond to password requests or complaints.
Note: You must be using a "cookie
enabled" browser to access the directory. If you have disabled cookie
use in your browser, you must enable it before logging in. -more


gliding range
gliding distance
The maximum horizontal distance that can be reached from a given height in a normal glide. Also called a gliding range. The maximum gliding distance can be achieved only by flying at the best gliding speed and in tailwind conditions.
Mentioned in ?
References in periodicals archive ?
First, they cannot soar when vertical airspeeds within thermals fail to reach a critical threshold value, and second, they cannot glide efficiently when inter-thermal distances exceed their maximum gliding range (Kerlinger 1989).


_USER_ {13591, title = {Logo Retrieval in Document Images}, booktitle = {Document Analysis Systems}, year = {2012}, month = {2012///}, abstract = {This paper presents a scalable algorithm for segmentation free logo retrieval in document images. The contributions of this paper include the use of the SURF feature for logo retrieval, a novel indexing algorithm for efficient retrieval of SURF features and a method to filter results using the orientation of local features and geometric constraints. Results demonstrate that logo retrieval can be performed with high accurately and efficiently scaled to a large datasets.}, author = {Jain,Rajiv and David Doermann} }


text:
Definition of pabulum :
The means of nutriment to animals or plants; food; nourishment; hence, that which feeds or sustains, as fuel for a fire; that upon which the mind or soul is nourished; as, intellectual pabulum.
victual, chow, aliment, eats, eatable, pap, provender, nutriment, diet, regimen, victuals, provisions, viands, comestible, meat, grub, sustenance, food, care for, provision, nutrition, alimentation, nurture, commissariat, feed, fare, ingestion, edible, foodstuff, nourishment, forage, bread, fodder, esculent
- Hence it is demonstrated that a large number of the spores of fungi are constantly present in the atmosphere, which is confirmed by the fact that whenever a suitable pabulum is exposed it is taken possession of by floating spores, and soon converted into a forest of fungoid vegetation. - "Fungi: Their Nature and Uses", Mordecai Cubitt Cooke.
- From the above it will be concluded that the habitats of fungi are exceedingly variable, that they may be regarded as almost universal wherever decaying vegetable matter is found, and that under some conditions animal substances, especially of vegetable feeders, such as insects, furnish a pabulum for their development. - "Fungi: Their Nature and Uses", Mordecai Cubitt Cooke.
- In doing this, the influence he had established over the eastern members, with the agency of Robert Morris with those of the middle States, effected his side of the engagement; and so the Assumption was passed, and twenty millions of stock divided among favored States, and thrown in as a pabulum to the stockjobbing herd. - "Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson", Thomas Jefferson.


text:
A seasonal decomposition of the estimated size of a penguin population at Phillip Island, Australia
Modern non-parametric methods allow the estimation of a population size under weaker conditions than the classical methods if there are frequent capture occasions. Here a non-parametric estimate of the number of penguins occupying Summerland Beach, Phillip Island, Australia, was computed. This estimator did not assume equal catchability of individuals, did not assume a parametric form for the population size as a function of time and allowed individuals to leave and re-enter the population. The...[Show more]
|Collections||ANU Research Publications|
|Source:||Australian Journal of Zoology|
Items in Open Research are protected by copyright, with all rights reserved, unless otherwise indicated.


256 )
$comment = htmlentities ( trim ( $_POST[ 'comment' ] ) , ENT_NOQUOTES );
Here, we check if the length of $_POST[ 'comment' ] is shorter than or equal to 256. If it is, then we assign it to the variable. Another option to check that the string length is enough to be a comment is something like this:
if ( strlen( $_POST[ 'comment'] ) >= 1 && strlen( $_POST[ 'comment' ] ) <= 256 )
$comment = htmlentities ( trim ( $_POST[ 'comment' ] ) , ENT_NOQUOTES );
This checks to make sure the length of the comment is more than one character.
Is the Format Correct From the User?
Making sure the format is correct is important to verify that the information can be used correctly later, but also for error control on your site. (Unclear) In this post, we'll use the PHP function preg_match() with regular expressions to accomplish this.
Before I get into actual commands that we'll use, I wanted to mention that I won't go into explaining regular expressions in this post. If you'd like to learn about it, there are tutorials online. For this post, we'll be grabbing our regular expressions from _URL_, which has quite a few regular expressions that you can use.
The preg_match() function searches a variable for a regular expression pattern to see If it matches. For example, let's check if our email address is a valid email address:
if ( preg_match( '/^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/', $_POST[ 'email' ] ) )
$emailAddress = trim( $_POST[ 'email' ] );
This takes a regular expression, which in this case is '^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$', and checks the $_POST[ 'email' ] to verify that it matches that pattern. According to the regexlib.com site, it will match the following formats:
_EMAIL_ | _EMAIL_ | _EMAIL_
If the user does not use one of the above formats, then it will return false, and the $emailAddress variable will not get assigned the email address. The preg_match() makes it possible to check the format of any variable, as long as the regular expression is correct. To use it, you can do like above:
if ( preg_match( '/<ENTER EXPRESSION HERE>/', <INSERT VARIABLE HERE> ) )
When using it this way, make sure to add the forward slashes to the front and back of the regular expression as shown above.
Regular expressions are quite powerful and can be used to test a lot of different patterns. You can test everything from phone numbers to the character types. Take a look at _URL_ for more patterns that you can use.
Sanitizing Your Data: A Little More Information
Sanitizing data is another essential element of PHP security. In our last section, <LINK>Validating User Input and Some Sanitization<LINK to Post 1>, we did some sanitization as part of cleaning. We validated our data by checking if it matched the data that we wanted. Here are two more tips to help protect your site from the bad guys.
MySQL Injection
What's MySQL Injection? Basically, it's when bad guys try to manipulate your site to add SQL into your SQL command to get more information, modify, or delete data in your database. Here's an example of a simple SQL injection:
$userID = $_POST[ 'user_id' ]; // This is a value of "' OR 1′";
$query = "SELECT * FROM users WHERE user_id = '$userID'";
//output: SELECT * FROM users WHERE user_id = " OR 1"
This example shows a script that has not been secured, so the creator of the script input the $_POST[ 'user_id' ] right into the SQL for the site. Some bad guy came along and decided to change the value in the hidden form from a number to 'OR 1'. Now, if this was used to query for one user, it would actually pull all the users from the table because when you change the script to WHERE user_id = '' OR 1, it will pull all the rows from the table.
Wow, so how do we stop this trickery?Luckily, this is a beginner's guide, so we have the perfect beginner's method for you!
PHP has a function called mysql_real_escape_string() that helps prevent injection. Before you use this function, you should still validate all the data and sanitize it, to make sure it's clean. Let's say we validated all the data for our comment form, and now we want to add it to the database. But let's also say I'm a bad guy and try to inject some secret stuff into your site maliciously. So, I actually put the page_ID as ' OR 1' as we talked about earlier and you forgot to sanitize the page_ID. T(I know you wouldn't really forget to do that J)
Since we used our mysql_real_escape_string() function, we prevented the injection. Here's an example:
$pageID = mysql_real_escape_string( $_POST[ 'page_ID' ] ); // This is a value of "' OR 1′";
$query = "SELECT * FROM pages WHERE page_id = '$pageID'";
//output: SELECT * FROM pages WHERE page_id = '\' OR 1 \"
As you can see from the output of this, the ' Or 1 ' actually became \' OR 1 \', which prevented the modification of the WHERE, which stopped extra data from coming out. Again, this is a first step to stopping injection and I suggest reading more about preventing this. PHP has other methods of accessing a database.
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Just a Bit of Cross-Site Injection
Since we went over so much already, I wanted to write an extra bit on Cross-Site injection. It's when the bad guys inject data into your site, which will later be sent to the client-side, to maliciously get data from users, modify your site in a way to change data, or delete data. Cross-Site injection is a huge security vulnerability. So, how can you help to prevent this from happening?
Well, first you can use that trusty htmlentities() function that we used earlier. Using this ensures that any data that you echo out will be safer so pesky hackers won't be able to inject into your site. For example, let's say that a user visits your site, comments on your page, and adds the following as their code:
<iframe src="_URL_ height=0 width=0 />
If we did nothing to protect our site, and this was displayed on the page every time someone viewed it, they could collect data, show information on your site, and so forth. But, if we use our htmlentities() function, we can prevent this:
echo htmlentities ( trim ( $comment ) , ENT_NOQUOTES );
//Output: <iframe src="_URL_ height=0 width=0 />
As you can see by the output, this might display as text, but it won't actually open the bad-dude-hacker-mafia.com site and no havoc has been caused.
Yoda for the Road
Okay! Now you've learned how to protect your PHP site using validation, sanitization, MySQL injection prevention, and some Cross-Site injection skills. Remember, this is only the beginning. There's lots of information online to help protect your site, and the more you know, the safer you are.
Pass on what you have learned, Luke. There is… another… Sky… walker.
Yeah, Yoda's pretty wise.
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Registration + Login + Email-id verification Scenario in C#
By Abhimanyu K Vatsa on May 07, 2011
In this article you will learn how to develop Registration, Login and Account Activation (sending Email ID verification) using C#.
Introduction
Normally as a user we navigate to a website, register ourself and verify the account to enjoy the service provided by them. To develop such an application we need a special scenario. There are many ways to perform the activation.
Send the SMS containing random code to cell phone and ask that code for verification
Send email having URL to verify
Send email having random code to verify
In this article, we will learn the (2) method. In the future, I'll post on all.
Look at the following file hierarchy and develop the same by following the steps given below.
Untitled1.jpg
Untitled.jpg
Follow the steps for development:
Step 1
Untitled1.jpg
Develop the database, look at the screenshot:
Untitled.jpg
Remember to mark the "id" field as auto-number and the default value for verified column to "NO".
Step 2
Create the connection string in config file as follows:
<connectionStrings>
<add name="ConnectionString1" connectionString="Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Database.mdf;Integrated Security=True;User Instance=True"
providerName="System.Data.SqlClient" />
</connectionStrings>
Step 3
Configure the secure location path that will be accessed when the user is fully authorized.
<location path="secure">
<system.web>
<authorization>
<deny users="?"/>
</authorization>
</system.web>
</location>
Step 4
Create the ~/login/Register.aspx form using C# code-behind and write the following code.
Register.aspx Code
<form id="form1" runat="server">

<asp:Label ID="Label1" runat="server" Visible="False" ForeColor="Red" Font-Bold="True"></asp:Label>

Full Name:

<asp:TextBox ID="fullname" runat="server" Width="200px" MaxLength="50"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ErrorMessage="Full Name can't be empty." ControlToValidate="fullname" ForeColor="Red">*</asp:RequiredFieldValidator>

Email ID:

<asp:TextBox ID="emailid" runat="server" Width="200px" MaxLength="80"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
ErrorMessage="Email ID can't be empty." ControlToValidate="emailid" ForeColor="Red">*</asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
ErrorMessage="Invalid Email ID." ControlToValidate="emailid" ForeColor="Red"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*">*</asp:RegularExpressionValidator>

Username:

<asp:TextBox ID="username" runat="server" Width="200px" MaxLength="20"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ErrorMessage="Username can't be empty." ControlToValidate="username" ForeColor="Red">*</asp:RequiredFieldValidator>

Password:

<asp:TextBox ID="password" runat="server" TextMode="Password" Width="200px" MaxLength="20"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server"
ErrorMessage="Password can't be empty." ControlToValidate="password"
ForeColor="Red">*</asp:RequiredFieldValidator>

Re-Type Password:

<asp:TextBox ID="repassword" runat="server" TextMode="Password" Width="200px" MaxLength="20"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server"
ErrorMessage="Password can't be empty." ControlToValidate="password"
ForeColor="Red">*</asp:RequiredFieldValidator>

<asp:Button ID="submit" runat="server" Text="Submit" onclick="submit_Click" />

<asp:ValidationSummary ID="ValidationSummary1" runat="server" ForeColor="Red"/>

<asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl="~/login/login.aspx">I have already an account !</asp:HyperLink>

</form>
Register.aspx.cs Code
protected void Page_Load(object sender, EventArgs e)
{
}
protected void submit_Click(object sender, EventArgs e)
{
SqlDataSource sds = new SqlDataSource();
sds.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString1"].ToString();
sds.SelectParameters.Add("username", TypeCode.String, this.username.Text);
sds.SelectCommand = "SELECT * FROM [users] WHERE [username] = @username";
DataView dv = (DataView)sds.Select(DataSourceSelectArguments.Empty);
try
{
if (dv.Count == 0)
{
SqlDataSource emailcheck = new SqlDataSource();
emailcheck.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString1"].ToString();
emailcheck.SelectParameters.Add("emailid", TypeCode.String, this.emailid.Text);
emailcheck.SelectCommand = "SELECT * FROM [users] WHERE [emailid] = @emailid";
DataView emailcheckdv = (DataView)emailcheck.Select(DataSourceSelectArguments.Empty);
try
{
if (emailcheckdv.Count == 0)
{
if (password.Text == repassword.Text)
{
execution(fullname.Text, emailid.Text, username.Text, password.Text);
}
else
{
Label1.Visible = true;
Label1.Text = "Form not completed or password not matched.";
}
}
else
{
Label1.Visible = true;
Label1.Text = "Email ID already Registered.";
}
}
catch


text:
I collect data from a battery powered light sensor.
To maximize battery life, the device only sends data when there is a change in the light level instead of on a regular schedule. If the light level is constant, for example during the middle of a cloudy day, then it may not send any data for an hour or more.
If I have a plot that is only looking at the last 30 minutes then sometimes Grafana shows nothing because no data has been received in that 30 minute window, whereas in reality the current light level can be inferred by looking at the last reported value, even if that value was received hours ago.
Does Grafana have a way of displaying the current inferred value using the last known value even if it's outside the current window?
As far as I can tell the only alternative is to write a program that sits in between the sensor and Grafana that remembers the last received value and periodically generates fake data points. This wastes storage space and makes Grafana slower.


text: MultiTail lets you view one or multiple files like the original tail program. The difference is that it creates multiple windows on your console (with ncurses). It can also monitor wildcards: if another file matching the wildcard has a more recent modification date, it will automatically switch to that file. That way you can, for example, monitor a complete directory of files. Merging of 2 or even more logfiles is possible. It can also use colors while displaying the logfiles (through regular expressions), for faster recognition of what is important and what not. It can also filter lines (again with regular expressions). It has interactive menus for editing given regular expressions and deleting and adding windows. One can also have windows with the output of shell scripts and other software. When viewing the output of external software, MultiTail can mimic the functionality of tools like 'watch' and such.


text:
KWIKSCAN BIBLE BENEFITS
- The KWIKSCAN BIBLE provides background information such as authorship, date, theme and an outline of each book of the Bible.
- The KWIKSCAN BIBLE bolds the significant words of each verse for efficient reading.
- University of Central Florida research shows that:
1. READING TIME IS REDUCED 65%!!
2. RETENTION IS INCREASED 34.8%!!
3. IN JUST A FEW MINUTES PER DAY, YOU CAN READ THE ENTIRE BIBLE EACH YEAR.
- The KWIKSCAN BIBLE is offered as a Victory Christian Center 25th Anniversary Special Edition with 18 pages of Victory's history and future plans, complete with a significant photographic montage.


p-adic Functions - Maple Programming Help
Online Help
All Products Maple MapleSim
Home : Support : Online Help : Mathematics : Group Theory : Numbers : P-adic : padic/functions
p-adic Functions

Calling Sequence
Parameters
Description
Examples
Calling Sequence
sinp(ex, p, s) or evalp(sin(ex, p, s))
sinp(ex, p) or evalp(sin(ex, p))
sinp(ex)
...
Parameters
ex
-
expression of rational numbers and p-adic numbers
p
-
prime number or positive integer
s
-
positive integer
Description
-
The following functions evaluate the p-adic version of the corresponding real-valued function (obtained by dropping the final p from the name).
sinp
cosp
tanp
cscp
secp
cotp
sinhp
coshp
tanhp
cschp
sechp
cothp
arcsinp
arccosp
arctanp
arccscp
arcsecp
arccotp
arcsinhp
arccoshp
arctanhp
arccschp
arcsechp
arccothp
expp
logp
sqrtp

-
sinp is a short form for evalp@sin, and similarly for each of the other functions above.
-
The parameter s sets the size of the resulting expression, where "size" means the number of terms of the p-adic number which will be printed. If omitted, it defaults to the value of the global variable Digitsp, which is initially assigned the value 10.
-
The expression ex can contain any of the operations +, -, *, /, ^, and any of the functions defined in the padic package.
-
If the second and third arguments are omitted, then the expression ex must be a p-adic number.
-
If the result of the computation is not convergent in the p-adic field, then the routine returns FAIL.
-
See padic[evalp] for an explanation of the representation of p-adic numbers in Maple.
-
These functions are part of the padic package, and so can only be used after performing the command with(padic) or with(padic,<function-name>).
Examples
withpadic:
cosp3,3
1+32+234+36+237+38+O39
(1)
cosp3+,3
FAIL
(2)
cos3
cos3
(3)
evalf
0._PHONE_
(4)
evalp,3
1+32+234+36+237+38+O39
(5)
Digitsp8
Digitsp8
(6)
evalpⅇ3,3
1+3+32+233+234+36
(7)
logp
3+O38
(8)
arctanhpx,p,10
padic:-arctanhpx,p,10
(9)
evalsubsx=6,p=3,
23+232+233+35+37+38+O310
(10)
op
p_adic3,1,2,2,2,0,1,0,1,1,0,1
(11)
evalp
23+232+233+35+37+38+O310
(12)
See Also
padic
padic[evalp]
padic[valuep]


text: The basic requirement for the successful deployment of a mobile augmented reality application is a reliable tracking system with high accuracy. Recently, a helmet-based inside-out tracking system which meets this demand has been proposed for self-localization in buildings. To realize an augmented reality application based on this tracking system, a display has to be added for visualization purposes. Therefore, the relative pose of this visualization platform with respect to the helmet has to be tracked. In the case of hand-held visualization platforms like smartphones or tablets, this can be achieved by means of image-based tracking methods like marker-based or model-based tracking. In this paper, we present two marker-based methods for tracking the relative pose between the helmet-based tracking system and a tablet-based visualization system. Both methods were implemented and comparatively evaluated in terms of tracking accuracy. Our results show that mobile inside-out tracking systems without integrated displays can easily be supplemented with a hand-held tablet as visualization device for augmented reality purposes.


5 Replies Latest reply on Jul 22, 2016 8:58 AM by David Li
 Difference Between Two Lines
 Barry Sheldon
 Greetings,

 I have a table with multiple columns. I would like to use a calulated field to graph the difference between two columns which the user selects.

 I have created two paramater controls which have a list of the column headings. I would like to click in these areas and have the chart update to show the different between these two columns.

 Any idea how to do this?

 Thanks!
 - 1. Re: Difference Between Two Lines
 David Li
 Hi Barry, you'll need to create switches using CASE WHEN to pick the measures and then net them against each other. For instance, something like

 CASE [Parameter 1]
 WHEN "Yo" then [Yo]
 WHEN "Goo" then [Goo]
 ...
 END -
 CASE [Parameter 1]
 WHEN "Yo" then [Yo]
 WHEN "Goo" then [Goo]
 ...
 END

 Notice the minus sign after the first "END", which is what does the difference calc.
 1 of 1 people found this helpful
 - 2. Re: Difference Between Two Lines
 Barry Sheldon
 Thanks for the quick reply - I have 118 columns - does this mean I'll need to do 118 different cases?
 - 3. Re: Difference Between Two Lines
 David Li
 Unfortunately, if you want to use parameters, then yes, you'll have to do 118 different cases until Tableau puts in something like Excel's INDIRECT() function. You can save yourself some time by building the pieces in Excel. Just put in all your column names in one column in Excel (with quotations around them), then put "WHEN" in the column to the left, "THEN" in the column to the right, and all your column names to the right of that (surrounded by square brackets). Then, you can copy that into Tableau and make final adjustments.

 Now, one thing you could potentially do as long as you don't mind reshaping your data is to do a forced unpivot of the data so that you can separate out the measures using a dimension. I'm not 100% sure this will work, but it might be worth a try if you don't want to do what I mentioned above. You can try to reshape the data so that you only have ONE value column. The measures will be differentiated by a new field named "Measure" or something, so that each row of original data will become 118 rows of reshaped data. Then, you can drop that into a sheet, use the Difference table calculation, and use a filter on the new Measure dimension to select them.
 1 of 1 people found this helpful
 - 4. Re: Difference Between Two Lines
 Barry Sheldon
 Ah, okay - thank you for the information!
 - 5. Re: Difference Between Two Lines
 David Li
 You're welcome, Barry!


text:
TradeLog allows a user to hold long-term positions open and close them in the future while actively trading the same security. See: Holding Long-Term Open Positions
Once the long-term holding is closed, the closing trade will have to be manually matched with the open long-term position.
To match closing trade records with the long-term holding if the closing position was imported:
1. Select the closing trade records that need to be force matched with the holding. See Selecting Multiple Trades.
2. Click Edit, Edit Record(s). See Editing a Trade
3. Use your TAB key to move the cursor to the Matched column. See: Display Matched Tax Lots
4. Enter the SAME lot number as the holding.
5. Hit your ENTER key TWICE to save.


Skip to main content
Refitting track rods and ball joints
Use the nut to pull the tapered stud home.
Remove protective grease or other material from new parts. Compare them with the old ones to find which is left and which is right. Trying to screw on the wrong joint would damage both joint and rod.
To refit a ball joint to a track rod, grease the thread and screw the joint into place, giving it exactly the same number of turns as when the old joint was removed. Or screw it up to a mark you made earlier.
Do not tighten the locknut yet. Make sure the ball-joint stud is pointing straight up (or down, as appropriate) when in the middle of its travel, as the joint is flexed.
If not, twist the whole joint on the rod to bring the stud into line. Push the stud carefully through the bore in the steering arm.
If the stud revolves as you tighten the nut, jam it with a lever. Use a torque wrench later, for final tightening.
Fit the washer and locking nut to the stud, and tighten the nut to pull the tapered stud into the bore.
If a self-locking nut was used, replace it with a new one: a self-locking nut should not be used twice.
If the threads are stiff, the nut may make the stud turn so that it does not screw up.
Hold the stud by levering against the other side of the joint with a bar resting on the inside wheel rim.
Finish tightening the nut with a torque wrench set to the correct loading. If you cannot obtain the correct setting from a service manual or your local dealer, 25 lb ft (3.5 kg m) is about right.
If a castellated locknut is used, tighten it more, not less, to align one of its cut-outs with the hole for the split pin. Always use a new split pin. Insert it, prise it apart with a small screwdriver and bend the two halves opposite ways around the nut.
Hold the joint firmly while tightening the locknut.
Tighten a ball-joint locknut while you hold the ball joint firmly with a spanner or self-locking grips to stop it from turning. Otherwise the joint will be damaged.
Check that the toe-in or toe-out of the wheels is correct (See Adjusting toe alignment on wheels ). The setting is usually given in the car handbook. This check should be done by a garage if you do not have the equipment for it.
Engine Block 18 minutes
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 - Every part explained
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 - All modeled in 3D
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15 hours of pro-quality, HD content with subtitles


text:
A Social Security card is a fundamental document for every American citizen, serving as a primary form of identification. In instances where a Social Security card is lost, stolen, or requires an update due to a name change or citizenship status alteration, obtaining a replacement becomes essential. If you reside in Utah and find yourself needing to replace or update your Social Security card, understanding the process is crucial. This comprehensive guide aims to provide step-by-step instructions and essential information on how to replace social security card in utah.
Importance of Replacing or Updating a Social Security Card
Your Social Security card is crucial for various purposes, including employment, tax filing, obtaining government benefits, and more. Replacing a lost card or updating information due to a name change or immigration status alteration ensures that your personal records are accurate and up-to-date.
Step-by-Step Guide: How to Replace and Update a Social Security Card in Utah
1. Determine the Need for Replacement or Update
Evaluate whether you need to replace your card due to loss, theft, damage, or if you need an update due to a name change, citizenship status alteration, or other reasons.
2. Gather Required Documents
Collect the necessary documents to support your application for a replacement or updated Social Security card:
- Proof of Identity: Valid U.S. driver's license, state-issued ID, or U.S. passport.
- Proof of Citizenship: Birth certificate or U.S. passport.
- Proof of Age: Birth certificate or other acceptable documentation verifying your age.
- Proof of Legal Name Change: Marriage certificate, divorce decree, or court order.
3. Complete the Application
Access the Social Security Administration's website to fill out the Application for a Social Security Card (Form SS-5) or obtain a physical copy of the form from a local Social Security office.
4. Visit the Nearest Social Security Office
Locate the nearest Social Security office in Utah and visit during office hours. Bring the completed application form and required documentation.
5. Submit Your Application
Present the completed application form and original or certified copies of required documents to the Social Security representative. They will review your application and documentation.
6. Receive Confirmation
Upon acceptance of your application, you'll receive a confirmation receipt from the Social Security Administration acknowledging your request for a replacement or updated card. The new card will be mailed to you.
7. Wait for the Replacement or Updated Card
The processing time for a replacement or updated Social Security card varies. Typically, you'll receive your new card via mail within 10-14 business days after the application is processed.
8. Safeguard Your New Card
Upon receiving your new or updated Social Security card, store it in a secure location. Avoid carrying it in your wallet regularly to minimize the risk of loss or theft.
Tips and Important Considerations
- Protect Your Social Security Number: Safeguard your Social Security number to prevent identity theft or fraud.
- Retain Copies of Documents: Keep copies of vital documents such as your birth certificate and passport for future reference.
- Prompt Reporting: Report a lost or stolen card immediately to the Social Security Administration to prevent potential misuse.
Replacing or updating a Social Security card in Utah is a process that demands accuracy and attention to detail. By following this step-by-step guide and ensuring you have the necessary documents, you can navigate the process smoothly. Remember, your Social Security card is a critical form of identification, so take necessary precautions to safeguard it and your Social Security number. Obtaining a replacement or updated card promptly ensures that you can continue to conduct essential transactions and maintain accurate personal records.


text:
The use of liquid nitrogen Dewar is not only for sample storage. Before the cryopreservation of biological samples was derived, people wanted to preserve liquid nitrogen more and use liquid nitrogen to do some things, perhaps freezing parts, or now Liquid nitrogen and food pairing, liquid nitrogen and stage smoke, liquid nitrogen beauty, etc. Among them, liquid nitrogen beauty treatment is more common in dermatology, such as removing moles and warts.
Because of different uses, usage requirements vary. Some value convenience, while others care more about storage time. To facilitate users, various brands of liquid nitrogen Dewars are designed in various types and models, from sample storage coverage to simple liquid nitrogen use. There's even liquid nitrogen transfer. So what type of liquid nitrogen Dewar is used in dermatology?
The more commonly used ones are portable liquid nitrogen Dewars, such as 6 liters, 10 liters, and a small number of 3 liters!
These three liquid nitrogen Dewars commonly used in dermatology have the common characteristics of a single handle, aviation aluminum material, and double bladder vacuum insulation. They are small in size and can be carried by one person with one hand. It is more in line with the needs of the dermatology department to pour out the liquid nitrogen and soak the liquid nitrogen pen for spotting moles and spots. In addition, these three models mostly use a small diameter of 50mm, which has small daily evaporation loss of liquid nitrogen and a long storage time.
For example, the 10-liter liquid nitrogen Dewar has a diameter of 50mm and has a static storage time of 87 days;
A 6-liter 50mm liquid nitrogen tank can be stored statically for 53 days, and a 3-liter 50mm liquid nitrogen tank can be stored statically for 26 days!
Therefore, considering the portable needs of dermatology and longer liquid nitrogen storage time, 10 liters 50 and 6 liters 50 are more commonly used. Moreover, in addition to these small liquid nitrogen Dewars and liquid nitrogen pens, dermatology departments also often use liquid nitrogen treatment devices, also called "liquid nitrogen cups" and cryogenic liquid nitrogen spray guns!


text:
Document Type : Original Paper
Tarbiat Modares university Mechanical Engineering Faculty Manufacturing Department Metrology & Advanced Mechatronics Lab.
Tarbiat Modares University
This paper deals with the study on mechanical and magnetic properties of Magnetorheological Nanocomposites (MRNCs) based on room temperature vulcanized (RTV) silicone rubber and nano-sized carbonyl iron particles (CIPs). The five samples was prepared using ammonium bicarbonate (NH4HCO3), CIPs, silicone oils and silicone rubber. All samples were manufactured under isotropic condition and their microstructures was characterized by x-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM). Porosity characteristics was measured and porosity image analysis was applied through ImageJ and Origin Pro Software. The mechanical tensile tests was conducted using Gotech tensile strength tester. The magnetic properties of porous MRNCs were practically determined using VSM test. Plateau stress induced by the applied magnetics fields and MR effects was determined. Upon successful fabrication of MRNCs, the samples deflections was measured against applied magnetic fields .The findings shows that porosity increase the flexibility and relative magnetic permeability of MRNCs and porous MRNCs will be the desired candidate for miniature and flexible actuators.


text:
Backing up the OfficeScan Database
- Go to Administration > Settings > Database Backup.
- Type the location where you want to save the database. If the folder does not exist yet, select
Create the folder if not already present. Include the
drive and full directory path, such as
By default, OfficeScan saves the backup in the following directory: \DBBackupNote:
OfficeScan creates a subfolder under the backup path. The folder name indicates the time of the backup and is in the following format: YYYYMMDD_HHMMSS. OfficeScan preserves the 7 most recent backup folders, automatically deleting older folder(s).
- If the backup path is on a remote computer (using a UNC path), type an appropriate account name and the corresponding password. Ensure that the account has write privileges on the computer.
- To configure a backup schedule:
- Select Enable scheduled database backup.
- Specify the backup frequency and time.
- To back up the database and save the changes you made, click Backup Now. To save only without backing up the database, click Save.


text:
China is considering building a set of digital integration systems to better provide a scientific basis for the design, construction and maintenance of its first railroad on the Tibet Plateau in the western part of the country.
The package consists of a digital roadbed system and a numerical simulation platform, according to the research institute of the environment and engineering of frigid and arid zones under the Chinese Academy of Sciences (CAS). A digitized simulation system for frozen-earth-based roadbeds, the digital roadbed system, will help estimate the operational state of a certain roadbeds and forecast what sort of problems might occur on it provided the real geological and boundary conditions and engineering measures are available for the roadbed.
The system will be used to verify and analyze whether the engineering and structure designs are reasonable for the Qinghai-Tibet railway that is being built and to make revisions to the designs. The digital simulation platform is a geological information system for the Qinghai-Tibet railway, to be used for information inquiry, space analysis, engineering design aid and data bank service relevant to the rail project.
The Qinghai-Tibet railroad is designed to connect Xining, capital city of northwest China's Qinghai Province, with Lhasa, capital of west Tibet Autonomous Region, with a total length of 1,956 kilometers.


text:
You may know someone with a big heart, but you probably haven't seen one the size of the whale heart that is on display now in Beaufort.
The heart of a male sperm whale was put on display at the North Carolina Maritime Museum in Beaufort Thursday morning. After a nine-year, 2,300 mile journey, the heart and skeleton of a male sperm whale is ready for the public to see this Valentine's Day week. The whale is named "Echo" and his skeleton currently hangs in the museum.
"We should all think about our hearts more often in many ways. It's good to have this display and since I'm a marine biologist I think it's great to bring biology into it and educate people," said Victoria Thayer.
"It felt very rubbery. I wasn't grossed out by it or anything, but I think it's fascinating that they're able to preserve it like that so that you can actually visualize what the inside looks like." said visitor Nan Holton.
The heart was plastinated at the University of Tennessee Knoxville. Plastination is a process used to preserve body parts where the water and fat are replaced by plastics. Once plastinated, the body part can be touched and does not smell or decay.
Designed by Gray Digital Media


How to create a circle in NetLogo?
by roel_stanton , in category: Other , 5 months ago
How to create a circle in NetLogo?
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1 answer
Member
by isadore , 5 months ago
@roel_stanton
To create a circle in NetLogo, you can use the turtle or patch shape commands. Here is an example of how to create a circle using the turtle shape command:
 1. Open NetLogo and create a new project.
 2. In the Command Center, type the following commands:
1
2
3
4
5
to create-circle
 create-turtles 1
 [ set shape "circle"
 ]
end
 1. To see the circle, type the following command in the Command Center:
1
create-circle
This will create a single turtle with a circle shape.
Alternatively, you can use the patch shape command to create a circle. Here is an example of how to do this:
 1. Open NetLogo and create a new project.
 2. In the Command Center, type the following commands:
1
2
3
4
5
6
to create-circle
 ask patches
 [ set pcolor red
 set shape "circle"
 ]
end
 1. To see the circle, type the following command in the Command Center:
1
create-circle
This will create a circle shape for each patch in the patch grid. The patches will also be colored red.
You can customize the size and color of the circle by using the size and color turtle or patch variables. For example, to create a larger circle with a different color, you could use the following commands:
1
2
3
4
5
6
7
to create-circle
 create-turtles 1
 [ set shape "circle"
 set size 50
 set color green
 ]
end
I hope this helps! Let me know if you have any questions.


text: Optimal path queries are queries to obtain an optimal path specified by a given criterion of optimality. There have been many studies to give efficient algorithms for classes of optimal path problem. In this paper, we propose a generic framework for optimal path queries. We offer a domain-specific language to describe optimal path queries, together with an algorithm to find an optimal path specified in our language. One of the most distinct features of our framework is the use of recursive functions to specify queries. Recursive functions reinforce expressiveness of our language so that we can describe many problems including known ones; thus, we need not learn existing results. Moreover, we can derive an efficient querying algorithm from the description of a query written in recursive functions. Our algorithm is a generalization of existing algorithms, and answers a query in O(n log n) time on a graph of O(n) size. We also explain our implementation of an optimal path querying system, and report some experimental results.


Using your IaaS, software, or application architect privileges, create a blueprint container and configure the name, description, and unique identifier for your MySQL on CentOS vSphere blueprint.
Procedure
 1. Select Design > Blueprints.
 2. Click the New icon (Add).
 3. Enter MySQL on CentOS in the Name text box.
 4. Review the generated unique identifier.
 The identifier field automatically populates based on the name you entered. You can edit this field now, but after you save the blueprint you can never change it. Because identifiers are permanent and unique within your tenant, you can use them to programmatically interact with blueprints and to create property bindings.
 5. Enter MySQL Software on vSphere CentOS Machine in the Description text box.
 6. Configure a lease range for users to choose from by entering 1 in the Minimum text box and 7 in the Maximum text box.
 Users can choose to lease their requested machines for up to 7 days before having to renew their leases or letting their machines be destroyed.
 7. Click OK.
What to do next
Drag your MySQL component and your published CentOS for Software machine blueprint onto the canvas.