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Effects in World Space
In Spark AR Studio, you can create AR effects that transform someone's environment when they're looking through the back camera of a mobile device.
One way of doing this is by moving an object from camera space, into world space. If an object is in world space, you can set it to be in a fixed location in someone's environment. Only mobile devices with a gyroscopes can use effects in world space.
Another way of creating a world effect is with the plane tracker.
Learn about:
The difference between camera space and world space
By default, all objects are added to the scene as children of the Camera in the Scene panel. This means they're in camera space, and will move with the movement of the device.
To see camera space, select the Camera in the Scene panel. This will highlight 2 rectangles in the Viewport in blue:
 - The smaller rectangle represents the mobile device.
 - The larger rectangle represents what's in view of the camera.
In the example below, the heart is in camera space.
When an object is no longer a child of the Camera, it's in what's known as world space. This means the object can be placed in a fixed location in someone's environment.
Moving an object into world space
To move objects out of camera space and into world space, all you need to do is:
 1. Select the object.
 2. Drag it to the bottom of the Scene panel.
This will position the object at 0 along the X, Y and Z axes.
We've done this in the example below:
Positioning an object in world space
Use the Manipulators at the top of the Viewport or edit the Transformations of an object in the Inspector to experiment with its position, rotation and scale.
Previewing objects in world space
Use the Simulator to simulate the movement of the device, to get an idea of how your world effect looks.
Or, preview your effect on a device using the Spark AR Player app.
Removing device motion capability
When you move an object into world space, Device Motion Capability will be added. Leaving it in place will limit the mobile devices your effect can work on, so it's a good idea to remove it if you've decided to make an effect in camera space instead.
If you move that object back to camera space or delete it, you'll need to remove the capability:
 1. Go to Project in the Menu bar and select Edit Properties.
 2. Select Capabilities then Device Motion.
 3. Click -.
Learn more
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Find inspiration, see examples, get support, and share your work with a network of creators.
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Find inspiration, see examples, get support, and share your work with a network of creators.
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Biochemical Genetic Test: Urine Organic Acids
Also known as: organic acids urine test, organic acids test, metabolic analysis profile – organic acids.
What is biochemical genetic test: urine organic acids?
Metabolism is the sum of the chemical processes whereby the body builds new molecules and breaks down others to get rid of waste products and produce energy. When organic acids build up in the body (there are several dozen organic acidemias which are frequently the result of an inherited enzyme abnormality in protein metabolism) they derange many of normal chemical processes that the body needs to be in good health. They may present with either an acute life-threatening illness in early infancy or unexplained developmental delay in later life. Urine is tested for organic acid abnormalities because it contains levels approximately 100 times those found in the blood and therefor makes the test more accurate than doing it on blood samples.
What happens during the procedure?
A urine sample is required. This is which is sent to a laboratory for testing.
Is any special preparation needed?
Depending on the age of the infant/child, diet, and/or medications may require adjusting. Your Nicklaus Children's Hospital specialist will outline any preparations required.
What are the risk factors?
There are no risk factors to testing the urine. While collecting a urine sample in young infants may have some potential complications, the benefits of an accurate diagnosis is thought to far outweigh the potential risks.
Reviewed by: Jack Wolfsdorf MD.
This page was last updated on: 10/29/2018 1:54:20 PM


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Design UI

Applies only to Mobile Apps and Reactive Web Apps
OutSystems
MasterDetail Pattern
The MasterDetail pattern is similar to the SplitScreen pattern, but it receives an item list for the left panel. You can use this pattern in tablet apps, to display the detail of a list of items.
Here's the preview in Service Studio:
How to Use the MasterDetail Pattern
Start by binding a List to the ItemList parameter and leverage the Block events to change the content placeholder.
1. Create a local boolean variable and set it on OpenedOnPhone.
2. To open the detail of the clicked element, use a link for an action, set your local variable to True , and add logic to open the correct detail.
3. To close the detail, create an action and set your local variable to False , and use this action in the DetailClose event. Add necessary logic.
Phone Landscape with the Same Behavior as Tablet
You can have your phone in landscape to work the same way as a tablet:
.phone.landscape .split-left {
 width: **x; /* This is width value for the left side */**
}
.phone.landscape .split-right {
 -webkit-transform: translateX(0) translateZ(0);
 transform: translateX(0) translateZ(0);
 width: **x; /* This is the width value for the right side */**
 left: auto;
 right: 0;
 border-left: 1px solid #d3d3d3;
}
.phone.landscape .detail-open .split-right-close {
 opacity: 0;
 pointer-events: none;
}
.phone.landscape .detail-open .app-menu-icon {
 opacity: 1;
 pointer-events: auto;
}
Input Parameters
Input Name Description Default Value
ItemList These are the items for the list on the left side of the MasterDetail. N/A
Events
Event Name Description Mandatory
DetailClose Triggered when the detail (or right side of the MasterDetail) is closed. False
ItemSelected Triggered when an item of the list (or left side of the MasterDetail) is selected. False
Layout and Classes
CSS Selectors
Element CSS Class Description
MasterDetail Wrapper .split-screen-wrapper Container that wraps elements in the left and right containers.
Left Content .split-left Add content to the left side.
Right Content .split-right Add content to the right side. In phone view, this Element is off-canvas.
Close Right Content .split-right-close
Compatibility with Other Patterns
This pattern should be used alone inside the screen content because it will adapt to the height of the parent. Additionally, you should avoid using the MasterDetail pattern inside patterns with swipe events, like Tabs.
Samples
You can use the MasterDetail pattern as a sample:
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text:
Historic cemeteries provide rare opportunities to
study and honor our ancestors and our communities.
These memorials to past generations can tell us
about settlement patterns, family relationships,
religion, lifestyles and craftsmanship. Whether
your cemetery is well preserved or endangered, the
Alabama Historical Commission (AHC) helps preserve
these places for future generations.
list of cemeteries in the Historic Cemetery
Register is available alphabetically by county.
The Alabama Historical Commission's
cemetery program provides assistance in identifying,
documenting, registering, conserving, and protecting
Alabama's historic cemeteries. Through the cemetery
program, the Alabama Historical Commission:
- Informs the public about cemetery preservation guidelines
- Teaches individuals and groups how to document cemeteries
- Provides official historic designation for cemeteries through the Alabama Historic Cemetery Register
- Assists those interested in purchasing a historical marker or plaques for cemeteries
- Supplies free technical assistance on how to properly clean and repair cemeteries and grave markers
- Makes information on Alabamas cemeteries laws available
- Answers questions concerning the general history of Alabamas cemeteries.
For a list of Alabama Historical Commission cemetery historical markers & plaques in Alabama,
Please click on the following links for additional information, survey forms or applications.
Alabama Legislature amends Burial Law
Governor Bob Riley signed amendment into law on April 30,
Amended law provides equal protection under the law
for Native American burials.
text of bill
For more information, please contact
Lee Anne Wofford, Cemetery Program Coordinator, by
phone at _PHONE_ or by email at

source: HuggingFaceFW/fineweb-edu


text:
Reducing Installation Costs
When it comes to harnessing solar energy, one of the biggest challenges has been finding an efficient and cost-effective way to install solar panels. Traditional solar panel installation methods often require the use of ballasts, which are weights used to secure the panels to the roof. However, this method can be labor-intensive and expensive. Luckily, non-ballasted solar panel systems offer a solution to this problem, reducing installation costs significantly.
Non-ballasted solar panels are designed to be installed directly onto the roof surface without the need for additional weights or supports. This eliminates the time-consuming process of placing and securing ballasts, resulting in a faster and more streamlined installation process. Additionally, without the need for ballasts, there is less equipment required, further reducing costs.
Minimizing Roof Load
Another advantage of non-ballasted solar panel systems is their ability to minimize roof load. Ballasted solar panels can add a significant amount of weight to a roof, which can put stress on the structure and potentially lead to damage over time. On the other hand, non-ballasted solar panels distribute the load more evenly across the roof surface, reducing the strain on the structure.
This reduction in roof load can be particularly beneficial for buildings with flat roofs that may not have been initially designed to support the weight of traditional ballasted solar panel systems. By opting for non-ballasted panels, building owners can avoid the need for costly structural modifications or reinforcements.
Non-ballasted solar panels offer a sleek and streamlined appearance that can enhance the overall aesthetics of a building. Unlike traditional ballasted systems, which require visible ballasts to secure the panels, non-ballasted panels lay flush against the roof surface, creating a seamless and visually appealing look.
This aesthetic improvement is particularly important for residential or commercial properties looking to maintain a clean and modern appearance. By opting for non-ballasted solar panels, building owners can seamlessly integrate solar energy into their design without compromising on style.
When it comes to durability, non-ballasted solar panels have a clear advantage over their traditional counterparts. Ballasted systems, with their additional weights and supports, can be more prone to damage from wind uplift, punctures, or other external factors.
Non-ballasted solar panels, on the other hand, are typically secured directly to the roof surface using specialized mounting systems. This eliminates the risk of ballast displacement or damage, resulting in a more durable and long-lasting solar panel system.
Faster Maintenance and Repair
In the event that maintenance or repairs are required, non-ballasted solar panel systems offer a faster and more convenient solution. With traditional ballasted systems, the removal and replacement of the ballasts can be time-consuming and labor-intensive.
Non-ballasted solar panels, on the other hand, can be easily accessed and serviced without the need for extensive disassembly. This means that repairs can be completed more efficiently, minimizing downtime and reducing any potential disruptions to the building's energy production.
In conclusion, the installation of non-ballasted solar panels on flat roofs offers numerous benefits. From cost savings to improved aesthetics and enhanced durability, non-ballasted systems provide a practical and efficient solution for harnessing solar energy. As solar technology continues to advance, non-ballasted systems are likely to become even more prevalent, further driving the adoption of renewable energy sources. Want to dive deeper into the topic? Check out this interesting source, external material we've put together for you.
Expand your view on the subject discussed in this article with the related posts we've specially selected for you:

source: m-a-p/FineFineWeb


text:
Autumn is high season for software events and news, and we're expecting more buzz about Intel persistent memory, planned to release with a future version of the Intel® Xeon® Scalable processor. For our software developer colleagues around the industry, we're pleased to announce our new persistent memory resource showcase in the Intel Developer Zone. The zone features video tutorials on persistent memory programming, tools such as the Non-Volatile Memory Library and step-by-step walk-throughs of sample applications. Experts and senior engineers, such as Intel Principal Engineer Andy Rudoff, are your guides to this transformative technology with videos, articles, and postings.
Think Different When Memory is Big, Affordable and Persistent
Intel persistent memory challenges long-held assumptions about DRAM-based memory technology, namely, it's small, expensive and volatile. With high-density 3D XPoint non-volatile media and tight integration into the Intel Xeon Scalable platform, Intel's memory solution will be big, affordable and persistent. When available, software developers will no longer need to exit the memory domain and use much-slower I/O to make data persistent. Instead, terabytes of data can remain persistent in memory, close to the CPUs, available in a fraction of the time required to retrieve it from an SSD.
Get Started Today and Stay in Touch
Some of the resources available today include:
- Introduction to the Non-Volatile Memory Library
- Using Persistent Memory in Windows* and Linux* Environments
- NOVA: A High-Performance, Hardened File System for Non-Volatile Main Memories
- Breaking Barriers: Make Adopting Persistent Memory Easier
Stay in touch with us for news and persistent memory developer resources as they become available. Engage Intel experts and peers around the world in the discussion forums. Subscribe to the Intel Developer Zone newsletter to stay on top of the latest developments on Intel memory and a range of other topics from artificial intelligence to virtual reality. Join us. It's going to be an amazing journey.


text:
LEGO Education is partnering with NASA for a free, digital STEAM learning series. Build to Launch: A STEAM Exploration Series is a 10-week series that is specifically designed to spark student curiosity and increase engagement in STEAM through the upcoming Artemis I space mission.
For kids that daydream about eating astronaut ice cream, the series includes interactive episodes and open-ended prompts that are grouped into three categories: Getting to Space, Testing and Transport, and Working in Space. Each lesson highlights and explains different NASA careers.
The lessons were created in collaboration with NASA to inspire kids about STEAM learning and the Artemis I. The first of a series of lunar missions, Artemis I aims to enable human exploration on the moon and, eventually, Mars. Kids will exercise their problem-solving and collaboration skills while learning about some of the most important jobs that contribute to a space launch. They can get hands-on while designing prototypes and working together to build and assemble parts, similar to the stacking of the mission's Space Launch System rocket.
As the series progresses, kids can follow along with the LEGO Space Team Set, which includes LEGO minifigures featuring flight members and ground crews as they prepare for a general mission. Students and their teachers also have the option to tune into weekly student press conferences on the LEGO Education YouTube channel. During each episode, LEGO Minifigures Kate and Kyle and their NASA counterparts will field questions about the next mission.
Future scientists and space engineers will have a blast learning with LEGO and NASA! The Build to Launch: A STEAM Exploration series premieres in September.


text:
Agastache rugosa (Lamiaceae), a new casual alien in the flora of Poland
In September 2014, the occurrence of Agastache rugosa (Lamiaceae) was recorded as a new casual alien in the flora of Poland. The species was observed between fallow and arable fields in Lbiska near Zalesie Górne, Masovian Province. The habitat where this species was found suggests the plant was introduced from garden waste from a nearby horticultural farm. A. rugosa is a perennial herb native to temperate regions of Asia. It is cultivated as an ornamental species and a source of nectar for bees and is regularly found as an escapee from cultivation. It has been recorded as casual in Belgium, France and the United Kingdom.
Pliszko A (2015) Agastache rugosa (Lamiaceae), a new casual alien in the flora of Poland. Botanica Lithuanica 21, 74-76.


text:
Intro: Poor Man's Door Trip Alarm
You will need:
LCD Screen Buzzer
6 LED's (you could use less)
A bunch of wires and 20-32 M/F connectors
1 100 ohm resister
6 220 ohm resisters
Optional: Amazon box as a housing
Step 1: What You Need and What to Do First
What to do first
1. Link your hot and ground rails with some M/M wires.
2. Next ground your LED's to the ground rail. To do my exact same build you will need 12 M/F wires to connect the LED's so you can show the led's on the outside of the amazon box.
3. Insert the 6 220 ohm resisters and then connect the hot line on the LED to those resisters so the LED's don't burn out and aren't so bright.
LED"s where connected from left to right in ports 13 -> 8 (So there is a movement looking motion to the lights
Step 2: Receiver and Sensor
Receiver (Using M/F wires)
1. Connect the left most pin on the IR receiver (when the component is facing you) to the ground rail.
2. Connect the middle pin to the hot rail so it gets power
3. Connect the right most pin to port 4 to control when the buzzer should sound
Distance Sensor (Using M/F wires)
1. Connect the GND pin to the ground rail
2. Connect the echo pin to port 6 and connect the trig pin to port 7
3. Now connect the remaining pin to the hot rail
Step 3: Buzzer
1. Connect the left pin on the buzzer to the ground rail
2. Connect the hot wire to a 100 ohm resister and then connect the resister to port 5
**The resister is important as not using one can cause to much power to reach the buzzer and quickly silence it for good
Step 4: LCD and Potentiometer
1. Connect the left pin on the potentiometer to the ground rail using a M/M wire
2. Connect the right pin to the hot rail like the above
3. The connect the middle pin to the Vo pin on the LCD screen using a M/F wire
GND - Connects the the ground rail
VSS/VCC - Connects to the hot rail
Vo already connected to the potentiometer
RS - A0 port
RW - GND port on the breadboard.
E - A1 port.
D4 - A2 port.
D5 - A3 port
D6 - A4 port
D7 - A5 port
A (anode) - Will go to the hot rail on the breadboard
K (cathode) - Will go to the ground rail on the breadboard
Step 5: Getting the Code Together
Click the code there. You will have to alter something, you will need to download the TimerFreeTone library and edit the NewPing library. Open the NewPing library (say in notepad++) and search for "__vector_7". This should eventually bring up this line of code "_TAG_ TIMER_ENABLED true"
You will need to change this to "_TAG_ TIMER_ENABLED false" this way the IR and the new ping library timers don't get a confliction.

source: openbmb/Ultra-FineWeb


text:
First Church is home of the beautiful "Resurrection Window" by the artist, John LaFarge. Fashioned of opalescent glass, this window is well known far a field for its special beauty. The apse was designed by the artist's son to complement the window.
The 1866 James E. Treat (opus 1) pipe organ was built for E. Searle's Great Barrington, MA residence and relocated to the church in 1924. The case and console are constructed of solid, carved English oak. The organ contains 40 ranks of pipes distributed over three manuals (keyboards) and pedal.
Our Parish House, erected by the parishioners grateful of their heritage, was dedicated on May 24, 1964. This building is the scene of great activity for both church and community.
First Church, because of it's historical significance and unique gothic architecture, is listed in the National Register of Historic Places.
First Church is home to The Chapel School, a non-denominational preschool.
Enter to Worship – Depart to Serve


Why Did My Cat Pee On My Bed? It's Time To Get Serious About This!
Your cat is a bundle of joy. Right upto the point where you realize that she has relieved herself over your favourite duvet, the third time this week. It is near-impossible to rid the stench and stain associated with such deeds, and if this happens too frequently, it becomes a matter of bad hygiene for everyone in the household. I bet this becomes frustrating after the first few times, and you begin to wonder, why did my cat pee on my bed?
Instead of flying into a tirade against your pet, remember that it is against the nature of a cat to pee anywhere; peeing on your bed is a sign of deeper, solvable issues involved which need to be addressed immediately.
Why did my cat pee on my bed?
Since you have already trained your cat in matters of hygiene, the reason why she would suddenly take to your beloved bed, of all places, can be two-fold.
Either her existing litter-box is not meeting her requirements, or there is something pathologically or emotionally wrong with your cat. It can one or both the reasons. The faster you find the solution, the happier everyone is…
why did my cat pee on my bed
Is your cat stressed?
More often than not, peeing on my bed is a sign that my cat is feeling insecure. It is a trigger for me to start judging what has changed in the recent past.
why did my cat pee on my bed
1. Your cat is anxious
This is the most common cause for my cat to act up. There are several flags that can set off my cat, and I know that is true for all pets:
 - check-circle
 Every time I get a new pet, my cat feels threatened, both emotionally and physically. Any kind of pet higher in the pecking order of bullying (dogs, for instance), especially, if not initiated from a young age, can be stress-inducers for your cat. Animals square off over territory, resources, status and affection. Threat towards these factors, whether perceived or actual, can be deeply disturbing to your cat.
why did my cat pee on my bed
 - check-circle
 Having guests over, especially little children that eat into everyone's attention and get pesky with the cat, turns off her mood. She would rather be left alone and take refuge in the relatively quieter bedroom for all her needs. 'Cat-persons' will testify to how protective these balls of fur can be towards their humans, and the disinclination to share affection is key to their changed behaviours around new people.
why did my cat pee on my bed
 - check-circle
 When my partner goes off on long trips, my cat quite literally mopes and starts peeing on my bed. Separation or any disturbance with the schedule associated with the pet-parents is known to trigger anxiety in the pet's mind and causes them to behave out of nature.
2. Your cat needs a trip to the veterinarian
why did my cat pee on my bed
If you have not been able to recognise any triggers for behavioural changes, it is time to take your kitty to the doc. Cats can suffer from a host of medical problems like urinary tract infections, diabetes or arthritis. Any of these can make it painful for your cat to use the litter-box; your bed thus becomes a more comfortable alternative.
A urinalysis and a host of other diagnostic tests should be done to rule out any possibility of medical problems. The sooner this is attended to, the less suffering your cat has to go through. You can consider best cat food for urinary tract if your cat has a urinary tract infection.
Are the litter-boxes upto your cats' tastes?
1. Are they big enough?
Via: Amazon.com
Litter-boxes, as a rule of thumb from Jackson Galaxy, should be approximately one-and-half times the length of the cat (excluding the tail)
Small, campy litter-boxes are a no-no, as cats feel trapped and vulnerable while attending to nature's call. In a multi-cat household, litter-boxes should outnumber your pets. Also, covered litter-boxes tend to make my cats feel blind-sided, so the bigger and open they are, the safer my pets feel.
By personal experience, the IRIS Open Top Cat Litter box makes my cats feel pretty pampered. The sides and back of this box are high enough to give the much-needed privacy to my cats and also prevents them from spraying their litter over to the floor.
2. Are they being cleaned regularly?
why did my cat pee on my bed
Litter-boxes should be ideally cleaned twice-a-day. Under normal circumstances, cats are tidier creatures than us, and we hate clogged and dirty toilets; imagine what our cats must feel like, having to return to an un-cleaned box. Regular scooping and scrubbing (the latter on a fortnightly basis) are key to maintaining hygiene for your pet.
It is also necessary to try out a few choices before settling on a particular type of litter box for your cat. It takes time to arrive at the right fit, but unless that happens, chances are, your cat will keep hunting for clean, comfortable and safe places to pee on, like your bed.
3. Are the litter-boxes in the right location and have the right substrate?
A lot of cat-owners try to hide litter-boxes behind inconvenient nooks and small, unobserved spaces, so as to avoid embarrassment to guests. If they are out-of-sight for you, chances are, your feline pets will choose a more accessible spot.
Your cat's litter-box cannot be located smack in the middle of all the commotion. It cannot be too far away from where she spends most of her time and it certainly must offer some degree of privacy.
The kind of substrate used in the litter-box is also crucial. Cats like to bury their waste, and prefer substrates with a grainy or sandy texture. Also, while for pet-owners, a scented substrate seems ideal to mask the malodour, most cats may disagree.
why did my cat pee on my bed
I have been a huge fan of Dr. Elsey's cat litter, because it is a naturally clumping litter, with no deodorant features, and is really easy to clean. Better Way's cat litter comes a close second, though my cats still prefer the former (I had to hurriedly revert to Dr. Elsey's when I sensed the suspicion in my cat's eyes!)
What is so inviting about your bed?
Your cat will not think along the line of aesthetics. She just likes the feel of your bed. It is clean, soft and absorbent and is preferable to the touch of the substrate in her litter-box. So peeing there comes as a natural step. Besides, other more serious factors can also be at play:
1. Your cat misses you
why did my cat pee on my bed
The prolonged absence of the pet partner breeds insecurity in cats. They react by trying to reassure themselves of the parents' presence, by mingling their own scents with that of the parents.
Their actions are not vengeful, but one of self-soothing. They are only trying to be cute, but needless to say, we fail to see it that way.
2. A bed offers a bird's-eye-view-of the threat below
why did my cat pee on my bed
A bed, or any elevated place, also acts as a respite from any kind of threat. A cat, like any creature, needs to pee in peace. If her litter-box is inconveniently located where she is exposed to attacks, she would much prefer to relieve herself atop your bed, which offers her a good view of the ground below and eliminate unwanted attention.
Sometimes, renovations, shifting houses and simple rearrangement of furniture can also trigger a sense of threat in your cat. Scared and in search for something familiar, she is likely to target your bed to pee in.
To summarise, take a look at this video to detect your cat's lack of interest in her litter-box, and what to do about it.
How to stop a cat from peeing on your bed
why did my cat pee on my bed
why did my cat pee on my bed
Keeping doors locked is the easiest way to remind your cat that the bedroom is out of bounds. Another alternative is to substitute the targeted fabric with something that your pet does not favour, like a slippery vinyl sheet.
Sometimes, when I realise that my cat is going through some form of anxiety, I deliberately set up play sessions on my bed, not just to ease her mind but also to endear the place to her as a happy spot.
why did my cat pee on my bed
As I said, cats are tidy creatures, they never litter where they sleep or play. Do not chastise your cat when you have nailed the issue as that will only antagonise and stress out your pet. You can learn more tips to keep your cat off the bed.
How to get rid of cat-pee stains from your bed
Once the deed is done, here's a handy step-by-step guide to rid your bed from cat-pee stains. If the pee is still fresh:
why did my cat pee on my bed
why did my cat pee on my bed
 - paw
 Soak it out of the fabric immediately using clean washcloths or paper towels.
 - paw
 If several hours have passed, spray 50 ml of a 1:1 water and vinegar mixture and soak it up after a minute.
 - paw
 The excess liquid can


Consider adiabatic flow of air through a duct. At a given point in the duct, velocity of air is 300 m/s, temperature is 330 K and pressure is 180 kPa. Assume that the air behaves as a perfect gas with constant cp = 1.005 kJ / kg.K. The stagnation temperature at this point is _____________ K (round off to two decimal places).
This question was previously asked in
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Answer (Detailed Solution Below) 373 - 377
Free
CT 1: Ratio and Proportion
3742
10 Questions 16 Marks 30 Mins
Detailed Solution
Download Solution PDF
Concept:
It is the ratio of inertia force to the elastic force of flowing fluid.
\(M = \sqrt \frac{Inertia force}{Elastic force} = \frac{V}{C}\)
where C is the velocity of sound in the fluid, V is the velocity of the body moving in the fluid.
For adiabatic flow:
\(C = \sqrt {\frac{\gamma P}{ρ }} =\sqrt {\frac{\gamma \times\rho\times R\times T}{ρ }} = \sqrt {\gamma RT}\)
The relation of stagnation temperature To and Mach number is:
\( \frac{{{T_0}}}{T} = 1 + \left( {\frac{{γ - 1}}{2}} \right){M^2}\)
Calculation:
Given:
V = 300 m/s, T = 330 K, γ = 1.4, R = 287 J/kg-K.
\(M = \frac{V}{\sqrt{\gamma RT}} = \frac{300}{\sqrt{1.4\times 287\times 330 }}\) = 0.823
We know that,
\( \frac{{{T_0}}}{T} = 1 + \left( {\frac{{γ - 1}}{2}} \right){M^2}\)
\(T_0 = T\left\{1 + \left( {\frac{{1.4 - 1}}{2}} \right){0.823^2}\right\}\)
To = 330 (1 + 0.1355) = 374.71 K
∴ Stagnation temperature To = 374.71 K


text:
The Evidence Integration Triangle for Management of Behavioral Psychological Symptoms of Dementia
AuthorAnderson, Courtney E.
MetadataShow full item record
Other TitlesEIT-4-BPSD Manuscript
AbstractProblem and Purpose Behavioral Psychological Symptoms of Dementia (BPSD) are described as symptoms of apathy, agitation, inappropriate vocalization, aggression, wandering, and resistance to care. Incorrectly managing BPSD can lead to the improper administration of psychotropic medications, which can negatively impact the health and quality of life for residents with dementia. The purpose of this quality improvement project was to implement the Evidence Integration Triangle for Management of Behavioral Psychological Symptoms of Dementia (EIT-4-BPSD) in a nursing home. The Evidence Integration Triangle is a four-step implementation framework that includes participatory implementation processes, provision of practical, evidence-based interventions, and pragmatic measures of progress towards goals. Methods The EIT-4-BPSD was implemented over a ten-week period. The four steps included: Step 1: Assessment of the environment and policies; Step 2: Education of staff; Step 3: Establishing person-centered care plans; and Step 4: Mentoring and motivating staff. Outcomes were evaluated pre and post-implementation. Resident outcomes were obtained from the Minimum Data Set National Database and included: use of psychotropic medications and falls. Staff outcomes included knowledge of person-centered behavioral approaches for BPSD based on a 10-item multiple-choice test. Facility outcomes included evaluation of a random sample of five de-identified care plans to evaluate for evidence of incorporation of person-centered approaches to managing BPSD. Results Patient outcomes revealed a 12.5% decrease in the administration of psychotropic medications and a 5.6% decrease in falls. Nurse's post-test knowledge of person-centered management of BPSD increased from 63.5% to 70% post-implementation. Evidence of established personcentered care plans increased from 40% at baseline to 90% post-implementation. Conclusion The EIT-4-BPSD intervention was practical to implement and provided the staff with information and resources to help integrate person-centered behavioral approaches into care plans and routine clinical care. Ongoing work by the nurse champion is needed to continue to maintain the focus on the use of person-centered behavioral approaches.
Keywordbehavioral and psychological symptoms of dementia
evidence integration triangle (EIT)


text:
This term is American, but of unknown origin, referring to a vague system of merit points used to curry favor with some authority. Evidence indicates that it was part of military slang during the WWII-Korean War era,1 but the earliest known use in print is from the Los Angeles Times of 15 March 1951:
You don't know about brownie points? All my buddies keep score. In fact every married male should know about 'em. It's a way of figuring where you stand with the little woman—favor or disfavor. Started way back in the days of the leprechauns, I suppose, long before there were any doghouses.2
This citation indicates that it comes from the sense of brownie meaning an elf or fairy. So earning brownie points would be a way to curry favor with the spirits. But this is far from certain.
Other possible explanations include that brownie point is a reference to the junior branch of the Girl Scouts, the Brownies. This would also explain the soldier slang; one can easily see soldiers using the term from the Girl Scouts to mock army procedures and orders. The earliest known use of brownie point in the context of the Girl Scouts is from the Modesto Bee and News-Herald of 17 June 1952:
Mrs. Rose presented a Brownie bracelet to Linda Hickle, first prize winner in a Brownie point contest.3
Alternatively, some less likely suggestions include that it goes back to WWII food rationing, where brown points could be accumulated to purchase meats and fats. Going back a bit further, in the 1930s the Curtis Publishing Company, publishers of the Saturday Evening Post, awarded green and brown vouchers, known as brownies to its delivery boys, although there is no evidence of anyone calling these brownie points. Or it could be a reference to brown nosing, a vulgar term for currying favor. Finally, and least likely, it could have originated in railroad slang. George Brown of the Fall Brook Railway invented a system of demerits for his employees at the end of the 19th century. By 1942, these demerits were known as brownie points. But since a demerit is the opposite of the general sense, this seems unlikely. More likely is that the railroad slang term was altered and adopted from the more general one and conflated with Brown's system of demerits.4
1Historical Dictionary of American Slang, v. 1, A-G, edited by Jonathan Lighter (New York: Random House, 1994), 276.
2Benjamin Zimmer, "Brownie Points," American Dialect Society Mailing List, 20 Mar 2005.
3"Brownie Troop Gives Party for Mothers," Modesto Bee and News-Herald (Modesto, CA), 17 June 1952, 6.
4Michael Quinion, "Brownie Points," World Wide Words, 26 Mar 2005, accessed 31 Dec 2008 .
Copyright _PHONE_, by David Wilton


Seckel syndrome definition - Medical Dictionary: Definitions of Popular Terms Defined on MedTerms
Definition of Seckel syndrome
Seckel syndrome: A birth defect syndrome with severe short stature and, characteristically, low birth weight, very small head (microcephaly), receding forehead, large eyes, low ears, prominent beaklike protrusion of the nose, and smallish chin. Defects of bones in the arms and legs, dislocations of the elbow and hip, and inability to straighten the knees are all common as is (in boys) failure of the testes to descend into the scrotum (cryptorchidism). Underproduction of all types of blood cells (pancytopenia) occurs in some patients, as does chromosome instability.
Seckel syndrome has been called "bird-headed dwarfism" (a descriptive term that has come to be regarded as pejorative). Inside the small head, unfortunately, there is a very small brain. This usually means developmental delay and, later, mental retardation. About half of Seckel children have IQ below 50. Most children with Seckel syndrome are "friendly and pleasant" but "often hyperkinetic (hyperactive) and easily distracted."
This disease is genetic. It is inherited in an autosomal recessive manner. It is not a single homogeneous genetic disease and can be due to genes on chromosomes 3 and 18.
Helmut G.P. Seckel (1900-60) was a pediatrician who fled his native Germany in 1936 for the USA where he became professor and eventually chairman of Pediatrics at the University of Chicago. Dr. Seckel did not discover the syndrome now named for him but he did, in 1960, produce the definitive publication describing the clinical condition based on 2 children he had personally seen with it and 13 reliable + 11 less reliable cases from the medical literature. Alternative names for Seckel syndrome (aside from "bird-headed dwarfism") include: Seckel type dwarfism, nanocephalic dwarfism, and microcephalic primordial dwarfism.
Last Editorial Review: 8/28/2013
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text:
What are the advantages of Danoline perforated gypsum compared to other acoustic materials?
Contrary to porous materials, Danoline perforated gypsum tiles can be repainted over and over again without any loss of acoustic performance. In addition, our material is more robust and easier to create different shapes with. Finally, compared to other porous materials, Danoline perforated gypsum poses no risk of releasing hazardous dust particles. You can learn more about the properties of our perforated gypsum ceiling and wall solutions under "Functions". Their environmental impact is explained under "Environment".


text:
Why Male Barn Swallows Mustn't Let Themselves Go
A male North American barn swallow (Hirundo rustica erythrogaster) displaying his ventral coloration. Image © Marie Read
Once barn swallows have chosen their mates for the season, females may stray if their males don't keep themselves looking sexy, new research shows.
For male North American barn swallows, the color intensity of their feathers is a signal of "quality," perhaps akin to an expensive sportscar or a spiffy suit. Researchers don't know yet exactly what this quality signal represents perhaps social status, good genes, or the ability to raise offspring but it plays a critical role when females decide which males will father their offspring.
Rebecca Safran and colleagues now report in the 30 September 2005 issue of the journal Science that male swallows with experimentally enhanced feathers are less likely to be cuckolded by their mates. By taking genetic samples both before and after they modified the male swallows' plumage using non-toxic inks, the authors showed that female barn swallows constantly assess the quality of their mate relative to other males in the population. DNA tests revealed that males with enhanced plumage sired more of the offspring in their nests.
The authors say this is the first study to reveal just how sensitive females are to very short-term changes in their mate's appearance; a slightly scruffy plumage at the wrong moment in the breeding season can cause an unwitting male to care for many young that are not his own.
30 September 2005


Table of Contents
Search
 1. Preface
 2. Welcome to Informatica Process Developer
 3. Using Guide Developer for the First Time
 4. Getting Started with Informatica Process Developer
 5. About Interfaces Service References and Local WSDL
 6. Planning Your BPEL Process
 7. Participants
 8. Implementing a BPMN Task or Event in BPEL
 9. Implementing a BPMN Gateway or Control Flow
 10. Using Variables
 11. Attachments
 12. Using Links
 13. Data Manipulation
 14. Compensation
 15. Correlation
 16. What is Correlation
 17. What is a Correlation Set
 18. Creating Message Properties and Property Aliases
 19. Adding a Correlation Set
 20. Deleting a Correlation Set
 21. Adding Correlations to an Activity
 22. Rules for Declaring and Using Correlation Sets
 23. Correlation Sets and Engine-Managed Correlation
 24. Event Handling
 25. Fault Handling
 26. Simulating and Debugging
 27. Deploying Your Processes
 28. BPEL Unit Testing
 29. Creating POJO and XQuery Custom Functions
 30. Custom Service Interactions
 31. Process Exception Management
 32. Creating Reports for Process Server and Central
 33. Business Event Processing
 34. Process Central Forms and Configuration
 35. Building a Process with a System Service
 36. Human Tasks
 37. BPEL Faults and Reports
2. Designer
2. Designer
Adding Variable Properties and Property Aliases
Adding Variable Properties and Property Aliases
Select properties defined in a WSDL to use in a correlation set.
Properties are useful on non-message variables as a way to isolate a process's logic from the details of a particular variable's definition. Using properties, a process can isolate its variable initialization logic in one place and then set and get properties on that variable in order to manipulate it. If the variable's definition is later changed, the rest of the process definition that manipulates that variable can remain unchanged.
A variable can have several properties, each defined as a
property alias
.
Properties
A property can be one of the following:
 - Schema type like an xsd:int or an xsd:string
 - Element
For example, a property might be a purchase order number or a customer Id. A property exists within a WSDL message transmitted during a Web service interaction or in any process variable. A single variable can contain multiple properties and a single property might exist in several variables.
Property Aliases
For each pairing of a variable and a property there exists a property alias that identifies how to extract the value of a property from the given variable, whether the variable part is a simple type, schema element, or complex type. If the part is an element or a complex type, an XPath (or other language) query is required to identify the location of the property within the element or type.
For details, see the following topics:
 - WSDL Syntax and Example for Property Names and Aliases
 - Creating a Property Definition
 - Creating a Property Alias
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Rocket German Review
Reviewed by: The German Project
Rocket German "dashboard" screenshot
Rocket German is an online German course and app from Rocket Languages. It comes in three levels making it suitable for beginner to intermediate German learners.
Rocket German doesn't have quite the same flashy marketing as bigger names like Rosetta Stone, Pimsleur or Fluenz. It's also nowhere near as cute as that Duolingo owl. But you'll see a lot of people talking about it because it seems to offer a whole lot, without costing the earth.
On first glance it can be a bit hard to understand exactly what you're getting with Rocket German: There are podcast-style lessons, a grammar course, and a bunch of other tools for each lesson with a sugar-dusting of gamification, badges, awards and other trinkets.
So how does it actually work?
Let's take a look.
The interactive audio course
The first place you start in Rocket German is with the "Interactive Audio Course".
The Interactive Audio lessons are essentially podcasts. You can listen to them on your computer, download them to a music device, or access them through the app. They're all around 20 minutes long, which is a good length for me: Long enough to learn something, but not so long that it gets dull.
Rocket German interactive audio lesson screenshot
Confession time: In the past I've hurled a lot of criticism at language audio courses for teaching useless stuff at the beginning. Stuff like how to book a hotel room over the phone. Who does that anymore?
But Rocket German teaches you something much more useful: Within the first three interactive audio lessons you've learned how to how to order both tea and coffee in German. Now that's some useful language skills.
The Interactive Audio lessons are structured around a conversation. When the lesson starts, you'll hear a Pretty Intimidating Conversation, and then over the next twenty minutes Lena and Paul will break it down.
Rocket German audio lesson transcript
Part of a conversation from an audio lesson. (The actual lessons are like podcasts, but you also get written transcripts and notes to practice with.)
In these audio lessons you'll do a lot of pronunciation practice (occasionally right down to individual syllables — useful for those really long German words) and you'll learn a bit about how the words work.
Most importantly, you'll learn how to use all those words and constructions in a variety of other ways, so you can quickly start joining in real life conversations.
Update: The Interactive Audio lessons were re-written and re-recorded in 2020 with a new (American) host and two native German speakers. The previous host was a little grating. If you read other reviews that mention an annoying host... they're probably referring to the old versions of the lessons.
Overall I found the audio lessons taught me a surprising amount of useful German in a short space of time. They strike a nice balance between:
 1. Essential and usable German building blocks
 2. Cultural insights
 3. Pronunciation practice
Most importantly, what you get out of these lessons is a whole lot of motivation. Motivation comes from being able to see great results in a short space of time, and that's what these lessons deliver.
They don't necessarily go into a whole lot of depth, but that's where the next course component comes in...
The "language and culture" course
The audio course covers the most essential German you need to survive, and it gets you "functional" fast. But if you want to become fully fluent in German, the audio course isn't going to get you all the way there.
So Rocket German also comes with a more detailed written grammar course that can be used alongside the audio course. (They call it the "language and culture" course, but it's mostly grammar and vocabulary, with a few extra cultural insights included.)
This is more like a traditional-style German course. They cover in greater depth all of the nitty-gritty that the audio course skims over. The explanations are straightforward, and there's a lot of that lovely clear audio built-in, so you can practice hearing and speaking the words.
Rocket German grammar course layout
The "language and culture" lessons go into more depth than the audio course. There's audio and pronunciation practice for almost every audio example.
If you don't like learning all the technical grammar points in these lessons — that's ok. I'd recommend that you just stick to the interactive audio lessons, which are much easier to digest.
Once you start to get a little bit more curious, or you bump up against something you can't figure out, you can come back to these lessons.
(Curiosity is the best fuel for learning!)
Practicing and reinforcing what you've learned
One of my biggest weaknesses when learning a new language is that it's tempting to skip through the material too quickly. I think I understand it, so I move onto the next section. Then it all evaporates from my memory when I need it most.
Rocket German gives you a bunch of tools at the end of every lesson to make sure you've fully mastered every single angle of the material before you move onto the next step.
It tests your listening, your writing, your pronunciation, and your ability to find the right words when you're under pressure!
The tests use a self-rating system (so it's up to you to be honest) and spaced-repetition (so if something is difficult, you'll keep seeing it until it's easy). I've found these exercises challenge me to slow down and really learn the material, and my recall and confidence is better.
One of my favorite tools is the flash card game — simple but effective.
Rocket German flash cards example
Each lesson comes with a corresponding set of flashcards, or you can create your own to focus on words and phrases that you really want to practice.
Testing your pronunciation
If you've ever been afraid to speak your German out loud, for fear that nobody would understand you... you'll like this next feature.
Every single audio example in Rocket German has a voice-recording tool built in, so you can record your pronunciation and see how good it is.
Rocket German pronunciation tool example
In the first example, I got it right. In the second example I said the wrong name. Rocket German uses red text to highlight where you went wrong.
The tool is based on similar voice recognition technology to the technology in your phone that lets you give it voice commands.
The idea is that if you can get it to understand your German... you'll probably be easily understood by an actual German-speaking person. Right?
There are three difficulty levels that are supposed to require more refined pronunciation. In my testing I didn't notice much difference between the levels, but it could simply be that my German pronunciation is sehr gut.
You can try it out on the Rocket German website, about halfway down the page.
Who is Rocket German suitable for?
 - Anyone who needs a fast grasp of some German basics: The Interactive Audio Course is a great introduction. It's fun to listen to, teaches you a surprising amount, and it gives you real, usable German building blocks from very early in the course.
 - Anyone who wants to become fluent: The addition of the "language and culture" lessons means you can dig deeper and learn more grammar and vocabulary. Rocket German comes in three levels so you can go all the way from beginner to advanced.
 - German learners who have trouble getting German to "stick": The testing tools are really useful for locking the material into your memory, and they're fun as well.
 - Anyone taking a German course who wants extra help: The "language and culture" courses and testing tools can be used alongside another course for revision and practice.
The things I really like are...
 - It gives you meaningful results, fast: The course is front-loaded with useful language, so you can actually start using it from day one. This is a lot more motivating than courses that start with grammar basics, and it means you're more likely to stick with it.
 - But it's also includes a really comprehensive grammar course: So that after that initial burst of accomplishment, you can also dig down and learn the finer details of the language. This is a course that just keeps giving.
 - It's good for different learning styles: Rocket German offers different approaches to learning German. You might learn best through tests and games, or through listening to the audio course, or by reading through the lessons. You can pick the strategy that works best for you.
 - But it's not a gimmick: Some language courses are little more than fancy games that make you feel like you're doing well, but don't really help you become fluent in German. Rocket German is, underneath, a rock solid traditional German course with some fun ways of approaching the tried-and-true material. (Yes, there are 16 ways of saying "my" in German. Yes, Rocket German will teach you all of them.)
 - There's an app for iOS and Android so you can do the entire course from your smartphone or tablet.
 - No software to install on a laptop/desktop. It's an online course, so you just go to their website, log in, and it all works. No need to download anything or muck around installing things. It just works.
 - Good bang for buck: At the time of writing this, you can get the first level for under a hundred bucks. That gets you 29 interactive audio lessons, 34


text:
Scientists have developed a sound generator so powerful its shock waves can stun, and even kill people.
Another group of researchers have developed another unusual application for sound: a method of "acoustic levitation" that could help maintain colonies on Mars or the moon by using high-pitched sound waves to remove alien dust.
Blasting a high-pitched noise from a tweeter into a pipe that focuses the sound waves can create enough pressure to lift troublesome alien dust off surfaces, according to a study published January in the Journal of the Acoustical Society of America.
Extra-terrestrial missions have been plagued by dust and debris, which cling to rovers and astronauts because lunar and Martian environments lack the Earth's water or atmosphere that can displace the particles.
According to Wired,
Electrostatic charging from solar winds and UV radiation on the Moon makes this sharp dust cling to everything, including astronaut suits where it can work its way through the glove air locks. It also sticks to the solar panels that power rovers and other instruments.
See acoustic levitation for yourself in the video below! Using only sound waves, the scientists are able to lift mock "Martian and lunar dust" off of a solar panel. Cool!


text:
How To Let Certain Unix-User To Access Only One Directory, e.g.
I want to let the following username dimension to access the following directory only /var/opt/test/reports/*
How i can make that via Unix?
The simplest way to do that is use negative ACL, i.e., explicitly forbidding user (call him *user_no*) from using any directory, except the one you mentioned.
After installing ACL, the following command
will prevent him access to your home. You must remember to block explicitly every place from you wish to bar him, but you must remember to allow use of some directorie s (/usr, /bin..) otherwise you will bar him also from using regular Unix commands.
You should also allow him use of his home directory (I do no think an account can work with that at all), and the directory you mentioned above.
Alternatively, you can chroot the account. This can be done in two ways: in the first, you only allow ssh access, in the second you chroot the shell account. The second method is more complicated, and I never tried it, so I can offer no guidance. You can Google chroot shell account. The first method is simple, just modify the file /etc/ssh/sshd_config introducing these lines at the very bottom:
This binds the user to his home directory (%h above) and ensures that he has access to internal-sftp help. Also, add the user_no to the sftp group as follows:
The important command is the second one: it makes sure the user will never get shell access.
Lastly, create a symbolic link, in the user home directory, to the directory to which you wish to allow him access:
This creates a subdirectory to which he has access, but cannot create any file, only work on the existing ones. If you want to allow him to create files, you will have to change the permissions on /var/opt/test/reports.


Are air pistols/CO2 pistols considered to be handguns under firearms laws?
05/23/2009 - Weapons - State: IA #16764
Full Question:
Various statutes govern firearms at the state, local, and federal levels. Some local Iowa jurisdictions may have an ordinance covering air guns or CO2 weapons. I suggest calling the city hall to inquire about any applicable local regulations. For further discussion, please see:
The following is an Iowa state statute:
724.1 Offensive weapons.
An offensive weapon is any device or instrumentality of the following types:
1. A machine gun. A machine gun is a firearm which shoots or is designed to shoot more than one shot, without manual reloading, by a single function of the trigger.
2. A short-barreled rifle or short-barreled shotgun. A short-barreled rifle or short-barreled shotgun is a rifle with a barrel or barrels less than sixteen inches in length or a shotgun with a barrel or barrels less than eighteen inches in length, as measured from the face of the closed bolt or standing breech to the muzzle, or any rifle or shotgun with an overall length less than twenty-six inches.
3. Any weapon other than a shotgun or muzzle loading rifle, cannon, pistol, revolver or musket, which fires or can be made to fire a projectile by the explosion of a propellant charge, which has a barrel or tube with the bore of more than six-tenths of an inch in diameter, or the ammunition or projectile therefor, but not including antique weapons kept for display or lawful shooting.
4. A bomb, grenade, or mine, whether explosive, incendiary, or poison gas; any rocket having a propellant charge of more than four ounces; any missile having an explosive charge of more than one-quarter ounce; or any device similar to any of these.
5. A ballistic knife. A ballistic knife is a knife with a detachable blade which is propelled by a spring-operated mechanism, elastic material, or compressed gas.
6. Any part or combination of parts either designed or intended to be used to convert any device into an offensive weapon as described in subsections 1 to 5 of this section, or to assemble into such an offensive weapon, except magazines or other parts, ammunition, or ammunition components used in common with lawful sporting firearms or parts including but not limited to barrels suitable for refitting to sporting firearms.
7. Any bullet or projectile containing any explosive mixture or chemical compound capable of exploding or detonating prior to or upon impact, or any shotshell or cartridge containing exothermic pyrophoric misch metal as a projectile which is designed to throw or project a flame or fireball to simulate a flamethrower.
Notwithstanding section 724.2, no person is authorized to possess in this state a shotshell or cartridge intended to project a flame or fireball of the type described in this section.
8. Any mechanical device specifically constructed and designed so that when attached to a firearm silences, muffles, or suppresses the sound when fired. However, this subsection does not apply to a mechanical device possessed and used by a person solely for the purpose of shooting a deer pursuant to an approved city special deer population control plan if the person has a valid federal permit to possess and use the mechanical device.
9. An offensive weapon or part or combination of parts therefor shall not include the following:
a. An antique firearm. An antique firearm is any firearm (including any firearm with a matchlock, flintlock, percussion cap, or similar type of ignition system) manufactured in or before 1898 or any firearm which is a replica of such a firearm if such replica is not designed or redesigned for using conventional rimfire or centerfire ammunition or which uses only rimfire or centerfire fixed ammunition which is no longer manufactured in the United States and which is not readily available in the ordinary channels of commercial trade.
b. A collector's item. A collector's item is any firearm other than a machine gun that by reason of its date of manufacture, value, design, and other characteristics is not likely to be used as a weapon. The commissioner of public safety shall designate by rule firearms which the commissioner determines to be collector's items and shall revise or update the list of firearms at least annually.
c. Any device which is not designed or redesigned for use as a weapon; any device which is designed solely for use as a signaling, pyrotechnic, line-throwing, safety, or similar device; or any firearm which is unserviceable by reason of being unable to discharge a shot by means of an explosive and is incapable of being readily restored to a firing condition.
83 Acts, ch 7, § 1; 88 Acts, ch 1164, § 2, 3; 92 Acts, ch 1004, § 1, 2; 2000 Acts, ch 1116, § 7
Please see the information at the following links:
Please see the forms at the following links:
05/23/2009 - Category: Weapons - State: IA #16764
See more Questions in the Weapons Category


text:
To improve the load-carrying capacity of steel structures there are mainly two methods of using cover-plate which are the preflex method and multi-stepwise thermal prestressing method. However a prestress applied to the top flange of H beam is less than the bottom flange because these two methods have small eccentricity. It is necessary to develop an advanced feature of prestressing method which efficiently increases load-carrying capacity and prestressing efficiency. Therefore this study proposes a cover-plate prestressing method with increased sectional stiffness and prestressing efficiency, called multi-stepwise thermal prestressing with steel brackets. To evaluate the prestressing efficiency and load-carrying capacity of the proposed method, prestressing application tests and static loading tests were conducted on three H beams. The multi-stepwise thermal prestressing method with the steel brackets had higher displacement induced to the H beam and higher tensile stress in the top flange than in a case without the steel brackets. Also, when prestress is applied, the tensile stress in the cover-plate significantly decreased with the installation of the steel brackets. The static loading tests showed that the installation of the brackets increased the stiffness, the yield load, and ultimate load of the structure, compared with an unreinforced girder, which meant higher load-carrying capacity than a conventional thermal prestressed structure without brackets.
All Science Journal Classification (ASJC) codes
- Civil and Structural Engineering
- Building and Construction
- Mechanics of Materials
- Metals and Alloys


text:
Examples of front-end evaluation products from recent projects include two reports that summarized user needs survey data.
- This report provided guidance for the development of a suite of workshops, courses, and online resources for K12 teachers of climate science.
- A survey of the global coral-interested community provided guidance to a NASA-funded project to provide high-resolution Coral Reef Watch products to users.
The final evaluation report provides summative evaluation results to project managers and the funding agency. One example is the final evaluation report for the NSF-funded Geophysical Research at Storm Peak (GRASP). Data were collected using participant surveys and interviews.
Evaluation data provides valuable information for journal articles. Two examples are as follows:


text:
A Review of the Economic Costs of the Conflict in Northern Ireland
We review the existing literature which is pertinent to the study of the economic effects of terrorism in Northern Ireland.
Chapters 2-4 broadly set the scene for the study of terrorism and economic activity in Northern Ireland. Chapter 2 begins by mapping out the chronology of major events relating to the conflict, dating back to the first civil rights march in 1968 and extending forwards to the present. This chronological summary is accompanied by a detailed discussion of the background to the conflict and of the actions of the various participant groups. Chapter 3 then builds upon this ethnographic account by presenting a detailed description of the patterns of violence between 1969 and 2009. The nature, volume and duration of violence are each explored through reference to quantitative data describing different manifestations of the conflict. Chapter 4 alters the perspective to consider the development of the Northern Ireland economy since 1945. A major contribution of this chapter, which is relevant to the empirical analysis which comes later in the report, is to highlight the fact that Northern Ireland was a relatively poor region even prior to the outbreak of violence in the late 1960s.
With the broad context to the study firmly established, Chapters 5 and 6 then follow on to consider the relevant literature on the more direct issue of the economic costs of terrorism. Chapter 5 first discusses the theoretical mechanisms by which terrorist activity might affect economic activity within a region or country, outlining the possible direct and indirect effects of a terrorist campaign. The chapter then goes on to summarise some of the existing studies which Ð in common with the present study Ð seek to apply econometric techniques to estimate the economic effects of terrorist activity. Few of these existing econometric studies cover Northern Ireland. There are, however, a number of existing attempts to quantify the economic costs of the conflict to the Northern Ireland economy; these are both summarised and critically assessed in Chapter 6.


text:
Arrange two cameras in close proximity to a subject. Then press record. Close-Up is both a formal exercise and a video series taking a literal close look at Pittsburgh artists in performance. See more in this series here.
It took conductor and violinist Alejandro Pinzón four months to teach himself the bandoneón, a bellows instrument, like the accordion and the concertina, that is essential to both Argentinian tango and Lithuanian folk music. Originally used for chord-based sacred music, the German instrument—it's named for its creator, Heinrich Band—migrated to Argentina in the late 1800s where, Pinzón explains, tango musicians adopted it, appreciating the sadness of its tone, as opposed to the brighter sound of the accordion, and because of its portability.
Unlike the accordion, which has a keyboard, the bandoneón sports buttons. These buttons are typically bisonoric, meaning that each one is capable of producing a different sound on opening and closing. Hold down a key and pull the bellows apart, and one note fills the room. Hold down the same key and push, a different note is emitted. With two distinct button arrays on each side of the squeezebox, the musician must therefore navigate four different sets of notes, making the bandoneón particularly challenging.
In the first of a two-part edition of Close-Up, Pinzón plays the tango "A La Gran Muñeca," a song first performed in Buenos Aires in 1919 as part of a musical revue about a toy store where the dolls have come to life.
Pinzon is preparing for upcoming tours in Mexico and Nevada and will be performing in the Pittsburgh area this fall.


MATLAB Answers
How to determine if two cones with vertices at origin, intersect?
Asked by Doctor61
on 6 Feb 2013
Accepted Answer by Sven
Suppose I have two different sets of data points in 3d, that each are in a different tilted plane (different theta,phi,r of normal). I manage to find the enclosing circle for each of these sets of points (center and radius). Now imagine a solid angle (cone) with the vertex at origin and base at the enclosing circle. So I have two cones that have different heights, and their middle axis is at a different theta and phi. Now how can I figure out if these cones have any overlap (intersection) or not? And also if they are not overlapping how close are they, this is rather complicated to define and I still haven't figured out a suitable proximity measure. But maybe you guys out there have some ideas?
 1 Comment
Cedric Wannaz
on 6 Feb 2013
EDIT: discard this comment; I wrote it before realizing that your cones have both their tip at the origin.
You will probably find a lib. that does it, but if you had to do it "by hand".. you could start by computing the distance between the axes of both cones. This is done by computing the scalar product between a vector made of two arbitrary points from the two axes respectively and a unit vector orthogonal to the two axes. You get the latter by normalizing the cross product between two arbitrary directional vectors defining the two axes.
It would not be too complicated then to find radii of both solid angles at closest locations between the two axes. However, what you call "overlapping" is vague. If the two cones have an intersect, its geometry will be quite complicated.
No products are associated with this question.
1 Answer
Answer by Sven
on 7 Feb 2013
Edited by Sven
on 7 Feb 2013
 Accepted answer
Hi again Doc,
First thing you can do is check the dot product between the normal vectors of both cones' planes. If the dot product is less than zero, the cones cannot intersect. If the dot product is one, then the cones must intersect.
An easier way to think about "nice" 3D shapes (like cones) is to ask if it can project to 2D. In this case, happily the problem can be reduced to 2D.
You've got two "plane normal vectors" that intersect at the origin. This means they are co-planar. If you find this plane (which is straight forward with a couple of cross products), then project the outline of the cones onto this plane, you've reduced the problem down to a question of "does triangle A intersect triangle B".
Or, more simply:
 - Get the "apex angle" of each cone/triangle from its normal vector
 - Get the angle subtended between the normals of each plane
 - If the sum of the apex angles is greater than this subtended angle, your cones/triangles intersect.
So, let's say you know a few things:
1. The unit vectors of each plane's normal vector:
zVec1 = rand(1,3); zVec1 = zVec1/norm(zVec1)
zVec2 = rand(1,3); zVec2 = zVec2/norm(zVec2)
2. The "height" of each triangle (ie, the distance from your cone plane to the global origin:
ht1 = 10
ht2 = 7
3. The "width" of each triangle (ie, the radius of each cone):
wdth1 = 2
wdth2 = 3
Now you've got all you need to calculate the apex angle of each cone (ie, between the cone wall and the normal vector):
ang1 = atand(wdth1/ht1)
ang2 = atand(wdth2/ht2)
And the angle between the two plane normal vectors:
twoVecDotProd = dot(zVec1,zVec2)
angBetweenNormVecs = acosd(twoVecDotProd)
Now you've got your result:
conesIntersect = twoVecDotProd>0 && ang1+ang2 >= angBetweenNormVecs
Does that work for you?
on 7 Feb 2013
Hi Sven, thanks again for your valuable help.
This method is a very smart solution to my problem. But I have tried it on some random samples and it seems it does not perform correctly. BTW I have two questions about it: first, when you say "width of each triangle (ie, the radius of each cone)", do you basically mean the diameter of the circles I have as the base of the cones? Cause later you divide it by 2, in order to find the apex angle.
Also, I am a bit confused why you chose the inequality so that there is an intersection when ang1+ang2 is larger than angBetweenNormVecs, I would have assumed the opposite. Needless to say, I tried the opposite too and in some random runs it yields a wrong answer.
on 7 Feb 2013
Oh, sorry, yes, I meant "diameter". I've updated the solution above to use the word "radius" and to not divide this by two.
on 7 Feb 2013
Think of it this way, when angBetweenNormVecs is very small, the cones are pointing in the same direction and are more likely to intersect. When the ang1 or ang2 of the cones gets larger, that means that the cones are covering more space, and are similarly more likely to intersect. The greater-than sign is pointing the right way, and I'm quite confident that the above algorithm works correctly.
Anyway, it will always be better to show a specific example (with code to set up your zVecs/hts/wdths) rather than say that random samples don't work...
Thanks, Sven.
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Question:The United States has a lot of helpful databases to identify Environmental Justice communities, are there similar tools being used in Canada?
by amocorro | May 27, 2021 19:50 | #26728
Examples of some helpful (though not perfect) databases that illuminate common markers and metrics used to identify Environmental Justice communities in the United States are (not exhaustive list):
[Federal] US Environmental Protection Agency's EJSCREEN and Mapping Tools _URL_
[Federal] US Census Bureau _URL_
[State level]
WASHINGTON _URL_
CALIFORNIA _URL_
MINNESOTA _URL_
QUESTION CONTINUED: Once we go international, these markers and metrics shift based on the country, their place-based concerns, and their governance structures. What environmental justice databases exist for Canada?
A note about governance terminology: In Canadian English, the term government is used to refer both to the whole set of institutions (executive, legislative and judicial powers) that govern the country (just as in American English, whereas in British English, the term used is state) and to the executive branch (just as in British English, whereas the term in American English would be administration). When the word is capitalized, as in "Government of Canada", it always refers to the executive branch.
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text: A rare and little-studied species, much of the blue shiner's biology is, as yet, undescribed. However, like many other related species, the blue shiner is believed to feed on a variety of terrestrial insects floating on the water surface, often foraging around river margins with overhanging vegetation. This species has a relatively prolonged breeding period, from early May through late August, suggesting females produce multiple clutches each season (5). In common with other shiners, males probably attract mates by defending territories and using courtship displays, with spawning taking place in a cavity in submerged wood (4) (5). The juvenile fish grow to reach maturity at around two years of age, and have a lifespan of three years (2) (4).


text:
IZA DP No. 4108: The Gender Education Gap in China: The Power of Water
We investigate girls' school dropout rates, bringing forward a novel variable: access to water. We hypothesise that a girl's education suffers when her greater water need for female hygiene purposes after menarche is not met because her household has poor access to water. For testing we use data from rural villages in the China Health and Nutrition Survey. We find that menarche is associated with an increase in the school dropout rate, and indeed the effect is weaker for girls who have good access to water. Water engineering can thus contribute significantly to reducing gender education gaps in rural areas.


text:
The human mind has the power to overcome indifference and anxiety by shifting thoughts. By redirecting our attention and ignoring distractions, we realize how minor things can cause great distress. The One Thing explores a path, or way to live with a clearer perspective. Seeking simplicity in a complex world can be achieved and Wayne Holland offers his perspective to change thinking.
The One Thing: The Ultimate Secret gives a straightforward approach to life. This book offers a description of existence, how it came to be, and the future of a very complex development, human thinking. The One Thing maintains that ideas are a natural feature of the universe. Concepts formed in minds follow paths of growth and decay. Ideas come and go just like all other universal events.
The dynamic known as "human thinking" eventually succumbs like stars in the night sky. Thoughts can disappear by shifting your focus into the more significant facet of life. Yet, the day will come where human thinking faces forces that destroy it. Holland discusses the efforts at the time to develop artificial intelligence. The One Thing mentions that AI was the first step along the way that ultimately leads to the end of human thinking.
Peek in on the ultimate secret and view the Contents of this book on the product page. You can find the preview by clicking on Resources and Downloads.
eBook – Kindle, eBook – Apple, Paperback
Green Dragon Books


text:
The Gigantic BirdLogic puzzles require you to think. You will have to be logical in your reasoning.
The three rowed their boat towards the ship. Even before they were half-way there, a gigantic bird swooped down on them and plucked them up. They were carried to a distant land where they were deposited in a nest high in a tree.
From the statements that follow, what was the wing span of the gigantic bird and how far did it carry the three sailors?
1. If the wingspan of the gigantic bird was either 20 or 30 metres wide, it carried the three sailors for 50 leagues.
2. If the gigantic bird carried the three shipmates 75 leagues, its wingspan was not 40 or 50 metres wide.
3. If the wingspan of the gigantic bird was 40 or 50 metres wide, it carried the three sailors 75 leagues.
4. If the gigantic bird's wingspan was not 40 or 50 metres wide, then it was 20 or 30 metres wide.
AnswerThe bird's wingspan was 20 or 30 metres wide; it carried the shipmates 50 leagues.
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text:
- Should she remain or move on?
- The man is explaining why he made a particular decision. Is he being truthful?
- What does the brunet's body language say?
- The blond should leave. If the brunet would have turned her feet (to point towards you the viewer), the other woman would have been welcomed into the group. She didn't so this is a private matter.
- With his palms exposed and by forcefully gesturing while making his point, he feels he's telling the truth as he knows it.
- She'd rather not be involved in this conversation. Three indicators: her distance from the man, her lean away from him, and her hands protecting her torso. Her smile is simply a "cover" and the least reliable of the cluster of gestures.


text:
- This event has passed.
Habitats for Homeschoolers : Ecosystem Exploration
August 21 @ 10:00 am – 12:00 pm
Everything is in an ecosystem, and 8 different ecosystems combine to create the Colorado that we know and love. Tour the ecosystems surrounding the Audubon Center, learn about other ecosystems located in our state, and play a fun game to learn about how ecosystems are connected, and how we can keep them healthy!
Meeting Place: Audubon Center at Chatfield (11280 Waterton Rd. Littleton CO 80125)
Registration Required: Cost: $7 per member student, $9 per non-member student (1 adult complimentary per 2 children)


text:
This paper provides an overview on the state of art of research on social entrepreneurship and the establishment of this topic in the academic world. It uses scientometric methods, especially bibliometrics, in measuring the maturity of social entrepreneurship research. The empirical part reveals the increasing number of literature, the institutionalization of social entrepreneurship in seven dimensions, the emergence of thematic clusters, and methodological issue. The paper makes concrete suggestions on how to overcome methodological challenges at the boarder of advanced qualitative and early quantitative research designs. Using Harzing's 'Publish or Perish' software this article furthermore provides a ranking of the 20 most cited academic contributions in social entrepreneurship. Surprisingly, almost half of the most cited papers have not been published in journals but in books, rising doubts on the current (over-)rating of journal publications.
Social entrepreneurship bibliometric study citations review organizational establishment academic institutionalization development of empirical measurement scales


text:
One of the mysteries of the English language finally explained.
An order for the demolition of buildings.
- 'The authority has now agreed to demolish the houses under a compulsory clearance order, after the owners refused to renovate or sell them on.'
- 'No avoidable delay occurred in my Department between the making of the clearance order and the confirmation thereof.'
- 'Four days later, he signed the first clearance order, which provided for the demolition of unfit houses in the town.'
- 'Once a high and wide route is established, the clearance order for the movement follows.'
- 'A slum clearance order was challenged because civil servants, acting on behalf of the minister, had conferred with local officials and heard additional evidence after a public inquiry had ended.'
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.


text:
Balance Is the Key to Success
Balance is one of the most important elements in the game of bowling. If a bowler does not maintain balance they will struggle to hit a target and maintain consistency.
To maintain lower body balance, keep the back toe on the floor.
To maintain upper body balance, keep the chin towards the sliding knee. For extreme cases, the bowler may need to feel as though the chin is over the sliding knee (in feeling only).
Learn more about balance by clicking here.


text:
Tiguan Takes on the B Cycle for Improved Fuel Efficiency
If you're a powertrain engineer (or someone who has a particular interest in efficient engines), you undoubtedly know about the Atkinson cycle. After all, that was developed back in 1882.
And then there's the Miller cycle, which was patented by Ralph Miller in 1957.
But there's a cycle that is being used by the Volkswagen Group—first Audi, in a longitudinal application for the current generation A4, now VW for the all-new Tiguan SUV in a transverse setting—that's comparatively fresh and efficient.
It's called the "B cycle," named after VW Group's Dr. Ralf Budack, who is with the Advance Development Charge Cycle/Thermodynamics group.
This system in the 2018 Tiguan application, explains Marcel Zirwes, manager, Powertrain Product Management, Volkswagen of America, is based on the company's EA888 four-cylinder engine architecture, which debuted in the 2009 VW CC. But the engine is been modified, so that this third-generation version, a 2.0-liter engine, is designated with "EA888 Generation 3B," with the "B" standing for Dr. Budack.
In the Budack cycle, the intake valves are closed much earlier than is ordinarily the case, thereby resulting in a case where the cylinder is not filled 100 percent. But this is highly compressed—11.7:1—thanks, in part, to a modified piston crown, so that there is improved mixing of the fuel and the air in the cylinder. Then there is a longer expansion phase (which led to a redesign of the intake ports, valves, and combustion chamber, as well as the pistons).
The objective is to gain greater efficiency and power for the turbocharged engine. The engine is rated at 184 hp and 221 lb-ft of torque.
While the EPA estimates are not, at the time of this writing, available, Zirwes says that the engine will provide "1.8-liter power with 1.4- to 1.5-liter efficiency."
Wait a minute, you might think. This is a 2.0-liter engine and he says that it provides the power of a 1.8-liter engine?
That's right. But Zirwes goes on to explain that the objective was to create an engine that has better fuel efficiency but still high levels of torque, which is the kind of thing that people are looking for in crossover vehicles like the Tiguan. Zirwes says that there is a reduction of friction on the order of 8 percent in the engine, which can be thought of in the context of improved fuel efficiency.
However, there are situations where there is not just regular street driving, which is where the B cycle is most effective, but a need for more performance. So the engine also features a variable valve timing system on the intake camshaft so that when there is greater load, there is 30 degrees more camshaft angle than is the case when in the fuel optimization mode (170 degrees vs. 140 degrees).
According to Zirwes, the approach they're now taking at VW in terms of powertrains is what they're calling a "rightsizing" strategy versus the "downsizing" that has long held sway in the industry. The company is using turbochargers, which has been part of the commonly used phrase: "downsized, turbocharged engines." But, he says, this combo has "reached the optimized level," explaining, "A further tradeoff without cycle optimization would be less power at one point or more 'peaky' power where you have more turbo-lag if you reduce the displacement more and more. The Volkswagen philosophy is to optimize the current engine with further fuel reduction technology like this B cycle."
Given that the Tiguan is a reasonable large (though compact) crossover, measuring 185.2 inches long, 72.4 inches wide and 65.3 inches high, given that it is available with an all-wheel-drive system and a third row, there is a non-trivial amount of mass to be moved. So with the "rightsizing" strategy, it isn't just about reducing the size of the engine in order to achieve better fuel efficiency, because with that comes less power, which would not necessarily be appealing in situations like merging onto a freeway.
That's one of the key reasons why the B cycle is being put in play. And when asked why not simply take the 1.8-liter engine that's available (for now) in the Passat, Jetta, Beetle and Golf vehicles and apply Budack's approach to it, Zirwes says that there would comparatively small savings in fuel, but a concomitant reduction in power. Which wouldn't necessarily be a good thing for the Tiguan.—GSV
Mercedes has been putting diesels in vehicles since 1926. It has been offering them in the U.S. since 1949. And 2013 is seeing a range of offerings, including in its popular GLK SUV.
Hyundai's product onslaught continues with a new compact that's bigger, more stylish and more efficient than its predecessor. And its development cycle is faster than the competition.
The Mazda CX-5 first appeared on the scene in 2012, and for 2017, the vehicle has undergone some major transformations, to enhance what was already a notable small crossover.


text:
Telemetry and data collection are Windows 10 features that collect all data considering your PC's performance and information about the problems that may occur by its use. These are the functions that Microsoft uses for the easier finding of the vulnerabilities and weaknesses on the Windows 10 and faster creation of patches and updates that would sort does issues.
In theory, this story sounds legit; however, knowing that such behavior is also adopted by social media, browsers, search engines, etc., it makes you wonder if everything is as they are telling you, or there is more to the story. Whatever the reason, and no matter if their intents are good, or bad, the positive thing is that this type of data collection can be prevented on Windows 10 machines, and it can be managed fast.
How to Disable Telemetry and Data Collection on Windows 10
If the disabling of telemetry and data collection is what you need, this guide will help you with that, and all you need to do is follow the guidelines:
How to Disable Telemetry and Data Collection on Windows 10 by Changing Settings
One of the easiest and most adopted ways of turning off telemetry and data collection is managed through the Windows 10 Settings:
- To manage that, you first need to enter Settings, by left-clicking on the Start
and selecting Settings from the drop-down menu.
- After that, go to Privacy
and then to Diagnostics & Feedback, located on the left side pane.
- Here, change the Diagnostic data to Basic and the majority of your work is done.
- If you want to make things even safer, go to Activity history
and make sure that the squares next to "Store my activity history on this device" and "Send my activity history to Microsoft" are unmarked.
- Also, enter Inking & Typing personalization
and make sure that the toggle under "Getting to know you" is off.
- After that, enter Speech
and move the toggle under "Online speech recognition" to off.
- In the end, enter the General tab
and move every toggle under "Change the privacy options" to off, and there you go.
How to Disable Telemetry and Data Collection on Windows 10 with the Registry Editor
If stopping the data collection and telemetry in the Windows 10 settings doesn't satisfy you and you want a more secure way to do it, disabling these functions in the Registry Editor is the thing for you:
- First, press Windows key + R on your keyboard, type "regedit", in the newly opened window, and then click on OK.
- Once the Registry Editor opens, follow this path: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DataCollection, in the sideboard pane.
- When the DataCollection folder opens, right-click the empty space and select new.
- In the drop-down menu select DWORD value (32-bit)
and name the newly made file AllowTelemetry.
- Now, double-click the newly made file, or left-click on it and select Modify.
- Set the Value data to 0, press OK, and your job is finished.
How to Disable Telemetry and Data Collection on Windows 10 using Group Policy
Another way of disabling telemetry and data collection is with the help of Group Policy, and it includes the following steps:
- To begin with, call in the Run command, by holding Windows key + R on your keyboard.
- Once it opens, type "gpedit.msc" and press OK.
- Follow this path: Computer Configuration\Administrative Templates\ Windows Components\Data collection and Preview Builds, in the sideboard pane.
- When the Data Collection and Preview Builds folder is opened,
go to "Allow Telemetry" and double-click on it.
- Select "Disabled" in the newly opened window,
press Apply and that is it.


Meaning of chhed in english - Chhed meaning
Meaning of chhed in english
Interpreting chhed - छेद
Suggested : the organ of sight, in vertebrates typically one of a pair of spherical bodies contained in an orbit of the skull and in humans appearing externally as a dense, white, curved membrane, or sclera, surrounding a circular, colored portion, or iris, that is covered by a clear, curved membrane, or cornea, and in the center of which is an opening, or pupil, through which light passes to the retina a puncture made by a needle, thorn, or the like an opening through something gap aperture the act of piercing or perforating, as with a pointed instrument or object an opening, as a hole, slit, crack, gap, etc
Exampleछेद का हिन्दी मे अर्थSynonyms of chhed Antonyms of chhed
Word of the day 5th-Aug-2021
Usage of छेद:
1. आईफोन 7 खरीदने वाले कई उपभोक्ताओं ने अपने नए फोन को ड्रिल मशीन से छेद डाला हैamarujala.com2. यूट्यूब पर मजाकिया वीडियो देख आईफोन 7 को ड्रिल मशीन से छेद डाला amarujala.com3. हम तुममे इतनी छेद करेंगे कि कन्फ्यूज़ हो जाओगे कि सांस कहाँ से ले और..'जैसे धमाकेदार डायलॉग वाले 'दबंग' के चुलबुल पांडे ने आज से ठीक 6 साल पहले ही धमाल मचाना शुरू किया था और आज तक उनके प्रति दीवानगी का सिलसिला जारी हैlivehindustan.com
1. These cards are the player's hole or pocket cards. 2. Lack of melanin in the eye also results in problems with vision 3. A hole is classified by its par 4. Mujib was withdrawn from school in 1934 to undergo eye surgery 5. The opening of the Woodlands Extension introduced bolder pieces of artwork 6. wool wad or Lanice floss, The most part coarse wool 7. The type B plug has two flat parallel blades like type A 8. D'Where does the excitement when I see you? Fig 9. Absolutely, Which is affected can touch 10. Finally, Marines generally consider it an insult to be called a "soldier"
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Budworm Tracker
The Budworm Tracker Program (BTP) is a community science program that helps monitor spruce budworm moth populations throughout the vast forests of eastern Canada.
With the current spruce budworm outbreak looming to the north in Québec, HFP researchers and volunteers are working together to track outbreak rise and spread in Atlantic Canada. Volunteers are located across the six eastern Canadian provinces, in the state of Maine, and even on the small French island of St. Pierre de Miquelon.
In a nutshell, volunteers receive a free BTP kit with a pre-assembled moth trap in early summer. They then hang the trap in a tree near their residence and collect the trapped moths at least once per week (or more often if they are willing and able).
At the end of summer, once moths have completed their flight period, volunteers place all collected moths and data into a pre-paid envelope and drop it off at their local post office. These packages come directly to our labs where we can process and analyze the results
Why we need your help
Despite decades of research, we remain uncertain about what impact dispersing spruce budworm moths have on outbreak spread. Our Budworm Trackers play a major role in providing the data needed to resolve these mysteries. You might be wondering, "Are there many spruce budworm moths in my woodlot/forest/backyard? Are they from local populations feeding on local trees, or are they dispersers that have flown in from distant outbreak areas?" We share your curiosity and concerns. By joining us, together we can try to answer these and other questions.
Where we need new trackers


here why does mother cat move only one kitten
Take note that a mother cat can reject any of its kittens for some reason. And when this happens, you should take care of the kitty to ensure that it will survive.
Are runts always born last?
Most of the time, runts are the ones born last because they are also conceived later than other litter members. This makes them weaker and smaller, with some having underdeveloped skeletons and body organs.
However, the runt doesn't have to be born last all the time. There are instances when runts are born ahead of other healthy kittens. This is the reason why the birth order isn't used to define which one of the kittens is the true runt.
Knowing how to tell if your cat is a runt goes beyond the notion of which kitten is born last. You have to check the kitten's size and health to identify the weakling among the group. Despite their weaker bodies, runts can survive and become beautiful cats. Giving the weakest littler member a chance in life is one of the greatest joy of being a cat owner.