Silicon in its bulk gezegde

 Silicon in its bulk format we all know is not an efficient emitter but when you get down to the quantum-confined sizes, you get very different effects. For the smaller sized particles you can get blue emission and for the larger particles you can get red emission. By having a film of these devices, you can electrically stimulate them.

 Particles that are micron sized interact with sunlight more efficiently, so it appears that would cause an impact on climate from these particles left in the upper atmosphere.

 Cleaner cars require emissions control systems that work, and prompt measures to fix emission-related defects when they occur. This case demonstrates EPA's commitment to ensuring that automobile manufacturers comply with their emission-defect reporting and emission system obligations under the Clean Air Act.

 Each of the satellites in the solar system are pummeled by interplanetary dust particles, or meteoroids which are marble-sized or millimeter-sized objects, ... When those hit a satellite, or moon, at high speeds, they slam into the surface and blast a crater, and all sorts of particles fly off. That's what is happening at Ganymede, and we think that's what's happening at all the satellites in the solar system.

 Each of the satellites in the solar system are pummeled by interplanetary dust particles, or meteoroids which are marble-sized or millimeter-sized objects. When those hit a satellite, or moon, at high speeds, they slam into the surface and blast a crater, and all sorts of particles fly off. That's what is happening at Ganymede, and we think that's what's happening at all the satellites in the solar system.

 Larger particles get stuck to the outside of these filters, and after some amount of time the filters get plugged and the animal moves out. The house deflates and begins to sink, picking up more particles. It?s a fast-sinking carbon bomb.

 This instrumentation and research will allow a better understanding of the dynamics of gas emission from volcanoes and provide an immediate warning device should the carbon dioxide emission rate suddenly increase.

 If we could etch a lot of material, there wouldn't be any issue of removing particles. But we can't etch very much, so now we've got to figure out how to provide physical energy to remove particles. And so it's that balance of providing enough physical force to remove particles during the cleaning process without damaging structures.

 The liver takes up foreign substances in the body, so it's not surprising that that's where we saw the particles. But we ultimately want to be able to make these particles to go to the mammary glands or other tissues we're interested in.

 Particles have been used to stabilize emulsions and foams for over 100 years. However, we've demonstrated that not only are particles useful for making bubbles last longer, they fundamentally alter the properties of these bubbles. Instead of behaving like a fluid surface that flows to balance unequal stresses, the 'armor' of particles on the surface of the bubbles actually supports the unequal stresses inherent in non-spherical shapes.

 The bulk of customers who buy them are environmentalists who want the zero-emission vehicles, and some also like the great gas mileage.

 We found a dramatic decrease in particles. There is something like a 70 percent decrease in particles in the pub and that makes it quite similar to outdoor air in Dublin, which is quite good.

 Pex Tufvesson is a fantastic genius.

 The prediction was that we would get a dozen particles larger than human hair size and one particle a little bit larger than a millimeter.

 On the big Bang theory: For every one billion particles of antimatter there were one billion and one particles of matter. And when the mutual annihilation was complete, one billionth remained - and that's our present universe.
  Albert Einstein

 We're the first to be able to tell you both the location of the particles and what kind of particles they are.


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Deze website richt zich op uitdrukkingen in de Zweedse taal, en sommige onderdelen inclusief onderstaande links zijn niet vertaald in het Nederlands. Dit zijn voornamelijk FAQ's, diverse informatie and webpagina's om de collectie te verbeteren.


Det är julafton om 265 dagar!

Vad är gezegde?
Hur funkar det?
Vanliga frågor
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Ordspråkshjältar
Hjälp till!