Sentences with phrase «makes nitrogen compounds»

A second factor makes nitrogen compounds explosive: the newly formed nitrogen molecules form a gas, which can expand very quickly and form a shock wave.

Not exact matches

Beijing has been battling an unwelcome, unrelenting and «very unhealthy» smog for many months, much of it made up of particulate nitrogen compounds suspended in the air.

Matula says this sudden illumination happens because during the first bout of sonoluminescence, temperatures in the bubble, which can be as high as several hundred thousand degrees — hotter than the sun's surface — do something to nitrogen and oxygen to make them form compounds such as nitrous oxide that dissolve in the surrounding water.

But here's the rub: Chemical companies turn nitrogen found naturally in the atmosphere into ammonium and nitrate compounds that make up fertilizer.

Like vehicles and power plants, trees emit airborne chemicals called volatile organic compounds (VOCs), which in the presence of sunlight react with nitrogen oxides in vehicle fumes to form ozone, one of the components in smog that makes it a health threat.

«Carbon easily forms triple bonds, nitrogen easily forms triple bonds,» says Holger Braunschweig of the Julius Maximilian University of Würzburg in Germany, who led the team of researchers that made the compound.

They have also found components used to make DNA, the molecule that carries the instructions for how to build and regulate a living organism, as well as other biologically important molecules like nitrogen heterocycles, sugar - related organic compounds, and compounds found in modern metabolism.

All life forms on Earth use the same genetic alphabet of the bases A, T, C, and G — nitrogen - containing compounds that constitute the building blocks of DNA and spell out the instructions for making proteins.

The researchers tested a variety of solutions containing the soil bacteria Geobacter sulfurreducens and Thiobacillus denitrificans, which thrive by eating acetate (an organic compound that makes vinegar sour) and nitrate (a negatively - charged molecule of biologically available nitrogen and oxygen), respectively, when they can find a spare electron or two.

Some microbes have evolved proteins called nitrogenases that can split apart nitrogen molecules in the air and weld that nitrogen to hydrogen to make ammonia and other compounds that plants can absorb to get their nitrogen.

The near - infrared mapping spectrometer on NASA's Galileo spacecraft found evidence of the presence of molecules made of oxygen, carbon, sulfur, hydrogen, and nitrogen on Europa, and a hint of the presence of a class of complex organic compounds called tholins which may be driven by pre-biotic processes (more).

Ammonia is a compound made from the elements nitrogen and hydrogen.

Oxygen, in combination with hydrogen, is found in water and in many other compounds: so is carbon, nitrogen and sulphur, the elements from which proteins and other cellular components are made.

Mingce Long and Deyong Wu say their fabric uses a coating made from a compound of titanium dioxide,... Their report describes cotton fabric coated with nanoparticles made from a compound of titanium dioxide and nitrogen.