Liquid nitrogen is nitrogen in a liquid state at an extremely low temperature.

It's nitrogen narcosis.

Scientists now estimate that somewhere close to 50 of climate change is being caused by gases and pollutants other than CO2, including nitrogen compounds, low level ozone formed by pollution, and black carbon.

In either case, the aim is to produce nitrogen gas, rather than nitrogen oxides.

In chemistry, N represents the element nitrogen.

Now the one thing that I forgot to mention, is that to obviate the problem of the nitrogen narcosis all of those blue dots in our body you remove the nitrogen and you replace it with helium.

) This is typically done with chlorine and nitrogen gas.

This can be used to identify denitrification processes in nature.

An analogous process for organic nitrogen compounds is deamination.

Nitrogen fixation by cyanobacteria in coral reefs can fix twice the amount of nitrogen than on land around 1.8 kg of nitrogen is fixed per hectare per day.

In contrast to phenolics, quaternary ammonium compounds are not very effective in the presence of organic compounds.

In the '60s already, through the green revolution and the Haber Bosch process of fixing nitrogen from the atmosphere you know, human's today take out more nitrogen from the atmosphere than the whole biosphere does naturally as a whole.

Protein molecules contain nitrogen atoms in addition to carbon, oxygen, and hydrogen.

Steps are being taken to modernize existing launch vehicles and to develop more advanced ones in order to guarantee reliable access to space exploration.

Charles Elachi on the Mars Rovers

And if we see the nitrogen dioxide and oxygen, I think we have the perfect E.T.

The amount of nitrogen and sulfur circulating through the Earth system has doubled.

Carbon from the oil can diffuse into the steel, making the surface very hard.

In other words, I ve taken off the shelf components, and I ve made a spectroscope.

The alloying elements tend to form either compounds or carbides.

And the problem, the limitation of diving with air is all those dots in your body all the nitrogen and all the oxygen.

Lighter isotopes of nitrogen are preferred in the reaction, leaving the heavier nitrogen isotopes in the residual matter.

The excited molecular nitrogen (atomic nitrogen being rare due to high stability of the N2 molecule) plays its role here as well, as it can transfer energy by collision to an oxygen atom, which then radiates it away at the green wavelength.

Auroras and the atmosphere Auroras result from emissions of photons in the Earth's upper atmosphere, above , from ionized nitrogen atoms regaining an electron, and oxygen atoms and nitrogen based molecules returning from an excited state to ground state.

And then through the various years we invented various vehicles.

Organic reactions Organic reactions are chemical reactions involving organic compounds.

There went up with him both chariots and horsemen. It was a very great company.

I have compared you, my love, to a steed in Pharaoh's chariots.

And there went up with him both chariots and horsemen and it was a very great company.

I have compared thee, O my love, to a company of horses in Pharaoh's chariots.

When the plant dies, the fixednitrogen is released, making it available to other plants and this helps to fertilize the soil.

Like other beans, it hosts bacteria that fix nitrogen in the soil.

This design lowers the emissions of both nitrogen oxides (NO x ) and carbon dioxide (CO2).

He made clear distinction between sodium carbonate and potassium carbonate, and drew attention to the poisonous nature of copper compounds, especially copper vitriol, and also lead compounds.

This is due to a decrease in the emission of CFCs and, particularly, to a stabilization of HCFC emissions between 2002 and 2015.

The nitrogen just sort of floats around in our blood and tissues, and that's all fine, that's how we're designed.

Just six elements carbon, hydrogen, nitrogen, oxygen, calcium, and phosphorus make up almost 99 of the mass of a human body (see composition of the human body for a complete list).

They stole weapons and several police vehicles.

The use of higher payload commercial vehicles was also identified.

Both militia contingents included technicals.

The estimated requirements for training for the period from 1 July 2005 to 30 June 2006 are as follows

Hydrochlorofluorocarbon, chillers and destruction technologies

He also noted that emissions came from a variety of sources, including direct emissions, but a significant global warming contribution from these sources came from leakage or deterioration from banked material, i.e. substances contained in existing systems, stockpiles, and newly installed equipment.

It is the spectrum of a planet like Earth, showing a presence of nitrogen dioxide, as a clear signal of life, and oxygen and ozone.

He observed that mixtures of alkali metal oxides and carbon react at high temperatures with nitrogen.