Sentences with phrase «which nitrogen gas»

Nitrogen - fixing bacteria are the chief means by which nitrogen gas in the air is changed into a form that plants and animals can use.

Not exact matches

A drop of liquid nitrogen is released into the can, which immediately flashes off into nitrogen gas.

The tool is part of CSWA's online Sustainable Winegrowing Self - Assessment and Performance Metrics system, the latter of which measures, manages and tracks energy, water and nitrogen use, and greenhouse gas emissions.

The Golden State is at the vanguard in the United States in reducing auto emissions of nitrogen oxide gases, which help produce toxic smog and acid rain.

There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.

View a slide show of the world's first carbon capture and storage facility in operation The small stream of flue gas travels to the carbon - capture unit through plastic pipes reinforced with fiberglass and is cooled to between — 1 and 21 degrees Celsius from the 55 - degree C temperature at which it emerges from the other environmental technology add - ons that strip out the fly ash, sulfur dioxide and nitrogen oxides.

Secondly, nitrogen can be converted to nitrous oxide, which is an extremely potent greenhouse gas.

Using different bacteria but the same overall setup, the researchers later turned nitrogen gas into ammonia for fertilizer, which could offer a more sustainable approach to the energy - guzzling method used for fertilizer production today.

In these anoxic environments, anaerobic bacteria feast on the decaying phytoplankton, and in the process cause the denitrification of nitrate into nitrogen gas, which can not be used as a nutrient by most phytoplankton.

In samples of fine - grained deposits and drilled mudstone, the Mars rover Curiosity discovered «fixed» nitrogen — a chemical form in which the ultrastrong bond in nitrogen gas, or N2, has broken.

The new method — called the Alternative Pyroshock Test — used a nitrogen - powered gas gun to shoot a 100 - pound steel projectile into a steel resonant beam, which then transfers energy through a resonant cone attached to the part being tested.

First, engineers reduce the volume of the gas by cooling it to the temperature of liquid nitrogen (196 degrees C), which is easier to attain than liquid - hydrogen temperatures.

Fuels derived from natural gas burn more cleanly than those derived from crude oil because they don't contain components like nitrogen, sulfur, or carbon arranged in rings, which are notorious air pollutants.

They are not like the oxygen molecules or the nitrogen molecules in the atmosphere, which do not absorb infrared, but the greenhouse gases do.

When hydrocarbon - based fuels like methane are burned in normal air, nitrogen gets mixed in with the combustion product — flue gases from conventional gas power stations contain as little as 3 percent CO2 — which makes scrubbing carbon from power plant emissions difficult and expensive.

Thus, in addition to the so - called «Haber - Bosch process of nitrogen fixation,» nitrogenase also stimulates a reaction corresponding to the «Fischer - Tropsch synthesis of hydrocarbons,» which can be used on a large scale to synthesize fuels, for instance from industrial waste gases..

He adds that only few projects have been implemented and highlights the ones based on nitrogen injection to maintain pressure in the Cantarell and Ku - Maloob - Zaap complexes and the use of steam at Samaria Neogene to lower the viscosity of extra-heavy oil which allows it to flow with more ease, plus some pilot tests with chemicals and gas fields.

«A bioreactor containing anaerobic methane and ammonium oxidizing microorganisms can be used to simultaneously convert ammonium, methane and oxidized nitrogen in wastewater into harmless nitrogen gas and carbon dioxide, which has much lower global warming potential.»

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.

Among biogenic volatile organic molecules is a class of compounds called monoterpenes, which react with ozone, hydroxyl radicals, nitrogen oxides, and other gases in the atmosphere.

In the mid-1980s, the company teamed up with another, Lean Burn Associates, to add a second component: a system which recirculates some exhaust gases into the air intake, which reduces emissions of oxides of nitrogen.

A major culprit is fertilizer manufacture, which takes nonreactive nitrogen gas in the atmosphere and turns it into ammonia via the so - called Haber - Bosch process.

This anthropogenic addition of nitrogen has reached a magnitude comparable to about half of global ocean nitrogen fixation (the natural process by which atmospheric nitrogen gas becomes a useful nutrient for organisms).

The answer is that before the sunlight reaches Earth, it first has to travel through our atmosphere, which is a layer of gas made up of tiny molecules of mostly nitrogen and oxygen that surrounds our planet.

Their findings have been recently published in EPJ D and are particularly relevant for the development of novel applications in medicine, health care and materials processing because they involve air at normal atmospheric pressure, which would make it cheaper than applications in inert gases or nitrogen.

One such gas is nitrogen trifluoride (NF3), which is used to make retail items like microchips and flat - screen TVs.

By producing more food on less land, it may be possible to reduce these emissions, but this so - called intensification often involves increasing fertilizer use, which can lead to large emissions of nitrogen - containing gases that also contribute to global warming.

Once in the atmosphere, the charged particles interact with gas particles, including nitrogen and oxygen, which triggers bursts of light.

The gas is only found in trace amounts in Earth's atmosphere (which is mostly made up of nitrogen and oxygen), even though carbon is the primary basis for life on our planet.

Ultraviolet light from the distant Sun causes the surface ice — which is composed of nitrogen, carbon monoxide and methane — to turn into a gas.

The hot gases mingle with AdBlue, which breaks down into ammonia, which then splits nitric oxides down into nitrogen and water.

Usually contains platinum, palladium and / or rhodium, which acts as a catalyst in a chemical reaction that converts unburned hydrocarbons, carbon monoxide and oxides of nitrogen into water vapor, carbon dioxide and other gases that are less toxic than untreated exhaust fumes

The test car had a fault in its complex suspension system, which consists of nitrogen - gas - pressurized hydraulic struts, air springs with automatic leveling and damping control.

The systems employed by BLUETEC serve in particular to reduce nitrogen oxides (NOx)-- the only constituent part of the exhaust gases which, due to the design of the diesel, inherently lies above the value for petrol engines.

To reduce nitrogen oxide emissions, Mercedes - Benz first uses dual electrically controlled and cooled exhaust gas recirculation (EGR) which, depending on engine operating conditions, redirects up to 40 % of the exhaust gases back into the cylinders.

In the hot exhaust gas, the solution breaks down into ammonia, which splits the oxides of nitrogen into nitrogen and water.

The company's primary products are atmospheric gases, which are produced from air (e.g., oxygen and nitrogen) and process gases, which are produced through additional processes (e.g., carbon dioxide, hydrogen, and acetylene).

The largest coal plant in Europe (DRAX # 4MW capacity (emits < 17Mt CO2 annum) produces about 2kt of CO2 / hour which is diluted in other gases (mailnly nitrogen).

One should also pay attention to other greenhouse gases, particularly methane (from rice paddies, ruminant animal digestive processes, industrial processes, and distributed natural sources, some of which could be triggered to large releases by warming) and nitrous oxide (from the nitrogen cycle linking the atmosphere, plants, and bacteria, now exacerbated by extremely heavy use of nitrogenous fertilizers in agriculture; note, as does Vaclav Smil from the University of Manitoba, that fertilizer use is required to feed half the world's current population.

As far as climatic impact is concerned, however, the fraction of the total mass of the atmosphere is irrelevant since the atmosphere consists of 99.9 % nitrogen, oxygen and argon, i.e. gases which can not absorb infrared radiation.

Almost immediately (nanoseconds) they relax from their excited state by either 1) emitting that energy as a new photon, some of which will continue up towards space, some of which will go back downward to be reabsorbed, thus keeping the energy in the atmosphere longer, or 2) by colliding with another gas molecule, most likely an O2 (oxygen) or N2 (nitrogen) molecule since they make up over 98 % of the atmosphere, thereby converting the extra vibrational energy into kinetic energy by transferring it to the other gas molecule, which will then collide with other molecules, and so on, making the air warmer.

In the atmosphere, a portion of the nitrogen winds up as nitrous oxide — laughing gas — which is not only a greenhouse gas that is 300 times more potent that carbon dioxide, but also destroys ozone, the gas that keeps us from getting more of a dose of UV radiation.

This proven technology has helped shift more electricity generation to natural gas, which emits less nitrogen oxides, sulfur dioxide, mercury and more than 50 percent less carbon dioxide than coal.

Just as there is no «33 °C warming by greenhouse gases from the minus 18 °C it would be without them» — when the real blanket which slows heat loss is reinstated — the heavy voluminous fluid ocean atmosphere of real gas, mainly nitrogen and oxygen, and when the Water Cycle is reinstated.

Compare with electronic transition absorption of visible light by the electrons of the molecules of nitrogen and oxygen in the atmosphere, the real gas Air, which is what gives us our blue sky, reflection / scattering.

In the real greenhouse which is our whole fluid real gas atmosphere which has volume, weight and attraction and is subject to gravity, the some 99 % nitrogen and oxygen dry air is what acts as a blanket keeping the Earth's heat from escaping too fast before the Sun again heats the surface, without water the Earth's temperature would be 67 °C not 15 °C — think deserts.

AGWSF's Greenhouse Effect doesn't have convection because it doesn't have real gases, it has substituted the imaginary ideal gas without properties and processes, but our real Earth's atmosphere does have convection — the heavy ocean of real fluid gas oxygen and nitrogen weighing a ton on our shoulders, a stone per square inch, acts like a blanket around the Earth stopping the heat escaping, compare with the Moon which has extreme swings of temperature.

«Ecological treaties should seek to curb emissions of sulpher dioxide, nitrogen oxides, heavy metals and other highly - toxic pollutants instead of targeting carbon dioxide, which is a non-toxic gas whose impact on global warming has not been proved,» says Dr. Golubchikov.

Just as the real gases of nitrogen and oxygen and carbon dioxide have been replaced by sleight of hand by the real world physics imaginary «ideal gas», without mass therefore not subject to gravity and without weight, and without volume and attraction, which means, their Greenhouse Effect atmosphere is empty space, which is why they have no sound.

Often the CO2 will strike one of the oxygen or nitrogen molecules which make up the great majority of atmospheric gases, setting them in motion, too — warming them.