Sentences with phrase «into nitrogen gas»

On the exhaust side, many trucks and tractors use some of the diesel fuel to convert NOx back into nitrogen gas.

Such wetlands naturally convert the runoff into nitrogen gas that is released into the atmosphere.

The key is a recently discovered type of bacterium that converts ammonium directly into nitrogen gas (Science, DOI: 10.1126 / science.1185941).

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.

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

Not exact matches

Some of the nitrogen the crops do not absorb is converted into nitrous oxide, a greenhouse gas 310 times more powerful than carbon dioxide.

With the help of bacteria in the soil, peas and other pulse crops are able to take nitrogen gas from the air and convert it into more complex and usable forms.

As soon as I pour that chilly science juice into a bucket, a foot - high tidal wave of nitrogen gas rushes toward the students.

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.

They become caught in powerful magnetic fields and are channeled into the upper atmosphere, where their interactions with gas particles, such as oxygen or nitrogen, set off spectacular bursts of light.

Eventually, they crash into the first wisps of the atmosphere, molecules of nitrogen, oxygen, and other gases 100 to 300 kilometers high.

In its test in its Danbury lab, the company plans to mix carbon dioxide, air and nitrogen to simulate coal plant emissions and then shoot those gases into a fuel cell stack.

Over three minutes, nitrogen gas was pumped into seven concentric rings to form a mushroom - shaped shield 10 feet in diameter.

The pollution is generally a mixture of gases — such as carbon monoxide, sulfur dioxide and nitrogen oxides — and particulate matter, microscopic solids or droplets that can be inhaled into the lungs.

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.

The produced aerosol is directed over the heated substrate using a stream of nitrogen gas resulting into a polycrystalline thin film grown on the chalcopyrite substrate over time with embedded nanoparticles of platinum.

The 60 - foot - long gas gun used compressed nitrogen gas to shoot metal projectiles into a resonant beam coupled with a resonant cone to expand the final diameter to interface with the rocket part, essentially a hybrid version of a large - scale Hopkinson bar.

Any nitrogen not taken up by plants is met by soil microbes that turn the fertilizer into nitrous oxide, an ozone - depleting gas that is also 300 times more potent than carbon dioxide.

The question has stumped oceanographers for decades: How is dissolved nitrogen gas transformed into a kind that can be used by living things?

Scientists have converted a gentle flow of gas directly into an electric current by flowing common gases like oxygen, nitrogen, or argon over a special kind of semiconductor.

«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.»

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.

Turning greenhouse gases into cooling aerosols The team then mixed the intermediates with various compounds, like sulfur and nitrogen greenhouse gases, to see how fast they reacted.

The little probe that Galileo dropped into the atmosphere in 1995 found that Jupiter is anomalously enriched in certain heavy elements such as nitrogen and argon, as if it formed farther from the sun where those gases were abundant.

The Calabash nebula (bottom left), illustrates what happens when high - speed winds of stellar gas (yellow) create shock waves as they ram into clouds of interstellar hydrogen and nitrogen (blue).

If the methane ever ran out, temperatures would drop, nitrogen gas would condense into liquid droplets and the atmosphere would collapse.

Resource - conserving cropping practices from WHEAT, such as more targeted use of nitrogen fertilizers or sowing wheat into untilled soils and crop residues, can raise wheat farmers» incomes while curbing greenhouse gas emissions, if widely adopted, he added.

At the same time, the burning of ever - increasing quantities of coal, oil and natural gas converts some atmospheric nitrogen into oxides of nitrogen (NOx).

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.

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

Our interventions convert greenhouse gas (GHG) sources into long - term sustainable sinks of sequestered carbon, and mitigate greenhouse gas and nitrogen.

The EGR system works by recirculating some of the exhaust gas back into the intake to lower combustion temperatures and cut emissions of nitrogen oxides.

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 DEF is injected into the exhaust and, as the resulting mixture passes through the SCR, NOx is turned into harmless nitrogen gas.

Catalytic Converter - Carbon monoxide, hydrocarbons and nitrogen oxides are converted into water vapor and less harmful gases.

- Carbon monoxide, hydrocarbons and nitrogen oxides are converted into water vapor and less harmful gases.

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.

Also in the gallery, four gas cylinders contain nitrogen, oxygen, argon and carbon dioxide, slowly releasing these purified, standardized forms of elemental gases into the atmosphere of the gallery.

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.

Our paper on the nitrogen cycle shows, as an example, how human ingenuity, by inventing an artificial «enzyme» that can convert the abundant gas, N2, into ammonium, changed the cycle for that element.

On Thursday, the Obama administration announced a «comprehensive approach» to enlist American farmers in a voluntary effort to cut greenhouse gases — carbon dioxide, methane, and nitrogen oxides — through programs and incentives designed to reduce fertilizer use, encouraging tree planting, and turn poop into power by capturing methane.

One could ask the question if dropped liquid nitrogen in a tube, at what height would it need to drop from so it gains enough heat to overcome it's latent heat to transform from a liquid into a gas and for gas molecules to attain average velocity of 400 m / s?

One solution being researched at the Australian National University is to use large dish solar collectors to heat ammonia gas (NH3) to a sufficient temperature for it to «break up» into its constituent nitrogen (N2) and hydrogen (H2) gasses.

Climate tools that manage for drought Project updates Researchers blazing a trail on extreme heat predictions Improving regional forecasts for rainfall and temperature From heat stress to frost risk: Recent research into Australia's climate Multi-week forecast maps on the way Weather forecasts may help reduce greenhouse gas emissions from nitrogen fertiliser App update to provide access to drought and crop yield analysis Onwards and upwards for Managing Climate Variability

Ozone is an odorless gas that is not directly emitted into the air but is created by chemical reactions between nitrogen oxides (NOx) and volatile organic compounds (VOC)-- which occur naturally but are also produced from the burning of fossil fuels and are released in the process of drilling for oil and natural gas.

As we have noted, one of the Achilles heels for the US aviation industry could be the complex mixture of greenhouse gases and precursors — carbon dioxide, water vapor, and oxides of nitrogen — injected directly into the atmosphere by every jet and turboprop in the sky.

More nitrogen is now converted into reactive forms by industry than all by all the planet's natural processes and our industrial and agricultural processes are causing a continual build - up of long - lived greenhouse gases to levels unprecedented in at least the last 800,000 years and possibly much longer.