TranAlta asked us to determine the current status of knowledge
about nitrous oxide emissions from zero tillage systems.
Not exact matches
In March 2014, Saverin and seven other investors, including American venture capital firm, Bessemer Venture Partners, reportedly invested
about $ 6.65 million in Singapore - based cloud computing start - up company,
Nitrous.
A single carbon nanotube
about two billionths of a meter wide can compete with the best materials of today at detecting ammonia and
nitrous oxide, a gas often found in automobile emissions.
SpaceShipOne then fired its rocket, fueled by
nitrous oxide and rubber, and shot up to an altitude of 367,400 feet,
about 40,000 feet higher than required for the prize.
About 10 per cent of the
nitrous oxide discharged into the atmosphere each year is thought to be come from the manufacture of adipic acid.
The amount of
nitrous oxide in the atmosphere has quickly increased as well, with
about a third of the total added by human activity — much of that emitted by nitrogen - based fertilizers, and half of that from just three nations: China, the Soviet Union, and the United States.
Production of organic corn resulted in the greatest
nitrous oxide emissions and represented
about 8 % of total GHG emission; corn also had the highest carbon dioxide emissions per hectare.
«Our estimates revealed that each year
about 0.3 to 1.4 megatons of
nitrous oxide are emitted to the atmosphere from the oxygen minimum zone in the tropical Southeast Pacific.
(Over the course of a century, methane traps heat in Earth's atmosphere
about 25 times as effectively as carbon dioxide;
nitrous oxide does so almost 300 times as effectively over the same interval.)
Agricultural soils and the urine deposited by grazing animals are the main source of
nitrous oxide Read more
about Greener pastures reduce greenhouse gas emission - Scimex
Volkswagen and Audi used a defeat device so that
about 482,000 of its 2.0 - liter turbodiesel - equipped cars would meet Clean Air Act standards for
nitrous oxide (NOx) emissions, the Environmental Protection Agency alleged on Friday.
Rolling out of One Autoweek Tower in the
nitrous blue Focus, it was clear that all the things I expected
about the hatch were wrong — it wasn't the crass spiritual successor to the Sierra Cosworth or the RS200 I hoped it would be.
Did Bentley install a tank of
nitrous and not tell us
about it?
Read more
about the turbo - charged,
nitrous breathing Honda Odyssey minivan created by Takero and introduced at the Tokyo Auto Salon - Modified Magazine
This is all
about high speed, fast turns and lots of
nitrous oxide to cause that speed blur on screen and it's all executed extremely well.
Re «Estimates of the drivers of global temperature change in the ice ages show that the changes in greenhouse gases (CO2, methane and
nitrous oxide) made up
about a third of the effect, amplifying the ice sheet changes by
about 50 % (Köhler et al, 2010).»
The contribution of CO2 to the glacial - interglacial coolings and warmings amounts to
about one - third of the full amplitude,
about one - half if you include methane and
nitrous oxide.
Peatlands and mangroves are well known for their huge carbon - storing potential — mangrove soils alone store up to 4 times more carbon than trees — however, less is known
about methane and
nitrous oxide emissions, which may be important for their global warming potential, warns Hergoualc» h.
Nitrous oxide is a very potent GHG, with
about 310 times the global warming potential (molecule per molecule) of carbon dioxide.
More than a tenth (with
nitrous oxide
about as important as methane), according to the Food and Agriculture Organization of the United Nations: Gerber et al. (2013).
CO2 is only responsible for
about half the ostensible forcing with black carbon, methane,
nitrous oxide, and CFCs making up the other half.
And ships, besides releasing almost 3 percent of the world's CO2 (
about as much as all of Canada emits), are also a main source of
nitrous oxide and black carbon (soot).
And permafrost with the potential to release
nitrous oxide covers
about a fourth of the Arctic.
According to the report, atmospheric methane had reached
about 1845 parts per billion (ppb) in 2015, 2.5 times greater than in the pre-industrial era, while
nitrous oxide was at 328ppb, 1.2 times above historic levels.
The Kyoto Protocol is a treaty to regulate «Greenhouse Gases» only: - Carbon dioxide (CO2)- Methane (CH4)-
Nitrous oxide (N2O)(Laughing Gas,
Nitrous, NOS)- Hydrofluorocarbons (HFCs)- Perfluorocarbons (PFCs)- Sulphur hexafluoride (SF6) Car Exhaust consists of: Harmless: - Carbon dioxide (CO2)- Nitrogen (N2)- Water vapor (H2O) Some Pollutants: - Carbon monoxide (CO) * - Hydrocarbons or Volatile Organic Compounds (VOCs) * - Nitric oxide (NO) * - Nitrogen dioxide (NO2) * - Particulate matter (PM - 10) * - Sulfur dioxide (SO2) * * Your car's catalytic converter removes
about 95 % of these pollutants.
Nitrous oxide accounts for
about 9 percent of greenhouse gas warming.
Wegman concludes the paragraph with a passage
about the effects of carbon dioxide and
nitrous oxide on tree rings.
They come up with all kinds of hypothetical feedback mechanisms involving more natural aerosol emissions in response to global warming: Dimethylsulfide from marine phytoplankton (although a very intriguing possibility, this has never been confirmed to be a significant feedback mechanism, and there is ample evidence to the contrary, which is omitted from the report), biological aerosols (idem), carbonyl sulfide (idem),
nitrous oxide (idem), and iodocompounds (idem),
about which they write the following: «Iodocompounds — created by marine algae — function as cloud condensation nuclei, which help create new clouds that reflect more incoming solar radiation back to space and thereby cool the planet.»
Nitrous oxide emissions in the United States have increased by
about 4 percent between 1990 and 2016.
In 2016,
nitrous oxide (N2O) accounted for
about 6 percent of all U.S. greenhouse gas emissions from human activities.
And if that weren't enough to be concerned
about, their manure emits
nitrous oxide, 65 % of world totals.