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Atmospheric Chemistry > Nitrogen
The following information is about Nitrogen.
Nitrogen Defined
N2, a colorless, tasteless, odorless gas which makes up 78.1% of the atmosphere. Atmospheric nitrogen is converted by nitrogen fixation and nitrification into compounds used by plants and animals. In the far upper atmosphere, N2 is broken down when large numbers of energetic secondary electrons are produced and available to react with the N2. This leads to the eventual production of NO in that part of the atmosphere and is not--by definition--anthropogenic in nature. (Crutzen, Paul J. and T.E. Graedel, Atmospheric Change. W.H. Freeman and Company, New York, 147.) (Webster's New World Dictionary. Prentice Hall, New York, 918.)
This definition is in context to Atmospheric Chemistry. See more contextual defintions for Nitrogen.
Carl D. Keith; a father of the catalytic converter; 88
Published November 21, 2008, 3:15 am, San Diego Union-Tribune
Carl D. Keith, a co-inventor of the three-way automotive catalytic converter – a major advance in eliminating the toxic tailpipe emissions that once blanketed cities in smog – died Sunday while visiting one of his daughters in New Bern, N.C. He was 88 and lived on Marco Island in Florida.
Thermal Energy installs trial of emissions-reducing system at Chinese power plant
Published November 20, 2008, 9:15 am, Ottawa Business Journal
Thermal Energy International Inc. ( TSX-V:TMG ) is installing its nitrogen oxide-reducing equipment at a power plant in Guangdong, China, as part of its joint venture with a Chinese university .
Thermal Energy Ships THERMALONOx(TM) Test Equipment to China for Coal-fired Power Plant Demonstration
Published November 20, 2008, 4:00 am, CNW Group via Yahoo! Finance
Thermal Energy International Inc. is pleased to announce that it has shipped equipment to China for demonstration-scale testing of its THERMALONOx process for reducing nitrogen oxides for power plants and other industrial sources.
Linde North America's Vancouver Plant Receives Responsible Care Certification
Published November 19, 2008, 11:53 pm, PlantAutomation.com
Linde North America has received certification of its Vancouver, Washington, manufacturing facility under the American Chemistry Council's Responsible Care program
Home Cooks, Meet Molecular Gastronomy
Published November 17, 2008, 4:28 am, Time Magazine
Home cooks, meet molecular gastronomy
Local woman creates melamine home test kit
Published November 17, 2008, 3:11 am, The Gainesville Sun
Joy Drawdy has spent about a year creating the kit.
Special Reports
Published November 17, 2008, 2:33 am, Farmers Weekly Interactive
I've just decided to take out my PADI certificate, as scuba diving is the only way around the fields at the moment. Land round this area is saturated, drilling has halted and many farms have decided to not to sow any more wheat.
Special Reports
Published November 17, 2008, 2:03 am, Farmers Weekly Interactive
The Queen's phrase about a horrible year comes to mind, as I am reliably informed that we are only the odd millimetre short of the wettest in 20 years, with more than 300mm.
Crop Watch South: fallow could minimise losses, Nick Brown hears FWi
Published November 17, 2008, 1:48 am, Farmers Weekly Interactive
The weather has deteriorated again and further drilling is now unlikely on all but the lightest land.
Carl D. Keith, co-inventor of catalytic converter, dies
Published November 16, 2008, 7:01 pm, San Jose Mercury News
Carl D. Keith, a co-inventor of the three-way automotive catalytic converter '” a major advance in eliminating the toxic tailpipe emissions that once blanketed cities in smog '” died Sunday.
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Fri Nov 21
- STUDIO 51: CLARK COUNTY, NV - The federal government has been getting creative during the economic recession, but have they gone too far this time? Government insiders revealed to Weekly World News that for the past month, the infamous Area 51 military base has been transformed into the galaxy?s hottest nightclub. ?Studio 51? is a twenty-thousan d square-foot dance club designed to suck the space currency right out of aliens? wallets....... .
Thu Nov 20
- Interview with Rusty Klophaus on the Nitrogen Erlang Web Framework %u2013 Erlang Inside
- Nutrient - Wikipedia, the free encyclopedia
- Photographic Equipment - Photo Supplies - Darkroom Supplies
- Determination of atmospheric nitrogen input to Lake Greenwood, South Carolina: Lake Greenwood experiences summertime algal blooms, upsetting the natural ecosystem. The unique nitrogen demands of the dominant algae (Pithophora oedogonia) makes this the main species contributing to the algal blooms. The predominant form of the N deposition flux is in ammonium (NH4) form at an annual magnitude of 0.9 to 17.4 kg N/ha.
Wed Nov 19
Tue Nov 18
- Nitrogen: Is this the next cool framework? ;)
- Mysterious changes seen on distant dwarf planet - space - 10 November 2008 - New Scientist
- General Information on Nitrogen
- Visual Science - How Termites Live on a Diet of Wood - NYTimes.com: "Wood is indeed convertible to useful chemicals, because termites do it every day, causing $1 billion of damage every year in the United States. But to live on a diet of wood is challenging, not least because wood contains so little nitrogen. So how do termites do it? [...] The trick lies in a cunning triple symbiosis, a team of Japanese scientists report in Friday?s issue of Science. In the termites? gut lives an amoeba-like microbe called a protist, and inside each protist live some 10,000 members of an obscure bacterium. [...] The overall process whereby this troika of species makes a meal of wood is shown in the graphic at left: the termite chews the wood into particles that are absorbed by the amoeba. The amoeba breaks down the cellulose of the wood and gets the nitrogen it needs from its bacteria. The net result is that the two microbes digest wood into sugars and other nutrients of use to the termite."
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