News tagged with oxide emissions
New semiconductor nanowire laser technology could kill viruses, improve DVDs
A team led by a professor at the University of California, Riverside Bourns College of Engineering has made a discovery in semiconductor nanowire laser technology that could potentially do everything from kill viruses to ...
Jul 05, 2011 |
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Advanced engine-control system reduces biodiesel fuel consumption and emissions
Researchers from Purdue University and Cummins Inc. have developed an advanced "closed-loop control" approach for preventing diesel engines from emitting greater amounts of smog-causing nitrogen oxides when ...
Technology / Energy & Green Tech
Jan 25, 2010 |
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Researchers develop method to fingerprint air pollution
A team of researchers from the University of Pittsburgh and the Electric Power Research Institute (EPRI) collected emissions samples from several power plant stacks in the United States and developed a unique method for detecting ...
Apr 20, 2012 |
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Soil microbes accelerate global warming
More carbon dioxide in the atmosphere causes soil to release the potent greenhouse gases methane and nitrous oxide, new research published in this week's edition of Nature reveals. "This feedback to our changing atmosphere means ...
Jul 13, 2011 |
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Idling airplanes produce more harmful pollution than previously thought
(PhysOrg.com) -- A group of researchers from Carnegie Mellon University in Pittsburgh, have shown that the emissions produced by aircraft idling at the gate, or lining up for takeoff, contain tiny oil droplets, ...
Space & Earth / Earth Sciences
May 12, 2011 |
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Could urine be a source of renewable energy?
A research team at Heriot-Watt University, UK, is investigating whether urine could be used to create energy via new, low-cost fuel cells.
Technology / Energy & Green Tech
Aug 22, 2010 |
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Engineers use rocket science to make wastewater treatment sustainable
Within the sludge of wastewater treatment plants is an invisible world teeming with microbes. Here, diverse species of bacteria convert solid and liquid wastes into gases, some of which contribute to global ...
Jul 26, 2010 |
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Portable and precise gas sensor could monitor pollution and detect disease
(PhysOrg.com) -- In the air, it is a serious pollutant. In the body, it plays a role in heart rate, blood flow, nerve signals and immune function.
Chemistry / Analytical Chemistry
Sep 25, 2009 |
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Portable and precise gas sensor could monitor pollution and detect disease
In the air, it is a serious pollutant. In the body, it plays a role in heart rate, blood flow, nerve signals and immune function. Nitric oxide, a gas well known to scientists for its myriad functions, has ...
Sep 18, 2009 |
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Cars running on ethanol can pollute too: Brazil study
Cars running on sugarcane ethanol can produce as many harmful pollutants as those using ordinary petrol (gasoline), according a study published by Brazil's environment ministry.
Sep 17, 2009 |
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New study shows nitrous oxide now top ozone-depleting emission
Nitrous oxide has now become the largest ozone-depleting substance emitted through human activities, and is expected to remain the largest throughout the 21st century, NOAA scientists say in a new study.
Space & Earth / Earth Sciences
Aug 27, 2009 |
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New proxy reveals how humans have disrupted the nitrogen cycle
More and more, scientists are getting a better grip on the nitrogen cycle. They are learning about sources of nitrogen and how this element changes as it loops from the nonliving, such as the atmosphere, soil ...
Jun 04, 2009 |
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New method accelerates stability testing of soy-based biofuel
The National Institute of Standards and Technology has developed a method to accelerate stability testing of biodiesel fuel made from soybeans and also identified additives that enhance stability at high temperatures. ...
Jan 13, 2009 |
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Diesel technologies drastically cut emissions under real-world conditions
New research from North Carolina State University shows that federal requirements governing diesel engines of new tractor trailer trucks have resulted in major cuts in emissions of particulate matter (PM) and nitrogen oxides ...
Apr 16, 2012 |
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New way to measure nitrous oxide emissions
(PhysOrg.com) -- An accurate new way to measure a potent greenhouse gas emitted during agricultural production will help countries to better manage their environmental impact, thanks to Queensland University of Technology ...
Mar 06, 2012 |
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