News tagged with nitrogen gas
Related topics: nitrogen
Is it ripe? Carbon nanotube-based ethylene sensor establishes fruit ripeness
(Phys.org) -- The term ethylene (ethene) generally brings to mind polyethylene plastics, not fruit. However, ethylene is more than just a feedstock for chemical industry, it is also the smallest plant hormone, ...
Chemistry / Analytical Chemistry
May 19, 2012 |
4.8 / 5 (5) |
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Switching from coal to natural gas would do little for global climate, study indicates
Although the burning of natural gas emits far less carbon dioxide than coal, a new study concludes that a greater reliance on natural gas would fail to significantly slow down climate change. The study appears ...
Sep 08, 2011 |
4.6 / 5 (13) |
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Solar-powered nano sensor targets gases more polluting than carbon
(PhysOrg.com) -- A solar-powered sensor station to monitor in real time the concentration of gases that are key culprits in climate change and air pollution has been installed on a QUT Gardens Point roof as ...
May 30, 2011 |
3 / 5 (2) |
2
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Graphene foam detects explosives, emissions better than today's gas sensors
(PhysOrg.com) -- A new study from Rensselaer Polytechnic Institute demonstrates how graphene foam can outperform leading commercial gas sensors in detecting potentially dangerous and explosive chemicals. The ...
Nanotechnology / Nanomaterials
Nov 24, 2011 |
3.9 / 5 (8) |
3
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Man-made aurora to help predict space weather
(PhysOrg.com) -- For more than 25 years, our understanding of terrestrial space weather has been partly based on incorrect assumptions about how nitrogen, the most abundant gas in our atmosphere, reacts when ...
Jun 08, 2010 |
4.6 / 5 (8) |
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Plastic laser detects tiny amounts of explosives
(PhysOrg.com) -- Detecting hidden explosives is a difficult task but now researchers in the UK have developed a completely new way of detecting them, with a laser sensor capable of detecting molecules of explosives ...
Jun 08, 2010 |
5 / 5 (11) |
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Zapping Titan-like atmosphere with UV rays creates life precursors
The first experimental evidence showing how atmospheric nitrogen can be incorporated into organic macromolecules is being reported by a University of Arizona team.
Jun 29, 2010 |
4.7 / 5 (17) |
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Genome analysis of marine microbe reveals a metabolic minimalist
Flightless birds, blind cave shrimp, and other oddities suggest a "use it or lose it" tendency in evolution. In the microbial world, an unusual marine microorganism appears to have ditched several major metabolic pathways, ...
Feb 21, 2010 |
5 / 5 (7) |
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New study sheds light on evolutionary origin of oxygen-based cellular respiration
Researchers at the RIKEN SPring-8 Center in Harima, Japan, have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our ...
Jan 22, 2012 |
4.9 / 5 (7) |
0
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Early Earth haze likely provided ultraviolet shield for planet
A new study shows a thick organic haze that enshrouded early Earth several billion years ago may have been similar to the haze now hovering above Saturn's largest moon, Titan, and would have protected primordial ...
Space & Earth / Earth Sciences
Jun 03, 2010 |
4.5 / 5 (6) |
4
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Lasers used to make first boron-nitride nanotube yarn (w/ Video)
(PhysOrg.com) -- Researchers have used lasers to create the first practical macroscopic yarns from boron nitride fibers, opening the door for an array of applications, from radiation-shielded spacecraft to ...
Nanotechnology / Nanomaterials
Dec 02, 2009 |
4.8 / 5 (15) |
2
Tropical forests are fertilized by air pollution
Scientists braved ticks and a tiger to discover how human activities have perturbed the nitrogen cycle in tropical forests. Studies at two remote Smithsonian Institution Global Earth Observatory sites in Panama ...
Nov 03, 2011 |
5 / 5 (6) |
3
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Chemical engineers invent portable hydrogen reactor for fuel cells
Chemical Engineering students at Stevens Institute of Technology are transforming the way that American soldiers power their battery-operated devices by making a small change: a really small change. Capitalizing on the unique ...
May 23, 2011 |
3.9 / 5 (9) |
6
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Team makes discoveries about major event in history of complex life
(PhysOrg.com) -- A team of scientists led by Montana State University has discovered the "when" of a major event that led to the evolution of complex life on Earth.
Space & Earth / Earth Sciences
Jun 21, 2011 |
4.7 / 5 (7) |
1
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Global warming may affect the capacity of trees to store carbon, study finds
One helpful action anyone can take in response to global warming is to plant trees and preserve forests. Trees and plants capture carbon dioxide during photosynthesis, thereby removing the most abundant greenhouse ...
May 25, 2011 |
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