News tagged with degraded performance
Large-scale fish farm production offsets environmental gains
Industrial-scale aquaculture production magnifies environmental degradation, according to the first global assessment of the effects of marine finfish aquaculture (e.g. salmon, cod, turbot and grouper) released today. This ...
Oct 27, 2010 |
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Cassini Thruster Swap Planned
(PhysOrg.com) -- The Cassini spacecraft will swap to a backup set of propulsion thrusters in mid-March due to degradation in the performance of the current set of thrusters.
Space & Earth / Space Exploration
Feb 02, 2009 |
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Frequency stabilization in nonlinear nanomechanical oscillators
Using Center for Nanoscale Materials (CNM) expertise in the design and fabrication of micro- and nanoscale devices, a new strategy for engineering low-frequency noise oscillators capitalizes on the intrinsic ...
May 28, 2012 |
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'Unzipped' carbon nanotubes could help energize fuel cells, batteries
Multi-walled carbon nanotubes riddled with defects and impurities on the outside could replace some of the expensive platinum catalysts used in fuel cells and metal-air batteries, according to scientists at ...
Nanotechnology / Nanomaterials
May 27, 2012 |
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Subaru telescope pioneers the use of adaptive optics for optical observations
A research team from the University of Tokyo/Kavli IPMU, Ehime University, and the National Astronomical Observatory of Japan (NAOJ) has succeeded in conducting the first, full-scale scientific observationswith ...
May 25, 2012 |
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New CO2-removing catalyst can take the heat
(Phys.org) -- The current method of removing the greenhouse gas carbon dioxide (CO2) from the flues of coal-fired power plants uses so much energy that no one bothers to use it. So says Roger Aines, principal ...
May 24, 2012 |
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Samsung presents a new graphene device structure
Samsung Advanced Institute of Technology, the core R&D incubator for Samsung Electronics, has developed a new transistor structure utilizing graphene.
Nanotechnology / Nanomaterials
May 18, 2012 |
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Nanotube 'sponge' has potential in oil spill cleanup
(Phys.org) -- A carbon nanotube sponge that can soak up oil in water with unparalleled efficiency has been developed with help from computational simulations performed at the Department of Energy's (DOE's) ...
Nanotechnology / Nanomaterials
May 10, 2012 |
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ESA declares end of mission for Envisat satellite
Just weeks after celebrating its tenth year in orbit, communication with the Envisat satellite was suddenly lost on 8 April. Following rigorous attempts to re-establish contact and the investigation of failure ...
Space & Earth / Space Exploration
May 09, 2012 |
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Beaming up on the way to space
(Phys.org) -- Space may be the final frontier. But often a few trips to PML are necessary before things can get off the ground. One recent case in point is the test of an instrument called the Extreme Ultraviolet ...
May 07, 2012 |
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Nutrient supply after algal bloom determines the succession of the bacterial population
Algal blooms can considerably interfere with summer holidays by the sea. In the coastal zone of temperate regions a spring algal bloom is not a sign of excessive nutrient input, but most of all a consequence ...
May 04, 2012 |
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Scientists find the structure of a key 'gene silencer' protein
Scientists at The Scripps Research Institute have determined the three-dimensional atomic structure of a human protein that is centrally involved in regulating the activities of cells. Knowing the precise ...
Apr 26, 2012 |
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