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US methane emissions exceed estimates, study finds

2013-11-26 14:37:08| Climate Ark Climate Change & Global Warming Newsfeed

New York Times: Emissions of the greenhouse gas methane due to human activity were roughly 1.5 times greater in the United States in the middle of the last decade than prevailing estimates, according to a new analysis by 15 climate scientists published Monday in The Proceedings of the National Academy of Sciences. The analysis also said that methane discharges in Texas and Oklahoma, where oil and gas production was concentrated at the time, were 2.7 times greater than conventional estimates. Emissions from oil...

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Methane Emissions In The US Reportedly Exceed EPA Estimates

2013-11-26 13:17:00| Climate Ark Climate Change & Global Warming Newsfeed

RedOrbit: The US Environmental Protection Agency (EPA) could be underestimating American methane emission levels by as much as 50 percent, according to new research appearing in this weeks early online edition of the journal Proceedings of the National Academy of Sciences. Carnegie Institution researchers, along with colleagues from the Lawrence Berkeley National Laboratory (Berkeley Lab), Harvard University and other institutions, used atmospheric methane observations from throughout North American in...

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Quarter-Brick 600 W Bus Converters exceed 96% efficiency.

2013-11-18 14:28:07| Industrial Newsroom - All News for Today

Respectively, QBVE060A0S10R4 (625 W) and QBVS050A0B (600 W) operate within 45–56 Vdc and 52–60 Vdc input range and delivering 10.4 and 12 V of DC power. These fully regulated DC/DC power devices support distributed power architectures, intermediate bus voltage applications, fan assemblies, and other systems requiring tightly regulated output voltages. For higher power applications, modules can be paralleled in sets of 3. Functionality bolsters IT infrastructure performance levels. This story is related to the following:DC To DC Converters

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UPDATE 2-Applied Materials quarterly results exceed estimates

2013-11-15 08:44:40| Semiconductors - Topix.net

Top chip gear-maker Applied Materials Inc posted fiscal fourth-quarter revenue that modestly exceeded estimates as foundry customers build new production lines, but its forecast for the current quarter was shy of some analysts' expectations.

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