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Tracking ancient greenhouse gas pulses shows climate trouble ahead
2014-11-22 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Summit Voice: There`s yet more evidence that melting Arctic permafrost will amplify global warming by releasing huge amounts of heat-trapping greenhouse gases. In the latest study, Scientists with the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research tracked a pulse of CO2 and other greenhouse gases released to the atmosphere about 14,600 years ago. The results suggest the gases were released during the start of marked warming phase and originated in thawing Arctic permafrost soil,...
GaN MMIC Switch Controls 100-W Pulses
2014-10-05 18:23:12| Semiconductors - Topix.net
Download this article in .PDF format This file type includes high resolution graphics and schematics when applicable.Gallium-nitride semiconductor devices are quickly capturing the attention of high-frequency circuit designers for their excellent performance at high frequencies. In addition, many of these devices also offer good high-power signal-handling capabilities, such as the model TGS2355-SM monolithic-microwave-integrated-circuit single-pole, double-throw switch from TriQuint Semiconductor.
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Farmers Expect to Plant More Oilseeds, Pulses and Fewer Cereals
2014-05-09 02:00:00| ThePigSite - Industry News
CANADA - A weather and crop specialist with CWB reports prairie farmers are expecting to plant about the same number of acres this year as last, but more of those acres will be seeded to oilseed and pulse crops and fewer to cereal crops, according to Bruce Cochrane.
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Thick Film Chip Resistors handle high voltage pulses to 40 KV.
2013-10-21 14:29:35| Industrial Newsroom - All News for Today
RoHS-compliant HVC Series includes resistors in chip sizes 0603, 0805, 1206, 2010, 2512, and 3512. Tolerance capacity is as low as ±0.1% for sizes 1206 and larger, while rated working voltages range from 400 V for 0603 size to 3,500 V for 3512 size. Thick film high voltage resistor handles voltage surges from 5 KV for 0603 up to 40 KV for 3512 size, provided terminals of HVC chip are isolated. This story is related to the following:Chip Resistors | Thick Film Resistors
Researchers produce hydrogen from water and charcoal mix at room temperature using laser pulses
2013-08-30 21:30:18| Green Car Congress
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