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11-12-12 power shortages that gripped many parts of the country in recent months could herald the worst energy crunch in years amid growing concerns that economic growth may suffer. 近几个月来国内许多地区出现的电力短缺预示着将可能出现数年来最严重的能源危机,...
11-12-11 more peer-reviewed scientific studies of the effects on wildlife of large-scale solar energy developments and operations are needed to adequately assess their impact, especially in the desert southwest, according to a scientific literature review co...
11-12-07 scientists have shown the energy conditions, under which a weak signal supplied to a physical system emerges as a stronger signal at the output thanks to the presence of random noise (a process known as stochastic随机的 resonance), in a paper that h...
11-12-02 despite aggressive demand-management policies announced in recent years, china's oil use could easily reach levels comparable to today's u.s. levels by 2040, according to a new energy study by the baker institute. the study's authors said this findi...
11-12-01 geophysicists from potsdam have established a mode of action that can explain the irregular distribution of strong earthquakes at the san andreas fault in california. as the science magazine nature reports in its latest issue, the scientists examine...
11-11-13 given a legitimate(合法的,正当的) need to protect earth from the most intense forms of space weather -- great bursts of electromagnetic energy and particles that can sometimes stream from the sun -- some people worry that a gigantic killer solar...
11-09-09 影片对白 girls: one, two, three! coach: okay, ladies, time to call out the cavalry . we've secured a spot in the playoffs , we're gonna shake it up a little. wendy and karen to midfield , bridget to sweeper . bridget: what? coach: you heard me. i do...
11-09-07 scientists have discovered a biological switch that gives energy-storing white fat the characteristics of energy-burning brown fat. the findings could lead to new strategies for treating obesity. the animal study by researchers at the ohio state uni...
11-08-20 north korea's reclusive leader, kim jong-il, has begun his first trip to russia since 2002. 自2002年以来,朝鲜很少公开露面的领导人金正日开始首次俄国之行。 his train arrived in the border town of khasan in the russian far east, where he is to hold ta...
11-08-20 on thursday, i visited a new, high-tech factory in michigan where workers are helping america lead the way in a growing clean energy industry. they were proud of their work, and they should be. theyre not just showing us a path out of the worst rece...