energy-凯发手机版

11-01-24 the president: hello, hello! hello, schenectady! (applause.) it is good to be in new york. (applause.) now let me just begin, if im not mistaken, governor cuomo -- who is going to be an outstanding governor -- (applause) -- he tried to give me a jet...

11-01-21 using a new experimental test structure, biophysicists at jila have unraveled（解开，阐明） part of a 15-year mystery in the mechanics of dnajust how the molecule manages to suddenly extend to almost twice its normal length. the new test structure s...

11-01-21 when times become difficult (and you know they sometimes will), remember a moment in your life that was filled with joy and happiness. remember how it made you feel, and you will have the strength you need to get through any trial. when life throws...

11-01-14 the crab nebula（蟹状星云） , once considered to be a source of energy so stable that astronomers used it to calibrate their instruments, is dimming. lsu physicists mike cherry, gary case and graduate student james rodi, together with an internation...

11-01-13 marketing efforts that encourage mixing caffeinated（含咖啡因的） energy drinks with alcohol often try to sway young people to believe that caffeine will offset the sedating（安静的，沉着的） effects of alcohol and increase alertness and stamina（毅...

11-01-12 the growing popularity of solar photovoltaic（光电的） (pv) systems across the united states has made it more important to maximize their power input. that's why uc san diego environmental engineering professor jan kleissl is working on technologies...

11-01-10 scotland and china have sealed a major green energy deal, as chinese vice premier li keqiang began a four-day visit to the uk. 中国副总理李克群对英国进行为期四天的访问，出访首日就与苏格兰签署一项绿色能源协议。 the agreement, worth $10m (6.4m), will...

11-01-10 a study that relates global energy use to economic growth, published in the january issue of bioscience, finds strong correlations between these two measures both among countries and within countries over time. the research leads the study's authors...

10-12-22 《中国日报》报道： the commission will be responsible for drafting national energy development plans, reviewing energy security and coordinating international cooperation, it said yesterday. 国务院昨天表示，国家能源委将负责拟订国家能源发展战略，审议...

10-12-20 a pipefitter knows how to make an exact cut on a metal rod. but it's far harder to imagine getting a precise cut on a carbon nanotube, with a diameter 1/50,000th the thickness of a human hair. in a paper published this month in the british journal p...