凯发k8官网-凯发k8天生赢家一触即发官网 > tag标签 > energy
|
10-08-04 call it the anti- sunscreen(遮光剂) . that's more or less the description of what many solar energy researchers would like to find -- light-catching substances that could be added to photovoltaic(光电的) materials in order to convert more of the...
10-08-02 a new theory developed at purdue university may solve the mystery of why the new madrid fault, which lies in the middle of the continent and not along a tectonic plate(地质构造板块) boundary, produces large earthquakes such as the ones that shook...
10-08-02 the president: good afternoon, everybody. i just concluded a productive discussion with the leaders of both parties in congress. this was one of a series of regular meetings that i called for in the state of the union because i think its important f...
10-07-28 university of pennsylvania school of medicine researchers have described a previously unknown biological mechanism in cells that prevents them from cannibalizing(装配) themselves for fuel. the mechanism involves the fuel used by cells under normal...
10-07-22 pioneering(首创的,先驱的) observations with the national science foundation's giant robert c. byrd green bank telescope (gbt) have given astronomers a new tool for mapping large cosmic structures. the new tool promises to provide valuable clues a...
10-07-20 防风林 wind breaks 防沙林 sand breaks 速生林 fast-growing trees 降低资源消耗率 slow down the rate of resource degradation 开发可再生资源 develop renewable resources 环保产品 environment-friendly products 美化环境 landscaping design for environmental...
10-07-06 the world's biggest roman candle has got nothing on this. using super-high pressures similar to those found deep in the earth or on a giant planet, washington state university researchers have created a compact, never-before-seen material capable of...
10-06-29 french energy company total says it has stopped petrol deliveries to iran, amid growing international pressure over iran's nuclear programme. 受到伊朗核计划所不断带来的国际压力的影响,法国能源公司道达尔停止向伊朗运送石油。 iran cannot refine enough...
10-06-22 a team of researchers from the university of alberta and the national institute for nanotechnology has extended the operating life of an unsealed plastic solar cell, from mere hours to eight months. the research groups' development of an inexpensive...
10-06-15 us president barack obama has called on his party and supporters to back a new future of clean energy. 美国总统奥巴马号召他所在的政党和支持者共同推动清洁能源的新未来。 visiting areas affected by the bp oil spill(漏油,浮油) , he said the full reso...