单词:power conversion efficiency
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US-Russian Nuclear Conversion Program Ends 美俄结束核转换项目 WASHINGTON Uranium converted from Russian nuclear warheads has provided an estimated 10 percent of U.S. electric power in recent years. The 20-year Megatons to Megawatts program h
Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode
When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy
Science and technology. 科技。 Photoelectric cells. 光电池。 To dye for. 利用染料进行能量转化。 A new type of cell may bring solar energy indoors. 一种新型电池也许能带来室内太阳能。 THE phrase indoor solar power sou
The fine-furniture store where I work has been in business since the 1920s.Recently I received a call from a woman who wanted to replace some chairs from a dining set purchased from us in the 1930s.I
Amid the recent economic downturn, demand in the U.S. is rising for small wind turbines to power people's homes. The American Wind Energy Association says sales of such turbines rose 15 percent in 2009. One man in Florida is generating his own power
By Phil Mercer Sydney 22 May 2008 A couple has embarked on a journey around Australia in a car powered by leftover vegetable oil from fish and chip shops. Rachel and Gerard Mimmo plan to drive 18,000 miles in a specially designed four-wheel drive. Fr
Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge
US Energy Company: Cleaner Technologies Make Good Business Sense 美国能源公司:清洁科技有利可图 BREMO BLUFF, VIRGINIA Even before the U.S. Environmental Protection Agency released its proposed rules this month for reducing carbon emiss
Study: Running Sun Power Plant With Molten Metal May Be Cheaper 研究显示太阳电站运行或拉低熔融金属价格 Power plants that work with concentrated solar power use special molten salt to convert the suns heat into steam which turns the
When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy c
With Vladimir's conversion and marriage to the Byzantine emperor's sister, 通过弗拉米尔的转变,还有他和拜占庭皇妹的联姻 as well as continued trade along the Volga route, the relationship between the two civilizations deepened. 以
美国能源公司:清洁科技有利可图 Even before the U.S. Environmental Protection Agency released its proposed rules this month for reducing carbon emissions from the nations power plants, energy companies began converting older plants to c
A: What is the efficiency of this product line? B: It's about 85%. A:这个生产线的效率是多少? B:差不多85%。 2.Labor costs 人工成本 A: Why do we have such high labor costs? B: Our labor workers were from the state owned enterprise. A:我们的人工
Science and Technolgy. 科技。 Photoelectric cells. 光电池。 To dye for. 染料光电池。 A new type of cell may bring solar energy indoors. 一种新型电池有望将太阳能引进室内。 THE phrase indoor solar power sounds like an oxym
中国富煤缺油少气的能源资源特点,造成能源消费主要依赖于煤炭,石油则主要依靠进口,而且带来一系列环境问题。煤清洁转化技术则可以帮助缓解这一难题。近日专家表示,我国将在2020年
By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr
Science and technology 科学技术 Photoelectric cells 光电池 To dye for 染料光电池 A new type of cell may bring solar energy indoors 一种新型电池有望将太阳能引进室内 THE phrase indoor solar power sounds like an oxymoron. 室内
Did you know that enough sunlight falls on the earths surface every minute to provide energy for the entire world? The trick, though, is turning sunlight into power we can use for things like heating water and making electricity. And there are two ty
Back to basics 节能以人为本 Energy efficiency is not very flashy. That may be a selling point 能源增效并不那么高高在上,也许它还是个卖点。 Hope those are energy-saving bulbs 希望大家都使节能灯泡 WHEN Richard Sanc