单词:fossil fuel cell
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By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
Global warming may or not be the great environmental crisis of the 21st century, butregardless of weather it is or isn't we won't do much about it. We will argue over it and may even, as a nation, make some fairly solemn-sounding commitments to avoid
Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa
Amid all the tradition and history of Katmandu, a profound change is in the air. In fact, it might literally clear the air, reducing the choking pollution which has blighted this congested valley. The streets of the capital are gradually being taken
研究:G-20补贴矿物燃料4520亿美元 As leaders of the Group of 20 major economies gather in Turkey for the 2015 summit, campaigners are calling on them to stick to their pledge to stop subsidizing fossil fuels. With the Paris climate summit
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. There's a huge, gunky brown cloud that lingers over south Asia and the Indian Ocean each winter. Its been known to cause respiratory diseases and even
Idiom: On good terms 人与人之间关系融洽,和谐 Hit the book: Photovoltaic Face up to Fossil fuel Catastrophic Destruction Burning question Conversion Promising
Oil is good and bad. Its good because it helps our energy needs. Its bad because it causes pollution. Oil is a fossil fuel. Burning it produces carbon dioxide (CO2). This is one of the biggest causes of global warming. There isnt much oil left in the
April 14 is Plant Appreciation Day (PAD). This is when you appreciate just how important plants are to us. Few of us ever stop to think just how vital plants are to our survival. Without them, we wouldnt be here. Plants change the CO2 in the air into
(man) Today I want to discuss fossil fuels such as coat, oil, and natural gas. The term fossil fuel refers to the trapped remains of plants and animals in sedimentary rock. You see, living plants trap energy from the sun by the process of photosynth
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea
SCIENCE REPORT — February 7, 2002: Fuel Cell Cars By Mario Ritter This is the VOA Special English SCIENCE REPORT. The United States Secretary of Energy, Spencer Abraham, has announced a program to d
EXPLORATIONS -February 27, 2002: Fuel Cell Cars By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a
英语短文:Coal-fired power plants The invention of the incandescent light bulb by Thomas A. Edison in 1879 created a demand for a cheap, readily available fuel with which to generate large amounts of electric power. Coal seemed to fit the bill,
Researchers get same yields with fewer fertilizers, pesticides Steve Baragona | Washington, DC 18 May 2010 Fossil energy use was compared among different crop rotation systems in a field experiment conducted between 2003 and 2008 in Boone Co., Iowa R
G20仍为化石燃料提供津贴 In 2009, G-20 members pledged to end subsidies for fossil fuels in the form of direct grants or loans, tax breaks or price supports. 2009年,G20成员国承诺停止以直接补助或贷款,减税或价格支持等
Oil is good and bad. Its good because it helps our energy needs. Its bad because it causes pollution. Oil is a fossil fuel. Burning it produces carbon dioxide (CO2). This is one of the biggest causes of global warming. There isnt much oil left in the
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after year
By Paul Sisco Washington 07 March 2007 watch Ethanol Alternative Fuel President Bush speaks to reporters about how cellulosic ethanol can be produced from biomass such as spruce wood chips President Bush leaves this week for a five nation Latin Amer
第一部分 阅读理解 (75分) Passage 1 CATV is a short way of saying