[能源] 固体燃料化学

VOA慢速英语20060529a

DEVELOPMENT REPORT - With Solid Fuels, a Deadly Risk of Indoor Air PollutionBy Lawan Davis Broadcast: Monday, May 29, 2006 I'm Steve Ember with the VOA Special English Development Report. Charcoal sel

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2006年慢速英语（五）月

VOA慢速英语2014 Remember Your Chemistry Classes?

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

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2014年VOA慢速英语(八)月

CNN 2012-05-11

Take for an example, bio-diesel fuel can be made from vegetable oil and animal fats, and its chemical make up includes carbin chains, joush worth knows that he didn't learn the chemistry class and hasn't taken chemistry yet. Brook horper, a field in

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CNN2012年(五)月

经济学人39:怎样建造时速1000英里的汽车

The land-speed record 地面速度记录 How to build a 1,000mph car 怎样建造时速1000英里的汽车 Hybrid rocketry will be used to drive faster than ever before 混合火箭技术将用于更快地驱动车辆 May 5th 2011 | from the print ed

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经济学人综合

VOA标准英语2009年-3 Scientists Share Nobel Chemistry Prize f

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

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VOA标准英语2009年(十月)

经济学人:中国商业航天 (1)

The first rockets were Chinese. In the 1230s the armies of the Song dynasty, 首批火箭出现在中国。十三世纪三十年代，宋朝军队 who were fighting Mongol invaders, started launching fire arrows propelled by gunpowder some 300 metres

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