[建] 氧化钒

vanadium oxide的用法和样例：

例句

This shows that Vanadium pentoxide may only rarely be applicable as sole oxidizing agent.这表明五氧化钒能单一用作氧化剂是很少的。

SSS 2010-01-22

When you picture ancient Egyptian beauties such as Queen Nefertiti or Cleopatra, theyre probably wearing dramatic black eyeliner. Ancient Egyptians believed that eye makeup had properties bestowed by the gods that protected the wearers from illness.

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Scientific American(一)月

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2006年慢速英语（五）月

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Scientific American(六)月

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

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Scientific American(四)月

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Scientific American(八)月

SSS 2010-04-14

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

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Scientific American(四)月

VOA慢速英语 2007 1113b

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VOA慢速英语2007年（十一）月

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实用英语

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北京最后1座燃煤电厂于日前关停

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实用英语

China to boost distribution industry

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英语新闻

Environment Report Reveals Serious Pollution in China

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实用英语

WHO: Diesel Exhaust Causes Cancer

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

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英语新闻

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实用英语

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万物简史

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