音标:[,tetrә'eθәl] ;
a. [化]四乙基的

tetraethyl的用法和样例:

词汇搭配

  • lead tetraethyl四乙基铅
  • tetraethyl lead poisoning四乙铅中毒
  • tetraethyl-ammonium chloride氯化四乙铵
  • tetraethyl lead pollution四乙基铅污染...
  • tetraethyl pyrophosphate焦磷酸四乙酯...
  • tetraethyl lead四乙铅
  • tetraethyl-ammonium bromide溴化四乙铵
  • tetraethyl ammonium hydroxide氢氧化四乙基铵...
  • tetraethyl ammonium chloride氯化四乙铵

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(198) / 评论(0) 分类 2014年VOA慢速英语(五)月

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This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

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One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

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发表于:2019-02-17 / 阅读(148) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

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Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

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