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英语例句库

Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.

KL升华80%，炔戊菊酯2-3%，功能1- 3%。

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The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金催化下通过炔基和胺基反应,形N-基取代的杂环化合物。

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原声例句
Science and technology

In essence, the azide and the alkyne are like the two halves of a snap-together buckle.

从本质上讲，叠氮化物和炔烃就像个扣起的两半。

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Science and technology

Her solution, which she published in 2004, was to include the alkyne half of the buckle in a molecule that would put it under strain and thus make it more reactive.

她于 2004 年发表的解决方案是将带扣的炔烃半包个分子中，使其处于应变状态，从而使其更具反应性。

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