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The hydrocarbon must be an alkene.

这个碳氢化合物必定是烯烃.

辞典例句

A hydrocarbon was known to be either an alkene or alkane.

某碳氢化合物已知可能是烯烃或是烷烃.

辞典例句

Synthesis of soluble fluorinated alkene with hydroxyl and preparation of fluorinated polyurethane coatings were described.

本文介绍了可溶性的带羟基含氟烯烃的合成及含氟聚氨酯涂料的制备.

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Usage: 1. Using as high efficiency inhibitor for vinyl monomer and conjugate alkene.

用途: 1. 作为乙烯基单体及共轭烯烃的高效阻聚剂.

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Pyrolysis gasoline contents high alkene, so it can not be sold as commercial gasoline.

裂解汽油烯烃含量高, 不能作为商品汽油销售.

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The preparation of potassium malonyloxyborohydride in situ and its selective hydroboration alkene are described.

介绍了丙二酰氧基硼氢化钾的制备及其原位与烯烃的选择性硼氢化.

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This paper reviewed the researches of alkene on physiological efficacy, construction and its formation mechanism.

本文综述了近年来有关阿霍烯的生理功效, 结构组成及形成机制等的研究概况.

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The betaine will collapse to the alkene only when these two functions are eclipsed.

只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃.

辞典例句

The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.

亲核试剂包括烯烃 、 炔烃 、 醇 、 酸 、 胺 、 水等.

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Tungstogermanic acid as a catalyst for dehydration of alcohol to form ether or alkene is reported.

报道了钨锗酸对醇脱水成醚或成烯的催化反应.

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The preparation of sodium malonyloxyborohydride in situ and its selective hydroboration alkene are described.

叙述了丙二酰氧基硼氢化钠的制备及其原位与烯烃的选择性硼氢化反应.

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