It is like a chemical reagent.

这就像是一种化学试剂.

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This bifunctional reagent links protein molecules to one another.

这种双用试剂把蛋白质分子彼此连接起来.

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The carbon should be susceptible to attack by a nucleophilic species.

碳容易被亲核试剂进攻.

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Lactones are major chemicals used in the preparation of other organic reagents.

内酯是制备其他有机试剂的重要化学品.

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Such species are referred to by the general term electrophiles.

这种物品就是一般听说的亲电试剂.

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The reagent possesses specificity for water.

这种试剂对水有特殊的作用.

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They experimented with new reagents and succeeded.

他们用新试剂做了试验,获得了成功.

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The alkanes are generally inert to ionic reagents.

烷烃一般说来对离子型试剂是不活泼的.

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Mutation are produced by a number of chemicals.

许多化学试剂能产生突变.

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The first is extremely resistant to nucleophilic reagents.

前者极端地阻抗亲核试剂.

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The addition of hydrogen bromide involves the attachment of an anionic nucleophile in the final step.

溴化氢加成的最后一步,是负离子亲核试剂的附加.

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These cocktails are either made from reagents or purchased in concentrated form and diluted with toluene.

这些混合液或是由试剂配制的或是买来的用甲苯稀释的浓缩剂.

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The exposed silver halide is then converted to metallic silver by an agent in the developer.

在显影液中某种试剂的作用下,已感光的卤化银可转变成金属银.

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ConclusionThis method has feature of fewer solvents, easy operation and rapidness.

结论该方法具有专有试剂用量少, 操作简便,快速等特点.

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Usa: chemical reagent, organic intermediates, fine chemicals and drug development.

用途: 化学试剂 、 有机中间体 、 精细化学品及药物研发.

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