• 乙醚溶液制得聚苯乙烯甲基甲基丙烯酸甲酯反应不能分离出聚甲基丙烯酸甲酯及它的接共聚物。

    Neither polymethylmethacrylate nor polymethylmethacrylate-grafted copolymer could be isolated by the reaction of polystyrene methylene lithium prepared in ether solution with methyl methacrylate.

    youdao

  • 然后,无水THF中用氢化还原,得纯的手性24 二羟甲基四氢吡咯衍生物

    All of the 2,4 pyrrolindinediester derivatives were reduced with lithium aluminum hydride in anhydrous THF, and ten new chiral 2,4 Dihydroxylmethylpyrrolidine derivatives were found.

    youdao

  • 电池组装完成加热使甲基丙烯酸甲酯聚合,电池中形成甲基丙烯酸甲酯高氯酸-丙烯碳酸酯凝胶电解质

    After assembling battery pack, the method heats up and polymerizes methyl methacrylate so as to form gel electrolyte of polymethylmethacrylate and lithium perchlorate - propylene carbonate.

    youdao

  • 通过试剂方法,合成了三甲基苯基环已基化合物,反应率在到60%。

    Synthesis of phenylcyclohexane trifluoromethyl ketones by lithium reagent is studied and the yield of reaction is 60%.

    youdao

  • 通过试剂方法,合成了三甲基苯基环已基化合物,反应率在到60%。

    Synthesis of phenylcyclohexane trifluoromethyl ketones by lithium reagent is studied and the yield of reaction is 60%.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定