英语人>网络例句>pyroracemic aldehyde 相关的网络例句
pyroracemic aldehyde相关的网络例句

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The method of 4-methylimidazole synthesis using pyroracemic aldehyde was selected,and flow chart and operation process were studied.

本文对4-甲基咪唑常用的几种合成方法进行了介绍,对其工业化生产的优缺点进行了对比,最终选定了丙酮醛法,并给出了工艺流程图和操作步骤。

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Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在,所有的孩子都要在综合学校继续学习,所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地,使人们普遍认识到发展不能以牺牲农业为代价。

Detailed Intrinsic Reaction Coordination calculations were carried out to guarantee the optimized transition-state structures being connected to the related tautomers.

同时,做了详尽的内禀反应坐标计算,以保证所得到的过渡态连接相应的始末异构体。