双语例句原声例句
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关键步骤弗-克反应和弗瑞麦氏盐氧化反应均在原文献的基础上作了相应的改进。
The key steps, Friedel-Crafts reaction and Fremy's salt oxidation, were improved on the basis of original literature.
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传统的傅克反应的局限性在于，需要等量的路易斯酸催化剂和产生大量的副产物。
But traditional Friedel-Crafts reaction has its own limitations, such as requirement of a stoichiometric amount of Lewis acid catalysts and large amounts of undesired products.
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克拉克的母亲对她在儿子最新作品中的角色反应平淡。
Clark's mother is nonchalant about her role in her son's latest work.
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Doesn't respond as well to killed vaccines, and that's why the Salk vaccine has to be injected at a high dose.
但却对灭活的疫苗没有那样强烈反应,这也是索尔克氏疫苗为何,必须大剂量注射的原因
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And, this involves the reaction of titanium tetrachloride with magnesium to form magnesium chloride plus titanium And, this was invented in 1937 by W. J. Kroll.
四氯化钛和镁,反应生成氯化镁和钛,1937年W。J。克劳尔发明了这个方法。
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