作业帮英语翻译The second-semester organic chemistry laboratory at this university used to rely heavily on cookbook-type experiments that included little characterization of reaction products.More research- and discovery-oriented experiments were desire
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英语翻译The second-semester organic chemistry laboratory at this university used to rely heavily on cookbook-type experiments that included little characterization of reaction products.More research- and discovery-oriented experiments were desire
英语翻译
The second-semester organic chemistry laboratory at this university used to rely heavily on cookbook-type experiments that included little characterization of reaction products.More research- and discovery-oriented experiments were desired to improve the course (1).Ideally the new experiments would meet several criteria:(i) use newly acquired instruments,a high-field NMR and GC-MS,to characterize the reaction products; (ii) provide illustrations of key concepts such as selectivity; (iii) allow for discussions of action mechanisms; and (iv) demonstrate principles of green chemistry (2).An experiment incorporating all of these components is described.
英语翻译The second-semester organic chemistry laboratory at this university used to rely heavily on cookbook-type experiments that included little characterization of reaction products.More research- and discovery-oriented experiments were desire
该学校第二学期的有机化学实验主要针对于食谱类型的实验,也就是说对于反应物不会做过多的描述和提示.大部分研究性或探索性实验都适用于这门课程.首先,理想中新的实验需要具备以下标准：1、利用新引进的实验设备,包括高密度场核磁共振设备和气质联用仪,来描述反应物的色态；2、为关键性概念提供解释,比如选择性这一类的概念；3、能够进行反应机理 的讨论；4、反应了绿色化学的原则.其次,包含上述所有部分的实验需要进行详细描述.