The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件....
Cybercrime is a new type of crime, having distinguishable and unique characteristics.网络犯罪是一种新的犯罪类型, 具有不同于其他犯罪类型的独有的构成特征.Cybercrime is a growing problem in the computer age.于此电脑时代,网路犯罪已成日益猖獗的问题.It also mandates a certain ...
The emphasis is on developing fitness through exercises and training.重点在于通过锻炼促进健康。His voice was angry and he spaced the words for emphasis.他的声音里透着愤怒，为了强调，他一字一顿。"I might have known it!" Miss Burnett said with emphasis.“我早...
To mend this engine I'll have to have its innards out.要修理这部发动机,我得拆下里面的部件.to remove the innards掏出内脏These formed the innards underneath the exoskeleton provided to the animators.这些将与外观一同提供给动画师,构成外表以下的骨架、内装." It's...