以邻苯二胺和糠醛为原料,以十六甲基三烷基溴化铵(CTMAB)为催化剂合成了麦穗宁.The fuberidazole was prepared by reaction of O - phenylenediamine with furfural at the presence of CTMABas catalyst....
税赋的增加为这个企业敲响了丧钟。The tax increase sounded the death knell for the business.当小镇的时钟敲响两点钟时，他们听到了隆隆的鼓声。As the town clock struck two, they heard the roll of drums.12点的钟声刚敲响，焰火便在夜空中绽放。On the stroke of 12, fireworks suddenly exp...
A very small pipette used in microinjection.一种小型的或年幼的隼.Mathematical model of microinjection amount is founded through depth theory research to the microinjector.本文通过对显微注射仪的深入研究,建立了注射量的数学模型.Whole mount in situ hybridizati...
He now faced an agonizing decision about his immediate future.他这时候面临着一个关系到他不久的将来的痛苦抉择。For one agonizing moment, the dish was perched precariously on the bank of the canal, but It'suddenly overbalanced and slid back ...