The cyclopentadiene is prepared by the thermal cracking of dicyclopentadiene.以热裂解双环戊二烯的方法制备环戊二烯.The method of cyclopentadiene ( CPD ) from dicyclopentadiene ( DCPD ) with liquid phase thermal decomposition method is stud...
The company undertakes mechanical work on all types of cars.该公司承接各类汽车的修理工作。He was a very mechanical person, who knew a lot about sound.他精通机械，了解许多有关声音的知识。Data recorders also pin-point mechanical faults rapidly, reducing r...
This company has a proprietorship of the copyright.这家公司拥有版权所有权。Aside from corporation, the most common types are proprietorship and partnership.除了公司之外, 最普通的是独资和合伙两种形式.Such firms are called " individual proprietorship. "这...
Induction at 41 weeks with cervical ripening lowers the cesarean delivery rate.妊娠41周,经促宫颈成熟后引产可降低剖宫产分描....fields of ripening wheat and barley.一片片正在成熟的小麦和大麦The corn is blossoming [ ripening ].玉米正在开花 [ 成熟 ].When the summer...