介绍了国内外甘油法环氧氯丙烷生产技术.The worldwide production processes of epoxy chloropropane from glycerol are introduced.在同样的聚合反应条件下, 环氧氯丙烷聚合反应速度大于环氧丙烷聚合反应速度.Under the same conditions, propylene oxide polymerization proceeded fasfer th...
We looked out upon a scene of desolation and ruin...我们放眼望去，眼前是一片荒凉的废墟。Hannah looked up to see David and another man standing in the doorway...汉娜抬头看见戴维和另一个男的站在门口。I thought it looked as though the battery was going.我看电池好像该...
Ascospore analysis suggested that the fungus is homothallic but will preferentially outcross.从分析子囊孢子的结果看出,此菌能同亲配合,但很易异型杂交.This paper reports the nutritional conditions affecting yeast's ascospore formation.研究了诱导酵母子囊...
该商店专营新的一系列配件。The shop is devoted to a new range of accessories.这家旅游公司专营包机业务.This travel firm specializes in charter flights.一些小店和熟食店专营奶酪.Small stores and delicatessens specialise in cheese....