In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂.Polyurethane demulsifier for crude oil were prepared from polypropylene glycol, xylene, toluenediiso - cyanate...
Fluoride is one of the ingredients of Glister Multi - Action Fluoride Toothpaste.丽齿健?素牙膏亦含有氟这一种成份.What is the SYLODENT? in Glister Fluoride Toothpaste?丽齿健?氟素牙膏中的SYLODENT? 是甚 么 ?Glister Toothpaste with SYLODENT provides o...
The NAV price is ingle price for dealing which a mid - price.资产净值为交易中单一价值的中位价.如欲认购.The ability to a ly two or more race or to a ingle computation.一种在单个计算机上运行两个或多个程序的能力.All the darkness in the world never put out the ligh...
the rupture of a blood vessel血管破裂He burst a blood - vessel in a fit of coughing.他一阵咳嗽咳破了一根血管.The rupture of a blood vessel usually cause the mark of a bruise.血管的突然破裂往往会造成外伤的痕迹....
These figures exaggerate the loss of competitiveness.这些数字夸大了竞争力的丧失。At the same time shifts in international competitiveness were beginning to be felt.与此同时,国际市场上的竞争能力也出现了变化.Their scientific know - how, innovation and tech...