起泡剂是能够发生化学反应并产生气体的物质.Foaming agent is a chemical reaction can occur and produce gases.运用GC-MS剖析两起由起泡剂引发的选矿事故.Two mineral processing accidents resulted from frothers are analyzed by means of GC - MS....
The crisis could well place the relationship at risk.这场危机可能会使这一关系有破裂的危险。If they have the virus they are putting patients at risk.如果他们有这种病毒，就会将病人置于危险境地。The report underlined his concern that standards were at risk.报告强调了他对...
He left his Montana ranch to his spinster sister.他把他在蒙大拿州的大牧场留给了他未婚的妹妹.There's nothing shameful in being a spinster.当老处女也没什么丢人的,看看皮蒂姑妈.A spinster is a bachelor's wife.怨妇乃旷夫之妻....
相对于那种逐步改变不利于结婚人的税收法的做法, 我们应该现在就行动起来.Instead of gradually reducing the marriage penalty, we should do it now.第三个检验适用于州立法的其他形式.The third test applies to the remaining forms of state legislation.她免受性别歧视法的追究。She is exempt fr...
ITQ - 27 is stable to calcination in air , absorbs hydrocarbons , and is catalytically active for hydrocarbon conversion.ITQ-27对于在空气中煅烧而言是稳定的, 可以吸附烃类,以及对烃转化具有催化活性.Any of three gaseous isomeric ethylene hydrocarbons , C 4...