Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weight average molecular weight.不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150,000-350,000.What factors does he take into consideration in determining the...
He was the bringer of good news.他带来了好消息。He was the bringer of great glad tidings.他就是带来大好消息的那个人.But you'll also find a gold watch a luck - bringer, unlikely as that may be.你还会发现金表也能带来好运, 尽管可能性不大....
Allow the loaves to rise until just about double in size.让面包发酵到刚好是原来的两倍左右。MRI provided excellent delineation of the intraatrial membrane and the size of the membrane orifice.MRI能较清晰地显示左房内的异常隔膜和隔膜孔的大小.Tailor the depilatio...
It was the last of the cannonade.这是最后一炮.However, their chirrupings will be stilled before long by the thunder of the cannonade.然而, 他们的窃窃私议不久将被雷鸣般的炮声所淹没.I knew they were all drowned by the cannonade.我知道,大炮的声音是压倒一切的....the...
Methods: The synthesis uses urea as material process includes condensation, opening loop, chloridization and nitrosation reaction.方法以尿素为原料,经缩合, 开环, 氯化,亚硝化而得....
I'm afraid your son had a slight mishap in the playground.不好了,你儿子在操场上出了点小意外.With a little care you could have avoided the mishap.你要是小心一点,本来是可以避免这场不测之祸的.We reached home without mishap.我们平安地回到了家....