介绍了利用BTC生产 过程中产生的副产品氯化氢气体合成盐酸乙脒的工艺研究.This paper introduces the production technology of acetamidine hydrochloride and hydrogen chloride produced in BTC synthesis.采用重量分析法测定盐酸乙脒中难挥发杂质的含量.The content of in volatile impuriti...
An abrasive material is unsuitable for cleaning baths.有磨蚀作用的材料不适合擦浴缸.She eked out her small income by cleaning other people's houses.她靠打扫别人的屋子来贴补她微薄的收入.She began cleaning the wound with a piece of cloth.她开始用一块布清洗伤口。...
Some publishers are now diversifying into software.有些出版社目前正兼营软件.Mixing management is the best tactics for increasing return and diversifying risks.混业经营是提高效益、分散风险的良策.Many car manufacturers are diversifying their products ...
A thread of smoke was wisping out of the funnel.一缕清烟从烟囱里袅袅而上.I like the ship with a yellow funnel.我喜欢那条有黄烟囱的船.The top of the funnel is connected to a tube.这漏斗的顶上接了一根管子....
They brought pineapples and huge bunches of bananas.他们带来了菠萝和大串大串的香蕉....bunches of violets in twists of paper...纸卷包裹的一束束紫罗兰She clutches the sides of her skirt until it bunches around her waist.她捏着裙子的两侧，直到裙子在她腰部打起了褶。Vehicl...
Angela says she longs to join an amateur dramatics class.安杰拉说她渴望参加业余戏剧班。Angela Bassett has won critical acclaim for her excellent performance.安吉拉·贝塞特凭借其出色的表演赢得了评论界的好评。Angela stared pensively out of the window.安杰拉忧郁地望着窗外。...