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...
Lead is more solvent in acidic water.铅在酸性水中更易溶解。We must cut back on expenditure in order to remain solvent.我们应减少开支,以备急用.Gasoline is a solvent liquid which removes grease spots.汽油是一种能去掉油污的有溶解力的液体....
工业订单在前几个月就已减少。Industrial orders had already fallen in the preceding months.史蒂夫在前半小时里没说几句话.Steve barely said a handful of words during the first half hour.我们在前几章已经了解到，可视化方法是多种多样的。As we have seen in previous chapters, visu...
家用冰箱的致冷剂,也经历循环过程.The refrigerant in a household refrigerator also undergoes a cyclic process.室温催熟,保存在冰箱的保鲜盒中.Ripen at room temperature and store in the regfrigerator crisper.用于冰箱的除臭与食品保鲜.Deodorize the air inside refriger...
之后对生活产生的影响可能会是空虚感和沮丧感。The result later in life may be feelings of emptiness and depression.巨大的空虚感汹涌袭来。The sense of space and emptiness is overwhelming.她的内心有一种隐隐作痛的空虚感。There was an aching emptiness in her heart....
She fancied she and Carrie were somewhere beside an old coal - mine.她梦见她和嘉莉不知站在哪个旧矿井的旁边.I just fancied a drink.我就是想喝点东西。They fancied themselves learned and assumed airs of erudition.他们自以为有学问,摆出一副博学的样子.When Ferris looked ...