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...
Do they like the talent show ? And why?他们喜欢看才艺秀 吗 ?为什么?Following, I declare, True self graceful bearing for talent show Let's begin.下面, 我宣布, 真我风采才艺展示联欢会现在开始.Who won the talent show ? By what, dancing or singing?谁在有奖...
He fought tooth and nail to keep his job.他竭尽全力保住自己的工作。A mirror hung on a nail above the washstand.脸盆架上方用钉子挂着一面镜子。One dip into the bottle should do an entire nail.往瓶子里蘸一下的量就应该能涂满整个指甲。...
他因赡养年迈的母亲而得以减税.He gets tax relief because he supports his old mother.她有义务赡养她的养父.She is under an obligation to her adoptive father.她有义务赡养她的养母.She is under an obligation to her adoptive mother....