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....
Mark was palmed off with a series of excuses.马克被一连串借口打发了。Joseph made sure that he was never palmed off with inferior stuff.约瑟夫确保自己从不会被骗买一些次等原料。He palmed off the painting as a genuine Cezanne.他把那幅画冒充塞尚的真迹卖掉了.The thief pal...
Asynchronous FSK wireless data traffic interface circuit design.异步FSK无线数据通信接口的研制.Common Type , DTMF number display type and FSK calling display types available according to the functions.按功能分为普通型 、 DTMF号码显示型和FSK来电显示型三种.T...
Since June the country has had a coalition government...从6月份起，该国一直由一个联合政府执掌政权。Since 1976 he has been operating the shop with the assistance of volunteers...从1976年开始，他就在志愿者的帮助下经营这个店。'Since I retired to this place,�...
可以用歌唱艺术作类比.A close analogy with the art of singing can be made.尽管如此, 神经毒液毒杀人类比血毒液快得多.Be that as it may, the nerve poison does its business with man far more quickly than the blood poison.但是,现在来看看这种类比在什么方面有所不同.But now see...
Carbon steels exist in three stable crystalline phases.碳素钢含有3种稳定的结晶状态.High - carbon steels are called " hard ".高碳钢叫做 “ 硬钢 ”.I'll make full use of this opportunity to sell our steels here.我要充分利用这次机会,在此地推销我们的钢材....