Diacetone acrylamide ( DAAm ) was prepared by reacting acrylonitrile with diacetone alcoholammonia.以二丙酮醇和丙烯腈为原料,利用简便、温和的反应条件合成新型乙烯基功能单体-双丙酮丙烯酰胺.PET fibres were grafted acrylonitrile ( AN ) initiated by benzoyl peroxide.以...
房子里似乎悄然无声，安静得好像已经没人在住一样。The house seemed muted, hushed as if it had been deserted.他的车滑到了大楼的一侧，抵住了。He slewed the car against the side of the building.原来，他租住的那栋建筑是一座教堂。The building he was lodged in turned out to be a churc...
阿西妮的马凶恶地、吓人地、一动不动地立在庙墙旁边.Athene's horse stood grim and gaunt and motionless beside the temple wall.你少管闲事!店老板叫着, 凶恶地看他一眼.You mind your own business, shouted the landlord, turning savagely on him.他阴沉[凶恶]地注视着我.He looke...
一旦鸡蛋孵化后，蛋壳就没用了。Once the eggs have hatched the shells are left behind.虫卵很快孵化成幼虫。The eggs quickly hatch into larvae.雌鸟伏在蛋上直到其孵化。The female sits on the eggs until they hatch....