Two - stage chromate reduction has been used at several plants.一些厂已采用两段铬酸盐还原法.The potassium chromate method is one regular method to determine COD.重铬酸钾法是测定化学需氧量的常规方法.Cr - Fe waste residue is derived from production of ch...
Lysolecithin is probably best studied with regard to its fusing capabilities.溶血卵磷脂就其融合性来说,可能是研究得最为彻底的.MCI provides applications with device - independent capabilities for controlling audio and visual peripherals.MCI给应用程序...
He raced to pick up the lifejackets while his stepmother sent out a Mayday call.他的继母发出无线电求救信号的时候，他飞跑着去拿救生衣。Mayday! Mayday! - All right now, everybody, get in crash positions!救命! 救命! - 好的,现在, 所有人, 做好坠机姿势!That's the p...