Don't degrade yourself by answering him.不要自贬身分去搭理他.Alginate lyase can degrade alginates into oligosaccharides, and it's a kind of important tool enzyme.褐藻胶裂解酶能裂解褐藻胶制备寡糖, 是一种重要的工具酶.The results indicate that ozon...
She wrinkled her brow inquisitively.她好奇地皱起了眉头。My bank manager furrowed his brow, fingered his calculator and finally pronounced 'Aha!'...我的银行经理眉头紧锁，拨弄着计算器，最后终于“啊哈!”了一声。He was on the look-out just below the brow...
研究了硼砂盐浴渗铬和氯系熔盐渗铬.It was investigated that chromizing in borax salt bath and melting hydrochloride.而且浇注温度越高, 铸渗铬合金层越厚.The higher casting temperature, the thicker castchromized alloy layer.研究了铸铁表面铸渗铬合金层形成过程.The forming pro...