A wide | bore capillary was employed to determine caprolactam content.利用大口徑柱測試己內(nèi)酰胺生產(chǎn)中己內(nèi)酰胺含量.This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.該方法使用帶有二烷基咪唑鹽 、 烷基吡啶...
Azone is synthesized with caprolactam and 1 - bromododecane by phase transfer catalysis, the yield is > 70 %.以己內(nèi)酰胺、澳代十二烷為原抖,采用相轉(zhuǎn)移催化法合成氮酮, 收率達(dá)到70%以上.A wide | bore capillary was employed to determine caprolactam content.利用...
霧靄蒙蒙,白金漢宮若隱若現(xiàn)。Mist shrouded the outline of Buckingham Palace.蒙蒙霧靄籠罩著山谷,遮掩了群山.Heavy mists hung in the valley and obscured the mountains.籠罩山谷的霧靄散去了.The mist shrouding the walley had lifted....