Azone is synthesized with caprolactam and 1 - bromododecane by phase transfer catalysis, the yield is > 70 %.以己内酰胺、澳代十二烷为原抖,采用相转移催化法合成氮酮, 收率达到70%以上.A wide | bore capillary was employed to determine caprolactam content.利用...
A wide | bore capillary was employed to determine caprolactam content.利用大口径柱测试己内酰胺生产中己内酰胺含量.This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.该方法使用带有二烷基咪唑盐 、 烷基吡啶...
我从餐具柜里取出一瓶自己收藏的最好的麦芽威士忌。I got a bottle of my best malt out of the sideboard.在过去的17年中，收藏的规模不断扩大。The collection has been built up over the last seventeen years.你可以将收藏的全部CD保存在电脑硬盘上。You can store your entire CD collection on...
He sank into a coma after suffering a brain haemorrhage.他在脑溢血后陷入了昏迷.She was in a coma for seven weeks...她已经昏迷7个星期了。She went into a coma after swallowing a whole bottle of sleeping pills.她吃了一整瓶安眠药后就昏迷过去了.That night he san...
充填料以银汞合金为好.The best filling material is silver amalgam.通过试验, 优化了碎石胶结充填料配比.Through the experiments, the mixture ratio of cemented crushed stone backfilling materials was optimized.充填料挤压输送泵是一种用于矿山充填的专用设备.The squeezed trans...
Family frictions can interfere with a child's schoolwork.家庭中的争吵会影响孩子的学业.As far as we are concerned, these frictions are not of our own making [ have been imposed on us ].就我们来说, 这种 摩擦 是被动式的.The plan is likely only to...
本产品配备一母座,可作为延长线功能.This products have one Rj - 45 jack for extended function.延长线和配线混在一起,很危险.Extension cord wiring a safety hazard.你有延长线 吗 ?Have you got an extension cord?...