This paper reports a new synthetic method of nickel borate acylate.本文研究了以碳酸镍合成硼酰化镍的新方法.Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80...
在开始使用前把氢氧化钾电介质压入蓄电池.The potassium hydroxide electrolyte is forced into the cells just before use.碱,拼写为l -y-e,也称为氢氧化钠或者氢氧化钾.Lye - - spelled ly - e -- also called sodium hydroxide or potassium hydroxide.一种强的钠或氢氧化钾溶液.A subs...
在沙漠的尘暴中要想保持方位感是不可能的.To keep your bearings in a desert sandstorm is impossible.对应商末以来大量旱灾、尘暴记载.There were much riot in the end of Shang dynasty.尘暴的时代将卷土重来.The Dust Bowl era will return....
Popular acceptance of authority had been an early aim of the Nationalists.国家主义者的一个早期目标是推动民众对权威的接受。The conversations were designed to undermine her authority so she felt that she could no longer work for the company.这些谈话有...
They extrapolate from the electronic image its evanescence itsits virtual, metamorphic and above its neurotic nature.他们在作品中抓住了电子图像消亡、变化、虚拟 、 变形和最多的神经机能的本质....