The effect of acidity on synthesis of phenylbiguanide additive reaction of aniline with dicyandiamide was studied.研究了酸度对苯胺与双氰胺加成反应生成苯基双胍的影响.Major Composite of thc SeaIant is bisphenol A epoxy resin, dicyandiamide, ureido...
Bess shrieked with protesting laughter from the front room.贝斯在前屋尖声笑着喊道.They were protesting British taxes on tea for the colonies.以此来反抗英国对殖民地征收的茶叶税.She ran to us, protesting it had all been her fault.她向我们跑来, 强调说,这都怪她....
这给包拆制卡和会员卡制息更斥不天了更褊狭的阛阓.This gives packaging business card printing and membership making a broader market.但是副业拍照师则需给更褊狭的色域撑持和更澈底的打印精度.But professional photographer you need to support a wider gamut and more detailed pri...
She was safe from predatory birds on the verandah.在阳台上她不会遭到猛禽的袭击.the slow passage of a snail across the verandah蜗牛缓慢地爬过阳台Horn made him a sign to come onto the verandah.荷恩向他打了个手势,要他到游廊上去.Men in straw boaters and waxed mus...
It was a marvel that the floor never gave way.惊奇的是地板居然从未塌陷。She's marvel to be able to shoot with such accuracy.她的枪法那么好,真不简单.Niagara Falls is one of the greatest marvel in the world.尼亚加拉瀑布是世界大奇景之一....