The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.Amphoteric monomer is prepared with acrylic acid , dimethyl...
Kinetic parameters of a cyclic amidase with maleimide as the substrate was assayed by HPLC method.采用高效液相色谱法(HPLC)分析并测定了环二酰胺酶水解马来酰亚胺反应的动力学参数.A novel enantioselective amidase screening system was developed and proved to be...
我爸爸轻轻地把几块小肉片菜卷推到盘子边.My father nudges couple of olives toward the edge of plate.寿喜烧是用小肉片 、 菜和豆腐制成的.Sukiyaki is made of small pieces of meat, vegetables, and tofu....
He took frequent junkets with friends to exotic locales.他经常和朋友们到一些具有异国情调的地方公款游玩。Lost persons problems multiply when families are disbursed to different locales.当家庭被派送到不同的地区时,人员失踪问题会大量出现.Various documents on Lao: fonts, e...
You can watch aircraft take off or land at close quarters.你可以近距离观察飞机的起降。I'm 29 and three-quarters.我29岁零9个月。The estate consists of a main house, servants' quarters, a garage, stables and 100 acres of woods.这地产包括...
He reckons she's having it off with the gardener.他认为她和园丁有一腿。It reckons that rationing would ossify the farm industry.人们认为实行配给制会使农业失去活力。He reckons on being world heavyweight champion.他相信自己能成为世界重量级冠军。...