而环氧粉末涂料的固化反应只有环氧树脂与固化剂 - 双氰胺的交联反应.The cross - linkedstructure of epoxy and phenolic resins increased because of the crosslinking between the two resins.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.The effect of acidity on synthesis of phen...
用搅乳器搅拌时,奶油便凝结成块.When cream is churned, clots form.它把搅乳器弄翻了,并开始喝那打翻的乳脂.It knocked over the churn and began to drink the spilled cream.这个生气的农夫便放下搅乳器,抓住那条绳子.The angry farmer put down the churn and grabbed the rope....
Surgical training takes at least nine years, or 11 in the case of obstetrics...外科至少需要9年的专业训练,产科甚至需要11年。The training covers extended periods in obstetrics and gynaecology.该培训包括产科学和妇科学的增加课时。Moshe Hod, a professor of obstet...
Patterson went straight to the liquor cabinet and extracted a bottle of Scotch.帕特森径直走到酒柜前,取出一瓶苏格兰威士忌。Patterson describes Koko's personality as willful and stubborn:'she loves babies and young people.佩特森说,科科的性格是...