The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosili...
按字母顺序排列的职业大全提供了有助于课程选择的信息。An A to Z of careers gives helpful information about courses.公司名录大全每季度出版一次。A full listing of the companies will be published quarterly.刺绣指南大全an A to Z of needlework...
The depth and microhardness distribution of alumetizing layer obtained on different technical conditions were measured.测定了不同工艺条件下获得的浸渗层深度和浸渗层显微硬度的分布....
Accountant John Talbot is a wizard with numbers.会计师约翰·塔尔博特精通数字。He was a wizard with camels.他是位养骆驼的行家.Wizard Wong had glanced at the tape several times.翁“魔术师”已经对磁带瞥了好几眼....