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.Conducting polyaniline ( PANI ) and poly - O - methylaniline ( POT ) were prepared by ...
Good luck is when an opportunity comes along and you're prepared for it. 好运就是当机会来临时，你早已做好了准备。Many students are not adequately prepared for higher education.许多学生并未做好接受高等教育的充分准备。A minority of officers were prepared to...
Thin film transistor ( TFT ) is one type of field effect transistors ( FET ).薄膜晶体管 ( TFT ) 是众多场效应晶体管 ( FET ) 中的一种.In semiconductor receivers transistors take the place of vacuum tubes.在半导体收音机中晶体管代替了真空管.The transformer is...
The plant uses the carbohydrates to make cellulose.植物用碳水化合物制造纤维素.The linear glucan molecules of cellulose are bound together by hydrogen bonds.纤维素中直链葡聚糖分子由氢键连接在一起.The rejected carbohydrate matter is cellulose and other h...
建筑工人在8根细柱上架起轻巧的混凝土穹顶。The builders have perched a light concrete dome on eight slender columns.最终，水会渗透进周围的混凝土中。Eventually, the water will permeate through the surrounding concrete.鲜花摆上之后，突兀的混凝土墙便显得柔和起来。Stark concrete wall...
I used to edit the college paper in the old days.以前我曾经做过大学校报的主编。Three CBS cameramen were on site to shoot and edit taped reports.3名哥伦比亚广播公司的摄影记者在现场拍摄并编辑录像报道。He taught me to edit and splice film.他教我电影剪接。...
These developments were foreseen in embryo more than a decade ago.这些发展早在十多年前的萌芽阶段就已预见到。Breakfast television arrived in British life precisely a decade ago.准确地说，早间电视节目于10年前进入英国人的生活。A decade later, the company has gone fro...