在已研究过的聚合体系中链段重排是重要的速度决定步骤.In the polymerization systems studied, segmental rearrangement is the important rate - determining phenomenon.我们可以用两种主要方法重排这个方程.We can rearrange this equation in two main ways.这本书要重排铅字.The rearr...
The factory was due to shut for the festive period.节日期间工厂将关门。Festive paper decorations had been hung from the ceiling.喜庆的彩纸已经挂在天花板上。Beneath the festive mood there is an underlying apprehension.在喜庆的背后存在着隐忧。...
以单质碘为催化剂合成了环戊酮乙二缩酮.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.传统的缩酮化、酯化反应工业上多采用浓硫酸作催化剂.Traditional ketalization and esterification reactions are usually catalyzed by concentrated acid in industr...
She dreamed of being a bareback rider in a circus.她梦想成为马戏团中的一名无鞍马骑手。I find life more charming and more astonishing than I'd ever dreamed.我发现生活比我想象的更迷人、更不可思议。I never dreamed that I'd tee up with Bob Hope.我做梦也没想到...
I know it's nothing serious and I feel quite unemotional about it.我知道那根本没什么大不了的，所以有些无动于衷。I feel it's done me good to get it off my chest.我感觉吐吐苦水对我有好处。I've gotten my feet thoroughly soaked and feel frozen t...