They were good catalyst for synthesis of n - butyl cinnamate.它们是催化合成肉桂酸正丁酯的良好催化剂.Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosilicic acid as catalyst.以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯.M...
这些都不同程度地制约或影响了我省经济更快、更好地发展.These factors restrict the economy develops of AnHui province in vary degrees.同时会增加你的保险风险或影响你的驾驶权.This could increase your insurance premiums or affect your right to drive.但在公司外培训会扰乱或影响雇员的日常生活....
Mr Perry made a note in his book...佩里先生在他的书上作了一个注解。Student - constructed virtual worlds were bank note updates and calls from Aunt Sheila.事实上,那些由学生们建造起来的虚拟世界,也会让Sheila姑姑 的钞票无法更新,或者没法打电话.Make a note of the reference numbe...
A few years later, Boulton applied steam power to minting coins.几年以后, 博尔顿将蒸汽动力应用到了硬币铸造.So the two main minting methods. of the ancient time were the pressed and the cast ones.因此,古代硬币制作是用铸造和冲压两种方法.Muscovites have always r...
声光调变 式 滤光片和液晶调变式滤光片在萤光显微镜学方面的应用做了比较.Side - by - side comparison of LCTF and AOTF in fluorescence microscopy was made.契约的要素不光有前 置 、后 置 条件和类不变式.Pre - and post - conditions and class invariants are not the only elements of ...
I'll take you to Chinatown for dim sum.安:我还可以带你去唐人街品尝小吃.I am interested in making Chinese dim sum, cakes and bread.我的兴趣是做中式点心 、 蛋糕和面包.Mother gave me to do dim sum , to help me cut fruit.妈妈给我做点心, 帮我削水果....