In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂.Dichloroethane can be converted to VCM.二氯乙烷被转化为氯乙烯.Objective : To investigate the CT and MRI features of Subac...
For example, consider the use of prefixes and suffixes.例如, 那前缀和后缀的使用来说.It is important to pronounce suffixes clearly, with the proper stress.后缀在发音时,清楚和适度的重音是很重要的.Derivational affixes can be prefixes or suffixes.派生词缀可以是前缀...
在半导体收音机中晶体管代替了真空管.In semiconductor receivers transistors take the place of vacuum tubes.与老式真空管相比,晶体管具有许多优点.Transistors have many advantages over the old - fashioned vacuumtube valves.真空管或显影管都未破碎.No vacuum or picture tube...
你认为最被纵容的过错是 什么 ?我理解的那些过错.To what faults do you feel most indulgent? Those that I understand.纵容的父母经常会惯坏孩子.Pampering parents often have spoilt children.你认为最被纵容的过错是 什么 ?To what faults do you feel most indulgent?...
Nunsmere Hall can cater for receptions of up to 300 people.纳恩斯米尔酒店最多可以同时接待300人。It is an ideal location for wedding receptions, having large attractive grounds.这是婚宴的理想场所, 有大而迷人的地面.And remember - at most wedding receptions...