This was due to hindered reaction in the chlorosulfonation.这是因为氯磺化反应存在位阻效应的缘故.The rate of chlorosulfonation increased with increasing concentration of the gaseous mixture.气体有效浓度增加,氯磺化反应速率增加,氯气和二氧化硫的体积配比以1∶1为佳.Finally, th...
Charlemagne, another great ruler, found it handier to grip his sword with his left hand.另一位伟大的统治者查理曼发现自己左手握剑比右手握剑更加灵便.The supermarket might be cheap but corner shop is handier.超市或许价格便宜些,但小店买东西更方便....
她选择玛吉为她拍订婚照的时候化妆。She chose Maggie to make her up for her engagement photographs.我觉得我们订婚期间非常不愉快。I felt our engagement was quite an unhappy time.在我18岁生日那天我们订婚了。We got engaged on my eighteenth birthday....
Both sides have been reinforcing their positions after yesterday's fierce fighting.双方经过昨天的激战后都在向各自的阵地增派兵力。-- Reinforcing vocational training among the farmers.-- 加强对农民的职业技术培训.The six characteristics of modern growth...
生物防治是一种生态学上的很好解决为害物的方法.Biological control is an ecologically sound approach to pest suppression.同样,许多农学院和农业大学中也忽视基础生态学.Basic ecology has similarly been ignored in many agricultural schools and universities.对植物生态学的研究通常比动物...