It is time to bury our past misunderstandings.是我们捐弃前嫌的时候了。Clear up misunderstandings between the two nations.消除两国之间的误会.Tell your midwife what you want so she can make a note of it and avoid misunderstandings.把你的要求告诉助产士,这...
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...