以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以冰醋酸、异丁醇为原料,硫酸高铈为催化剂合成乙酸异丁酯.A method for synthesis of isobutyl acetate based on ceric ...
纵使明天下雨, 他们也要去游览.Even if It'should rain tomorrow, they will go for an outing.纵使整个形象的描述都必须加以改变,这些方程也继续有效.Even though the entire imagery had to be changed, the validity of those equations persisted.纵使你从没见过那些字你也可以拆开它们, ...
The 40-year-old singer reformed his band.这个40岁的歌手重组了他的乐队。All loafers must be reformed into good citizens through participation in production.所有二流子都要受到改造,参加生产,变成好人.I flatly refused to be " reformed " .我干脆就不受这个 感化.The grea...