They were crazed by the famine and pestilence of that bitter winter.他们因那年严冬的饥饿与瘟疫而折磨得发狂.A pestilence was raging in that area.瘟疫正在那一地区流行.A pestilence was raging in this area.鼠疫正在这一地区流行....
Diisopropyl succinate was synthesized from succinic acid and isopropanol with p - methyl benzenesulfonic acid as catalyst.摘要以丁二酸和异丙醇为原料及对甲基苯磺酸为催化剂,催化合成丁二酸二异丙酯.Diisopropyl phosphite was directly synthesized from phosphoru...