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.The usual thinners are water, ethanol, isopropanol, ethylene ...
The patient's condition stabilized.患者的病情稳定下来。His blood pressure has stabilized.他的血压已经稳定下来了.These symbols became stabilized by the development of printing.由于印刷业的发展,这些符号才得以稳定下来....