以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸铈铵为催化剂,...
我意识到人们对什么是男性价值观和什么是女性价值观并无共识。I realize there's no consensus on what are male or female values.危险因素会与日俱增已成为共识。The consensus is that risk factors have an accumu-lative effect.他们最终逐渐达成共识,终于取得了一些进展。At last they were agr...