用无水硫酸铜作催化剂,在微波辐射下催化合成苯甲醛乙二醇缩醛。
Benzaldehyde ethylene glycol acetal was directly synthesized from benzaldehyde and ethylene glycol under microwave irradiation with cupric sulfate as catalyst.
用无水硫酸铜作催化剂,在微波辐射下催化合成苯甲醛乙二醇缩醛。
Synthesis of benzaldehyde glycol acetal catalyzed by strong-acid cation-exchange resin;
用无水硫酸铜作催化剂,在微波辐射下催化合成苯甲醛乙二醇缩醛。
Synthesis of benzaldehyde ethylene glycol acetal under microwave irradiation catalyzed by sulfate;
将无水硫酸钢(白色粉末)放进装有空压机油的试管中,如硫酸铜由白色变为蓝色,这也能证明油中有水分存在。
Will have no water steel (sulfuric acid) with white powder into the air pressure of the oil tube, such as copper sulphate from white to blue, it can also prove oil there is water there.
水可把无水的硫酸铜固体由白色变成蓝色。
H2O can turn anhydrous copper sulphate solid from white to blue.
并对无水和结晶硫酸铜的催化活性进行了比较。
The performance of copper sulfate catalyst were ivestigated and the catalytic activity of anhydrous copper sulfate was compared with crystal copper sulfate.
并对无水和结晶硫酸铜的催化活性进行了比较。
The performance of copper sulfate catalyst were ivestigated and the catalytic activity of anhydrous copper sulfate was compared with crystal copper sulfate.
应用推荐