Atomizing solidification is the key procedure in atomized powder making and spraying deposition. 雾化凝固过程是雾化制粉和喷射沉积过程中的关键步骤。
By use of dodecatungstophosphoric acid as catalyst,butyl para hydroxybenzoate was synthesized by esterification of para hydroxybenzoic acid and butyl alcohaol. 以十二钨磷酸为催化剂,由对羟基苯甲酸和正丁醇酯化制得对羟基苯甲酸丁酯。