Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,丁酸和苄醇为原料合成丁酸苄酯.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.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 bu...
Isoamyl butyrate was synthesized by using ceric sulfate 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 gallium sulfate supported on silica gel as the catalyst.以自制的硅胶固载硫酸镓为催化剂,正丁酸和...
Microscopically the ores are medium grained to amorphous.显微镜下,矿石为中粒至非晶质.Iron ores of greatest economic interest contain magnetite and hematite.最具有经济价值的铁矿包括磁铁矿和赤铁矿.Ores are also being obtained in quantity from other count...