超声波振荡检测了氧化铝涂层的附着牢固度。
The fastness degree of coating was determined by ultrasonic vibration.
目的：探讨采用草酸铵作为提取溶剂和超声波振荡处理法提取菠萝皮渣果胶的工艺条件。
Objective An extraction process for pectin from pineapple residue was studied using ammonium oxalate as the extraction solvent combined with ultrasonication.
目的：探讨采用草酸铵作为提取溶剂和超声波振荡处理法提取菠萝皮渣果胶的工艺条件。
Study is made of a new process for directly extraction of the cobalt oxalate from ammonium oxalate in the acid solution directly dissolved from lithium cobaltate.
应用推荐