Methods of chemical analysis of tungsten - the beryllium as carrier precipitation agent - molybdenum blue photometric method for the determination of phosphorus content 钨化学分析方法铍为载带沉淀剂-钼蓝光度法测定磷量
2.
Poly ( methacrylic acid ) ( maa ) and poly ( acrylic acid ) ( aa ) microgels have been prepared as templates by employing inverse emulsion polymerization techniques . four types of spherical organic - inorganic nano - composites have been prepared by introduction of precipitation agent into the pmaa / paa microgels containing appropriate rate metal ions 本课题开展了两个模板体系的研究，即分别以丙烯酸( aa )和甲基丙烯酸( maa )为聚合单体，利用反相乳液聚合方法合成了几种包埋有不同金属离子的高分子微凝胶。
