The experiments were performed in solution for the synergistic adsorption of dodecylbenzene sulfonate and copper ions on......

改革开放以来,我国农民收入增长大体经历了五个阶段;新时期影响农民收入增长的因素主要是农业生产结构调整滞后、税费负担沉重等六......

研究了用紫外分光光度法测定龙葵平喘胶囊和AD-1注射剂中澳洲茄胺盐酸盐（SHBL）含量的方法．结果表明，澳洲茄胺盐酸盐在75％的甲醇溶剂中波......

In this paper,a silicas-supportedpolyethyleneimine resin is synthesized and its adsorption proper-ties are studied.Its s......