With a view to standardizing the business operationsrelating to foreign investment of domestic and overseas secu-rities organizations and protecting the legitim
以CoFe2O4为磁核,尿素为沉淀剂,在纯水溶剂中合成了CoFe2O4/Zn AlLDH磁性复合材料,在400℃条件下煅烧4 h后,制备了CoFe2O4/Zn Al-LDO吸附剂.考察该吸附剂对酸性橙Ⅱ(AOⅡ),甲基
Entering in the month of November,Zhuhai—the sea-side garden city was full of exitement and activity.Marlboro Zhuhai International Automobile Race and ’96 Chi