Study on the Influence of Filter Aids on the Performance of Conventional Filtration
yu jian 1; zeng guang-ming 2; xie shui-bo 3; ren wen-hui 1; he yuan-chun 1 (1.college of civil engineering; hunan univ; changsha; 410082; china; 2.dept of environmental science and engineering; hunan univ; changsha; 410082; china; 3.school of architectural engineering; resources and environment; nanhua university; hengyang 421001; hunan; china)
..............page:50-54
..............page:39-41,80
..............page:86-89,98
A Study on Current Treatment and Management of Electronic Waste
chen su 1; fu juan 2; chen zhao-meng 3 (1.research institute of tsinghua university in shenzhen; shenzhen 518057; guangdong; china; 2.shenzhen seg-hitachi color display device co.ltd.; shenzhen 518035; guangdong; china; 3.school of architectural; engineering resources & environment engineering; nanhua university; hengyang 421001; hunan; china)
..............page:81-85
..............page:69-72,95