Produced with special environment conditions,weathered coal has low thermal efficiency and covers large proportion of co......

The experiment was conducted at the Ganqika Sandy Land Ecological Station in Keerqinzuoyihouqi County, Inner Mongolia, i......

用四川南桐风化煤制成粒状腐植酸类净水剂，测定了它对印染废水的静态吸附特性，按优化条件处理印染废水，其脱色率和ＣＯＤｃＴ去除率均可达７５％。......