In this paper one will know the method, by which model MS-3 casting gum is abstracted from the remains deserted in produ......

国内褐藻工业传统的方法是将废渣同其它废水一起排放掉，造成严重的环境污染。中国科学院海洋研究所和南京工学院、南京汽车厂铸造厂......