When metal-bearing solution moved along deep faults to cavities or frac tures, the metal cations reated with pyrite and organic matter and precipitated as sulfid...

在构造减压带中，铅锌配合物交代地层中的黄铁矿或被有机质还原而沉淀富集。

In this paper,using CCl4 as solventia,MMA reated with chloroperene rubber.A new graft chloroprene rubber adhesive which are low toxicity, high strength, stable store was synthetized.

本文采用四氯化碳做为溶剂,甲基丙烯酸甲酯与氯丁橡胶在一定压力下进行自由基接枝共聚合。制得了粘接强度高、毒性低、储存稳定性好的新型氯丁胶粘剂。