Burial diagenesis causes a progressive transformation of smectites, the end-products being dependent on PH and pore water chemistry.

埋藏成岩作用可使蒙脱步转化，最终产物决定于PH值及孔隙水的化性质。

Objective To investigate the therapeutic effects of colonic lavaged and dioctahedral smectite retention enema on persistent and chronic diarrhea disease in children.

摘要目的观察结肠洗联合思密达肠治疗小儿迁延性慢性腹泻病的临床疗效。