因此，深入研究砂岩成岩作用是分析孔隙水演化过程中离子迁移的重要环节。

Thus, studying sandstone diagenesis is an important link for analysis of ion migration in the evolution of pore-water.

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碳酸盐岩次生渗透性是成岩作用、构造作用、水动力作用及生物化学作用的综合结果。

The secondary permeability of carbonate rocks is the result of comprehensive process of diagenesis, tectonics, hydrodynamics as well as of biochemistry.

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该纤维完全不使用石油等化工原料，其废弃物在土壤和海水中的微生物作用下，可分解成二氧化碳和水，不会污染地球环境。

The fiber doesn't use oil, and other chemical raw materials, its waste in soil and water, the microbes may be broken down into carbon dioxide and water, not polluting the earth environment.

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