利用湿地减缓水体流速，并使化学沉淀物和相关污染物沉淀下来。
Use wetlands to slow the water down and allow sediments and associated pollutants to settle out.
尽管另一些人，质疑层叠岩石化石是否是细菌活动的结果，但他们也想知道那些化石是否只是化学沉淀物。
Others, though, question whether fossil stromatolites really are the result of bacterial action, and wonder whether they might be chemical precipitates instead.
本文还比较了胆汁沉淀物与培植牛黄的超微结构及组织化学性质，发现二者基本一致。
Sediment was observed and compared with cultured calculus bovis, both of them had the similar ultrastructure and histochemistry properties.
厚厚的包含化学制品和杀虫剂的沉淀物在一个多月后，流向大海，流向脆弱的海洋生态系统。
For more than a month, thick sediment has poured into the ocean depositing chemicals and pesticides onto fragile Marine ecosystems.
这些玄武岩还会与二氧化碳发生化学反应，从而减少二氧化碳的泄漏。由于在这个海床上覆盖着一层沉淀物，二氧化碳的泄漏便又得到了进一步的减少。
The basalt and the CO2 would react with each other, reducing the scope for leaks, which would be further diminished by the blanket of sediment that covers the ocean floor in that area.
这些玄武岩还会与二氧化碳发生化学反应，从而减少二氧化碳的泄漏。由于在这个海床上覆盖着一层沉淀物，二氧化碳的泄漏便又得到了进一步的减少。
The basalt and the CO2 would react with each other, reducing the scope for leaks, which would be further diminished by the blanket of sediment that covers the ocean floor in that area.
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