描述了淡水沉积物毒性的生物测试方法。
让黄河的大量泥沙通过人工导流的方式沿莱州湾南岸与渤海海峡沉积延伸，产生的陆地将渤海封闭并逐渐形成淡水湖。
The great deal of silt in Yellow River can quickly create land, so the Yellow River can be diverted across the coast of the Laizhou Gulf and Bohai Channel by the deposition.
黄县盆地早第三纪黄县组的沉积环境，存在两种不同的认识，一种认为属内陆淡水湖泊沉积，另一种认为是滨海泻湖沉积。
The understandings for sedimentary environment of Paleogene Huangxian Formation in Huangxian basin are different, or suggesting it as inland fresh water lacus, or considering it as coastal lagoon.
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