Recycle system of shrimp culture wastewater was consisted of rotifer pond, deposit pond, bounce-back physical filtrate instrument and biological filtrate pond.

养殖排污水循环处理系统由轮虫净化池、 沉淀净化池、 反冲式物理过滤装置和生物净化池组成。

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By using biological method, microorganisms in the Shihongtan uranium deposit were isolated and identified for the first time at home.

在国内首次利用生物学方法对新疆十红滩铀矿床中的微生物进行了分离和鉴定。

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The source of the organic matter in the metallic deposit is one of the important and difficult issues for the research into the biological mineralization.

金属矿床有机质的来源问题是探讨生物成矿作用的重点和难点之一 。

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