The relationship was analysised between organic matter, soil granular composition and cation exchange capacity(CEC) in Qinghai major soil types.
通过对青海主要土壤类型剖面的有机质、机械组成、阳离子交换量三者之间的关系分析。
From observation of light microscope, SEM and TEM revealed the predominant bacteria of various groups, and element composition of granular sludge was analysed by EDXA.
光学、扫描电子显微镜和透射电子显微镜观察揭示出各生理群的优势菌，并用能谱仪对颗粒污泥的元素组成进行了分析。
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