• By analysis of sand grain size in sediment microenvironment of modern rivers, the size and shape of grain and surface texture feature of quartz grain were described in this paper.

    本文根据现代河流已知沉积环境中的砂样分析阐述了河北平原河流沉积物的粒度成分形态石英颗粒表面结构特征

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  • By analysis of sand grain size in sediment microenvironment of modern rivers, the size and shape of grain and surface texture feature of quartz grain were described in this paper.

    本文根据现代河流已知沉积环境中的砂样分析阐述了河北平原河流沉积物的粒度成分形态石英颗粒表面结构特征

    youdao

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