• 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.

    本文根据现代河流的已知沉积微环境中的砂样分析,阐述了河北平原河流沉积物的粒度成分、形态和石英颗粒的表面结构特征。

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  • Based on the data from Datong gauging station of Yangtze River, the grain-size characteristics of suspended sediment has been studied by using regression analysis.

    以大通站为例,用回归分析的方法研究了长江入海悬移质泥沙的粒度特征。

    youdao

  • Based on the data from Datong gauging station of Yangtze River, the grain-size characteristics of suspended sediment has been studied by using regression analysis.

    以大通站为例,用回归分析的方法研究了长江入海悬移质泥沙的粒度特征。

    youdao

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