grain-size analysis

Almost every soil test code demands soaking treatment for fine clastic soil before grain-size analysis.

几乎所有的士工试验规范均要求细碎屑土在颗粒分析前进行浸泡处理。

Classification of lake bottom sediments using a wideband active sonar system Application of self-organizing mapping artificial neural networks to grain-size analysis

宽带声呐湖底沉积物分类研究自组织人工神经网络在矿区沉积物分类中的应用

Therefore Courter counter method for grain-size analysis is reliable.

因此，无论从科学性还是实用性，运用库尔特计数器进行粒度分析是可靠的。

In sum, using laser grain-size analysis in studying soil mechanical composition was feasible.

总之，运用激光粒度分析土壤机械组成是可行的。

The content and distribution of available silicon, grain size, clay minerals in the soil, pH of soil solution, and silicon solubility in the weathering process were studied by means of XRD, grain-size analysis and simulating experiment on soil weathering.

利用XRD、粒度分析、土壤风化模拟试验等方法，对黄土区土壤有效硅含量分布、土壤机械组成、粘粒矿物种类及含量分布、土壤溶液pH值和土壤矿物风化过程中硅的析出规律进行研究。