Equivalent grain size
- 网络相当粒径
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Relative exposure degree and equivalent grain size of non-uniform sediment
泥沙颗粒暴露度与等效粒径研究
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Furthermore , the concept of equivalent grain size and the method for calculation is suggested .
同时提出了等效粒径的概念及其计算方法。
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Calculations of exposure degree , exposure coefficient and equivalent grain size for grains with various size located at different position relative to the riverbed are carried out .
并对不同粒径,在床面不同位置的暴露度、暴露度系数及等效粒径进行了计算。
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Aiming at the grain of pebble and its incipient characteristic , considering the influence of pebble shape and the relative exposure degree , the formula of calculating the incipient velocity of pebbles is deduced based on the equivalent grain size of pebble and the rolling incipient mode .
本文针对卵石颗粒及其起动特点,考虑卵石颗粒形状的影响,引入形状系数及相对暴露度系数,从卵石的等效粒径出发,采用滚动起动模式,导出了卵石起动流速公式。
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Effects of Zinc Equivalent and Grain Size on Corrosion Fatigue Properties of High-Strength Cast Brass
锌当量及晶粒度对铸造高强度黄铜腐蚀疲劳性能的影响
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The technology of image analysis is applied to measure the equivalent diameter and grain size distribution of six soil samples . The fractal dimension characterized by grain size distribution is obtained accordingly .
应用计算机图像分析技术,对6个典型土样测定土壤颗粒的等效直径和分布规律,给出用粒径的数量分布表征的土壤分形维数。