1) equivalent grain
等效粒径
1.
By analyzing influence of shape coefficient and exposure degree,the formulas for calculating equivalent grain and the incipient motion condition of non-uniform sediment are established by the relative exposure degree and shape coefficient.
根据非均匀沙颗粒的不均匀性,引入颗粒形状系数,通过分析泥沙颗粒形状系数和相对暴露度的影响,建立了等效粒径表达式;并通过泥沙起动受力分析,推导得到泥沙起动临界条件表达式。
2.
The formula for calculating the incipient motion condition of non-uniform sediment has been established by considering the equivalent grain and the relative exposure degree.
阐述了泥沙起动机理,通过对等效粒径概念及表达式的引入,推得了泥沙起动公式。
2) Equivalent Grain Diameter
等效晶粒直径
3) allowable equivalent grain size
允许等效粒径
4) optics sizing
光学等效粒径
1.
In order to analyze the difference of optics sizing and aerodynamic sizing of aerosol particle, a method for revising the aerodynamic sizing using optics method is proposed.
针对空气动力学粒径和光学等效粒径之间存在的差异,本文提出对空气动力学粒径进行光学修正的方法。
5) equivalent mean diameter of aggregate
骨料等效平均粒径
6) unequal particle diameters
不等粒径
补充资料:调和平均粒径
分子式:
CAS号:
性质:在混合颗粒中,直径为d1、d2、…dn的颗粒的质量分率,分别为x1、x2、…xn,则混合颗粒的调和平均直径可按下式计算:
CAS号:
性质:在混合颗粒中,直径为d1、d2、…dn的颗粒的质量分率,分别为x1、x2、…xn,则混合颗粒的调和平均直径可按下式计算:
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条