1) hydraulic particle size
水力粒径
1.
From test data the key parameters can be obtained including overflow rate,removal rate and hydraulic particle size.
大于100μm的固体颗粒水力粒径占50%左右,此部分颗粒适于用重力沉降或水力旋流工艺去除。
2) hydrodynamic size
水合粒径
1.
The dispersion of nanoparticles is regarded as the guide of heat transfer enhancement,dispersion stability was token by Zeta potential and hydrodynamic size of nanoparticles in aqueous coating system,stability of aqueous ZnO was studied under different pH values,different dispersant types and mass fraction,then the function mechanism was analyzed.
纳米粉体的分散性能对提高分散体系的导热性能具有重要意义,试验选用纳米粒子在水介质中的Zeta电位和水合粒径来表征体系的分散稳定性,探讨不同分散剂种类及其浓度以及不同pH条件对ZnO水悬浮液稳定性的影响,并分析其作用机理。
3) thick particle cement
粗粒径水泥
4) hydraulic radius
水力半径
1.
Discussion on discharge calculation error using mean water depth instead of hydraulic radius;
用平均水深代替水力半径的流量计算误差的探讨
2.
Discharges are always calculated by average depth instead of hydraulic radius in Manning Equation,in which width and depth ratio is more than 100.
应用曼宁公式进行流量计算时,当宽深比>100时,水力半径可以用断面平均水深代替。
3.
Based on the hydraulic radius concept,the calculation formulas of leachate collection pipes were given.
在水力半径基本概念基础上,针对渗滤液收集管,给出计算公式,通过引入无量纲参数相对水力半径和相对水深,简化公式并使计算的结果更具有普遍性,给出了相对水力半径和相对水深的关系曲线,提高了工程计算的效率。
5) hydraulic diameter
水力直径
6) aerodynamic diameter
空气动力学粒径
1.
The results showed that LD method can reflect the time-history plot after one actuation from aerosol and give the non-aerodynamic diameter,whereas TOF method can get the aerodynamic diameter and report mass median aerodynamic diameter values for two formulated aerosols.
结果表明,LD法能反映气雾剂气雾发生的过程变化,获得非空气动力学粒径;TOF法获得的为空气动力学粒径参数,与撞击器法测定的结果一致。
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