1) caving hydraulic radius
崩落水力半径
2) 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。
3) hydrodynamic radius
水力学半径
1.
Measurement of protein hydrodynamic radius and its applications to monitor protein denaturation;
蛋白质水力学半径的测定及用于蛋白质变性过程的实时监控
4) drop-off radius
脱落半径
5) dropping ball radius
落球半径
1.
Using the methods of experiment and graphic, the influence of dropping ball radius on measuring viscosity of liquid is studied.
用实验和图解方法研究了落球法测粘度实验中落球半径对粘度测量的影响 ,给出了落球速度、运动距离与半径的关系 ,讨论了有限边界对速度的影
6) hydrodynamic radius
水动力学半径
1.
According to the "bridging" principle,the relationship between the hydrodynamic radius(R_(h)) of molecule that can block pore throat and the radius of pore throat(R) is: R_(h)>0.
根据“架桥”原理,可对孔喉形成较稳定堵塞的聚合物分子水动力学半径(Rh)与孔喉半径(R)的关系为:Rh大于0。
2.
The average hydrodynamic radius,Rh,of molecular coils in aqueous solution is determined by lazer light scattering method for commercial KY series(comb-like) polymers of M(nominal value) 1.
5×107的2种K系列商品普通聚合物(HPAM)在水溶液中的分子线团平均水动力学半径Rh;用压汞法测定了克拉玛依油田七东一克下组砾岩油藏的渗透率由0。
3.
The hydrodynamic radius of hydrated molecular coils of MO-4000 at 30℃ in standard Shengli brine Ⅱ is determined by using dynamic laser light scattering and is distributed mainly in range 20—100 nm with an average value 39.
用动态激光光散射法,在30℃、矿化度19334 mg/L的胜利Ⅱ型盐水中,测得该聚合物水化分子线团的水动力学半径Rh主要分布在20~100 nm范围,其平均值为39。
补充资料：水力半径
分子式：
CAS号：
性质：水力半径rh的定义为流体通道的自由截面积A与润湿周边L之比，即rh=A/L。对于圆形管，A=πd2/4,L=πd，则水力半径rh=d/4，即圆管直径d为水力半径的4倍。对于非圆形通道或在套管环隙中流动的流体，均可按上述定义求出其水力半径rh值，然后以四倍的水力半径rh值作为直径d的相当量，称为当量直径de即de=4rh。
CAS号：
性质：水力半径rh的定义为流体通道的自由截面积A与润湿周边L之比，即rh=A/L。对于圆形管，A=πd2/4,L=πd，则水力半径rh=d/4，即圆管直径d为水力半径的4倍。对于非圆形通道或在套管环隙中流动的流体，均可按上述定义求出其水力半径rh值，然后以四倍的水力半径rh值作为直径d的相当量，称为当量直径de即de=4rh。
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