1) average specific frictional head loss
平均比摩阻
2) average friction
平均摩阻力
1.
Relationship of jacking force and average friction with jacking path in pipe-jacking construction;
顶管施工中顶力和平均摩阻力与顶程关系分析
3) sleeve friction
摩阻比
4) specific frictional resistance
比摩阻
1.
Based on optimal theory,apply dynamic analysis to study the optimal values of economic specific frictional resistance,and put forward a sound theory formula.
以最优化理论为基础,应用动态分析法,对热水供热管网经济比摩阻问题进行探讨,提出了合理的理论公式。
2.
Derives equations on the basis of the optimal theory for calculating the economic specific frictional resistance in hot water heat supply network.
以方案优化的理论为基础,分析推导了热水供热管网经济比摩阻的计算方程式,并运用典型实例得出了计算结果。
5) water specific resistance value
水比摩阻
1.
Making use of water specific resistance value offered the computing method.
概述了空调冷水系统优化设计时应考虑的几个因素;介绍了利用水比摩阻值的计算方法;用实例说明变流量冷水系统控制的优越性。
6) specific friction resistance
比摩阻
1.
The technical problem to the regulation of specific friction resistance were put forward.
工作目标是在运行中实现量化管理、节能降耗、确保平稳、均衡供热,适当调整比摩阻的技术问题。
2.
Applying maximum permissible unbalance rate of upfeed and direct return system for individual heating, the selection range of average specific friction resistance for entrance riser, pressure pre-reservation value for entrance inlet and building inlet are determined.
利用分户供暖下供下回异程式系统允许最大不平衡率,确定单元立管平均比摩阻的选取范围、单元入口压力预留值、建筑物入口的压力预留值。
补充资料:肺循环阻力(或全肺阻力)
肺循环阻力(或全肺阻力)
pulmonary circulation resistance
血液在肺部血管内流动时和血管壁之间的摩擦力和血液内部的摩擦阻力。肺动脉管壁较薄,分支短而管径大,故肺动脉的可扩性较大,对血流的阻力很小,仅0.12PRU(外周阻力单位)。肺循环动脉部分总的阻力和静脉部分总的阻力相等,故血液流动时在动脉部分的压力降落和静脉部分的压力降落相等。
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