压力水头 meaning in Chinese
piezometric head
pressure head
Examples
- Low pressure trickle irrigation is based on the little effect of pressure on the quality of drip irrigation system
压力水头对滴灌系统的灌水质量影响很小，这为低水头滴灌提供了理论依据。 - In a short , answer to the optimizing length of porous pipe is very important in optimum design of trickle system
毛管和支管的直径以及设计压力水头一定的情况下，大于或小于毛管的经济长度，都会使滴灌系统的费用增加。 - The outcome shows that the ratio of the distance of average pressure position from the entrance to water of drip line to the length of drip line varies from 0 . 3 to 0 . 4
模拟结果显示，毛管的平均压力水头在距离毛管进水头0 . 3 0 . 4范围内变动。 - Average pressure position of drip line is determined by programming on conditions that the distance of emitter , the styles of emitter the diameter of drip line and the length of drip line vary within probable range
在田间滴灌管网常见的布置情况下，如灌水器间距、灌水器类型、毛管管径、毛管长度等在各种可能的变动范围内，模拟毛管上平均压力水头所在位置的范围。 - Experiments about the influence of aeration on the velocity of the submerged jet was made . it has been proved that the main reason of the influence of aeration on scour is the more rapid decrease of the velocity of the submerged velocity . 6
对基岩的冲刷进行了数值模拟，选取临近底部的结点处的压强（压力水头值）与结点处水深的差值，再与结点处垂直于底面方向的速度分量的0