head pressure
英 [hed ˈpreʃə(r)]
美 [hed ˈpreʃər]
n. 排出（输送，水头）压力
双语例句
- Cassette tape: A plastic cartridge which contains 1/ 4 inch or narrower tape, takeup reels, and a read/ record head pressure pad.
盒带：一个塑胶盒，装有1/4时或更窄的胶带，收带卷轴和写读头压力垫。 - This can be translated to lower die head pressure or lower mechanical tear and wear or higher extrusion productivity ( up to 21%) without compromising product quality.
这有助于降低口模压力，减少机械磨损或提高挤出生产率（高达21%）。 - Analysis result of high productivity gas wells in Luojiazhai shows temperature effect of well bore as the key factor affecting well head pressure.
罗家寨高产气井测试分析结果认为井筒的温度效应是影响井口压力的关键因素。 - Equally effective in checking back flows from head pressure on the discharge or suction sides of pump.
无论是泵的排泄口的排出压力，还是泵的吸入口，其流体止回的效果都是相同的。 - Set head pressure, split flow, and septum purge flow to appropriate levels.
设置相应的柱头压、分流比、隔垫吹扫。 - In general, the head pressure of power station in river channel is lower comparatively, but the unit discharge is always greater, in this way, the dimension of the hydropower house is usually larger.
河床式水电站水头比较低，而单机流量通常较大，这样水电站厂房的进水口、蜗壳和尾水管等尺寸较大。 - For high well head pressure, the operation of conventional adding sand fracture treatment tech can not fulfilled.
由于施工井口压力高，常规加砂压裂工艺无法实施作业。 - Water injection capability is low and there is impossible to increase well head pressure in Shanshan oilfield.
针对鄯善油田目前注水能力低，并且井口提压没有余地的情况。 - When the squeeze heads compress the bearing, the position of the squeeze heads can be automatically adjusted to guarantee each squeeze head pressure is equal.
压头在压紧轴承的时候，可以自动调整压头的位置，保证各压头压力均等。 - The head pressure increases when the melt viscosity and temperature decreases, so the products will have good shape and favorable stability.
温度降低时，熔体黏度大，机头压力增加，挤出制品压的较密实，形状稳定性好。 - Through studying the observed data of water level, well head pressure and outflow in Wuhe and Lujiang wells, Anhui Province, China, the authors found the precursory evidences of the far field.
通过研究安徽省五河井水位、沪江井井压和流量的观测资料，笔者发现了大震前远场中期异常的证据。 - The parameters such as the head pressure and the flow rate with relation to the hoisting current of the electromagnetic pump which devised by our foundry research center had been studied.
对于我们铸造中心自主研发的电磁泵研究了泵高、流量等工艺参数与电极电流的关系。 - Well head pressure of high productivity gas wells performs abnormally while testing, that is the flowing pressure "bouncing descend-ascend-descend", the buildup pressure "bouncing ascend-descend", which differs completely from the change law of bottom hole pressure.
高产能气井测试时井口压力表现异常，开井压力跳跃下降-上升-下降，关井压力跳跃上升-下降，与井底压力变化规律完全不同。 - The optimal sprinkler configuration of center-pivot irrigation system can be obtained with the model, at the same time, the demand flow and head pressure were given.
利用该方法和数学模型可确定中心支轴式喷灌机的最佳喷头配置方案，同时得出与该方案相匹配的机组入机流量和入机压力。 - Experiments were then carried out to reveal the effect of vibration force field on the melt conveying in an extruder with single screw vibration, and to reveal the head pressure and the screw characteristics varying with the vibration frequency and amplitude.
并在单螺杆振动诱导塑化挤出机上就振动力场对聚合物熔体输运过程的影响进行了实验研究，分析了螺杆振动频率与振幅对挤出压力和挤出特性的影响规律。 - As the pipelines layout along the relief of complicate plot for example, the hydraulic analysis results showed that the needed head pressure of system and the pressure regulation range at all nodes were larger than that in flat plot.
给出了一个复杂地貌条件下微灌管网沿地势变化的仿真设计实例，水力分析表明系统所需水头以及管网节点的压力调节范围均大于对平坦地块的要求。 - But in the continuing head pressure, rock available hydraulic slope value trends to decrease.
而在较高水头压力的持续作用下，岩体的允许水力坡降值则有减小之势。 - Influence of head pressure and pipe characteristic on the change of water hammer wave speed
水头压力及管道特性对水击波速变化的影响 - Design About the Water Lifts of Head Pressure Transition Based on PLC
基于PLC控制的水头差压力转换提水装置的设计 - The basis of selecting profile control well includes permeability, water injection profile, injection behavior and well head pressure fall off curve.
油田选择调剖井的指标主要有渗透率、吸水剖面、注入动态和注水井的井口压降曲线等，目前一般以定性分析结合经验判断来选择调剖井。 - The change of well head pressure, gas injection rate and liquid level in tubes etc vs time during the process of unloading is also simulated by the software.
模拟了卸载过程中井口压力、注气速度、油管液面高度等随时间的变化情况，并算出了最小放喷压力。 - The parameters such as the head pressure and the flow rate with relation to the electrode current of the Electromagnetic Pump had been studied. SOLA-VOF is the model of numerical simulation on process of Electromagnetic Pump filling which fits the characteristic of Electromagnetic Pump filling.
本文研究了电磁泵泵高、流量等工艺参数与电极电流的关系，并针对电磁泵充型过程的特点确定SOLA-VOF法为其数值模拟的数学模型。 - In this paper, first, according to experimental data, an experience formula after considering the be-ding course's decreasing pressure effect to calculate the piezometric head pressure underneath concrete pro-tection slab is derived with curve fitting least square method.
根据试验资料，先用曲线拟合最小二乘法推导出了考虑垫层减压影响的计算混凝土护板下测压管水头压力的经验公式。 - To determine the relation between water head pressure and grain motion by precisely setting the change of sample loss amount in model test;
通过室内模型试验准确测定试样流失量的变化，以确定水头压力与颗粒移动的关系； - Based on this, the forecast formulas of displacement under different head pressure of every area at the bottom of pit are given.
并给出了基坑底部各个区域的不同水头压力下变形的预测公式。 - Study on dynamical head pressure formed near spur dike of non-overflow type
非淹没丁坝动水压力研究 - As the water level gradually rose and the hydraulic head pressure difference between upstream and downstream was continuously increasing, it had been appeared infiltrating on downstream slope of the dam.
随着堰塞湖水位逐渐抬升，堰塞坝上下游水头差不断增大，水流已通过坝体向下游渗透。 - The destination goal of seepage calculation is solving hydraulic factor of seepage field such as seepage discharge, head pressure, compression force and hydraulic slope, analyzing seepage stability, selecting rational impervious design and drainage, or reinforcement design, effectively controlling seepage.
渗流计算的任务在于求解渗流场内的渗流量、水头、压力、坡降等水力要素，进行渗透稳定性分析，选择合理的防渗、排渗设计方案或加固补强方案，有效地控制渗流。 - With the rapid development of heating transmission and distribution system, especially in wide applications of variable-frequency technology, the traditional method, that designers choose cycle pumps according to available head pressure of the farmost consumer, is not save energy.
随着供热输配系统的发展，特别是变频技术的广泛使用，根据最不利用户资用压头选择循环泵的传统设计方法越来越显示其不节能的一面。