设计了反压式浇注系统；
反压系数的确定是设计副叶轮密封的关键。
The key to design an auxiliary impeller seal is to determine the opposite pressure coefficient k.
快速响应和高流动性，往往关键维护应用在反压罐压力。
Fast response and high flow is often critical to maintaining tank pressures in back pressure applications.
在英国，反压裂激进人士——一压力集团，已经关闭了钻井点。
In Britain, activists for Frack Off, a pressure group, have shut down drill sites.
内部反压跨端口设计使两棒，与空气过收回以轻松地清除堵塞部分。
Internal back pressure cross-port design allows both rods to be retracted with the air off to easily clear jammed parts.
本文分析了整流器在不同换流重叠角时的桥臂反压波形及谐波分量。
The waveform of the reverse voltage across the bridge arms and the harmonic contents are analysed.
如果增加构件自重，则可以进一步减小反压护肩的高度，提高稳定性；
If the semi-circular component has greater deadweight, the height of the counter shoulder protector can be reduced.
晶体管的种类很多，其中高反压晶体管在国民生产中发挥着重要的作用。
It consists of many species, of which high-voltage transistor is playing a key role in national productions.
还给出微泵流量与扩散管长宽比、厚宽比、液体粘度和进出口反压差的定量关系。
Quantitative relations of the pump flow rate versus the ratio of diffuser length to width, the ratio of diffuser thickness to width, fluid viscosity and backpressure were also given.
天然双层软土地基上的硬壳层具有应力扩散、反压护道、沉降滞后和封闭作用等特征。
The hard shell course on soft clay foundation has such characters as stress distribution, back berm, lagging behind of settlement and closed action.
基于实验数据和数值模拟结果，研究了外界反压和底部二次流对塞式喷管底部的影响。
Based on experimental data and numerical simulation results, effects of ambient pressure and base bleed on aerospike nozzle base behaviour are investigated.
此系统用一个排气扇，手动调节反压闸，压差传感器和一个进气过滤器压差高报警开关。
The system uses a vent fan, a manually adjustable backpressure damper, a differential pressure-sensing gage, and an inlet air filter high differential pressure alarm switch.
斩波器中主晶闸管反压时间的准确分析与计算是设计换流电感值与换流电容值的重要依据。
Accurate analysis and calculation of reverse-bias interval for main thyristor are the important basis to design the commutation capacitance and inductance.
分析了来流马赫数、出口反压、攻角、高速旋转等因素对进气道流场结构及主要性能参数的影响。
And then the influence of the inlet flow's Mach, the outlet pressure, Angle, high velocity to the structure and major performance parameter of inlet's flow field are analyzed.
但目前的有关教材和资料对这类电路中主晶闸管反压时间的分析和计算或者有误、或者没有论述。
But, in relevant published textbooks and references, the analysis and calculation is either not given or not correct.
排气扩压器的作用是将发动机排出燃气的部分动能转换成压力能，真实模拟发动机排气反压和环境压力条件。
The function of exhaust diffuser is to transform part of momentum energy of exhaust gases from engine into pressure energy to simulate actual exhaust back pressure and environment pressure.
飞兆半导体模型4000ABP的气动精密背压调节器是一个没有排气设计的稳压器，精确地控制系统的反压。
The Fairchild Model 4000ABP Pneumatic Precision Back Pressure Regulator is a No Bleed design regulator that precisely controls system back pressure.
作为对反压裂抗议活动的回应，法国直接禁止页岩气开采；在英国，反压裂激进人士——一压力集团，已经关闭了钻井点。
In response to anti-fracking protests, France has slapped a moratorium on the practice; in Britain, activists for Frack Off, a pressure group, have shut down drill sites.
以常温空气为介质，通过改变扩压器附面层抽吸能力、混合室隔板长度、扩压器出口反压及主进气流量等条件进行试验。
The essential performance had been achieved by testing through changing boundary layer ejector pumping capacity, mixing chamber clapboard length, the counterpressure, main inlet mass flux and so on.
通过电压峰值采样保持电路对IGBT串联二极管反压值进行采样，后经DSP A/D转换模块与反压设定值进行比较。
Sample the negative voltage on the diode series with IGBT by Peak hold switch circuit, and cut-in A/D module in the DSP, compared with setting value.
滑坡的处理应根据滑坡的不同特点采用相应的处理方法，常用的措施有排水处理、减载与反压、土体改良法、支挡结构抗滑等方法。
The proper treatment measures, including drainage, unload, improvement of the earth and retaining project, should be taken according to the characteristic of the land-slide.
对超声速冲压发动机进气道—喉道段进行了二维稳态流场数值模拟，给出了反压与攻角变化对冲压发动机进气道起动状态影响的数值模拟结果。
The prevailing software numerically simulates a 2-D internal steady flow of the ramjet inlet-isolator; the numerical simulation results of the state of start in the ramjet inlet are presented.
投井口处设有小翻盖，轻轻一压就可以把垃圾丢入垃圾桶中，松开后小翻盖自动复原，保证垃圾桶的密封，避免反味。
With the small flip up on the product, once lightly pressing, the garbage could drop into the dustbin; then loosing, the flip automaticly restore and avoid smell.
目前，在整体压裂优化设计方面，人们对五点井网和反九点井网的研究较多，而对菱形反九点井网的研究较少。
At present, more integral fracturing design research focus on five - spot well network and nine - spot well network but little on rhombus anti - nine - spot well network.
目的探讨二尖瓣狭窄伴反流的患者用压差减半时间(pht)法测量二尖瓣口面积的应用价值。
Objective To explore the clinical application of pressure half-time (PHT) method on rheumatic mitral stenosis coexisting mitral regurgitation.
目的：探讨引起急性颅内高压患者颅内压(ICP)反跳的因素。
Objective: to study the factors of rebound in acute intracranial pressure (ICP).
反极性期间由于铝合金作为阴极，阴极压降大电弧产热量也增大。
When Al alloy is used to be negative electrode, negative voltage produced more heat.
道钉安装完毕后两个小时内要做一次巡视，确保所有的道钉没有装反、装歪或压歪。
Spike installation done within two hours after the first inspection, to ensure that all the spikes are not equipped with anti -, pressure mounted crooked or askew.
道钉安装完毕后两个小时内要做一次巡视，确保所有的道钉没有装反、装歪或压歪。
Spike installation done within two hours after the first inspection, to ensure that all the spikes are not equipped with anti -, pressure mounted crooked or askew.
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