为了给煤层气勘探和开发提供理论依据,必须对煤层气井井底瞬时压力进行分析。
In order to provide scientific basis for mining coal-bed methane, it is necessary to analyze the pressure on well bottom.
为了给煤层气勘探和开发提供科学依据,必须对煤层气井井底瞬时压力进行分析。
In order to provide scientific basis for mining coalbed methane, it is necessary to analyze the pressure on mine bottom.
按照等速采样的瞬时压力零点平衡法,结合现场应用实践,检验了采样装置的密封和传动机构性能。
The sealing and drive mechanism performance of the sampling device are examined in accordance with the transient pressure zero balance method and in combination with the field practice.
当面对瞬时压力时,55%的人会选择小睡一会或者保持沉默,25%的人则选择向家人朋友求助,还有22%表示自己会“出去找乐”。
When faced with immediate pressure, 55 percent said they choose to take a nap or stay silent, 25 percent consult their families and friends and another 22 percent said they "go out and have some fun".
并且可以实时显示瞬时和累计的分流流量,并可自由地对控制参数进行调节,以实现高压管网压力的闭环控制。
It can display instantaneous and cumulative flow division simultaneously, and regulate flow by controlling parameter in order to achieve close-loop control of pressure in high-pressure pipe network.
可以检测压力、流量并准确计算出瞬时功率,从而管理压缩空气能耗,实现大幅节能。
It can manage the air consumption for substantial saving by detecting pressure, flow and accurately calculate the instantaneous power.
历史显示,市场恐慌能令这些资金瞬时消失,让早已倍感压力的欧洲央行(European Central Bank)更加为难。
History shows that a market panic can make those funds suddenly unavailable, potentially putting an already stretched European Central Bank even more on the spot.
结果显示,气流的改变主要受电弧瞬时功率控制,最大流量不是发生于压力峰值时刻而是出现在电流过零时。
It is found that the gas flow is mainly controlled by instantaneous arc power and the maximum of gas flow appears not at peak pressure, but at current zero.
现提出一种利用曲轴瞬时转速,进行不解体检测坦克发动机汽缸压缩压力的方法。
This paper introduces a new method for measuring the compression pressures of tank engine in the way of measuring instantaneous speed of crankshaft without disassembly.
集传感器、数据采集、信号与转换等技术于一体的采集系统,是获取发动机气缸压力和瞬时转速信号的主要方式。
The acquisition system integrated with sensors, data acquisition, signal and conversion is the main way to obtain engine cylinder pressure and transient speed signal.
对发动机气缸压力和瞬时转速的分析和研究是获取发动机工作情况和故障原因的重要手段;
The analysis and research of engine cylinder pressure and transient speed is the important method to obtain the working condition and breakdown reason of engine.
爆炸发生在结构内部时,结构受到双重荷载作用:瞬时的冲击波荷载和长时间的准静态气体压力。
When explosion took place inside structures, the structure bore dual load: the transient shock wave and long duration quasi-static gas pressure.
抗穿刺的:瞬时最大压力值及相应行程,或设定最小破坏值,达到此能量时自动停止施压。
Puncture resistant: transient maximum pressure value and accounting distance , or design the minimum broken value , stop press when reaching the energy.
井下压力计普遍地用来确定在各种不同流动条件下的井下压力(压力瞬时分析的基础)。
Downhole gauges are commonly used in assessing the downhole pressure under various flowing conditions, the basis of pressure transient analysis.
可连续灌浆,避免了活塞泵过大的瞬时脉动压力。
Continuous grouting, avoid the piston pump large instantaneous pressure fluctuation.
模型可以预测发射过程中药室内压力、弹丸运动及工质的分解速率的瞬时变化。
The model predicts the transient variations of gun chamber pressure, projectile motion and the decomposition rate of propellant.
球壳内作用有流体压力时在瞬时响应模式下位移趋近于零,而孔隙水压力变化相对平缓。
In the case of fluid load the radial displacement in transient response mode tends to zero, and the porewater pressure varies relatively smoothly.
应用常规的地面压裂施工压力资料和前置液阶段的瞬时停泵压力测试等资料,初步探讨了求取储层原位岩石力学参数的新方法。
The rock mechanics parameters, such as Yangs modulus and Poisson's ratio, are determined on the basis of surface fracturing treatment pressure and instantaneous shut-in pressure during PAD stage.
液压系统动力学振动程度可用瞬时速度、压力和压力脉动描述其特性。
The dynamic vibration of hydraulic system is characteristic of instantaneous velocity, pressure and its oscillation.
研究表明:瞬时液相扩散连接中,压力的施加降低了液相的最大宽度,同时降低了降熔元素的总量,可以减少完成等温凝固所需要的时间。
Research showed that: during the transient liquid phase diffusion bonding process, there exists a critical value about the choice of the bonding pressure.
运用水力压裂理论推导出沉桩产生的超孔隙水压力在沉桩后瞬时沿桩身径向和竖向的分布。
Using the theory of hydraulic fracture, radial and vertical distributions of excess pore water pressure are subsequently studied along the pile surface during and after pile driving.
摄录由压力计在射击运动,人们可以记录的时间和压力,并用它来计算瞬时推力和总冲动的汽车。
By videotaping the gauge during firing of the motor, one can record the time and pressure and use it to calculate instantaneous thrust and total impulse of the motor.
摄录由压力计在射击运动,人们可以记录的时间和压力,并用它来计算瞬时推力和总冲动的汽车。
By videotaping the gauge during firing of the motor, one can record the time and pressure and use it to calculate instantaneous thrust and total impulse of the motor.
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