查询词典 high pressure

Therefore, the flow can be taken to change the method, the stem end of P1 into P2 in the stem end, which is high pressure, pressure a large valve is more effective.

因此，可采取改变流向的方法，将P1在阀杆端改为P2在阀杆端，这对压力高、压差大的阀是较有效的。

Experiments of steam - water two - phase flow frictional pressure drop through five vertically and horizontally positioned belieal coils were carried out in the high pressure steam water test loop of Xi an Jiaotong University.

在压力p＝4－14MPa，质量流密度G＝400－2000kg／m2·s，内壁热流密度q＝0－750kw／m2的参数范围内，进行了螺旋管内高压汽水两相流动磨擦阻力的试验研究。

Produces each kind of specification to shift gears the flexible axle, changes speed the flexible axle, the flexible axle controller, the controller unit, the hydraulic pressure drill tubing, the petroleum pipe line, the high-pressure oil pipe, checks the cotton thread, shifts gears the line, in the flexible axle the core, the steel wire, in executes the blockade to use the steel wire, the steel cable to lock steam Morocco and the engineering machinery spare part and the fitting and so on core steel wire, according to customer concrete demand and request processing and production!

生产各种规格换挡软轴，变速软轴，软轴控制器，控制器总成，液压油管，输油管，高压油管，刹车线，换档线，软轴内芯，钢丝绳，施封锁用钢丝绳，钢缆锁内芯钢丝绳等汽摩和工程机械零部件和配件，按客户具体需求和要求加工和生产！

A deep sea high pressure valve with pressure balanced poppet was designed to resolve the problem of bidirectional seal in the deep sea sampling devices.

为了解决深海取样中双向密封的困难，设计了带平衡阀芯的深海高压阀，高压阀选用耐高温、耐腐蚀、高强度工程塑料PEEK加工整体阀芯，采用PEEK阀芯-钛合金阀套的密封方式，并对这种阀的使用寿命进行了分析。

We own the advanced spertroscopic analysis equipment to ensure the quality of the material, high-pressure inspection equipment for testing pressure and leakage, gas-test equipment angle inspection platform, multi-countries' gauges, such as ring gauge and light gauge and melting process furnace.

高压试压试漏检测设备，气密性检测设备，角度检验台，各国标准的牙规，环规及光规，固熔化处理炉等先进设备。

It is found that channels with aspect ratio about 8 present the lowest effective thermal resistance at low pressure drop. However, the lowest effective thermal resistance appears for aspect ratio of 11 under high pressure drop.

研究结果发现，在低压力差的条件下，最低热阻值皆发生在深宽比约为8；但在高压力差的情况下，热阻值随著深宽比的增加而降低，且在深宽比大於11后趋向於定值。

During high pressure nitrogen quenching, besides the phase transformation process, the synthetic surface heat transfer coefficient is smooth. With increasing of nitrogen pressure, the synthetic surface heat transfer coefficient is improved.

计算结果表明，除相变阶段外，高压氮气淬火时的表面综合换热系数比较平稳，随着氮气压力的提高，表面综合换热系数呈总体增大趋势。2。

A universal heat calculation program that is written by Visual Basic Language is used to super high pressure to subcritical pressure coal-fired boilers.

锅炉热力计算是一个既十分重要又十分复杂的问题，特别是对于高参数、大容量的锅炉这一问题更为突出。

The relation between the thermodynamic effeciency of saturated steam cycle in PWR secondary system and the steam humidity at the exit of high pressure turbine and lowpressure turbine and live steam parameters of the cycle pressure ratio of HPT and LPTinlet are analysed.

本文分析了压水堆核电站二回路饱和蒸汽循环的系统热效率及汽轮机高、低压缸排汽湿度与新蒸汽初参数、汽轮机分缸压力比之间的关系。

In order to analyze the movement of the piston-block unit quantitatively and optimize the performance of the liquid-jet hammer, the mathematical expression which relates the liquid pressure in the high-pressure chamber to other parameters was deduced on the basis of classic laws of fluid mechanics and the fluid mechanical model of an impulse water turbine.

为了定量分析活塞冲锤的运动状态，实现射流式液动锤性能的优化设计，以冲击式水轮机力学模型为参考，根据经典的流体力学基本定理，推导出了射流式液动锤高压腔内液体压力的数学表达式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。