查询词典 back flow

In plastic step sucking back is very important too. Sucking back include front sucking back and back sucking back It setting sucking back to prevent flow and line. It sets sucking back speed and pressure within 20-50% and distance within 2-5cm. TOO long distance make cyclinder reserve air and cause bubbleat next molding.

熔胶过程还有一个比较重要的环节，那就是松退，松退分前松退和后松退，其作用一般是为了防止流涎和抽丝，设定值速度和压力都在20%-50%间，设定的行程一般在2-5cm间，太长的行程可能会使料筒里面贮存空气，导致下一模出现不期望的气泡。

Results The back flow of trouble side vertebral artery caused by the stenosis of innominate artery or subclavian artery were classified into 4 grades.

将锁骨下动脉或无名动脉狭窄引起的患侧椎动脉反流分为四级：0级2例，1级3例，2级9例，3级1例。

Results:In this group there were respectively 8 calculi of intrahepatic duct,9 calculi of extrahepatic duct,4 stenosis of bile duct,3 duodenal papillitis,2 excess residual cystic duct and 2 stubble cholecystitis,which were managed surgically.There were respectively 1 duodenal diverticulum,10 bile back flow gastritis,5 functional dyspepsia,1 chronic pancreatitis and 1 ulcer,which were cured via expectant treatment.

结果：本组肝内胆管结石8例，肝外胆管结石9例，胆管狭窄4例，十二指肠乳头炎3例，胆囊管残留过长2例，残株胆囊炎2例，分别采用外科手术治疗；十二指肠憩室1例，胆汁返流性胃炎10例，功能性消化不良5例，慢性胰腺炎1例，溃疡病1例，采用内科保守治疗好转。

The calculation results shows that ,(1) when the rotor rotates at the working speed, a local regurgitant whirlpool that is rightabout to the rotor"s rotating direction appears in the classifying region, which makes the separated granules come back to the outside of the classification district and influences the classification efficiency of the turbine classifier;(2) in the condition of a low rotating speed of turbo rotor, ultrafine particles can follow the gas phase by and large, but when the rotating speed increases, a phenomenon of velocity slippage between two phases appears evidently;(3) A operating parameter, air flow rate is so important that can directly influence the stability of flow field in classifying chamber, the bigger the air flowrate is , the steadier the flow field is;(4) Compared with straight blades, the new shape of blades with backward crooked elbow are helpful to improve the stability of flow field and form whole stream easily, also beneficial to advance the classification accuracy and classification efficiency;(5) The motion trace of particles are very complicated when the turbo rotor rotates at a high speed, the constant bounce of the particles appear between the blades and the coarse particles are even bounce back from the inlet, only the finer can pass through the classification area from the oulet;(6) Along with the increase of the rotor"s rotating speed, radiah axial and tangential velocity all begain to fluctuate repetitively like sine-wave, the smaller the particles are, the more violently they fluctuates.

数值模拟结果表明，(1)在涡轮达到工作转速时，在分级区域形成了一个与涡轮旋转方向相反的局部回流涡，它使得分离出来的细粒重又被带回分级轮外边缘，从而严重影响分级机的分级效率；(2)粉尘粒子在涡轮低速运动情况下，基本上能跟随气体运动，但随着转速加大，两相之间出现了明显的速度滑移现象；(3)分级机工作时的风量也是一个比较重要的操作参数，它可以直接影响到分级机内腔流场的稳定性，风量越大，流场越稳定；(4)同直叶片形状相比较，带后弯导板的叶片，有利于改善流场的稳定性，流场容易形成整体流，对提高分级效率和分级精度都非常有利；(5)粒子轨迹线在涡轮转速较高时十分复杂，有的出现了反复的弹跳现象，大颗粒不能通过分级区域而从进口返流了，只有细小的颗粒才从出口处流出；(6)涡轮转速加大时，粒子的径向、轴向和切向速率出现了明显的类似于正弦波的脉动现象，颗粒越小，脉动程度越为剧烈。

Through the process of scrunching, back-flow abstraction, vacuum drying etc, the concentration and essential element of these herbs are kept in the capsule.

通过的过程中scrunching ，回流提取，真空干燥等，浓度和重要组成部分，这些草药都是被蒙在胶囊。

In oilfields,two-screw pump is a supercharging equipment used for oil-gas mixing delivery,and the back flow in it is an important factor influencing its performances.

双螺杆多相流混输泵是用于油气混输的增压装置，回流是影响多相泵性能的重要因素。

For the stability of the flow metering pumps, metering pump flow rate, as some big changes with pressure, you can set the exit of metering pump back-pressure valve, so that the output of metering pump flow rate stability, and then usually selected back-pressure valve The Reducing Valves pressure of the actual use of a metering pump metering pump pressure or slightly less than the use of pressure.

用于稳定计量泵的流量，如某些计量泵的流量随压力变化较大，可在计量泵的出口处设置背压阀，使计量泵的输出流量稳定，这时一般选择背压阀的压力为计量泵的实际使用压力或略小于计量泵的使用压力。

In case you notice the water leel in the bottle has gone down to almost empty or the dripping has stopped or if a back flow of blood can be seen through the I set tube, please let us know.

如果您注意到瓶子里水的高度已经下降到快光了，或是不再滴了，或者如果可以看到固定管里有血液回流，请告诉我们。

Use a check valve or trap in the discharge line to prevent hazardous back flow into the system.

输气时应使用逆止阀或阻火器，以防止回流进入气瓶的危险。

Use a check valve or trap in the discharge line to prevent hazardous back flow into the

输气时应使用逆止阀或阻火器，以防止回流进入气瓶的危险。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。