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- valve flow performance 活门流量性能
- control valve flow performance 调节活门流,动特性
- Preliminary studies on the pulsatile and steady state flow performance of yak pericardium valve have been carried out. 本文就牦牛心包生物瓣的稳态试验和脉动流试验结果进行了初步的分析。
- PVF spectrum and mitral valve flow spectrum can be used to evaluate left ventricular diastolic function of RH children. PVF频谱与二尖瓣血流频谱对评价RH左室舒张功能有参照意义。
- A negative bowed blade increases the flow separation and the flow performance is reduced remarkably. 反弯则使得叶栅内分离趋势增加,气动性能明显降低。
- LDPE and LLDPE can improve flowing performance of smPE and mPE. 加入LDPE或LLDPE都能改善smPE和mPE的流动性,不同的是,LLDPE对smPE和mPE流动性改善的效果并不显著。
- On the basis, the influence of dimensionless apparent permeability variation factor and mobility ratio to flow performance has been analyzed. 在此基础上,分析无因次表观渗透率变化系数和流度比对产量动态的影响。
- Herein, we examine the effect of duty cycle on the flow performance of new-generation cutters relative to current instrumentation. 研究表明,在最佳工作周期,小直径切割器的流量可以达到甚至超过大直径切割器。
- During the design procedure for axial flow blood pump, proper blade number is important to whole flow performance in the pump. 在人工轴流心脏泵的设计过程中,叶片数目的选取对泵的工作条件的影响很大。
- We then find when controlling shareholders transfer state shares to related parties and state shares are privatized, cash flow performance reduces dramatically. 当控股股东将国有股权转让给关联方且股权性质发生了变更时,并购后现金流业绩显著降低。
- The experiments have proved these flow performances in Laval nozzle. 实验结果证明了拉伐尔喷管的流动特性。
- Ball Check valves MUST be installed with the valves FLOW arrow pointing in the direction of flow. 安装球体止回阀时必须使阀体上的流向箭头指向流体流向。
- The Study of ERF Flat Gap Valve Flow 电流变液体平板缝隙阀式流的研究
- Ensure an up to date cash flow projection is maintained and maximizes cash flow performance of the hotel through controls on inventory, credit and collection, disbursements, deposits and remittances. 通过控制存货、应收账款、待摊费用、预付款以及汇款维持合理的现金流量,使酒店的现金流量最优化。
- Based on the gas flow model in gas reservoir and the fluid flow model in horizontal well, a couple model is developed and used for numerical computing study of single flow performance in horizontal borehole. 摘要根据气藏内气体的流动模型和水平井井筒内流体的流动模型,建立了耦合模型,通过该耦合模型对气藏中的水平井井筒内单相流动特性进行了数值计算研究。
- The optimized forward swept rotors can effectively improve flow performance near endwalls, weaken the intensity of shock waves and reduce wake losses, is bile the loss near the midspan is increased. 优化所得前掠叶片可以有效地改善端壁附近流动状况,削弱激波强度,减少尾迹损失,提高整体效率,但叶展中部流动恶化。
- The main features of the CFB gas-solid flow performance are the structures of local inhomogeneous and overall inhomogeneous, so the inhomogeneity is studied as the task of the gas-solid flow model. 本文对循环流化床锅炉炉内的气固两相流的流动特性进行了两方面的研究:构建理论模型和试验验证。
- Have you turned off the water valve? 你关掉水阀了吗?
- My factory the specialized production suits the flowing performance each kind of equipment protection carrier, rests all facilitates transportation loading and unloading. 我公司专业生产适合流动演出的各种器材保护运输箱,即安全又方便运输装卸。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。