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- Derive the governing flow equation for an aquifer. 推导地下含水层的流体方程式.
- In his paper, Perelman added a new term to the Ricci flow equation. 帕瑞尔曼在论文中多补了一项到瑞奇流方程式里。
- The effect of surface roughness on the static electricity is analyzed through solving the verified Reynolds equation. Pressure flow factor and shear flow factor are included in the verified Reynolds equation. 在Reynolds方程中引入了压力流因子和剪流因子,考虑粗糙度对超薄气体膜润滑的影响。
- Top and bottom-guided disc assures stem operation without side thrust caused by high pressure flow. 头尾引导的阀瓣保证阀杆工作不会受到高压力流体产生的侧面推力的影响。
- The Ricci flow equation has a similar effect on curvature, morphing a manifold to even out all the bumps and hollows. 瑞奇流方程式对于曲率有类似的效应,能把流形上的凹凸之处抚平。
- The pump with a plunger device, which can cope with water pressure flow to work smoothly under a high speed. 活塞式水泵,可以自动调节水的压力和流量,保证高速下的安全操作,是一种超精密的产品。
- The pump with a plunger device,which can cope with water pressure flow to work smoothly under a high speed . 活塞式水泵,可以自动调节水的压力和流量,保证高速下的安全操作,是一种超精密的产品。
- Relief piping pressure drop shall be determined using isothermal compressible gas flow equations. 安全泄压管道的压降(阻力降)通过等温压缩气流的公式来确定。
- Using the fracture-cave reservoir carbonate reservoir in Tahe Oilfield,the choke flow equation was derived based on the principle of dimensional analysis and the multiple sta. 以塔河油田奥陶系缝洞型碳酸盐岩油藏为例,利用基于量纲分析原理的瑞利法和基于现场资料的多元线性回归方法建立了适用于缝洞型油藏的油井嘴流产量公式。
- Model PG-8 Differential Pressure Meter is a compact differential pressure flow test kit with a self purging feature mounted in a rugged carrying case. 型号PG-8压差表是一种紧凑的压差流量检测组件,具有自我清洗功能,并放置在坚固耐用的手提箱内。
- In the vehicle tracking module, it mainly study the Optical Flow Equation (OFE) and the three-step block matching algorithm, and choose the later by writing computer programs. 在车辆跟踪模块,重点研究了运动估计算法中基于光流方程的方法和三步块匹配算法,并编写计算机程序对算法进行了验证和比较,确定采用三步块匹配算法进行车辆运动估计。
- Meter run pipe fabrication for differential pressure flow elements shall be in accordance piping specifications and applicable ASME codes. 差压流量元件的仪表导压管制作应遵照配管的规范和适用的ASME标准。
- Firstly, the flow equation is establish according to the structure and parameters of power system, the model and parameters of generator and its excition governing system. 根据电力系统的结构和运行参数、发电机组及其励磁系统、调速系统模型和参数数据,建立潮流方程,用PQ分解法,算出电力系统的潮流;
- The paper gives a new method to determine the negative pressure for under balanced perforating by use of elasto-plastic deformation theory coupled with reservoir flow equations. 利用弹塑性力学理论结合渗流方程提出了确定射孔完井最大负压差的新方法。
- Two-phase flow equations are studied and a compaction wave model estab-lished. 对一维反应两相流模型进行了研究,建立了定常致密波计算模型。
- Based on the effect of temperature on fractional flow equation, the transformation law of water cut during huff and puff production is summarized and afterward verified by digital simulation of the actual reservoir model. 根据油藏的实际地质特征,建立了数值模型,对所总结的含水率变化规律进行了模拟验证。
- Methods The UDS was performed in 102 patients with BPH, which included Uroflowmetry (UFR), Filling cystometry (CMG), pressure flow study, measurement of residual urine, analysis of bladder outlet obstruction (BOO). 方法 对102例BPH病人进行详细尿动力学检查,包括尿流率、充盈期膀胱测压、压力-流率测定、残余尿测定,应用P-Q图进行分析是否存在膀胱出口梗阻。
- Furthermore, if the entropy of the flow remains as a constant, we can have the isentropic Euler system, and if the flow is assumed to be irrotational, we can have the potential flow equation. 如果再假设流体的熵保持为常数,那么我们进一步 得到等熵的欧拉方程组;如果再假设流体的速度场满足无旋条件,我们可以得到所谓的位势流方程组。
- For the scheme of tailrace tunnel with variable crown heights, tailrace surge chamber can be omitted,but pressure and interface between free flow and pressure flow would vary with flow transition. 向家坝水电站尾水下接金沙江,江水位变幅大,尾水隧洞选用变顶高尾水洞方案时可不建尾水调压室,但洞内压力和明满交界面会随水流过渡过程变化。
- For a given load demand, security economic dispatch (SED) allocates the units generation to minimize the total production costs, including the security and load flow equation constraints. 摘要安全经济调度(SED)注重在满足输电元件安全条件下,对一定负荷需求,力求以费用最小化来安排发电方式。