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- dynamic specific speed 动力比速
- In this paper, the structure, principle and performance of a low specific speed roto-jet pump are introduced. 介绍了一种极低比转数旋喷泵的结构、工作原理及性能特点。
- It is suggested that the specific speed would be replaced by diametric ratio,and the new nameplate would be used. 建议比转速应为直径比所取代,并启用水斗式水轮机新铭牌。
- A popular one is the "inkometer", which measures the internal cohesion of an ink while splitting at a specific speed and gives a figure without unit. 常用的是“油墨粘度计”，它测量油墨在某个速度下分裂时的内部聚合力，用一个没有单位的数值表达。
- The conclusion shows that using high specific speed impeller in the first step of the two-stage axial flow pump can improve the trust and efficiency of the propulsion system. 针对数据库中现有的水力模型;对模型的所有排列方式进行计算;得到在两级轴流泵中首级采用高比转速的叶轮可以提高喷水推进器的推力和推进效率.
- The principle,steps and examples of designing the ultra-low specific speed impeller using the flow path blockage method and the analytical method are presented. 文中介绍了采用堵流道法和解析法进行超低比转速叶轮设计的原理、步骤及实例。
- There is no special theory and design method to the low specific speed centrifugal pump.It adopts the waterpower design method of common centrifugal pump. 低比转速离心泵水力设计由于没有专门的理论和设计方法，只能采用普通离心泵的水力设计方法，从而导致圆盘摩擦损失大，泵的效率低。
- low specific speed centrifugal pump 低比转速离心泵
- high specific speed mixed-flow pump 高比转速混流泵
- centrifugal pump with high specific speed 高比转数离心泵
- We are looking for dynamic persons to be salesmen. 我们正在寻找充满活力的销售人员。
- Design method for impeller of high specific speed mixed-flow pump 高比转速混流泵叶轮设计方法
- Experimental research on low specific speed roto-jet pump 低比转数旋喷泵的试验研究
- EXTRACTING DYNAMIC SPECIFIC PROPERTY INFORMATION OF DRAFT TUBE OF HYDRAULIC TURBINE BY USE OF THE CHARACTERISTIC ENTROPY OF WAVELET PACKET 小波包特征熵提取水轮机尾水管动态特性信息
- Every dynamic system needs continuous readjustment. 每一动态系统都需要不断地再调整。
- It's a dynamic union of ease and speed, access and performance. 它将易用性与速度、访问与性能动态地结合了起来。
- Design and Experiment of a Mixed Flow Pump with Medium or Low Specific Speed 中低比转数混流泵设计与试验
- The conflict process is a dynamic phenomenon. 冲突过程是一种动态现象。
- This is the first main crux of dynamic theory. 这是动态学说第一个主要的难题。
- Dynamic RAM's need to be refreshed periodically. 动态RAM则需要周期性地刷新数据。
