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- specific speed model 专项速度模型
- 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。
- The result shows that the structure of speed model conforms to the impact factor of actual motor speed, which indicates that the method is effective. 结果表明,约简之后的速度模型结构与实际调速系统中影响电机转速的因素相符合,从而表明该算法是有效的。
- 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。
- Li Dongdong,Chert Chen.Wind speed model for dynamic simulation of wind power generation system[J].Proceedings of the CSEE,2005-25(21):41-44 (in Chinese). [1]李东东;陈陈.;风力发电系统动态仿真的风速模型[J];中国电机工程学报;2005;25(21):41-44
- 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。
- Based on the dynamic modeling in state space, the state space model of GPS ise established: constant speed model and constant acceleration model. 2、建立了GPS系统的状态空间模型:定常速度模型和定常加速度模型。
- A cutting speed model and a tool working angle model were used to analyze the effects of cutting speed and working angle variations on machining quality and tool lifetime during noncircular turning. 为了分析非圆车削过程中切削速度和刀具工作角度变化对工件加工质量和刀具使用寿命的影响,建立了非圆车削切削速度和刀具工作角度的数学模型。
- The new model delivers speed and fuel economy. 这种新型设计能提高速度、 节约燃料。
- Static models include terminal control model, oxygen-supplying model, slagging model and bottom blowing model; dynamic models include decarbonization speed model, molten steel warming model and the model for the amount of refrigerant. 静态模型包括终点控制模型、供氧模型、造渣模型、底吹模型;动态模型包括脱碳速度模型、钢水升温模型和冷却剂加入量模型。
- Speed model of a hundred-meter dash 百米跑速度模型
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- low specific speed centrifugal pump 低比转速离心泵
- area three-dimensional underground speed model 区域三维地下速度结构模型
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- high specific speed mixed-flow pump 高比转速混流泵
- He gave us very specific instructions. 他给我们做了非常明确的指示。