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- solar pumping system 太阳能扬水系统
- Development of Application Specific Inverters for Stand-alone Solar Pumping Systems 独立太阳能扬水系统专用变频器的开发
- VVVF technique is the key technique for intelligent pumping system. 变频调速技术是智能化抽油系统的关键技术。
- The Pump system was innovative during its time. 泵系统在其时间期间是革新的。
- For a complete system with a pulsed MCP and pumping system. 整套带脉冲MCP探测器及泵浦系统可以提供。
- Heat pipe ejective air conditioner is a new no pump system, which can use solar energy and other low-grade heat sources. 利用热管和喷射器复合所组成的空调系统是一种可利用太阳能和备类余热的无泵型新型空调系统。
- Pumping system: with reliable performance and high-efficiency inhalation. 泵送系统：泵送系统性能可靠、吸入效率高。
- According to the theory of homogeneous flow and thermodynamics of refrigeration system,this paper presents a steady and distributed model for the PV evaporator in a PV solar assisted heat pump system. 该文采用分布参数法,从制冷工质动力学原理出发,根据平衡均相流理论,建立了光伏太阳能热泵光伏蒸发器的稳态分布参数模型。
- The choice of pumping system depends on required pumping speed, ultimate pressure attainable(in a reasonable time). 泵系统的选择取决于所需要的抽速，能达到的极限压强（在适当的时间内）。
- A comprehensive mathematical model for simulation of dynamic parameters of beam pumping system. 游梁式抽油系统动态参数仿真的综合数学模型。
- The majority of photovoltaic water pumping systems produced in the factories are worldwide equipped with constant voltage tracker (CVT)instead of maximal power point tracker (MPPT)for tracking the maximal power output of solar cell array. 光伏阵列的最大功率点跟踪器可使光伏水泵系统获得实时的最大功率输出。 出于方便及降低系统造价，世界上大多数国家的光伏水泵系统产品迄今仍采用恒定电压跟踪器（CVT），以代替真正的最大功率点跟踪器（MPPT）。
- At the appropriate pressure, the chamber is opened to a high-vacuum pumping system that continues to reduce the pressure of the process chamber. 在适当的压强下，工艺室被接通高真空泵系统抽气，以继续降低工艺室的压强。
- The research and application of situation and drawback for wire rope sucker rod pumping system in China oil field have been discussed in this thesis. 分析了我国钢丝绳抽油杆抽油技术的研究和应用现状及存在的问题,提出了钢丝绳抽油杆抽油系统成套技术的概念及其组成。
- DONG Shimin, LI Baosheng. The design of rod pumping system in horizontal well[M]. Beijing: Petroleum Industry Press, 1996. 董世民，李宝生.;水平井有杆抽油系统设计[M]
- It is necessary to help us choose the better vacuum pumping system for the high vacuum continuous winding sponge coating nickle film equipment. 此工作对高真空连续卷绕网状泡沫镀镍设备的真空系统配置具有一定的指导意义。
- Further complicating matters is the observation that some pumping system designs are more tolerant to bubbles than others. 更复杂的事情是，在某些输液系统设计中观察到对气泡的耐受程度比其他的高。
- The solar system was formed 4.5 billion years ago. 太阳系是四十五亿年前形成的。
- The application of VVVF technique on intelligent pumping system is expounded from the aspects of control theory and command coded progran. 从控制原理和指令编程等方面，阐述了变频调速技术在智能化抽油系统中的具体应用。
- General beam pumping system should be the overall efficiency of about 50%, if less than this should improve performance. 一般游梁式抽油系统的总效率应为50%25左右，若低于此应提高其性能。
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
