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pumping system
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  pumping system
The repetition period will be 2 hours, and sampling will be by a winch-operated submersible pumping system which will continuously scan the radon-deficient layer.
      
An efficient pumping system made from association of cryo and turbo molecular pumps allows a background hydrogen pressure of ? 10-5 Torr during the growth.
      
The energy balance of the pumping system with the line is analyzed from the viewpoint of optimizing the pumping efficiency of metal-vapor lasers.
      
Results on this new fiber optic interface system are compared with those obtained previously with the traditional pumping system.
      
A traditional dissolution pumping system was recently replaced with a fiber optic interface between the spectrometer and the samples.
      
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A power supply for YAG laser is given. It contains a simple and reliable voltage controlling unit and a double pulse pumping system with resonant char- ging network. It shows a wide range of voltage adjustability and a adjustable repetition rate. The characteristics of its control circuit are analysed and the experimental set-up is given.

给出一种泵浦YAG激光器电源,它包括一个简单、可靠的电压控制单元和具有谐振充电网络的双脉冲泵浦系统,这种电路具有电压可调范围大和重复率可调的优点,分析了控制电路的特点,并给出了试验装置。

This paper deals with the digital simulation and GAD program ITEPVP developed by the authors for PV water pumping system, which is one, of the largest users of PV system in the world. By using of ITEPVP, all interesting characteristic and relationship between any two variables in the simulated system can be shown by a PC compatable computer. The optimized PV water pumping system can also be obtained by connecting ITEPVP with optimization program ITEOPT. which will be discussed in the...

This paper deals with the digital simulation and GAD program ITEPVP developed by the authors for PV water pumping system, which is one, of the largest users of PV system in the world. By using of ITEPVP, all interesting characteristic and relationship between any two variables in the simulated system can be shown by a PC compatable computer. The optimized PV water pumping system can also be obtained by connecting ITEPVP with optimization program ITEOPT. which will be discussed in the other article. The program is quite helpful to the users.

本文扼要介绍了光伏水泵系统的一种数字仿真及CAD程序包ITEPVP。应用该程序可有效地在计算机上重现任一光伏水泵—管道系统中任意有意义变量之间的特性,若和优化程序配合使用,便可实现任意光伏水泵系统的优化设计。它是研究、发展光伏水泵系统的有力工具。

This paper reports the photovoltaic water pumping system (PVWPS) with maximum power point tracker (MPPT).The principle and implementation of the system are also disscussed.The authors also point out that the MPPT in a PVWPS is,of great significance.

本文扼要地介绍了配有最大功率点跟踪器(MPPT)的光伏水泵系统,并就MPPT的原理及实现方法进行了讨论,最后指出了最大功率点跟踪器对光伏水泵系统的影响。

 
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