| 1. | Exploration to energy conservation of water - loop heat pump operation 水环热泵空调系统运行节能探讨 |
| 2. | Valve and pump operations are interlocked by a limit switch assembly 通过限制开关总成,阀门和泵的运行是相互作用,相互影响的。 |
| 3. | Theoretical study on cavitation characteristics of centrifugal pump and regulation of pump operation 离心泵汽蚀特性与调节工况的理论研究 |
| 4. | Pumpsmart ? can automatically compensation for the system friction losses due to increased flow in pump operation 自动补偿由于流量增加产生的摩擦损耗,保证控制精度。 |
| 5. | During pumping operation the maximum strains are subject to variation from 17 v - e to 22p e with velocity from 0 给出了模型中栅条系统的实测自振谱和发生超驰振动时的临界流速。 |
| 6. | For the problem of monitoring the start times and operation time for the oil pump of operating circuit breakers , the oil pump operation monitoring system has been developed , a satisfactory result has been aquired in the substation operation 摘要针对运行中断路器油泵运转时间和启动次数的监视问题,研制出“油泵打压记录系统” ,并且该系统在变电站的使用中获得满意的效果。 |
| 7. | Charge pump operation principle and a 50ma switched - capacitor automatic step - up / step - down charge pump converter with wide input supply voltage and multi output versions , which uses 0 . 5 m standard cmos technology , are presented in this paper 在对电荷泵原理研究的基础上,论文采用0 . 5 m标准cmos工艺设计了一种具有宽输入电压范围和多输出规格的50ma自动升/降压开关电容电荷泵dc / dc转换器。 |
| 8. | Since february 2002 , twd has used the water supply system operating mode of advanced countries as a reference and compared them with the consumption characteristics in our jurisdiction . twd flexibly adjusts the pumping operation during peak times and low times to meet water pressure demand and reduce loss of water resources 自91年2月起,参考先进国家供水系统操作运转模式及考量辖区用户用水特性,于尖离峰时段机动调整抽水机运转,以满足辖区水压需求,并减少水资源流失。 |
| 9. | By analyzing the main characteristic of water - loop heat pump system and the typical status of water - loop heat pump operation , some technical measures of energy conservation are put forward in this paper on energy conservation , which aims at giving the references for popularizing and applying water - loop heat pump system 摘要通过对水环热泵空调系统典型运行工况的分析,从节能的角度出发,提出了几种水环热泵系统在运行过程中节能的技术措施,旨在为水环热泵技术的推广和应用提供必要的参考。 |
| 10. | This converter is thermally protected and current limited , protecting the load and regulator during fault conditions . in the circuit design chapter , the basic charge pump operation principle and equivalent circuit model are given first . then two control modes , pulse skip mode and linear mode , are analyzed 在电路设计中,首先分析了跨周期调制的电荷泵dc / dc转换电路的基本原理,然后推导出电荷泵等效模型,以此为理论依据分析了电荷泵的两种控制模式:线性调制模式和跳周期调制模式。 |