Research on application of single-phase active multi-tariff watt-hour meter in its practical application;
单相电子式防窃电电能表的实际应用探讨
CPS-SPWM technique for a single-phase multilevel current source inverter;
单相电流型多电平逆变器的CPS-SPWM技术
Analysis of pressure drop characteristics of single-phase flowing through vertical rolling pipes;
摇摆状态下竖直管内单相水摩擦压降特性分析
The preparation of monophase Tl_2Ba_2Ca_2Cu_3O_x bulk materials was investigated.
本文研究了Tl_2Ba_2Ca_2Cu_3O_x(简称2223)单相超导块材的制备工艺。
The results reveal that the preparation of the γ′-(Fe1-xNix)4N monophase powder is related to NH3/H2 gas flow ratio,heat treatment temperature and time.
结果表明:制备单相γ′-(Fe1-xNix)4N粉末与NH3/H2气流比、热处理温度以及时间有关。
This article introduces the technical principle and the application of monophase prefabricated substation, analyses the technical characteristic of the product and raises some practical problems that should be considered in order that the power loss can be reduced and the reliability of power supply can be increased further.
介绍了单相箱变的技术原理及其应用,分析了该产品的技术特点,提出了在使用中应注意的问题,以进一步降低电能损耗,提高供电可靠性。
In the experiment of determination of flow resistance of single phase,one of the experiments of chemical theory,there were two methods to determine the pressure drop.
在化工原理实验单相流体阻力测定实验中,压差的测定方法一般有两种。
Batsed on the cite investigation and theory calculation,the paper indicates that6kV electric nets with non-earth-connection oeutral point for coal mines exist serious safity prob-lems,and the earth connection pattern of single phase is not suitable to some electric nets in coalmines.
根据现场调查,结合理论计算分析得出,煤矿应用的中性点不接地6kV电网安全状况极差,单相接地方式不适合某些煤矿电网。
This paper presents characteristics of frequency-selected circuit that is affected by different parameters in self-oscillating driving circuit for single phase ultrasonic motor(USM).
针对单相超声波电机的自激振荡驱动电路,重点分析了电路选频网络中不同元件参数对电路自激选频特性的影响,建立了电机动态阻抗变化特征、电路自激信号频率和电路参数之间的一个方程组,得出在超声波电机的工作频率范围内,电路自激频率随选频网络中下端电阻的增大而增大,随电感的增大而减小,实验结果与理论推导基本相符。
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