The article introduces choices of direct purge on gas transmission system displacement method, determination of purge criteria, its technological process and control, then its reliability.
介绍城市煤气输配系统置换方式的选择、置换参数的确定、置换工艺流程及指标的控制，说明直接置换方式的可靠性。
The design of filtering equipments at dc side of the converter substations is relative to the security and economy of the high voltage direct current (HVDC) transmission system.
换流站直流滤波装置的设计关系到高压直流输电系统的安全与经济性。
A novel fault tracking approximator for fault diagnosis scheme of high voltage direct current transmission (HVDC) system is proposed.
提出了一种新的故障跟踪估计器来诊断高压直流输电(HVDC)系统中的故障。
Abstract : A new type of optical signal transmission system based on organic light-emitting devices (OLED) has been investigated using direct light intensity modulation method.
摘要 ：采用直接光强调制的方法，建立了一种新型有机电致发光器件（OLED）的光电信号传输体系，研究了发光层掺杂、发光面积和预置电压对OLED响应速度的影响。
FSK-SS communication system has higher transmission efficiency as compared with direct series spread spectrum (DS-SS) communication system.
与通常的直接序列扩颗通信方式(DS - SS)相比，移频键控多值传送扩颗通信方式(FSK - SS)具有传输效率高的特点。
Ceramic insulator is widely used in alternating and direct current transmission system. But there exist some problems when using ceramic insulator in direct current transmission system.
瓷绝缘子广泛使用在交直流输电系统中，但在直流输电系统中使用还存在很多问题。
The invention relates to a control method of a double-motor hybrid power system having a gasoline direct injection engine and belongs to automotive power transmission system technology.
本发明涉及装备汽油直喷发动机的双电机混合动力系统的控制方法，属于汽车动力传动系统技术。
The invention relates to a dual-motor hybrid power system equipped with a gasoline direct injection engine, which belongs to power transmission system technology of automobiles.
本发明涉及装备汽油直喷发动机的双电机混合动力系统，属于汽车动力传动系统技术；
Thermoelectric generator (TEG) which is driven by natural gas can supply direct current to CP system of gas transmission pipeline in remote and no power supply district.
TEG即热电发生器，以天然气为燃料，可满足边远无电地区输气管道阴极保护直流用电需要。
Commutation failure is one of the most common failures for the high voltage direct current transmission system.
在特高压直流输电中换相失败也是主要的故障。
The suction is provided by a suction unit of the side channel blower type, with direct coupling between the fan and the motor shaft and no transmission system.
吸尘系统是旁路鼓风马达，是由风扇和马达轴直联而成，没有传输装置。
The development of the spatial system maintained a strong emphasis on the regulation of light transmission and was designed to manipulate direct radiation.
建筑的空间系统强调光线的输送和辐射的控制。
The development of the spatial system maintained a strong emphasis on the regulation of light transmission and was designed to manipulate direct radiation.
建筑的空间系统强调光线的输送和辐射的控制。
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