It has been shown by these industrial applications that the performance of DC-type catalysts is comparable with the imported catalysts under similar reaction conditions.
工艺条件试验说明可大空速下运转。经不同规模的等温式和绝热式工业应用证明具有高活性、高机械强度和耐水性好等特点。
One type is originating writes, which is when a particular change was performed directly on a particular DC.
一种类型是原始写入，在直接对特定DC执行特定更改时进行的写入。
Switch to the column properties and set the field usage type of all columns except the ones starting with DC to supplementary.
切换到Columnproperties并设置除用DC启动的所有列的字段使用类型为supplementary。
The proposed method determines the motion activity and visual content change of the MPEG compressed video by using the luminance DCT DC value, macroblock type and motion vector.
本文算法利用亮度DCTDC值、宏块类型和运动向量来确定MPEG压缩视频中运动活动和视觉内容变化。
A new type of DC current comparator is researched which includes two parts: a bidirectional self saturating magnetic amplifier and a two care self saturating magnetic amplifier.
研究了一种新型直流电流比较仪，它包括两个环节：双向自饱和磁放大器和双铁芯自饱和磁放大器。
Mathematical model of adaptive variable structure of control system for DC servo robot was established with nonlinear sliding mode formed with saturation type scalar functions.
采用饱和型标量函数构成非线性滑模建立直流伺服机器人控制系统的自适应变结构数学模型。
Though analyzing the disadvantages of the brush motor in ZD6 type Electric Switch Machine, this paper introduces the replacement of brush motor by brushless DC motor and specific reliability measures.
分析了ZD6型电动转辙机有刷电机的缺点，介绍了无刷直流电机取代有刷电机的方案及可靠性措施。
In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
该系统以80c 196MC为控制核心，采用IPM智能功率模块为功率元件，组成了交直交电压型逆变器主回路。
Glass octal type used in power supply of radio equipment having moderate dc requirements.
玻璃八进制型用于电力供应的无线电设备具有温和直流要求。
Several measures taken for remedying are deviation in DC EAF and a few applications in the three main type DC EAF were described.
简要介绍了几种纠正直流电弧炉电弧偏向的措施及对三种主要型式直流电弧炉的应用实例。
The harmonic characteristics of a rectifier with a DC filter inductor or capacitor are analyzed and then relevantlythey are classified into current type and voltage type harmonic source.
分析了直流侧电感和电容滤波的整流器的谐波特性，进而把它们分为电流和电压型谐波源。
A damping circuit is a type of low pass filter that reduces the electrometer's ac response so the low DC current can be measured accurately.
该衰减电路是一种降低静电计交流响应的低通滤波器，使我们可以准确地进行直流弱电流的测量。
No torque is produced essentially at the beginning of starting d'ARSONVAL type permanent magnet brushless DC motor.
达松伐尔型永磁无刷直流电机本质上无起动转矩。
The results show that the signal-modulating type synthetical nonlinear SVC controller can provide higher damping to the system, so as to enhance the transient stability of the AC and DC hybrid system.
研究表明，信号调制型SVC综合非线性控制器，能够给系统提供较强的阻尼，从而提高了整个交直流混合系统的暂态稳定性。
The structure type of spurting oil beam and the output voltage of DC power were the main factors affecting the electrostatic oiling.
喷油梁结构型式与直流电源输出电压是影响静电涂油的主要因素。
It analyses the rail transit DC traction power supply system voltage type frame protect device and rail voltage limited device matching problems that solve their adjusting value and time.
分析了轨道交通直流牵引供电系统的直流设备电压型框架保护装置与轨道电位限制装置定值和时间配合存在的问题及解决办法。
Compressed parameters include type of frame, type of macroblock, DC coefficients, and motion vectors.
算法中利用的压缩参数主要有帧类型、宏块类型、DC系数、运动矢量。
Working in a 600v DC power supply system, the type ZDB battery charger USES new power electronic insulated-gate bipolar transistors (IGBT) as switching device and adopts PWM control technics.
ZD B型直流电源变换器是工作在直流600v供电系统的变流装置。该装置以新颖电力器件IGBT作为开、关器件并采用PWM控制技术。
A new type of variable magnet polarity DC generator is presented, and its working principle and design idea is described.
提出了一种新型变磁极性直流发电机，阐述其工作原理和设计思路。
A new type of infrared intelligent DC high voltage generator was introduced.
提出了一种新型的红外式的智能直流高压发生器。
The development of EH200 type DC electric locomotive is introduced in this paper.
介绍EH200型直流供电电力机车的开发。
So the analysis for the DC/DC converter applied in dynamic state should be emphasized when the driving way in the floating type of the high voltage narrow pulse amplifier is studied.
因此，研究悬浮型高压窄脉冲放大器的驱动方式，就是要着重分析动态运用中的DC/DC变换器的工作状态。
As the large fault current occurs in DC power system, the paper makes use of IGBT to design a new type DC fault current limiter.
针对直流电网短路故障时迅速产生的短路电流，利用IGBT器件为核心，设计出一种新型的直流短路电网限流装置并阐述了其工作原理。
The sort, type, parameter, circuitry and application of the choppers used in power-driven vehicles with storage battery or series DC motors.
介绍以蓄电池和串励直流电动机为动力的电动搬运车辆用斩波器的种类、型号、参数、电路原理和应用情况。
NR-relay. Long life relay. 1 form C. Coil voltage 5 V DC. Magnetically sealed type. Single side stable.
NR继电器。长寿命继电器。1表C线圈电压5伏直流。磁密封型。单面稳定。
In this paper, power electronic circuits were considered as one type hybrid dynamic systems and the concept and theory of switched linear systems were introduced to DC-DC converter control systems.
该文将电力电子电路视为一类混杂动态系统，尝试在DC - DC变换器控制系统研究中引入切换线性系统的概念和理论。
The rare earth permanent magnet brushless DC square wave motor is a new type of motor. With its high performance, the motor shows a broad prospect for further advances.
稀土永磁无刷直流方波电机是一种新型电动机，其性能优越，发展前景广阔。
NR-relay. Long life relay. 1 form C. Coil voltage 12 V DC. Magnetically sealed type. Single side stable.
NR继电器。长寿命继电器。1表C线圈电压12V直流电源。磁密封型。单面稳定。
GQ-relay. Ultra-small package flat polarized relay. Operating function single side stable. Coil rating 12 V DC. Tape and reel packing. Surface-mount terminal a type.
GQ -继电器。超小型封装扁平极化继电器。操作功能单面稳定。线圈额定值12V直流。磁带和卷轴包装。表面贴装端子A型。
The general inverter designed in this dissertation is a 220v voltage type AC-DC-AC modal.
本文设计的通用变频器为单相220V交-直-交电压源型变频器。
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