The special configuration and characteristic of the cryogenic plate-fin heat exchangers with double phase changes are introduced.
介绍了低温两相流板翅式双相变换热器的结构和特点,回顾了板翅式换热器两相流体入口分配结构对其气液分配特性的影响。
The Research and Application of Dual Frequency Signal Generator;
程控双频调相信号发生器的研制及应用
FM broadcasting--Dual programmes
GB4311.4-1987调频广播双节目
speech plus duplex FMFV telegraph equipment
语音加双工调频音频电报设备
Dual Wavelength and Dual Pulse Q-switched Frequency Doubling of Tunable Cr:LiSAF Laser
双波长双巨脉冲调Q倍频Cr:LiSAF激光器
Study on Dual-PWM Vector Control Variable-Frequency System;
双PWM矢量控制变频调速系统的研究
The Study of Dual-PWM Variable Frequency Speed Regulation System Based on DSP Control Technology;
基于DSP的双PWM变频调速系统研究
Study on High Power Factor Dual-PWM Variable-Frequency System;
高功率因数双PWM变频调速系统的研究
The Study on Dual-PWM Induction Motor Variable Frequency Drive System;
双PWM型感应电机变频调速系统研究
Simulation of Double-hysteresis Width Frequency Control System by MATLAB Simulink;
双滞宽变频调速系统的SIMULINK仿真
Design of AC Drive System Based on Dual-PWM
基于双PWM技术的变频调速系统的设计
Research on Mine Hoists of Dual PWM Three-level Variable Frequency Adjustable Speed System
一种新型双PWM三电平变频调速系统
The Research and Design of Three Phase Double PWM Variable-frequency Power Source;
三相双PWM变频电源的研究与设计
Three-phase Bi-directional Voltage-source High Frequency Link Inverter;
三相双向电压型高频链逆变器的研究
Exploration of the Relevant Technological Index of Two-way Video Instruction System;
双向视频教学系统相关技术指标探讨
Kosterlitz-Thouless transition in One-dimensional double-frequency Boson System;
一维双频玻色系统的Kosterlitz-Thouless相变研究
Design of Exclusive Phase center Dual band GPS Antenna
相位中心确定双频GPS天线的研制
A High Speed Divide-by-14/16 Dual-Modulus Phase Switching Prescaler
一种高速14/16双模相位开关预分频器
The Balanced Dual-mixer Heterodyne for Measurement of Phase Difference between two Coherent Lights;
对称双混频外差法测量相干光的相位差