The basic operation principle of PIN diode the main parameter of the tube microwave characteristic and PIN diode main application are discussed .

本文综述了PIN二极管的基本工作原理， 管子的主要参数和微波特性，以及PIN 二极管的主要应用。

A set of X-ray inspection system consisting of X-ray tube linear diode array conveyor and computer for food safety insurance was constructed . Also software for X-ray inspection system was developed .

本研究成功地开发一套X射线食品异物检测硬件系统和软件系统，硬件系统由X 射线 光源、线阵探测器、防护装置以及传送装置组成；

In this paper the photo-multiplier tube single photon detector avalanche photon diode vacuum avalanche photon diode and their basic principle of work and characteristics are introduced . Their advantages disadvantages and development are also discussed .

本文介绍了光电倍增 管单光子探测器、雪崩光电 二极管单光子探测器和真空单光子探测器以及它们的基本工作原理和特性，分析了它们各自的优缺点和未来的发展方向。

The referential potential can be inserted into the tube for mobile measurement ; 3 . High potential protection of insulated flanges . Three present efficient measures can be adopted : zinc grounding with battery for protection diode protection and lightning arrester protection ;

绝缘 法兰的高电位防护，采用当前行之有效的三种措施，即锌接地电池保护、 二极管保护、避雷器保护；

Tube diode ( directly / indirectly heated cathode ) .

电子 管 二极管（有直接/间接加热的阴极）。

APD avalanche diode test equipment test parameters imperfect and price can not meet the needs of APD tube production test for which this paper developed APD avalanche diode test system .

而目前APD雪崩二极管测试主要依赖国外的设备，存在测试参数不完善和价格高的问题，不能满足APD 管生产测试的需要，为此本论文开发了APD雪崩 二极管测试系统。

The type of BNC signaling surge protection circuit consisting of gaseous discharge tube resistance transient diode was analyzed .

分析了由气体放 电管、电阻、暂态 抑制 二极管组成的BNC型信号电涌保护器的保护电路，对该保护电路进行了传输特性测试和标称放电电流的冲击实验。

Also this paper analyzes the power consumption of the chip and analyses the switch tube conduction loss switch loss gate drive loss and rectifier diode losses in detail and gives corresponding optimization scheme .

对芯片进行了功耗分析，重点分析了开关 管的导通损耗、开关损耗、栅极驱动损耗以及整流 二极管的损耗，并给出相应优化方案。

Tube diode with directly or indirectly heated cathode .

具有直接或间接加热的阴极的 电子 管 二极管。

Four types by display modes : CRT ( cathode - ray tube ) LED ( light emitting diode ) LCD ( liguid crystal display ) and analogue ( pointer ) instruments ;

从显示方式上可分为CRT（阴极射线 管）式、LED（发光 二极管）或LCD（液品）式和模拟仪表（指针仪表）式几种；

The plasma display is the newest type of display after the cathode-ray tube ( CRT ) and light emitting diode ( LED ) . Its characteristics include its paper-like thickness and high resolution .

等离子体显示器是继 CRT、 LED后的最新一代显示器，其特点是厚度极薄，分辨极佳。

Secondly to H bridge inverter and MOS tube synchronous rectifier principle and analyzed by simulation confirm the application of synchronous rectifier brings MOS tube of power efficiency than fast recovery power diode to much higher .

其次，对H桥逆变及MOS管同步整流原理加以分析，并通过仿真证实了应用MOS 管同步整流所带来的电源效率比快恢复整流 二极管要高的多。