A calculation on the temperature field of the vaporization cooling electrode used in high power electron device 冷却剂流经冷凝器不畅。大功率电子器件蒸发冷却电极温度场的计算
Because of wicked construction condition, the coat repaired task of large-sized electron device in the open air is always outstanding relatively special technical puzzle. 受制于施工条件的制约,大型电子设备在野外环境条件下的涂层修复工作,一直是比较突出的专业技术难题。
The electron device of the utility model can be sealed on the coil bobbin with high mechanical strength and compact conformation. 本实用新型中的电子器件可封装在线圈骨架上,机械强度高、结构紧凑。
The electron device supporting frame can adjust the watching angle of the electronic device, the structure is simple, and the operation is convenient. 该电子设备支撑装置可调节电子设备的观看角度,结构简单、操作方便。
Joint Electron Device Engineering Council 联合电子装置工程理事会
The utility model is characterized in the integrated liquid barrel and electron device barrel at the lower section and reliable connection and beautiful appearance, etc. 本实用新型具有液桶与下部电子器件桶体为一体成形,并具有连接可靠、外形美观的特点。
A vacuum electron device made by the discharging currnt, that is, ignitron, has the features of resistance to high pressure, high power and fast current rise. 利用这放电现象制成的一种真空电子器件即引燃管,具有耐压高、率大、流上升速度快等特点。
Study on Quality Improvement of Gallium Diffusion is SiO_2/ Si System and Improvement of Electron Device Performance 采用SiO2/Si系扩镓提高扩散质量和器件性能的研究
Green Active Packaging Process of Ceramic to Metal for Electron Device 陶瓷与金属电子器件的绿色活性封接技术
The prospect of CA methods for microelectronic process simulation and electron device analysis is discussed. 对研究采用CA方法模拟微电子加工工艺和进行微电子器件分析具有参考意义。
Due to its outstanding heat transfer capacity and compact structure, the microchannel heat sink is the best choice for cooling of high-power electron device with small volume. 微管道换热器以其换热性能卓越、结构紧凑等优点成为小体积高功率电子器件首选的新型散热方式。
Leaded and lead-free BGA ( ball grid array) components were tested in board level drop test defined in the JEDEC ( Joint Electron Device Engineering Council) standard. 按照JEDEC标准对板级跌落实验的要求测试了有铅和无铅焊点的球栅阵列封装。
Then, the system hardware design is detailedly introduced, including data sampling, data processing, data storage and logical control module. In this section, the electron device is to the point be introduced, the interface and function design are completed. 其次,完成了制导控制器的硬件设计,包括数据处理、数据采集、数据存储和逻辑控制模块的核心器件选型、接口设计和功能实现;
Monte Carlo simulation of single electron device made by molecular self-assembly technology 用分子自组装技术制备的单电子器件的MonteCarlo模拟
And the materials, theories and manufacture techniques adopted by different semiconductor electron device are compared. 分别比较了不同的半导体电子器件的材料、理论和所采用的制备技术。
With the solid-state circuit concentrating heavy current, resistance to high-voltage and high frequency characteristics into an organic whole, the transistor has become an electron device with great future. 对于集大电流、高耐压和高频特性于一体的固态电路,晶体管成为很有发展前途的功率电子器件。
In this paper, the developing course of semiconductor electron device is simply retrospected, which mainly includes the vacuum tube, solid transistor and nanoelectron device. 简要回顾了半导体电子器件由真空电子管到固体晶体管,直至纳米电子器件的发展历程。
MPM has high power, high efficiency, low noise, small size and light weight. It is the key electron device for the next generation weapon systems, such as radar, EW and communication systems, which uses the phased array antenna. 它具有真空电子器件的大功率、高效率和固态器件低噪声、小体积、轻重量的优点,成为下一代采用相控阵天线的雷达、电子战、通讯等武器系统的关键功率器件。
The paper mainly does below studies: Wireless portable heart electricity picker's research content: On the basis of bioelectricity signal characteristic, we will select appropriate parameter electron device to design heart electricity picker and amplify weak signal. 无线便携式心电采集器设计研究内容:在研究生物电信号特点的基础上,选择恰当参数的电子器件设计心电采集器前端放大模块,完成微弱信号的放大;
The gyrotron, which can be used to generate high power and high efficiency electromagnetic radiation in millimeter and sub-millimeter wavelength range, is a kind of fast-wave vaccum electron device based on electron cyclotron maser instability. 回旋管振荡器是一类基于电子回旋脉塞机理的快波真空电子器件,能在毫米及亚毫米波段产生高功率、高效率电磁辐射。
From this new physical principle, we have developed a new heterostructure intervalley transferred electron device ( HITED). 运用这一新物理效应设计制成了新的异质谷间转移电子器件。
The electric properties optical properties, and photoelectric properties of nano scale materials as well as, basic principle and application for single electron device, are introduced briefly in this paper. 简要介绍了纳米材料的电学性能以及单电子器件的基本原理和应用;
Development of Electron Device Transfer Heat Performance Test Bed Based on the Virtual Instrument 基于虚拟仪器的电子器件散热特性实验台的研制
But in the application of electron device, it is demanded grealy that prepare conducting PPy thin film on the porous insulating substrate. 但是,在电子器件的应用中,越来越多地要求将聚吡咯导电薄膜制备在多孔性绝缘基底上。
The heat dissipation of anodes or collectors is one of the essential problems in the design of high power electron device. 阳极或收集极的散热问题是大功率电子器件的基本问题之一。
Microwave Power Module: The Key Electron Device for Next Generation Weapon Systems 微波功率模块:下一代武器系统的关键电子器件
The soft magnetic ferrites materials possess low saturation, which limits electron device miniaturization. 铁氧体材料由于饱和磁化强度低,限制了器件的小型化。
Alone with the emergence of high high-density, high speed and high reliability microelectronic products, as the protection element of electron device, traditional device could not meet market needs due to large volume, easily broken, not be able to installation automatically and other shortages. 随着高密度、高速度和高可靠性的主体结构微电子产品的产生,作为电子设备的保护元件,传统的熔断器由于体积大、易破碎、无法实现自动化安装等自身的缺陷已经不适应市场的需求。
Self-assembled silicon-germanium quantum dots ( GeSi QDs) have important applications in optoelectronics, microelectronics, and single electron device fields. 硅衬底上自组织生长的锗硅量子点(GeSiQDs)在光电子、微电子和单电子器件领域有着重要的应用前景。
Microwave vacuum electron device is one of the indispensable electron devices in microwave or millimeter wave field, especially in microwave communication field owning to its advantages like high gain, high power, high efficiency and wide band. 微波电真空器件因其具有高增益、高功率、高效率、宽频带等优点,在微波、毫米波领域,尤其是在微波通信中一直都是不可缺少的电子器件之一。