According to these technologies , the pyrolytic graphite grid that we disposed meets requirements of the electron tubes assembly 按照这些规范处理的热解石墨栅极质量符合电子管装配的要求。
Branch of science that deals with the study and application of electron devices , e . g . , electron tubes , transistors , magnetic amplifiers , etc 关于电子器件(例如电子管、晶体管、磁放大器等)的研究与应用的一门科学分支。
The above exploitation of these new technologies has provided groundwork conditions for the new electron tubes developing and better qualities of the old electron tubes improving 上述几项新工艺的开发为电子管新产品的开发和老产品质量的改善奠定了良好的基础。
It joins rapidly , keeps in touch with the characteristic such as being reliable , apply to the radio equipment and electron tube instrument field and join the coaxial cable of the radio frequency extensively 它具有连接迅速，接触可靠等特点，广泛应用于无线电设备和电子仪器领域连接射频同轴电缆。
As for the tv transmitter of uhf of which the power grade is above 10kw , the valve power amplifier such as the electron tube , klystron and iot are widely adopted in high - frequency linear power amplifier 功率等级在10kw以上的uhf (特高频)电视发射机，其高频线性功率放大器普遍采用电子管、速调管、感应输出管( iot )等电真空管放大器件。
Mainly for capacitance , semiconductor , jingzhen , resistance , ic chips , jiechajian procedures , connecting pieces , switching devices , silicon , triode , diode , piezoelectric ceramic base films , tubes , electron tubes , electronic stamping , precision metal parts , production processes between cleansing processes 芯片接插件连接件转接器硅片三极管二极管压电陶瓷基片显象管电真空器件等内精密电子冲压五金零件，生产加工过程工序间的清洗。
The series of smb products are that one kind push the locking type joining , it has small , light , electric performance a fine characteristic easy to use , suitable for joining the coaxial cable of the radio frequency to use in the radio equipment and radio frequency loop of the electron tube instrument Smb系列产品是一种推入锁紧式连接器，它具有体积小、重量轻、电性能优良、使用方便的特点，适用于无线电设备及电子仪器的射频回路中连接射频同轴电缆用。
On the base of summarizing and reference to the achievement of uhf complete solid - state high - frequency power amplifier abroad , the author have made a deep research in uhf 10kw electron tube tv transmitter power amplifiers which are widely used inland , and asked for ideas of a lot of engineers of chongqing tv transmitting station , brought forward a practicable solidification scheme under the guidance of prof . gao chao and prof . guoyongcai , and made a successful practice at chongqing tv transmitting station 笔者在总结和借鉴国内外有关uhf全固态电视发射机高频线性功率放大器研究成果的基础上，对目前国内电视发射台普遍采用的uhf10kw电子管电视发射机高频线性功率放大器进行了深入研究，并广泛征求重庆电视发射台工程师的意见，在重庆大学高潮教授和郭永彩教授的指导下，提出了切实可行的固态化改造方案，并在重庆电视发射台实践成功。
This project which is based on the demand of increasing the electron tube ’ s qualities totally and reducing the manufacture cost has done a large amount of investigative work as follows to improve and perfect the technologies for the important part of electron tube manufacture ? the grid surface processing : on the surface processing of the molybdenum grid , the primary purpose is to reduce thermionic emission and secondary electronic emission of the grid . by the constantly experiment and grabbling the different technology routes , we have successfully developed these new technologies on the tac and zrc electrophoresis and electroplating platinum black of the grid , and made its surface cladding quality very stable and reliable 本课题是基于整体提高电子管的质量和降低生产成本的要求,对电子管生产中的重要部分? ?栅极的表面处理技术进行改进和完善,主要在以下方面进行了深入研究:在钼栅极表面处理方面,主要为实现降低栅极的热电子发射和二次电子发射,通过不同工艺路线的不断试验和摸索,成功开发出栅极电泳tac 、 zrc和电镀铂黑的新工艺,使栅极的涂覆质量稳定可靠。
The company talented people , give full play to their talents , continuous improvement , continuous innovation , in 1990s , improves the two series of hf including seven products to new energy - efficient products , and through the identification of new products at the provincial level , including : designed and developed by ourselves the new products gp - h - d 800kw electron tube - powered high frequency induction heating equipment filled the domestic gap 公司以其科学的质量管理雄厚的技术力量，连年被河北省科委命名为高新技术企业。并率先在同行业中通过了is09001 ： 20 .本公司生产的高频焊管加热设备为节能新型单回路，整机电路成熟，可靠耐用。
