tube emission 中文意思是什麼
tube emission
解釋
電子管發射-
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
本課題是基於整體提高電子管的質量和降低生產成本的要求，對電子管生產中的重要部分? ?柵極的表面處理技術進行改進和完善，主要在以下方面進行了深入研究:在鉬柵極表面處理方面，主要為實現降低柵極的熱電子發射和二次電子發射，通過不同工藝路線的不斷試驗和摸索，成功開發出柵極電泳tac 、 zrc和電鍍鉑黑的新工藝，使柵極的塗覆質量穩定可靠。 -
This produces light through collisions of the electrons with phosphors on the tube surface. the electrons are produced by electric fields rather than the mionic emission, and the vacuum tubes are much thinner than conventional crts
通過電子管與面上熒光粉相撞而產生光，這里的電子不是通過熱發射而是電場產生的，這種真空管要比常規的crt薄得多。 -
At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency
在平面工藝初期，由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配， sio _ 2對其又有良好的掩蔽作用，早被選為npn硅平面器件的理想基區擴散源，但b在硅中的固溶度大（ 1000時達到5 10 ~ （ 20 ） ，擴散系數小， b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈，導致器件不能滿足高反壓的要求，隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝，前者會引起較大的基區偏差，雜質在硅內存在突變區域，導致放大系數分散嚴重，下降時間t _ f值較高，熱穩定性差；後者需要難度較大的真空封管技術，工藝重復性差，報廢率高，在擴散質量、生產效率諸方面均不能令人滿意。 -
Professor david wan of the department of biochemistry and his post - graduate student denis ip discovered the novel orange fluorescent protein in tube anemone. it is the first native orange fluorescent protein ever cloned, and has an emission maximum lined at the orange color region of the visible light spectrum
這種天然橙色螢光蛋白是由中大生物化學系溫志昌教授及他的研究生葉子明共同研製，取自一種能發螢光的管葵，是本地首個利用生物科技克隆的螢光蛋白。 -
The experimental results demonstrate that the intensity of grazing emission x - ray fluorescence becomes more intensive with the higher anode voltage of x - ray tube or the bigger grazing emission angle, which provide a possibility for accelerating the process of grazing emission x - ray fluorescence analysis
實驗結果表明，掠出射x射線熒光強度隨x射線管陽極高壓的增大而增大；隨掠出射角的增大而增大。這為提高掠出射x射線熒光分析的速度提供了可能。 -
With the development of high power microwave tube, the theoretical and experiment investigation of the high performance cathode have been conducted. the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission, the measurement of the inner and surface fine structures of the cathode, the discussion of emission mechanism of thermionic cathode. after a lot of experiment, we finally determined the cathode preparation with an excellent emission
為了適應大功率微波管的發展，本文展開了對高性能（大電流密度、長壽命）陰極的研究，研究工作包括陰極制備工藝、鋇鎢陰極基金屬對陰極發射性能影響、以及鋇鎢陰極基底內部結構無損檢測及表面形貌檢測、鋇鎢陰極發射機理探討及應用四個方面的實驗和理論的研究。 -
In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam
在陰極射線管顯示器中，用電子束激勵后熒光物質光發射的持續現象。 -
A novel patterning technology of fine - pitched carbon nano tubes pixels on photo resists layer has been developed by lift - off process. another new sealing technology named flat panel sealed method in vacuum chamber for fed or other electro - vacuum devices has also been developed. the screen printed carbon nano tube field emission display device fabrication process has been set up and a 2
建立了一種採用光刻膠作掩模的直接剝離方法，並可獲得高密度線條分佈的碳納米管冷陰極；建立了一種電真空器件的真空原位平面封裝方法；建立了一整套較為完善的碳納米管場發射冷陰極印刷制備及場發射顯示器件制備的工藝流程，並成功獲得2 . 2英寸碳納米管動態顯示原理型樣機。 -
Field emission display ( fed ) is a promising novel flat panel display which has the advantages both of the high brightness of cathode ray tube and the portability of liquid crystal display
場致發射顯示器（ fed ）作為平板顯示器的一種，兼具陰極射線管（ crt ）的明亮逼真與液晶顯示器（ lcd ）輕薄便攜等優點，是一種前景十分看好的新型平板顯示器件。
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