陰極發射 的英文怎麼說
中文拼音 [yīnjífāshè]
陰極發射
英文
cathode emission-
Lab6, as one kind of better material, is so perfect with it ’ s excellent physical and chemic characteristic
與之相比，六硼化鑭具有優異的物理和化學特性，使之成為場發射陰極發射體的理想材料。To control the electron beam emitted from the carbon nanotube ( cnt ) cathode, four different electron chunnels are designed
摘要為了控制碳納米管陰極發射電子束的形狀，設計了4種電子通道來控制電子束軌跡。Product range includes diaphragm, piston, peristaltic, rotary vane, linear, and vibratory armature pumps for medical, analytical, environmental, and automotive uses
-研發與製造旋片式真空泵往復式真空泵冷陰極濺射離子泵爪式無油真空泵等系列產品。Various types of techniques have been applied to study the main principle problem. these techniques involve petrography, x - ray diffraction ( xrd ), scanning electron microscope ( sem ), carbon isotope, cathodoluminescence ( cl ), fluid inclusion, and epoxy - resin casts
論文中所用的分析原理與技術方法包括：層序地層學分析、 x -衍射、掃描電鏡、穩定同位素、陰極發光、流體包裹體與染色鑄體薄片等。Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons, and evolution of electromagnetic fields, particle - in - cell ( pic ) code is chosen as study tool, and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d, which is suitable for simulating the operation of the pegs, has been established
考慮到peos物理現象涉及到等離子體和陰極發射電子的動力學行為以及空間電磁場的復雜變化，我們採用粒子模擬方法作為研究工具，研製了適用於peos物理問題模擬研究的二維柱坐標全電磁粒子模擬程序cylinder2 - 1 2d 。As a nondestructive technique to measure the inner fine structure of the cathode, the ict has the unique advantage. we discussed the emission mechanism of thermionic cathode, and tried to explain the excellent performance of mixed metal cathode by richardson formula and muller ' s computational model
4 ）就當前鋇鎢陰極發射機理的兩個主要理論模型作了自己的探討，並初探了鋇鎢陰極中鋇的供應機制及發射壽命預測的問題，而且用理查遜公式的推導和muller計算機模擬法解釋了混合基鋇鎢陰極的優良性能。Experimental research for the specific property of mo poly - crystal cathode
金屬鉬陰極發射特性的實驗研究The influencing factors of emission properties have been analysed and found that emission capabilities of rare - earth co - doped cathodes are obviously related to the content of sc2o3, the high content of sc2o3 in some extent, the high emission capability can obtain.
分析了影響發射性能的因素，研究表明復合稀土陰極發射能力與sc2o3的含量相關，在一定范圍內sc2o3含量高則發射性能好。Measurements of the electrical properties of electronic tubes. part 13 : methods of measurement of emission current from hot cathodes for high - vacuum electronic tubes and valves
電子管電性能的測量.第13部分:高真空電子管熱陰極發射電流的測量方法Study of the emitting properties of lab6 in electron beam welder
電子束焊機六硼化鑭陰極發射性能研究At present, the material of emitting cathode is mostly present with big escaping powers low reliability 1ow uniformity and emission capability
摘要目前，陰極發射體材料多存在逸出功大，可靠性及均勻性低，發射性能低、不能自動調節活性物質更替的速度等方面的問題。Lab6, as one kind of better material, is so perfect that it is important to research its chemical etching in the arts and crafts to be used in the preparation of emitting cathode, we simply state the chemical etching technical research in material of lab6 and have gainded graphics surface of lab6
而對六硼化鑭的化學腐蝕在以其為陰極的陰極發射體制備工藝中起著至關重要的作用，本文簡述了對材料的化學腐蝕工藝的初步研究，並得到了圖形化的六硼化鑭表面。Experimental study on the emission property of the monocrystal and polycrystal lab6 cathodes
6陰極發射性能的實驗研究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。The properties of these doped powders, the microstructure and composition of these rare - earth co - doped tungsten matrices and cathodes have been investigated by size analysis, xrd, sem and edax. the electronic emission performances of these cathodes are measured in uhv electron emission surveyor. aes is adopted to analyze the atom composition and diffusion behavior of active elements on cathode surfaces
通過粒度分析、 xrd 、 sem 、 edax研究了摻雜粉末的特性、燒結基體和陰極的微觀結構和成分;用動態真空電子發射測試儀對上述陰極進行了電子發射水平的測試;採用aes對陰極表面原子組成和活性物質的擴散行為進行了研究，分析了陰極發射水平與表面原子組成的關系。Cathode emission area
陰極發射區The aim of this paper is to discuss the effects of structure parameters on field emission performance, in order to fabricate excellent field emission cathodes
本文的工作旨在研究探索尖錐場發射陰極中各結構參數對陰極發射性能的影響，以製作出性能優良的場發射陣列陰極。The whole performance of device depends on the capability of field emitting cold cathodes which act as the kernel of all kinds of vacuum micro - electronics device. people take much measure constantly to improve the whole performance of device through mending the cathode structure and optimizing cathode preparation methods. among them, finding new material of emitting cathode is a central way to enhance the performance which be given a favorable condition offered by development of science and researching of new material
人們通過不斷的改進陰極結構，優化陰極的制備工藝等各種措施和手段來提高陰極的總體性能，其中，新材料在陰極發射體中的運用是提高陰極性能的主要途徑之一，近代科學技術的高速發展以及對新材料的進一步開發和研究為場發射陰極性能的改善提供了廣闊的發展空間和開發潛力。Experimental investigation on emission uniformity of carbon fiber cathode
碳纖維陰極發射均勻性的實驗研究Measurements of the electrical properties of transmitting tubes - measuring methods of cathode emission current
發射管電性能測試方法陰極發射電流的測試方法分享友人