陰極的 的英文怎麼說
中文拼音 [yīnjíde]
陰極的
英文
cathodal-
In addition, the structure of field emission triode and double - gated field emission cathodes are also simulated by another software ( ebs )
其次,採用本實驗室的新型軟體ebs對三極體和雙門聚焦結構的尖錐場發射陰極的發射情況進行了模擬。Study of a new cathode for high - power electron gun
電子槍新型陰極的設計An electron tube having a cathode and an anode
電子二極體有一個陽極和一個陰極的電子管The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db
通過在裝置上做的兩種陰極的對比實驗,結果顯示:碳纖維陰極的使用,改善了電子束質量,使輻射微波的脈寬增加了30 %以上,輻射主瓣方向上的功率密度提高了3db以上,頻譜分佈較純凈,實現了微波的高效輸出。By examining the new generation condutive polymer material 3 , 4 ? polyethylene dioxythiophene ( pedt ), this paper investigated the edt monomer synthetic path and the optimum filming conditions of the compound pedt. based on this research, i also discussed the manufacturing processes and the related principles of the solid tantalum capacitors, when replacing the conventional inorganic material mno2 with the pedt as the negative pole
本文以新一代導電聚合物材料3 , 4 ?聚乙烯二氧噻吩( pedt )為研究對象,研究了edt單體合成路線及聚合物pedt的最佳成膜條件,並以此為基礎,討論了以導電聚合物有機材料pedt取代傳統的無機材料mno2作陰極的固體鉭電解電容器的制備工藝及相關機理。( 2 ) on - line spectral response measurement is used to make a research on the activation process. the on - line measurement results have been analyzed and the influence excised by cs, o activation on the photoemission property of gaas wafers has been revealed. the properties of domestic and foreign nea phocathodes are compared, and the reasons causing the gap between domestic and foreign phocathodes are discussed
( 2 )利用光譜響應在線測試技術研究nea光電陰極的激活工藝,通過對在線測試的光譜響應曲線進行分析、比較和計算,剖析了激活工藝給陰極光電發射性能帶來的影響,並從性能評估的角度,比較了國內外nea光電陰極的性能,分析了它們之間存在差距的原因。The multiplication system of the electron - multiplier phototube is based on electronic voltage. so, it is especially important to choose a suitable pmt and reasonably design pmt disparted - voltage - device
經分析比較各種型號光電倍增管的性能及特點,本文採用emi公司雙堿陰極的9789qb管型光電倍增管。Study of field emission display of tetrapod - like nanostructures zno cathode
四腳狀納米氧化鋅陰極的場致發射顯示研究The research and development and industrial test of aluminium electrolysis wetness cathode
鋁電解可濕潤性陰極的研究開發與工業試驗Researches on thermal emittance of metal cathode in photoinjectors
光陰極電子槍中金屬光陰極的熱發射度研究The research focus concentrates on the use of feas as a cold cathode source for microwave power amplifiers or flat panel displays. now silicon and molybdenum are the most popular materials used for tip field emitter arrays
針對目前場發射陣列陰極的研究情況,較為常用的是鉬微尖場發射陣列和硅微尖場發射陣列。At present, feas have potential for use as an electron source in a wide variety of applications, including microwave power amplifiers ( such as twts, klystron ), flat panel displays, electron microscopy, and electron beam lithography
目前,場致發射陣列陰極的應用領域十分廣泛,主要包括微波器件(應用於twts , klystron等) 、平板顯示器( feds ) 、電子顯微鏡及電子束刻蝕系統等。其中,應用研究的焦點主要集中在平板顯示器和射頻功率放大器。This new radial reflex klystron oscillator with virtual cathode is designed and simulated by 2. 5 - d pic code
分析了電子束在徑向反射腔中形成虛陰極的過程和虛陰極對電子束的調製作用。According to the literature in the world, now the research of lab6 is not mostly concentrated in field emission but hot emission. preparation of lab6 field emitting cold cathode is correlative with it ’ s physical and chemical characteristic. now, there are little literature that can be used for reference
人們已經對六硼化鑭材料的性能做了大量研究工作,但據目前所見到的國內外文獻所知,對六硼化鑭陰極的研究多集中在它的熱發射方面,對于以此種材料場發射冷陰極方面的研究較少。For the pemfc cathode, besides above the parameters, the effects of the thickness of the reaction layer, the ion conductivity of nafion electrolyte and the electronic conductivity in carbon phase of the reaction layer on the electrode performance have also been investigated
在對pemfc陰極的研究中,除了以上參數以外還考慮了反應層厚度, nafion ~ ( ? )電解質的離子傳導率以及反應層中碳相傳導率對電極性能的影響。The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material
本文的主要工作和結論如下:在人工氣候室內,根據不同覆冰絕緣子正、負極性下的閃絡試驗結果,得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓;正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應;覆冰較少時,合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法,對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明,直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低,且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。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。This research has studied the microstructure of cathode materials systematically by the means of high resolution transmission electron microscopy and scanning electron microscopy, surveyed the electron emission performance of la2o3, - mo, la2o3 - y2o3 - mo, la2o3 - sc2c > 3 - mo cathode with the self - designed electron emission surveyor and analyzed the elements changing of the surface of mo - la2o3 - sc2c > 3 cathode in - situ. while it was heated to different temperature. at last, the relationship of the microstructure of cathode, diffusion of active matter and electron emission performances has been discussed
本研究採用高分辨掃描電鏡、透射電鏡對稀土鉬鎢陰極材料的顯微結構進行了系統研究;利用本課題研究組設計研製的電子發射測量儀對la2o3 - mo , la2o3 - sc2o3 - mo , la2o3 ? y2o3 - mo三種陰極(以下稱鑭?鉬陰極、鑭鈧?鉬陰極、鑭釔?鉬陰極)的發射性能進行了測量;利用經改造后的俄歇電子能譜儀「原位」分析了發射性能較好的鑭鈧鉬陰極在不同溫度下表面活性元素的變化情況。Tow types of fuel - cell models can be distinguished : microscopic and macroscopic. this paper adopt agglomerate microscopic model to analyze the fuel cell ' s performance. according to the computation, it can be concluded that the performances are determined by the thickness of the electrode, the effective ionic conductivity, the radius of agglomerate and other parameters
對燃料電池單體,建立了微觀的數學模型? ?聚塊模型,用nenmanbandj方法計算熔融碳酸鹽燃料電池陽極和陰極的過電位,分析了各種參數的影響,對電極的制備,提高單電池的性能,有一定的指導意義。However, the most commonly used x - ray sources didn " t change much no matter in structure or theory, still using thermionic cathodes as electron sources. such conventional x - ray tubes have some defaults, such as big volume, low frequency response, demanding for supply to cathode that was also brittle
目前使用的x光源的基本特點是採用熱電子發射形式即採用熱燈絲作為電子發射源,在高壓加速下轟擊陽極產生x射線,這樣的光源體積較大,需要加熱陰極的電源,且對頻率響應慢。分享友人