surface of emission 中文意思是什麼
surface of emission
解釋
發射面-
4 the cleanout and the passivation of si surface was carried out by a two - step process to overcome the surface oxide layer and balance the charge between the substrate and epitaxy. by this way, the crystal quality and emission characteristic of zno thin films can be improved, which provide a way to resolve the native oxide layer of si substrate
4 、通過用等離子體對硅襯底表面進行清洗和鈍化兩步處理，解決硅襯底表面的氧化層和界面電荷平衡問題，制備出了高質量的氧化鋅薄膜材料，找到了一條獲得了高質量的氧化鋅薄膜的新途徑。 -
From the emission spectra of coumarin 102 ( c102 ) in different conditions, it showed that c102 molecule existed single in both the composite material films. the sample catalyzed by acid had flat surface and dense structure but it had hackly surface and open structure catalyzed by the alkali
香豆素102 （ ci02 ）在不同狀1態下的熒光分析表明，無論是堿還是酸催化所得薄膜復合材料， ci02分子在其中基本都以單體的形式存在。 -
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。 -
The activation effect of zn2 + modification, including enhancement of emission intensity, slowing of luminescence decay and increasing of quantum yields, results from the formation of zns shell outside the nanoparticles, which is passivating the surface of nanoparticles, eliminating the surface quenching centers, so as to block the nonradiative transition pathways through these kind of quenching centers
Zn ~ （ 2 + ）表面修飾在納米顆粒表面形成了zns殼層，鈍化了納米顆粒的表面，消除了表面猝滅中心，阻塞了通過表面猝滅中心進行無輻射躍遷的通道，從而使得發光強度增加，衰減變慢，量子效率提高。 -
The empirical formula in the process of the secondary emission is analyzed ; the stabilization condition of vacuum surface flashover is deduced. the physics image of the vacuum surface flashover is described with the seea theory
本文分析了二次電子發射過程的經驗公式，推導了真空表面閃絡的穩定條件，以seea理論的觀點描述了真空表面閃絡發生的物理圖象。 -
The dust charging associated with the electron beams including the secondary emission of dust can dominate the dust surface potential in the close cathode region. in this case, dust of the same size can levitate at two different positions in the cathode
另外還發現：在考慮極板有強電子束發射和塵埃粒子本身的二次電子發射時，同一大小的塵埃粒子能夠懸浮在鞘層中兩個不同的位置。 -
The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper
本文研究了用igc （惰性氣體蒸發凝聚原位溫壓法）制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅（冷軋紫銅、電解銅）在酸性硫酸銅溶液和中性含氯溶液中，在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法（ cv ）和電化學阻抗譜（ eis ）等方法。 x -射線衍射（ xrd ）的方法用來估算納米晶銅晶粒尺寸。 -
In many stellar disks, observers also have found the spectral signature of silicate emission, indicating that small dust grains on the disk surface have been strongly heated by the stellar radiation
天文學家也發現了許多恆星氣盤具有矽的發射光譜，表示盤面上的微小塵埃顆粒已被恆星輻射強烈加熱。 -
( 4 ) chapter vi. the theory of ion curren extraction of rf ion source is investigated, the reason of emission surface formation and its effect on ion curren extraction are reasearched emphatically
（ 4 ）對高頻離子源的束流引出原理作了理論推導和分析，著重研究了發射面的形成及其對引出束流特性的影響。 -
The quenching centers aroused by mn2 + introduction merely quench the orange emission of colloidal zns : mn2 + nanocrystals. the quenching process of this kind of quenching centers, which reduce the energy of 4t1 level rather than that of conduction band, is different from that of the quenching centers eliminated by zn2 + introduction. the quenching data is analyzed considering the distribution of mn2 + additives adsorbed at the surface of colloidal nanoparticles
Mn ~ （ 2 + ）表面修飾引起的表面猝滅中心只對橙光發射有猝滅作用，這些猝滅中心和外加zn ~ （ 2 + ）消除的表面猝滅中心猝滅行為不同，它們只減少來自內部mn ~ （ 2 + ）雜質~ 4t _ 1能級上的，而不是zns基質導帶上的能量。 -
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。 -
Excited with 228nm, the emission bands centered at about 365nm and 460nm originate from the electron transitions of 1d2 - 1s0 and 3d - 1s0 in ag + respectively, and the emission band at 400nm results from the surface plasma resonance of the silver nanoparticles, which aggregated near the surface of the films
在228nm光激發下，復合膜中ag ~ +的電子的~ 1d _ 2 ~ 1s _ 0躍遷和~ 3d ~ 1s _ 0躍遷分別在365和460nm附近發光，聚集在復合膜表面的納米銀粒子的表面等離激元共振導致了400nm附近的發光。 -
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。 -
To find a proper and convenient way in electron emitter research, in the paper, we have discussed the essential and possibility of setting up a new pld ( pulsed laser deposition ) device which connects with aes ( auger energy spectra ), and built such device in order to complete cathode deposition and analysis without exposing to the atmosphere and carried out cathode in - situ preparation and analysis electron emission phenomenon is a physical process taken place in surface of electron emitter
為了解決電子發射體（陰極）研究方法中存在的問題，並尋求一種適當的、方便的陰極研究實驗方法，本論文論證了建立與aes相連的pld裝置的必要性和可行性，並實際建立了這一裝置，實現了陰極的原位沉積、原位分析。電子發射現象是在電子發射體表面發生的物理過程，發射表面是由活性元素構成的動態平衡系統，這一系統直接決定電子發射性能。表面分析手段對陰極研究是必不可少的。 -
Currently, cylinder2 - 1 / 2d includes boundary conditions for the electric and magnetic fields at the surface of ideal conductors, the cylindrical axis, the incoming wave ports. a new and simple model for explosion electron emission from cathode surfaces is described
程序中實現了多種邊界條件，如良導體、對稱軸、入射波等，詳細地介紹了陰極表面爆炸發射電子的演算法處理和程序實現。 -
In this paper ， first, the author drew some important conclusions by analyzing several technical factors and experimental conditions which would have great influence on the quality of diamond thin films during mpcvd process ， including gas proportion ， the power of microwave ， the plasma ' s location, the nucleation technique, etc. finally ， the author has successfully deposited nanocrystalline diamond thin films with 300nm crystal particles on the slick surface of silicon by using ch4 / h2 gases in the mpcvd system ， and the nanocrystalline diamond thin films was proved to have good field emission performance. all these researches will make the foundation for the field emission cathode of diamond films
本論文中，作者分析了mpcvd方法中氣源成分比、微波功率、等離子體球的位置、成核技術等各種工藝條件對金剛石薄膜質量的影響，並總結得到了一些有意義的結論；同時，在自行研製的mpcvd沉積系統上，於4 - 7kpa 、 1000左右的熱力學條件下，採用ch4 / h2氣源氣氛在光滑的硅襯底上制備出了晶粒尺寸在300納米以下的納米晶金剛石薄膜，測試得到了較好的薄膜場致電子發射性能，為金剛石薄膜場致發射冷陰極的研究工作打下了實驗基礎。 -
The increase of radiative transition rate with decreasing particle size was attributed to the lower symmetry surrounding the eu3 + ions, while the increase of nonradiative transition rate to the extra nonradiative transition channels caused by surface defects. ( 3 ) under excitation of 488 nm, temperature - dependence of emission intensity of the 5d4 - 7fj transition in nanocrystalline y2o3 : tb was studied. in nanocrystalline, there appeared two maximal intensities
（ 3 ）研究了488nm激光激發下不同顆粒尺寸的y _ 2o _ 3 ： tb納米晶熒光發射強度隨溫度的變化規律，發現y _ 2o _ 3 ： tb納米晶熒光發射強度在280k與590k存在兩個極大值，而體材料只在280k有一個極大值。 -
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 surface of the mantle is specially texturized ： the light casts after multiple diffuse reflections to gain homogeneous emission
1燈罩表面採用特殊紋理處理:光線經過多次漫反射，再投射出來，透光均勻 -
The chelation ability made ac - hac act as a protection layer on the surface of cds nanoparticles, which reduced surface states and improved the band edge emission. 3
這是因為聚丙烯酸?丙烯酸羥丙酯在一定程度上能夠修飾cds納米粒子表面，減少表面缺陷，提高納米粒子的帶隙發光。
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