熱發射 的英文怎麼說

中文拼音 [rèfāshè]
熱發射 英文
heat emission熱發射電子 thermal electron; 熱發射電子管 thermionic tube
  • 發 : 名詞（頭發） hair
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  1. The emission of light that does not derive energy from the temperature of the emitting body, as in phosphorescence, fluorescence, and bioluminescence

    發冷光：不是由於發光體的熱量而來的光的發射，比如在磷光，熒光和生物性發光中。
  2. Can be used to locate cable and pc board emission " hot spots " and evaluate emc problems at the breadboard and prototype level

    ，可用於探測電纜和印製板的發射「熱點」並評估試驗電路板和樣機階段的電磁相容
  3. Fanned by a constant updraught of ventilation between the kitchen and the chimneyflue, ignition was communicated from the faggots of precombustible fuel to polyhedral masses of bituminous coal, containing in compressed mineral form the foliated fossilised decidua of primeval forests which had in turn derived their vegetative existence from the sun, primal source of heat radiant, transmitted through omnipresent luminiferous diathermanous ether

    自廚房至煙囪的孔道，不斷地向上通風，灼熱的火被它煽得從成束的易燃柴禾延燒到多面體煙煤堆上。這種煤炭含有原始森林的落葉堆積后凝縮而成的礦物狀化石森林之發育生長靠的是熱輻射性源-太陽，而熱又是由那普遍存在傳光並透熱的能媒33傳導的。
  4. The liberation of electrons from a hot wire is called thermionic emission.

    電子從熱燈絲逸出，叫做熱電子發射。
  5. Energy saving with the application of high emissive coating in reheating furnace

    高發射率塗料在加熱爐中的節能機理與應用
  6. Reducing the surface emissivity of a clothing ensemble is not in fact a very effective way of increasing its thermal insulation.

    事實上減少整套服裝的表面發射率並不是增加其隔熱性能的最有效途徑。
  7. In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites

    在第二章中，我們採用高能球磨混合方法加上熱壓燒結工藝，成功制備了ni - 20fe al _ 2o _ 3納米復合材料，並通過x射線衍射儀（ xrd ） 、透射電鏡（ tem ） 、場發射掃描電鏡（ fe - sem ） 、比表面孔隙儀（ bet ）對該復合材料的微結構進行了表徵。
  8. Usage : manufacture tungsten wire, frame of grid, elicit wire, bracket, unsag tungsten wire, mould rods in high temperature, eradiate cathode, electrodes, bracket of heating

    用途：用於製造鎢絲柵極邊桿引出線支架不下垂鎢絲，高溫定型桿發射陰極電極加熱子支撐桿等。
  9. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    （ 2 ） cu等離子體光譜：在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈；比較了激光能量對cu等離子體發射光譜、電子溫度的影響；用局部熱力學平衡（ lte ）近似，測得cu等離子體的電子溫度為104k數量級；在不同背景氣壓下，觀測了激光燒蝕cu等離子體光譜的空間分佈。
  10. 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。
  11. Indium stannum oxide ( ito ) as semiconductor have caused a great deal of interest due to their prominent electro - optical behavior. ito has high prominent transmittance, high infrared reflectance, good electrical conductivity, ito applied as gas sensors, photovoltaic devices, heat reflecting mirrors, solar cells, flat panel displays, liquid crystal displays, electroluminescent, devices and organic light - emitting diodes ( oled ) etc. although preparations and applications of ito films have been studied deeply. nano - ito composites hardly studied

    氧化銦錫（ ito ）是一種高簡並的n型半導體，由於具有導電性，可見光高透過率，紅外反射性，穩定的化學性，被廣泛應用於熱反射建築玻璃、抗靜電塗層，太陽能電池，熱發射鏡，平板顯示器和液晶顯示屏，傳感器，有機光致二級管（ oled ）等方面，國內外對高質量的ito薄膜的制備和應用進行了深入的研究，但是很少有ito納米粒子與高分子材料復合的報道。
  12. The temperature distribution on the high temperature side of an electric tunnel furnace is analysed and simulated on the basis of the principle of thermal radiation by the way of thb ( thermal heat balance ). the heated silicon carbon sticks are decomposed into innumerable tiny heating faces, which exchange the heat with the heated materials. a numerical model based on the radiation intensity law is constructed to calculate the energy absorbed by the heated materials and simulated by a computer. the results showed that the even distribution of temperature can be obtained by optimizing the arrangement of the silicon carbon sticks according to the calculation results to make the structure design more reasonable. these calculation results have been used in the practical designs and the expected objectives achieved

    利用熱輻射原理，採用熱平衡法對電熱隧道窯的高溫恆溫區溫場進行了分析和模擬.計算中將發熱棒分解為無數微元發熱面與燒結體進行熱交換，依據輻射強度定律，建立了燒結體接收能量的數學模型，並用計算機進行了模擬計算.結果表明，依據模擬結果來優化硅碳棒的排布，可使結構設計更加合理，進而可以獲得分佈均勻的恆溫區溫場.計算結果已在窯爐設計中應用，實踐效果良好
  13. Light from ordinary stars and galaxies comes largely from atoms powered by thermonuclear reactions in the hearts of stars.

    來自一般恆星和星系的光，主要是那些受恆星內部的熱核反應所激發的原子發射出的。
  14. Dc emitting characteristics of single crystal lab6 thermionic cathode

    6熱陰極直流發射特性實驗研究
  15. The study on the thermionic emitting performance of tantalum cathode mixed with cesium

    浸銫鉭陰極熱發射性能的研究
  16. The degradation of the electrical characteristics in sic pn junctions irradiated by neutron is attributed to the recombination centers and the electric field effect on the thermal emission of traps within the depletion region. the relationship of the ideality factor to the applied voltage is theoretically studied

    提出了中子輻照下sicpn結電特性退化的新的理論， pn結耗盡區中的輻照陷階在耗盡區電場的作用下熱發射效應得到加強，從而導致pn結正偏和反偏時的復合電流和產生電流的改變。
  17. 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
  18. 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。
  19. Quantum capture is a complicated process and capture time computation and experiment test are provided. it is difficult to ascertain carrier ' s transportation and distribution in multiply quantum wels and tunneling time and heating emitting time computations are also provided. optical gain whose formula is complicated is a critical parameter and it is useful for structuring model to obtain a concise formula by means of experiment curve

    詳細說明了確定半導體激光器速率方程的一些重要參量的方法，如：載流子在三維sch區的輸運行為對激光器的調制特性有較大影響；量子阱對載流子的捕獲是一個復雜的過程，文中給出了量子捕獲時間的計算方法以及實驗證明；多量子阱中載流子輸運與分佈也是相當復雜的問題，文中給出了隧穿時間與熱發射時間的計算方法；光增益是關鍵的參量，它的解析式相當繁瑣，由實驗曲線擬合其較為簡明的經驗式，對定模工作是有利的。
  20. 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。
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