熱電發射 的英文怎麼說
中文拼音 [rèdiànfāshè]
熱電發射
英文
hot-electron emission-
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。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。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。( 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。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。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。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。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However, both of them have disadvantages. mo tip feas is fabricated by evaporating tip cathodes on base, so it has bad coherence with the base. on the other hand, the characteristics of silicon result in the bad heat stability, bad emission reliability, and low current density
然而，這兩種陰極存在各自的缺點，如鉬尖錐是蒸鍍在基底上的，所以與基底的附著力不強;而硅的特性又決定了其熱穩定性差，發射的可靠性低，發射電流有限。Influence of laser incidence angle on hot electrons generated in the interaction of ultrashort intense laser pulses with foil target
激光入射角對靶面方向超熱電子發射的影響The system hardware circuits of tipct and the measures for improving the quality of original thermal image are mainly discussed. the primary research content and innovation are as follows : the innovation is that some methods have been proposed to impove the quality of orginal thermal image, such as controlling excitation time, increasing temperature, reducing noise and enhancing emissivity, and so on
本文主要圍繞電路故障檢測儀的系統硬體電路和熱圖像質量改善方法進行闡述，主要的創新點和研究內容如下:本文主要的創新點是:提出了改善熱圖像質量的幾種方法，如激勵時間控制、增溫法、降噪法和提高發射率法等。These emission peaks are located in the directions of the specular reflection of laser, the target normal and the back - reflection of laser respectively
這些超熱電子發射峰分別沿著激光反射方向、靶法線方向和激光背反射方向。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。Standard practice for definition and determination of thermionic constants of electron emitters
電子發射極的熱離子常數定義和測定的標準實施規范Fabrication of 10 inch field assistant hot - electron emission display
10英寸場助熱電子發射顯示屏的製作Floor heating system of low - temperature radiating heating cable
低溫輻射發熱電纜地板採暖系統To meet the demand of thermal dispersion of some solid - state module, system research for thermal techniques is carried out, and the main contents are as follows … ( 1 ) the solid - state modules and interrelated thermal techniques are introduced on research background, and moreover developing tendencies of electronics cooling are described
本文對某雷達發射固態組件的熱技術進行了系統的研究，主要內容包括: （ 1 ）對固態組件散熱技術的研究背景和意義進行了闡述，對電子散熱技術的現狀和發展趨勢進行了總結。In spite of the enormous improvements in foundry technology, assisted by computerized processes to optimize the design of patterns and flow geometry during pouring it is extremely difficults to achieve x - ray / mt or pt quality to class 1 or 2 acceptance standards required in hp / ht applications in nuclear, thermal power stations or severe services in petrochemical industries
盡管鑄造技術已經有了巨大的發展，並利用計算機技術輔助優化結構設計和澆鑄過程的流體幾何設計，但是要達到1類或2類接受標準的x射線/ mt或pt質量要求仍然是極端困難的，而這些都是核電站、熱電站或石化工業內的苛刻環境所要求的標準。Measurements of the electrical properties of transmitting tubes - measuring methods of grid thermo - emission current
發射管電性能測試方法柵極熱放射電流的測試方法分享友人