熱電子電流 的英文怎麼說

中文拼音 [rèdiànzidiànliú]
熱電子電流 英文
thermionic current
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 電子 : [物理學] [電學] electron
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. We make an electron gun which consists of a tungsten wire heated by an electric current.

    我們製造了一把電子槍，它包括一根用電流加熱的鎢絲。
  2. Measuring methods of the heater or filament current and voltage for electronic tubes

    電子管熱絲或燈絲電流和電壓的測試方法
  3. Measurements of the electrical properties of electronic tubes. part 2 : measurement of heater or filament current

    電子管電性能的測量.第2部分:熱絲或燈絲電流的測量
  4. When the design pressure of the reactor / regenerator is less than or equal to the design pressure of the main fractionator, or there is some absolute mechanical limit to the regenerator pressure ( plus the static head difference between the regenerator and reactor ) that is less than the main fractionator design pressure, the units do not need large relief valves on the main fractionator

    當所設計反應器或交流熱換器的壓力小於或等於主分餾器，又或者有些機械上無可避免的限制（還有就是兩靜電頭的不同）小於交流熱換器的壓力，其時整個部件就不需要大的調劑電子管了。
  5. Many planets ( for example, ganymede, mercury, the earth, jupiter and saturn ) and stars ( for example, the sun ) possess intrinsic magnetic fields. the explanation for their existence and variation remains a great challenge to planetary scientists and astrophysicists. this article attempts to review some recent developments and difficulties in the study of magnetohydrodynamics for the electrically conducting fluid interiors of planets and stars. it is the fluid motions, usually driven by thermal convection, that generate and sustain magnetic fields through magnetohydrodynamic processes in planets and stars. in planets, the magnetohydrodynamic processes are strongly affected by the combined and inseparable effects of rotation, magnetic fields and spherical geometry. the key dynamics involves the interaction between the coriolis and lorentz forces. in the sun, it is the solar tachocline, a thin shear flow layer located at the base of the convection envelope, that plays an essential role in the solar magnetohydrodynamic processes which produce the 11 - year sunspot cycle. some results of a new nonlinear three - dimensional solar dynamo model are also presented

    許多行星（如木衛三，水星，地球，木星和土星）和恆星（如太陽）具有內部磁場.對這些磁場的存在和變化的解釋對行星科學家和天體物理學家是一個巨大的挑戰.本文試圖總結行星和恆星的導電流體內部磁流體力學研究的新近發展和困難.一般由熱對流驅動的流動通過磁流體力學過程產生並維持在行星和恆星中的磁場.在行星中磁流體力學過程強烈地受到轉動，磁場和球幾何位型的綜合影響.其動力學的關鍵方面涉及科里奧利力和洛倫茲力間的相互作用.在太陽中其流線，即處于對流層的薄的剪切流層在太陽的磁流體力學過程中扮演了一個基本的角色，並由之產生了11年的太陽黑子周期.本文也給出了一個新的非線性三維太陽發電機模型
  6. In order to examine the south motorcycle engine preignition phenomenon, using the rich burning information of the massive ions which are produced when the air cylinder is burnt, through analyzing the wave form difference between lighting a fire normally and firing early, it can be determined whether preignition occurs or not

    為了檢測南方摩托車發動機早燃現象，利用其氣缸內燃燒時產生大量的離子電流信號所包含的豐富燃燒信息，對其火花塞正常點火和熾熱點火離子電流顯示的波形進行研究分析，從而確定是否發生早燃。
  7. In this article, physical equations and relative three - dimensional finite - difference formulae in cylindrical and spherical geometries were derived and two - and three - dimensional code in cylindrical and spherical geometries for direct - drive by laser was made, based on the lared - s code in planar geometry. it consisted of the processes such as the inverse bremsstrahlung absorption, electic heat conduction and fluid dynamics

    本論文在lared - s程序平面版本基礎上，推導了三維柱和球幾何中激光驅動的物理方程和相應的差分方程，編制了二維和三維柱和球幾何中激光驅動流體不穩定性的lared - s程序版本，主要物理過程包括：激光逆軔致吸收、電子熱傳導和流體運動。
  8. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。
  9. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件（ cpu模擬晶元）表面與環境溫度之差及通風、流速的影響進行了系統的測試，發現充液量與溫差的關系在負荷不變時呈拋物線分佈，其極小值點對應的充液量是最佳充液量g 。在充液量為g時，對風速v 、散熱量q進行的研究表明，當風速超過1 . 5m / s后，奔騰晶元在60w發熱條件下晶元溫度小於40 ，能滿足長期正常工作。
  10. Thus atom diffusion is a ' key factor to pecht. how do atoms diffuse under bpec heating

    因此，原子的擴散是決定脈沖大電流熱加工的重要因素。
  11. And is it the same as under radiation heating ? do the special electric and magnetic fields produced by bpec accelerate atom diffusion ? understanding the above questions fully is a key to expose the mechanism of pecht

    在脈沖大電流加工過程中原子是如何擴散的，與一般的加熱燒結、焊接是否一樣，脈沖大電流形成的特殊電場及磁場是否對原子的擴散有大的推動作用，弄清這些問題成為進一步揭示脈沖大電流熱加工機理的關鍵。
  12. In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa

    本文設計出三種樣品預構件，研究脈沖大電流加熱條件下片狀材料、線狀材料和球形顆粒之間的原子擴散過程，弄清脈沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別，以證實特殊的電場和磁場是否對原子的擴散有推動作用，揭示脈沖大電流加熱條件下原子的擴散過程，探索脈沖大電流熱加工技術快速高效的原因。
  13. Pulse electric current heat treatment ( pecht ) developed by sodick, ltd., of japan, is a recently developed material processing method which consists of spark plasma sintering and welding, plasma activated sintering and welding, big pulse electric current ( bpec ) diffusion welding etc. the following are basic merits of pecht : rapid heating and cooling ; short sintering or welding time ; lowering sintering or welding temperature

    脈沖電流熱加工（ pulseelectriccurrentheattreatment ，比如燒結，焊接等）是九十年代發展起來的一種材料快速制備新技術，它包括放電等離子燒結與焊接、等離子活化燒結與焊接、脈沖大電流擴散焊接等。它具有升溫、降溫速度快、能在較低的溫度下燒結或焊接以及時間短的特點。
  14. Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le

    對于不同工質的冷藏集裝箱製冷系統，電子膨脹閥應該根據具體製冷劑的熱力性質選取；電子膨脹閥流量系數對孔徑和脈沖數比較敏感；在結構固定時，流量系數隨蒸發溫度的降低而升高，隨冷凝溫度的增加而增大，受過冷度變化的影響較小；電子膨脹閥的容量受孔徑影響最大。
  15. Hot electron tunneling mechanism of current collapse in gan hfet

    溝道熱電子隧穿電流崩塌模型
  16. Using the electric frequency permeameter can compliment the penetration and absorbance of the la zephire breast abundance essence liquid, and help the unique lz natural plant active factors to release their effects

    電頻滲透儀可促進美胸精華液的滲透和吸收，使獨有的lz天然植物活性因子向乳房脂肪細胞層層釋放，傳遞熱量，微電流加熱真皮層來促進膠原蛋白和彈性組織的生成
  17. The positive charge assisted tunneling current can be greatly reduced by using appropriate substrate hot electron injection technique

    利用襯底熱電子注入技術，正電荷輔助隧穿電流可被大大的減弱。
  18. The microstructure observation in the microfissures suggests the liquation microcrack results from grain boundary liquation by constitutional liquation of mc carbides and formation of continuous and or semi - continuous low melting liquid films, however, the occurrence of the solid state microcracks can be attributed to the effect of ultrafast transit thermal shock introduced by high energy electron beam

    液化裂紋起源於mc碳化物的組份液化而形成的晶界連續或半連續的低熔點共晶液化膜，固相裂紋形成的則是高能電子束流的快速瞬態熱沖擊效應的直接結果。
  19. Using stable heat transferring theory, a thermo hydraulic model has been built, which has considered the influence of the core temperature and cooling hydrogen temperature. and bring forward a modifying method, which let the model can be used in the varying winding current condition

    在此基礎上本文提出了溫度傳遞延時的修正方法，使基於穩態傳熱的溫度水力模型可以應用到定子電流發生變化的情況，解決了定子電流變化時模型精度差的問題。
  20. An inverse time - lag operating equation with accumulating stator current is achieved in this paper, according to the heating of the motor

    根據同步電動機發熱機理，建立了累加定子電流的同步電動機發熱模型，較真實地反應了同步電動機的發熱過程。
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