放射電流 的英文怎麼說

中文拼音 [fàngshèdiànliú]
放射電流 英文
emission current
  • 放 : releaseset freelet go
  • 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） ...
  • 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...
  • 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...
  • 放射 : radiate; emit; blas; radiation; emission; shooting; shedding; abjection; emanation; effluence
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. Radiation monitoring equipment for accident and post - accident conditions in nuclear power plants ? part 2 : specific requirements for equipment for continuously mo - nitoring radioactive noble gasses in gaseous effluents

    核電廠事故及事故后輻射監測設備第二部分:氣態排出流中放射性氣體連續監測設備的特殊要求
  2. This paper analyzes the forming principle, effecting factors and controlling measures of poisonous gas of exhaust emission from petrol engine for vehicle fully and accurately. after the comparison on the emission control measures, it is clear that there is a trade - off relation between emission control and power, torque, fuel consumption of engine. " efi + catalytic converter " is a integration measure of in - engine and out - engine, which is a mainstream technology of emission control for petrol engine for vehicle

    本文通過大量的文獻閱讀，翔實的分析了車用汽油機排氣中有害氣體成分的產生機理、影響生成的主要因素、治理排氣污染物的主要技術措施，指出這些措施與發動機的其他性能（如動力性、經濟性等）的一種折中關系，只有「電控噴射+排氣催化轉化」是一種機內與機外相結合的措施，是控制車用汽油機排放的主流技術。
  3. Cerium - tungsten electrode, a new type of non - radiate electrode material invented in china, can not only replace the thorium - tungsten electrode in the case of low direct current and mini - scaled welding but also bears superior features over the latter

    鈰鎢電極是我國研製發明的新型無放射性的電極材料，在低電流直流條件下和小規格焊接可取代釷鎢電極，並且有更優越的性能。
  4. The quake started a fire at one of the world ' s most powerful nuclear power plants, sending radioactive water into the sea of japan

    這次地震使一所全球最大的核發電站之一發生火災，含有放射性的海水（不是海水）流入日本海。
  5. A continuous radiological gaseous discharge from the chimney or discharge outlets of a nuclear power station in the form of a stream of smoke or cloud shaped like a feather, which thus is known as the plume

    煙羽從核電站煙囟或排氣口等連續排放出來的流體或煙雲，具放射性。其外型呈羽毛狀，因而得名。
  6. Lanthanum - tungsten electrode is the substitution product of thorium - tungsten electrode because of its freedom from radioactivity. its other advantage is its endurance of high current and low burn spoilage rate

    鑭鎢電極因無放射性而成為較有發展前景的釷鎢電極的替代產品。它的另一優點是耐用電流高而燒損率最小。
  7. 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
  8. A series of experiments were conducted to research on electrode according to the principle of energy - storage materials, electroly tes, preparation techniques with the aids of the measure methods such as cyclic voltammetric measurements ( cv ), constant charge / discharge measurements, impedance spectrum, x - rays diffraction ( xrd ), transmission electronic microscope measurements ( tem ), and so on

    本文採用了循環伏安、恆電流充放電、交流阻抗、 x射線衍射、透射電子顯微鏡等實驗方法和測試手段對超大容量電容器的電極活性物質材料及電極製作工藝、電解質溶液的選取等問題展開了一系列研究。
  9. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。
  10. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益
  11. The lower resistance should select properly, too big to make radio frequency signal drive collector current too little, too small to make amplifier instable easily

    下偏電阻要選取適中，過大會使射頻信號推動集電極電流的能力過小，過小容易使放大器不穩定。
  12. Well, the ratio works similarly : if emitter current is held constant, collector current will remain at a stable, regulated value so long as the transistor has enough collector - to - emitter voltage drop to maintain it in its active mode

    系數的作用與之類似：如果發射極電流保持恆定，只要集電極發射極電壓足以使其保持在放大區，集電極電流也將穩定保持。
  13. In the diagram, the output of the error amp is connected to the base of an npn transistor : when the error amp drives current into this transistor ' s base, it allows current to flow from collector to emitter, and that transistor in turn pulls current from the base of the pass transistor

    在這個圖里，誤差放大器的輸出端連接到了一個npn三極體的基極上：當誤差放大器輸出電流到了三極體的基極上，三極體允許電流從集電極向發射極流動，這個傳輸三極體工作時就是就是從基極吸取電流的過程。
  14. Gas discharge tube s varieties and standards are very complete. it is characteristic of feature b current resistance, small capacitance, rapid response, discharge voltage stabilization, and has no light sensation effect and does not contain any radioactive material. it is optimal lightning strike over - voltage protection devices

    其中陶瓷氣體放電管品種規格全，產品耐流強，電容小，響應時間快，放電電壓穩定無光敏效應，及不含任何放射性物質。
  15. Abstract : this paper describes the thermal effects of a coaxial rf - excitedco2 laser ， based on the balance equations of electron density and energy ， current continuity equation ， and heat conduction equation. depende ncies of the spatial distributions of gas temperature on some discharge parameters arediscussed

    文摘:通過求解放電等離子體中的帶電粒子密度和能量的平衡方程、電流連續性方程以及熱傳導方程，研究了同軸射頻（ rf ）激勵co2激光器中放電混合氣體的溫度效應，分析了有關放電參數對溫度分佈的影響。
  16. The experiment was performed at the accelerator mass spectrometer ( ams ) beam line on hi - 13 tandem accelerator of ciae using the 64cu off - line rnb, so the beam can be analysed and identified by static deflection technique of ams. limited by the deflection capacity of the electrostatic analyser of ams, the maximum incident energy of 64cu beam had to be restricted to 80 mev in the coulex experiment of 64cu off - line rnb

    實驗是在中國原子能科學研究院hil串列加速器加速器質譜（ ams ）管道上完成的，利用ams靜電偏轉技術來分析鑒別束流成份，但是受ams管道靜電分析器偏轉能力的限制，在離線放射性核束中最高只能使用入射能量為80mev的的cu束。
  17. Based on the study of r - 2r resistor network, a new precision resistor network is also presented. and the high - speed current switch, reference ampler, bias circuit are described in terms of their design principles and circuit structures. this architecture implements the 8bit d / a converter and the settle time achieves 110ns

    針對高速的要求，在研究r - 2r電阻網路基礎上設計了一種新型精密電阻網路；同時著重闡述了包括八個匹配的共射極電位不變的電流開關、基準放大器、偏置電路等在內的基本單元電路的設計原理和結構。
  18. This meeting received 400 thesis totally and exchanged 318 thesis, in which 14 special topics from famous neurosurgerist both home and abroad, exchanged orally 107 thesis 20 thesis on parkingson, 15 on brain depth electrical stimulation, 19 on epilepsy, irradiation neurosurgery, endoscope and micro - attack neurosurgery and 19 on other aspects. 197 thesis were posted for exchange 31 on parkingson and dyskinesia, 32 on epilepsy, 40 on irradiation neurosurgery, 5 on ache, . academician wang zhongcheng, famous neurosurgerist and also managing director of china medical assocition neurosurgery branch, professor maro sindou from france, chairman of world

    大會共收到論文余篇，大會交流篇，其中來自國內外著名神經外科專家的專題講座篇，大會口頭交流篇帕金森氏病篇，腦深部電刺激篇，癲癇篇，放射性神經外科篇，疼痛內窺鏡及微侵襲神經外科篇，新技術及其它方面篇，大會張貼交流篇帕金森氏病和運動障礙篇，癲癇篇，放射性神經外科篇，疼痛篇，神經內窺鏡篇，微侵襲神經外科和新技術篇，其它篇。
  19. The morphology examination by sem and tem showed that the carbon nanotubes were arranged in the array uniformly and paralleled, with smooth walls, the outside diameter of 120 nm and the inside diameter of 110 nm. from the cyclic voltammetry, the array electrodes in an acidic electrolytic solution had greater capacitance than the case in a neutral electrolytic solution. the specific capacitance of 365 f / g was achieved with the discharge current density of 210 ma / g in the solution of 1 mol / l h2so4

    掃描電子顯微鏡和透射電子顯微鏡對碳納米管陣列電極的形貌表徵表明碳納米管形狀規整，排列有序，尺寸均勻，管壁光滑，外徑約為120nm ，內徑約為110nm ；循環伏安實驗表明mwnts陣列電極在酸性溶液中比在中性溶液中具有更好的電容性能；根據恆電流充放電法得出mwnts陣列電極在1mol / lh _ 2so _ 4水溶液中，在210ma / g的放電電流密度下的比電容可達353f / g ，比目前報道的無序碳納米管和活性炭電極的比容量都高得多；其它電化學實驗顯示該電極具有很低的內阻和良好的充放電循環穩定性。
  20. The tokyo electric power company, which operates the nuclear plant in kashiwazaki, says the level of radiation in water that leaked into the sea of japan was one - and - a - half times higher than initially estimated

    經營柏崎核電廠的東京電力公司說，流入日本海的水所含的放射性比最初估計的高1 . 5倍。
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