場電離源 的英文怎麼說

中文拼音 [chǎngdiànlíyuán]
場電離源 英文
field ionization source;fi source
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 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...
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  1. Characteristics of rf ion source electromagnetic field

    型放電離子源的場特性
  2. During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent

    離子源工作時，放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離，形成等離子體。 50多年來，關于高頻離子源的研究報告很多，但是，這些研究主要都集中在應用研究方面，有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。
  3. Manual emergency function : when there is a failure in the power supply or the electric control system, the boarding bridge can be disconnected from the aircraft with a manually operated pump to ensure the normal order of the airport operation

    手動應急功能：當電源中斷或電控系統故障時，可用手搖泵將登機橋撤離飛機，保證機場正常運營。
  4. Distribution of electromagnet field in the space of h - type rf ion source is worked out derivation from maxwell equations, and three - dimensional vector graphs of e and b in the space of rf ion source are calculated and plotted by mafia software

    並採用mafia軟體進行了三維實體建模，計算了高頻離子源放電擊穿前和穩定工作后的電磁場分佈，得到了高頻離子源放電空間電磁場分佈的直觀圖像。
  5. The paper establishes mathematics model of electromagnetic heating system of eddy current field and temperature field, and gives corresponding discrete format with elements as eight nodes, hexahedron equal cell, through calculating eddy - current field to gain the internal heat source that the temperature field needed, to use discrete method to solve the problem of induction - heating part ' s temperature field by axial symmetrical electromagnetic, and then to analyze the characteristic of instantaneous temperature field

    本文建立了電磁加熱系統的渦流場和溫度場間接耦合的數學模型，分析了不同頻率下渦流和溫度的分佈情況，並以八節點六面體等參元為例給出了渦流場對應的離散格式，通過計算渦流場獲得溫度場所需要的內熱源強度，加熱部件的溫度場以軸對稱格式進行離散求解，並對瞬態溫度場有限單元法的求解特點進行了分析。
  6. The conclusion that ez is more important during the breakdown of rf ion source is made out by comparing ez and e 6 before breakdown, and then, the breakdown criterion of rf ion source is deduced, and the relation between breakdown voltage and pressure is analyzed too

    通過比較擊穿前高頻電場的軸向和幅向分量，得出了軸向電場在高頻離子源擊穿中起主要作用的結論，並進而推導出了高頻離子源的擊穿判據，得出了氣體擊穿時離子源擊穿電壓和放電管內氣壓的關系。
  7. We hope that an saving energy culture will take root on our campus and everyone will remember to turn off the lights, air - conditioning and all idle electrical devices when they leave a room

    我們希望節約能源成為中大的校園文化，大家離開辦公室、課室、宿舍和其他室內場所時，都會記得把電燈、空調和耗電的閑置設施關上。
  8. In addition, in case of a power failure the trolley bus driver could simply lower the booms and drive the bus using the electrical power generated by his on - board, diesel apu

    另外，倘若途中電源中斷，車長只須按掣將電桿離纜，再開啟柴油的輔助引擎，便可駛離現場。
  9. This paper has reviewed the resources of ceo2 in our country, the markets and the condition of application. the advantages and drawbacks of the important preparation methods were reviewed. it puts emphasis on the reaction mechanism of precipitation method to nanoparticals and analyzes redox potential between ce3 + and ce4 +, puts forward a new technics named " a two - stage precipitation process " to succeed in obtaining nanocrystalline powers of cerium oxide

    本文簡要介紹了我國ceo _ 2的資源和市場以及國內外納米ceo _ 2的應用現狀：分析對比了納米ceo _ 2制備研究現狀；重點討論了沉澱法制備納米粉體的理論基礎：結合鈰（ ）離子、鈰（ ）離子的氧化?還原電位分析，提出以兩步沉澱法來制備納米二氧化鈰。
  10. Current voltage isolated conversion module is a kind of miniaturization insert type construction conversion module, between its supply power input signal and output signal are isolated each other, its input ac voltage or ac current can be transformed into ma or v standard signal output. it has accuracy high, linearity good, debug simple, work stable and reliable and so on features, apply to electricity parameter display, record and monitor of the dcs system fields

    電流電壓隔離轉換模塊是一種小型化插裝式結構的轉換模塊，其具有工作電源輸入信號輸出信號三者相互隔離，能將輸入的交流電壓或交流電流轉換成420 ma或15 v標準信號輸出，具有精度高，線性好，調試簡單工作穩定可靠等特點，適用於電量參數的顯示記錄dcs系統的監控等場合。
  11. There are a few basic elements to a mass spectrometer : an inlet to introduce the sample gas into the vacuum of the mass spectrometer, an ion source to convert the sample gas molecules into positively charged ions, a mass filter to separate the ions using magnetic or electric fields and a detector that quantifies the amounts of ions at different masses

    質譜儀的幾個基本組成部分：將樣品引入質譜儀的進樣系統，將氣體分子轉變為正離子的離子源，使用磁場或電場分離離子的質量分析器，對不同質量數離子定量的檢測系統。
  12. The gas sources that we used are trimethylgallium ( tmg ) and 99. 9999 % purity nitrogen, which were fed into reaction chamber and resonance cavity respectively. the highly dense ecr plasma up to 1011cm - 3 was created in the resonance cavity and introduced to the next reaction chamber by the force of divergent magnetic field. consequently, gan thin film was grew on the substrate sapphire ( 0001 ) placed in the downstream

    實驗採用有機金屬三甲基鎵氣源（ tmg ）和99 . 9999純度的氮氣，在ecr - pecvd150裝置共振腔內電子迴旋共振吸收微波能量產生的高密度ecr等離子體在磁場梯度和等離子體密度梯度的作用下向下級反應室擴散，在放置於下游區樣品臺上的- al _ 2o _ 3襯底表面附近發生物理化學反應沉積成gan薄膜。
  13. Their input and output lines should be decoupled at all frequencies, they should be shielded to prevent external electric and magnetic fields from causing interference, and they should be sited as far as possible from sensitive circuits so that residual electric and magnetic fields are prevented by distance from doing serious damage

    開關電源的輸入輸出線必須進行全頻段去耦處理；要藉助屏蔽手段抑制電、磁干擾；開關電源要盡可能遠離小信號電路，確保其電磁場對模擬電路影響最低。
  14. In the far field, the farther the distance, the similar and less distance dependent of the image and radiation pattern of electric and magnetic field, the similar the image of electromagnetic field to the fourier transform of the source current distribution, the less distance dependent of the radiation pattern

    在越遠之遠場中，電場與磁場之影像及場型越相似，距離越遠差異越小，電磁場之影像越近似於電流源分佈之富氏轉換。
  15. 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。
  16. The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out

    在求解過程中，假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成，首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場：以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域，由於場源放置在內邊界面上，使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程，利用分離變量法求解，根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數，從而得到各場區矢量磁位的表達式。
  17. By adopting appropriate transformation, this paper transform the heat conduction equation with internal heat source into a non - source heat conduction equation, and then solve the problem successfully by the method of separation of variables

    其關鍵方法是：通過將電場量引入溫度場方程，作適當變換，把含內熱源的熱傳導方程轉化為不含內熱源的熱傳導方程，然後採用分離變量法進行求解。
  18. The maximum output of ion beam current is obtained at a charging voltage of 8 kv for the magnetic field power system, which is in accordance with the theory of magnetic insulation. the ion beam parameters are an accelerating voltage of 300 kv, an ion current density of 300 a / cm2 with beam pu lse width of 80 ns and with composition of 70 % proton and 30 % carbon ions

    在磁場電源電壓為8kv ，獲得了與磁絕緣理論相符的最大離子束流密度輸出，離子束參數為：加速電壓300kv ，離子束流密度300a cm ~ 2 ，離子束脈沖寬度80ns ，成分約為70 h離子和30 c離子。
  19. Field ionization source ; fi source

    場電離源
  20. In the near field, the image and radiation pattern of electric and magnetic field are different and varies with distance, the image of electric field is similar to the charge distribution of the source while the image of magnetic field is similar to the source current distribution

    在越近之近場中，電場與磁場影像及場型各不相同，距離越近差異越大，電場之影像越近似於電流源之電荷分佈，磁場之影像則越近似於電流源之電流分佈。
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