高頻離子源 的英文怎麼說

中文拼音 [gāobīnlíziyuán]
高頻離子源 英文
radio frequency ion source
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 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...
  • 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
  • 高頻 : high frequency
  • 離子 : [物理學] ion
  1. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  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. Three typical ion source, radio - frequency ion source, duoplasmatron ion source and penning ion source, are usually used in neutron generator

    在通過d - t反應產生中子的低能倍壓加速器中，一般採用三種類型的離子源：高頻離子源（ rf ） 、潘寧離子源（ pig ）和雙等離子體離子源（ dp ） 。
  4. Construction of electrostatic accelerator rf ion source

    用於靜電加速器的高頻離子源的設計和調試
  5. ( 4 ) chapter vi. the theory of ion curren extraction of rf ion source is investigated, the reason of emission surface formation and its effect on ion curren extraction are reasearched emphatically

    （ 4 ）對高頻離子源的束流引出原理作了理論推導和分析，著重研究了發射面的形成及其對引出束流特性的影響。
  6. Finally, the characteristics of ion curren extraction in different conditions are simulationed with magic software, and the parameter of best emission surface is obtained

    最後，採用magic程序對高頻離子源不同引出參數下的束流引出特性進行了數值模擬，得到了獲得最佳的引出離子束所要求的等離子體發射面參數。
  7. 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。
  8. In the process of maintaining and upgrading 8410 icp direct reading spectrometer, maintaining and adjusting of - 145 v switching power supply of icp high frequency generator are often required

    摘要在維修和改造8410型電感耦合等離子體直讀光譜儀過程中，經常需要對icp高頻發生器中的開關電源進行維修和調整。
  9. ( 3 ) chapter v. plasma characteristics of rf ion source is investigated. a zero - dimensional numerical dynamic colisional radiative atomic and molecular ( cram ) model is suggested to simulate the microphysical process. all species " population number densities in plasma are calculated in non - thermodynamics equilibrium condition, and proton content in extracted ion current are measured with 60 ? magnetic analyzer

    （ 3 ）提出了高頻離子源等離子體的零維cram模型（ collisionalradiativeatomicandmolecularmodel ） ，計算了非平衡態（ nte ）下等離子體中分子、電子、離子、基態原子、激發態原子等粒子濃度，並在zf - 200kev中子發生器上，用60磁分析器實驗測定了引出束流的質子比。
  10. 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。
  11. Among of them, radio - frequency ion source is in most wide used for the reasons of its high proton content, long life and reliable performance, etc. h - type radio - frequency ion source is a kind of plasma ion source

    其中，高頻離子源以其很高的質子比（ 70 - 90 ） 、長壽命和可靠的性能而得到了最廣泛的應用。高頻h型放電離子源屬于等離子體離子源。
  12. Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform

    實驗採用絕對定標后的光學多道分析系統（ oma ）測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線（ = 656 . 28 ， 486 . 13 ， 434 . 05nm ）的強度，並採用plte的理論和abel變換方法，計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況，並進行了簡要分析。
  13. All guest rooms are equipped with advanced locking systems, an integrated power supply, sound proof doors and a personal security alert button in the bathroom. individual controls for the heating and cooling system, international satellite television channels, idd telephone system with bathroom extension, hair dryer, large bath, shower cubicle, mini bar, electric kettle, complimentary tea and coffee, electronic safe, large desk and high speed internet access are standard

    所有客房均配置高級安全門鎖房間電源指示燈房門隔音條洗手間sos安全報警系統獨立控制的冷暖空調設備國際衛星頻道國際直撥電話浴室電話分機風筒大型浴缸及分離式淋浴間迷你吧電熱水器及客房免費咖啡茶電子保險箱大型書桌，並提供10m光纖高速的電腦上網設備。
  14. The approach extends the parallel factor ( parafac ) analysis model from the common data - domain and subspace multiple invariance sensor array ( mi - sap ) formulations to the cumulant one, and forms three - way arrays by using the cumulant matrices got from array outputs, and analyzes the uniqueness of low - rank decomposition of the three - way arrays, then jointly estimates the ranges, frequencies and doas from the matrices via low - rank decomposition

    該演算法將通常在數據和子空間域應用的平行因子分析模型擴展至高階累積量域，利用陣元輸出計算的高階累積量矩陣構造三面陣，分析了該三面陣低秩分解的唯一性，並從分解得到的多個矩陣中聯合估計信源距離、頻率及到達角。
  15. In order to otain high quality zno thin films, we, for the first time, employ the plasma enhanced chemical vapor deposition ( pecvd ) to prepare high quality zno thin film at low temperature using a zinc organic source ( zn ( c2h5 ) 2 ) and carbon dioxide ( co2 ) gas mixtures. the effects of the growing condiction and the native oxide layer of si substrate on the quality of zno thin films was studied in detail. to prepare p - zno and overcome the dufficulty of reverse due to the interaction between the n atomic, we obtain high qulaity p - zno by a easy way of thermal zn3n2

    為了在低溫下制備高質量的氧化鋅薄膜，我們採用金屬有機源和二氧化碳氣源，首次利用等離子體增強化學氣相沉積的技術在低溫下制備了高質量的氧化鋅薄膜，系統地研究了生長條件以及襯底表面氧化層對薄膜質量的影響，確定了生長高質量氧化鋅薄膜的優化條件；為獲得p - zno材料，克服在zno中摻n雜質間相互作用影響摻雜效率不易獲得p - zno的困難，我們通過熱氧化zn3n2的方法制備了p - zno ，獲得了一系列研究結果： 1 、詳細研究了氣體流速比，襯底溫度和射頻功率實驗參數對氧化鋅薄膜特性的影響。
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