電子加速電壓 的英文怎麼說

中文拼音 [diànzijiāsùdiànyā]
電子加速電壓 英文
electron accelarating voltage
  • 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 壓 : 壓構詞成分。
  • 電子 : [物理學] [電學] electron
  • 電壓 : voltage; electric tension; electric voltage
  1. Analysis of the charge process for reb accelerator with tesla transformer

    變壓器型強流電子加速器充電理論分析
  2. ( 2 ) aiming at the requirement of safe storage of the electronic documents on the information integrated platform in manufacturing enterprise, using encryption / decryption and compression / uncompression techniques and saving the electronic documents as some special attribute object of large database and managing the enterprise electronic documents effectively through database, a safe access mechanism of functional grant < wp = 7 > and recommendatory grant to decrease grant management maintenance cost is proposed and the storage mechanism of special database attribute object is studied and the method for saving, accessing and retrieving electronic document quickly is constructed. thus these methods can make the electronic documents of information integrated platform in manufacturing enterprises get safe, reliable and quick access. ( 3 ) according to this circumstance in which web pages are selected as the user interface of manufacturing application system, the safe measures of access control over web page resources are provided

    （ 2 ）針對製造企業信息集成平臺中電子文檔安全存儲要求，採用加密和壓縮技術，將電子文檔作為大型數據庫中某種特殊屬性對象來存儲，以數據庫方式對企業電子文檔進行集成的、統一的管理，提出一種訪問控制的增強型安全設計原則，基於此原則建立了管理授權和推薦式授權的安全訪問機制，用以提高系統的訪問安全性，並大大減少授權管理維護量；研究了特殊屬性對象的數據庫存儲機理，從而構造一種快速存儲、訪問和檢索電子文檔的方法，使得企業信息集成平臺的電子文檔獲得安全、可靠、快速的訪問。
  3. Tesla - transformer - type electron beam accelerator

    變壓器型電子束加速器初步實驗
  4. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  5. In the thesis, most advanced, relative, foreign high - tech has been pursued. feasibility analysis has n ' t been carried out by synthesizing much relative knowledge such as electromagnetism theory, plasma technology, aerodynamics, electronic technology etc until the scheme is confirmed, that is, a uniform, one atmosphere, controllable, glow - charge surface plasma can be generated and flow can be accelerated by changing electric field

    本文追蹤目前國外最先進的技術，綜合電磁理論、等離子體技術、空氣動力學、電子技術等相關知識進行可行性分析，確定了研究方案，即利用電流體力學（ ehd ）方法在一個大氣壓下產生高效、均勻、可控的射頻輝光等離子體，同時，通過改變電場促使流動加速。
  6. The process parameters of electric upsetting include : velocities of upsetting cylinder and anvil cylinder, heating current, preheating length and time, etc. because different materials have different mechanical, electric and thermal characteristics, and there are effects between different parameters, the determination of those parameters becomes a complex problem

    電熱鐓粗成形過程的工藝參數主要包括鐓粗缸活塞運動速度、砧子缸活塞運動速度、鐓粗壓力、加熱電流和預熱長度等。這些參數的選擇是一個復雜的問題，其復雜性不僅在於不同的材料具有不同的力學、電和熱傳導特性，而且各參數相互影響、相互制約。
  7. It is made of computer network, plc, and new field bus - profibus, the new control system has been debugged successfully, it ( has collect the signals from the 4mv high voltage terminal through the way of infrared and optical fibres, it ends the history that the 4mv high voltage terminal is a black box

    由控制微機，可編程式控制制器和新的工業現場總線? ? profibus組成的加速器控制系統已經調試成功，它把高壓端的信號成功地通過紅外線和光纖通路採集到微機，結束了傳統靜電離子加速器高壓端是個黑匣子的局面。
  8. The frequency and mode of the generated microwave are very pure. these results can provide a possible method for constructing a compact high - power microwave device. in addition, a virtual cathode oscillator with an axially extracted te11 mode based on the spark05 accelerator in our laboratory has also been investigated using the pic simulation code

    基於spark05加速器電子束參數設計的軸向提取te11模虛陰極振蕩器，利用類似的設計思想，通過改變電壓的饋入方式和陰陽極結構，實現了中心陰極負脈沖電壓的激勵，同樣獲得了較好的粒子模擬優化結果。
  9. The work part of the micro - ppt is less than 200g, and less than 5mm in diameter. high isp and high efficiency are acquired because of the efficient coaxial discharge characteristic and higher discharge voltage than the standard ppt

    該推進器的基本原理是通過真空中對工質的高壓放電使工質電離為等離子體，等離子體在電磁場的作用下加速排出形成推力。
  10. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異步電機相同，其定子側接電網，轉子上採用三相對稱分佈的勵磁繞組，由變頻器提供對稱交流電勵磁，且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制，從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速，使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力，性能超越傳統同步發電機和感應發電機，因而有著廣闊的應用前景。
  11. Ion accelerating voltage

    離子加速電壓
  12. Investigators concluded decades ago that the generation of a voltage driving a simple, single current could not heat the solar atmosphere quickly enough or produce a flux of accelerated particles that is sufficient to make a flare

    研究人員數十年前的結論認為，單單由電壓驅動電流，無法很快加熱太陽大氣，或產生足以形成日焰的加速粒子流量。
  13. In the hipib strengthening experiments, samples of high - speed steel ( w6mo5cr4v2 ) were irradiated by abstract hipib ( cn + = 30 %, h + = 70 %, ion energy 250 kev, ion current density 60 - 180a / cm2, pulse duration 80 - 100 ns ). microstructure investigation and properties characterization of the treated hss samples were carried out to investigate the effect of current density and pulse number of incident hipib on the surface modification treatment. the physical mechanism of the hipib - solid interaction was established based on the experiments

    在hipib轟擊材料表面方面，本文選擇成分由c ~ （ n + ） （ 30 ）和h ~ + （ 70 ）組成、加速電壓為250kv 、脈沖寬度為80 100ns的hipib對高速鋼（ w6mo5cr4v2 ）進行表面輻照處理，研究離子束流密度和脈沖次數對高速鋼微觀結構和宏觀性能的影響，探討了hipib與材料表面相互作用的物理機制。
  14. At last, we use many different ways to improve the key factor base on the analysis result. we should improve the counter service quality at three aspects : add the investment on the electronic bank to lighten the pressure of counter service ; add service facility to improve the tangible and reliable of bank counter service ; through training to improve the employee service level. the three ways can help bank to improve the counter service quality as soon as possible

    最後，根據以上的評價結果以及主成分分析結果，找到決定臨櫃服務質量的關鍵因素，針對關鍵因素制定不同的管理對策，從以下三方面提出了服務質量的改進方法:一是通過加強電子銀行的應用，減輕臨櫃服務壓力，加快業務處理速度;二是通過改進和增加銀行的有形設施，提高服務的有形性和可靠性;三是通過提高業務人員的服務表現力和提供附加服務的能力，改善業務人員的服務水平。
  15. However, the most commonly used x - ray sources didn " t change much no matter in structure or theory, still using thermionic cathodes as electron sources. such conventional x - ray tubes have some defaults, such as big volume, low frequency response, demanding for supply to cathode that was also brittle

    目前使用的x光源的基本特點是採用熱電子發射形式即採用熱燈絲作為電子發射源，在高壓加速下轟擊陽極產生x射線，這樣的光源體積較大，需要加熱陰極的電源，且對頻率響應慢。
  16. Welding - acceptance inspection of electron beam welding machines - measurement of accelerating voltage characteristics

    焊接.電子束焊接機的驗收檢驗.加速電壓特性測量
  17. The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization

    而傳統的無速度傳感器雙饋調速矢量控制系統，由於採用磁鏈定向方法，在同步速附近存在較大的工作死區，針對上述問題，本文做了如下的研究工作：本文從雙饋電機的數學模型出發，根據矢量控制的基本原理，提出了一種轉子側功率因數為1的雙饋電機矢量控制方案的設想，即在雙饋調速時採用轉子電流定向的方法，並控制外加轉子電壓與轉子電流始終反相，以保持了轉子電流與轉子磁鏈矢量垂直，通過控制轉子電流的大小來達到控制電機電磁轉矩的要求。
  18. The power circuit of the system adopts the voltage frequency conversion structure of ac - dc - ac, and is composed of the commutation circuit, filter circuit and intelligence power module ( pm15rsh120 ). control circuit takes the dsp chip tms320lf2407 as core, including the pwm signal occurrence circuit, detect circuit of stator current and direct current voltage of generatrix, drive circuit of intelligence power module, detect circuit of speed, protect circuit of system etc. all of this builds the full digital vector control system of asynchronous motor

    該系統的功率電路採用電壓型的交-直-交變壓變頻結構，由整流電路、濾波電路及智能功率模塊ipm （ pm15rsh120 ）逆變電路構成;控制電路以dsp晶元tms320lf2407為核心，加上pwm信號發生電路、定子電流檢測電路、直流母線電壓檢測電路、智能功率模塊驅動電路、速度檢測電路、系統保護電路等，構成了功能齊全的異步電機全數字化矢量控制系統。
  19. Traditional direct torque control uses two value torque regulator which makes zero voltage vector work long and make flux shape bad seriously and makes response time long when the speed of induction motor is very low or drops down quickly. in order to solve this problem the thesis puts forward a new way to use three - value torque regulator, when the motor speed is very low or drops down quickly, the contrary voltage vector is used instead of zero voltage vector and the between the stator flux and rotor flux is reduced quickly so that torque is reduced quickly and response time becomes shorter

    為此，本論文提出三點式轉矩調節，這樣當電機低速運轉或給定轉速突降時，不是加零電壓矢量，而是加反方向的電壓矢量，使定子磁鏈與轉子磁鏈之間的夾角迅速減小，從而使電磁轉矩也迅速減小，大大減小了調速時間，同時磁鏈值仍然保持基本恆定，輸出比較穩定的電磁轉矩，這在電機制動過程中非常有用。
  20. Since the electronic products renew very often and competition of industry become increasingly vigorous, the electronic element firms as the assembly plants " suppliers are comfronted by the pressure of persistant cost reduction, while the life cycle of electronic element also get shortened

    隨著電子技術的日新月異、電子產品更新換代迅速、行業競爭日趨激烈，給為之配套的上游電子元器件企業帶來了產品生命周期縮短、持續降低成本的壓力加大的影響。
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