無理磁面 的英文怎麼說

中文拼音 [wúlǐcímiàn]
無理磁面 英文
irrational magnetic surface
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 無理 : unreasonable; unjustifiable
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. Ams is a sino - foreign joint venture specialized on the investment and management of medical equipments. after long - term ceaseless effort, we have successfully constructed constructed the biggest national woundless medical service network, which has more than 40 clinics and therapeutic centers. these center now include head gamma knife center, whole - body gamma knife center epilepsy diagnosis center, radiotherapy center and thermotherapy center. after ten years efficient administration and management, ams has already won outstanding reputation and wide influence in the field of chinese medical territory. we will gradually extend our investment scale and management scale, to provide medical service for multitude medical institutions and patients with a brand new visage

    經過多年來的不懈努力，已成功地構築起國內最大的無創傷醫療服務網路，擁有近40個診斷治療治療專科醫院，包括頭部伽瑪刀治療專科體部伽瑪刀專科癲癇診斷治療專科核磁共振診斷中心放療專科熱療專科。通過十年來卓有成效的經營管理，傲華公司在中國醫療領域贏得了良好的聲譽，並形成廣泛的影響，公司將逐步擴大投資經營規模，以全新的面貌為廣大患者提供醫療服務。
  3. 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。
  4. The paper has done all - around study on the ac excited of variable - speed constant - frequency ( vscf ) wind power generation. the author has done thorough study on the vscf wind power generation technology using wound - rotor doubly - fed induction generator, from simulation to experiment, from theory to practice. he also did at large theory analysis to the vscf wind power generation technology using cascaded brushless doubly - fed generator, and has established stability theoretical foundation for continue study work

    本文對交流勵磁變速恆頻風力發電領域的關鍵技術進行了較為全面的從模擬到實驗、從理論到實踐的深入研究，同時對具有廣泛潛在應用前景的級聯式無刷雙饋發電機變速恆頻風力發電技術也進行了洋盡地理論分析，為今後進一步的深入研究奠定了一定的理論基礎。
  5. Wireless induction communication method is based on electromagnetic induction principle, using the electromagnetic coupling to transmit data between the train and ground. this communication system can cover a long rail and it is easy to maintain and fix

    無線感應通信是基於電磁感應原理，利用電磁耦合完成車輛與地面雙向數據傳輸的一種通信方式，具有傳輸損耗小、覆蓋線路長、架設方便、易於維護等優點。
  6. Ftam supports file operation from different systems, that means ftam has nothing to do with the system on file transfer and file treatment. second : disk array is introduced to tfft. the scsi interface is modified to satisfy the requirement of ewsd

    Ftam信息模式是基於虛文件和虛文件存儲器的概念，支持不同系統之間的文件操作，即ftam在文件的傳送和處理方面有著與系統無關的特性；引進磁盤陣列技術，修改scsi介面，以適應ewsd交換機的要求；參照q3介面協議編寫出上層的網路管理軟體系統，實現tmn定義的文件傳送方面的功能。
  7. With non - destructive testing technique ( ndt tech ), such as sound wave, electromagnetic and laser scanning, and at the same time, from the prevention - treatment ideas of tunnel health as the springboard, the healing technique is developed with pertinence to leakage and crack damage of the underground engineering supporting structure, and it has important practical value to guide the engineering practice

    結合目前主要的聲波、電磁波和激光掃面等無損檢測技術，從隨道健康的防治理念出發，開發了針對地下支護結構滲漏與裂損的康復技術，對指導工程實踐具有重要的實用價值。
  8. Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed

    人們認為，超導體在電力方面出現大規模應用的時間距離我們還非常遙遠.然而，隨著最近幾年來實用高溫超導材料的研製取得重大的進展，高溫超導電力技術的應用已經成為現實，預期將在2010年左右出現大規模的應用，並將帶來電力工業的革命.因此，下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快，電能需求量增加十分迅速，對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要，超導電力技術是實現我國電力發展目標的必由之路.文章有代表性地介紹了超導電纜、超導限流器、超導磁儲能系統、超導變壓器和超導旋轉電機等的基本工作原理及研究發展歷史，並著重介紹高溫超導電力應用研究的現狀、應用前景、經濟可行性及基本物理問題
  9. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  10. The metal magnetic memory testing is a new technology which is special diagnose ferromagnetism materials with applied stress in earlier, and is belong to electromagnetic non - destructive testing ( ndt ). so the fundamental theory of ferromagnetics and the mechanics property and the electromagnetism property of metal is the theoretical foundation, some knowledge connected to them are summarized in this dissertation

    磁記憶無損檢測技術是專門針對受力鐵磁性材料實施早期診斷的新型無損檢測技術，其檢測的范疇還是屬于電磁方法檢測，因此有關鐵磁學的基本理論、金屬的力學特性以及電磁特性等是研究磁記憶無損檢測的理論基礎，本論文針對有關這方面的一些基本知識作了簡要的總結。
  11. This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system, and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments. by combining the two sensors to form a synchronous system, the task of harmonic analysis, phase demodulation, power and wattless power computation is accomplished, which helps to monitor and control the electric power system

    本文詳細論述了電力系統高壓電網電參量的光學測量的一種實現方法，從理論和實驗兩方面研究了基於farady磁光效應的光纖電流傳感器及基於led線性電光轉換特性的光纖電壓傳感器，並聯合兩種傳感器形成了電壓、電流的同步測量系統，實現了諧波分析、鑒相及有功、無功功率的計算，可對電能質量進行監控。
  12. The general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  13. A polarimetric sar combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, and is thus playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers for application in both civil and military areas

    極化合成孔徑雷達（ sar ）具有可以測量場景中每個分辨單元的全極化散射矩陣以及產生二維高分辨力圖像的兩大優點，因此無論在民用和軍用的採集地表或地面覆蓋物的物理和電磁結構信息的應用中起著越來越重要的作用。
  14. Abstract : the general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    文摘:簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  15. So it is necessary to reflect the inner reality physical field ' s numerical number analogy method to analysis and improve the magnetic field and the computing accuracy of the cable ' s eddy - current detection. Ｔ his affords helping for the researching of biased cable instrument in the future. first open domain electric magnetic problem ' s breaking method is done with, which supposing fictitious boundary far away from the region. second breaking the infinite region into the finite region and supposing the electric magnetic is too small to be ignored

    通過採用目前處理開域電磁場問題的截斷法，人為地設定一個遠離待求區域的虛擬邊界，將無限區域截斷為有限區域，且認為在該邊界外面的電磁場已衰減得足夠小，小到可以忽略不計，從而令邊界上的電磁場場量為零，在此有限區域內採用較為成熟的Ａ ， Ａ法，並且併入庫侖規范建立數學模型。
  16. The superconducting magnetically levitated vehicle is simplified as an infinite - long system whose cross section is considered. a model based on the method proposed by l. prigozhin is built to describe the force the superconductor may experience when moving above the guideway

    在理論計算方面，首先對現有高溫超導磁懸浮實驗車系統進行了簡化，將實際的三維系統簡化為無限長直均勻系統，因此僅需分析該系統任一二維截面即可。
  17. Electromagnetic compatibility and radio spectrum matters - vhf air - ground digital link mode 2 - technical characteristics and methods of measurement for ground - based equipment - part 1 : physical layer and mac sub - layer v1. 2. 1

    電磁兼容性和無線電頻譜情況. vhf地空數字鏈接模式2 .地面設備的技術特點和測量方法.第1部分:物理層和mac子層
  18. But present preparing methods are difficult to make nanoparticls array ordered. moreover, they usually require severe preparing condition. the paper presents a new preparation method of such film by in - situ chemical transformation with film phase permeation

    目前，制備有機-無機磁性納米復合膜是獲得具有良好力學性能和獨特物理化學性質的磁性聚合物膜的有效途徑，但現有的制備方法在促使納米粒子的有序排列和簡化制備條件等方面有所不足。
  19. The work in this thesis focuses mainly on the basic theory of bearingless motors, magnetic levitation forces and their decoupled control with electromagnetic torque as well as air gap dynamic detection. three parts are included

    圍繞磁懸浮無軸承血泵電機的基本原理、磁懸浮力產生及其與電磁轉矩的電磁解耦機理和轉子位置的動態檢測等方面，本文主要開展了如下的研究工作。
  20. The principle of the maglev train is quite different from the tranditinal train. because there is no michanical friction between the train and the rail, the communication via the loop of rail and wheels is unable to use

    磁浮列車在工作原理和運行方式等方面不同於傳統的輪軌列車，車輛和軌道沒有機械接觸，無法由車輪和導軌組成迴路來完成數據通信。
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