超電勢的 的英文怎麼說
中文拼音 [chāodiànshìde]
超電勢的
英文
superpotential-
Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence
基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。Power - frequency electric field of ehv transmission lines under condition of complex landscape
復雜地勢下超高壓輸電線路的工頻電場It has been proved that the cnt has good characteristic on the field emission. at the same time, people have noticed that the nanosized diamond has a low nea
碳納米管已經被證實具有良好的場發射特性，而金剛石超微粉也具有負電親和勢低的特點。With the rapid development of the semiconductor technology, large of the vacuum electronic device has replaced by the semiconductor element from the middle period of the last century. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and wide frequency band and high power field, especially in the exceed - high power field. the complexion won ’ t be changed for a long period
自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被半導體器件取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。From the middle - later period of the last century, with the rapid development of the semiconductor technology, large of the vacuum electronic device was replaced by the semiconductor element. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and high power field. this complexion won ’ t be changed for a long period
自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被其取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。Strained - soi mosfet, which appears recently, takes both the advantages of soi ( silicon on insulator ) and sige ( silicon germanium ). it has shown advantages over bulk sample in enhanced carriers mobility, as well as higher transconductance, stronger drive capability and reduced parasitic capacitances. these properties make it a promising candidate for improving the performance of microelectronics devices
Strained - soimosfet是最近幾年才出現的新型器件，它將soi材料和sige材料結合在一起，與傳統體硅器件相比，表現出載流子遷移率高、電流驅動能力強、跨導大、寄生效應小等優勢，特別適用於高性能、高速度、低功耗超大規模集成電路。Secondly, the effects of the crest width of the back - emf waveform to the torque ripple in the 120 ? conduction mode are analyzed, among which the effects of the advance commutation angle to the torque ripple are quantificationally analyzed for the bldcm drives whose back - emf waveform crest width is less than 120 ?,
其次分析了120導通方式下反電動勢平頂寬度對轉矩脈動的影響，對于平頂寬度小於120電角的非理想梯形波反電動勢，定量分析了換相超前角對換相轉矩脈動的影響。For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions
針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。With the advance of semiconductor manufacturing, circuits with increasingly higher speed are being integrated at an increasingly higher density, which makes analysis and verification of power grid integrity more important. power grid integrity includes four issues, namely, ir drop analysis, ground bounce analysis, ldi / dt from the pin inductance and em analysis
隨著超大規模集成電路集成度和工作頻率的不斷提高，電源網格完整性分析變得越來越重要，一般有四個關鍵問題： ir電壓降分析、接地點電勢上升（ groundbounce ）分析、來自引腳電感的ldi / dt分析和電子遷移率em分析。Cixi city chaosheng electronics factory is a professional manufacturer that independently deals with dynamic microphone cartridge, it lies by the beautiful and rich hang zhou bay, where the location is superior and the traffic is convenient
慈溪市超聲電子廠是一家獨立經營的動圈式麥克風音頭（咪芯）專業生產廠家，工廠位於美麗富饒的杭州彎畔，地勢優越，交通便利。Electrical safety in low voltage distribution systems up to 1000 v a. c. and 1500 v d. c. equipment for testing, measuring or monitoring of protective measures - resistance of earth connection and equipotential bonding
不超過交流1000v和直流1500v的低壓配電系統電氣安全性.防護測試測量或監測設備.接地和等勢屏蔽接地阻抗Besides, scan rate and cycle period also affect the result ; co - deposition of dualistic oxide is a focus of research, as an element in the same group, ir is selected. deposition rate of composition is decreased by the adding of ir composition, and when the proportion of ir exceeded 50 %, composition procession can be ceased. but cooperation of ir and ru oxide can highly increase the specific capacitance of active material ; annealing treatment under a certain temperature can help to change the hydrate ru composition into mixture state ru oxide, accordingly increase the stabilization of active material
研究表明:電解液的配製過程中，氯化釕濃度、溶液ph值、陳化時間、溶液溫度對電鍍效果均有影響，其中溶液ph值是最主要的影響因素;在儀器的使用條件探索中，理論結合實驗確定了本電鍍液體系循環伏安電勢窗的理想范圍，並發現循環伏安掃描速度和掃描周期對電鍍結果也有較大影響;混合氧化物的共沉澱是目前研究熱點，在此選用與釕同一族的銥作為共沉澱元素，銥的加入會阻礙氧化物的沉積速度，銥的比例超過50 %會使沉積作用停止，但是二元氧化物的協同作用使沉積的活性物質比容量大大提高;一定溫度下退火后處理作用會使水合釕化物轉變成混合價態的氧化釕，從而提高活性物質的穩定性。The main research aspects are as follows : the method of ac transport losses measurement in ac applied magnetic field was investigated. upon the analysis of ac loss measurement, a method to measure ac transport losses in ac applied field was proposed by use of double " 8 " shape coils. a programme controlled system was set up to measure ac losses of hts tapes and coils, which can ensure the experiment data needed by theoretical analysis and verification
主要包括：在實驗方面，探討了交流背景磁場下高溫超導帶材的交流傳輸損耗的測量問題，通過對交流損耗測量的理論分析，提出了採用雙「 8 」字形電勢引線測量交流背景磁場下高溫超導帶材交流傳輸損耗的方法；建立了超導帶材短樣及線圈交流損耗的電測量系統；從而為交流損耗的研究提供實驗數據與理論檢驗標準。The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation
摘要用鏡象電流法和分離變量法計算了線電流與無限長磁介質圓柱系統的磁矢勢，指出線電流與無限大磁介質分界平面、線電流與超導體圓柱、均勻外磁場中有磁介質圓柱系統時的磁矢勢都可以由線電流與磁介質圓柱系統的磁矢勢的極限情形給出。" for his theoretical predictions of the properties of a supercurrent through a tunnel barrier, in particular those phenomena which are generally known as the josephson effects
提出並發現通過隧道勢壘的超電流的性質，即約瑟夫森效應On the theoretical plane, the paper argues that electronic commerce is the prerequisite for the achievement of the chain operation benefit of supermarket ; on the realistic place, it introduces the employment of electronic commerce in the usa ' s wal - mart, japan ' s 7 - 11 and kmart, and beijing ' s fuxing trading center. on one hand, the paper illustrates the importance of electronic commerce to chain supermarkets from both the positive and negative aspects ; on the other hand, it analyses the employment modes of electronic commerce in the chain supermarkets in both china and some foreign countries, and deplores the modes of electronic commerce suited china ' s situation ; in the third part, it puts forward three employment modes of electronic commerce for china ' s chain supermarkets, namely, business to business ( b to b ), enterprise intranet ( intranet ) and business to customer ( b to c )
文章在理論方面論述了電子商務是實現超市連鎖經營優勢的必要條件；在實踐應用方面通過介紹美國沃爾瑪、日本7 - 11 、凱瑪特以及我國北京復興商業城電子商務的應用，一方面從正反兩面說明電子商務對連鎖超市的重要性，另一方面對國內外連鎖超市的電子商務應用模式加以分析比較，探索適合我國國情的電子商務模式；本文的第三部分提出我國連鎖超市電子商務的企業對企業（ btob ） 、企業內部網（ intranet ）和企業對消費者（ btoc ）三種模式。The traditional large plants do have the advantage of economy of scale, most likely resulting in lower cost per kilowatt of capacity, but this edge could be challenged if efficient factory - style production of large numbers of modules could be implemented
傳統的大核電廠在經濟規模上有其優勢，其每1000瓦電力的成本想必比較低，但是如果能夠有效率的制式生產大量模組，則大電廠的這個優勢就可能會被超越。Unknown displacement and electric potential jumps in the integral equations are approximated with a product of fundamental density function and polynomials, in which the fundamental density function reflects singular behavior of electroelastic fields near the crack front and the polynomials can be reduced to a real constant under uniform loading
超奇異積分方程中的未知位移間斷和電勢間斷近似地表示為基本密度函數與多項式之積，其中基本密度函數反映了橢圓片狀裂紋前沿電彈性場的奇異性，而多項式在均布載荷作用下可用一個常數來表達。To improve the integration density of ics, according to the moore law to develop, craftwork must get great breakthrough. vlsi will not be satisfied with the conditional devices " size, silicon technology will slow down till to break down in the next ten years or much shorter time
對于跟器件尺寸密切相關的超大規模集成電路vlsi來說，傳統的工藝尺寸已經逐漸不能滿足當前集成電路的發展要求，矽片技術迅速發展的勢頭有可能在十年內（甚至更短的時間內）放慢以至完全停頓下來。In this study, on the base of the present status and future development of semiconductor materials for solar cells, we have carried out the work to compose film structures of si - based materials by theoretical analysis and experimental methods, which have potential application in modules of solar cells. the processing, features of microstructure and optical properties of the designed si - based thin films have been studied in detail by employing methods of xrd, sem, afm, tem, raman, ftir, uv - vis, pl, and ellipsometry spectroscopy ( se )
本文在全面總結目前太陽電池材料的研究現狀和其未來發展趨勢的基礎上，系統地從理論和實驗兩方面對應用在太陽電池板上的si基薄膜材料的結構進行了設計，用超高真空磁控濺射儀研究了其制備工藝，用了xrd 、 sem 、 afm 、 tem 、 raman 、 ftir 、 uv - vis 、 pl和橢圓偏光儀（ se ）等分析手段研究了薄膜的相結構、微觀組織特徵和其所具有的光性能。分享友人