等電勢的 的英文怎麼說
中文拼音 [děngdiànshìde]
等電勢的
英文
equipotential-
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。With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed
本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。The industrial development in shandong should be located on the above - mentioned superior industries, known as the industries which is " inoculated " by the high and new technology and upgraded such as the leading industry like mechanism, electron, petrifaction and etc, or the traditional industry like energy source, textile, foodstuff, metallurgy and etc, or the high and new technique industry like electronic message, biological engineering, ocean and etc. correspond with the development and grandness of these strategic industry, the famousbrand products including the products of the household appliances, the utility type sedan, the refine chemical industrial products, computer software, halobios pharmacy, industrial revelation ware and etc should be created gradually, and then improve the structure of the industrial products
山東省工業發展應定位於上述優勢產業，即經過高新技術「嫁接」和換代升級的機械、電子、石化等主導產業，能源、紡織、食品、冶金等傳統產業，電子信息、生物工程、海洋等高新技術產業。相應于這些戰略產業的發展和壯大，逐步創造出包括家電、經濟型轎車、精細化工產品、計算機軟體、海洋生物制藥、工業新材料製品等在內的名牌產品，並進而改善工業產品結構。隨著中國加入世貿，為應對經濟全球化的挑戰，關于產業競爭力的研究成為一大熱點，但以往的研究都側重於從國家或企業的角度考慮問題，本文試圖從區域經濟的角度研究產業競爭力，探索提升產業競爭力的途徑，為研究中國產業國際競爭力提供借鑒和參考。We attach special significance to as many cis countries participating in the work on humanitarian problems as possible and would welcome joining the agreements on the council and fund by all the commonwealth partners. active cooperation with the cis member states in these bodies and joint work on their timely and complete material - technical, financial and organizational support will serve to strengthen the commonwealth and deepen further the existing comprehensive interaction among our countries and peoples. as before, cooperation is actively evolving with our cis partners in combating terrorism and other manifestations of extremism, crime, illegal migration and illicit drug trafficking or to be more precise - narco - aggression
雙方高度評價近年來兩國經貿合作的積極勢頭，並指出，應擴大貿易規模，通過提高高新技術、機械製造、電子產品和其他高附加值商品在貿易中的份額來改善貿易商品結構，使之平衡發展；為兩國商品、服務和投資進入對方市場創造有利條件，加強包括建立合資企業、生產性合作和轉讓技術等形式的經濟技術與投資合作；完善貿易服務體系，包括加強在銀行結算、貸款擔保、保險領域的合作，加強兩國在經貿領域的法律和行政管理等工作，使貿易制度符合國際標準；加強兩國邊境和地方間合作以及中小企業之間的聯系。But the grid voltage is different in many countries, so the research of an inverter, which can be used in many countries, will become a trend. a grid - connected inverter in grid - tied and off - grid modes has many advantages such as peak shaving to reduce the overall cost of power by generating during peak load hours in grid - tied mode, and standby generation to provide power during system outages until service can be restored in off - grid mode
由於世界各國電網電壓的規格繁多，能夠研製出適合於多個國家電網電壓規格的逆變器將是未來發展的一種趨勢;獨立與並網雙模式運行的逆變器由於具有緩解電網用電緊張、減少發電站的發電量、在電網斷電時對負載起不間斷供電的作用等優點，也成為現在研究的一個熱點。Static and dynamic trial experiments indicate that the system, not only can well simulate the prime governor and self _ equilibrium characteristics of a prime mover with its simple hardware line, small size and versatility, but also can highly improve the whole system ' s control precision, reliability and stability when compared with the system design of the analogy circuits
靜態、動態測試實驗表明：該控制系統，不僅硬體線路大為簡化、體積小、通用性強，能夠很好地實現對原型調速器及原動機自平衡特性的模擬，而且與模擬電路的設計方案相比，整個系統的控制精度、可靠性和穩定性等大幅度提高，具有明顯的優勢。To describe the development trend of metallurgical automation equipment in the aspects of system technology, measurement instrument, artificial intelligence application and power electronic technology at the beginning of 21st century and puts forward the strategy for promoting the development of metallurgical automation equipment technology in china
闡述了下世紀初葉冶金自動化裝備在系統技術、檢測儀表、人工智慧應用和電力電子技術等方面的發展趨勢，提出了發展和促進我國冶金自動化裝備技術和工程承包能力的對策。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。All these are in order to improve the cash operation efficiency of companies, and build the competition of the sales companies. from the structure, firstly it divides the cash flow process into purchase process, inventory process, and sales process, and analyzes the reason for cbpr ( cash business process reengineering ), and then advances the rules and methods of cbpr ( cash business process reengineering ). secondly, it analyzed the disadvantages of the three tradition processes, and points out the reason in process affecting cash turnover efficiency, and then reengineers cash business process in order to echo on the customers quickly and quicken cash flow
從論文結構上，本文分析了分銷企業資金流程再造的原因，並提出了資金流程再造的原則與方法，根據業務流程的概念將資金流程劃分為采購流程、庫存管理流程和銷售流程，並逐一對各傳統流程的弊端進行了剖析，指出了在流程中影響企業資金周轉效率的原因，並結合分銷企業自身的特點，引入供應鏈管理等先進的管理思想，再造企業資金流程，以達到更快地響應顧客，加快資金流轉的目的，同時分析了影響分銷企業的資金流程再造成功的因素，最後本文又根據tcl電器銷售公司的運作模式進一步印證了資金業務流程再造的優勢。The draft is also good on the power play a stimulating role plates, such as anhui to electricity, such as tin fu thermoelectric have appeared 漲 停 ; in addition, the rehabilitation of agricultural products every day 漲 停 the shock after under the recently also started the plate, such as water in the fishing industry, kang biological, and other days there 漲 停 ; the two sides also offer acupuncture, nam fung chemicals, such as chlor - alkali and jin also 漲 停, the military concept of the space momentum in nuclear science and technology have appeared 漲 停
雖然銀行股處於一定的回調整理局勢，但以海通證券和成都建投及東北證券為首的券商股保持積極的活躍度，紛紛出現漲停；同時在寶鋼股份漲停的激發下，西寧特鋼、武鋼股份、濟南鋼鐵、酒鋼宏興等均都出現較大幅度的拉升，並帶動有色金屬的承德釩鈦、馬宏鋅鍺出現漲停；另外，長江電力的漲停也是對電力板塊起到良好激發作用，如皖能電力、天富熱電等紛紛出現漲停；除此之外，在農產品復盤後天天漲停的激發之下，近期該板塊也開始啟動，如水中漁業、天康生物等出現漲停；還有化工的兩面針、南風化工、錦化氯堿等也出現漲停，軍工概念的航天動力、中核科技等紛紛出現漲停。The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper
本文研究了用igc （惰性氣體蒸發凝聚原位溫壓法）制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅（冷軋紫銅、電解銅）在酸性硫酸銅溶液和中性含氯溶液中，在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法（ cv ）和電化學阻抗譜（ eis ）等方法。 x -射線衍射（ xrd ）的方法用來估算納米晶銅晶粒尺寸。Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles
對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。Then introduce the present situation service of cosco - logistics ltd : appliance logistics, car logistics, electric power logistic, petrifaction logistics, exhibit logistics and retail logistics. on the base of swot analysis of cosco - logistics ltd, chapter four gives suggestion to logistics service innovation of cosco - logistics ltd : developing electronic commerce, integrated marketing, customization logistics and 4pl ? increment service. then give some supports strategy for logistics service innovation of cosco - logistics ltd
第四章通過對中遠物流的swot分析，結合物流服務發展的趨勢，提出了中遠物流企業開展服務創新應該以電子商務為載體、以一體化營銷為基礎、以客戶訂制和第四方物流為發展方向、以增值服務為中遠物流的核心競爭力，在此基礎上，提出了開展物流創新所需要的物流設備的現代化、物流資源整合、物流信息化、物流人才的培養等方面的支持政策。Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step
在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后，針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢，設計了一種基於金屬帶式無級自動變速器cvt混合動力汽車動力傳動系統方案，根據該傳動系統方案制定了比較合理的控制策略和工作模式，並針對長安之星6350b設計了發動機功率和起始轉矩、主減速比、電機的額定功率和轉矩、轉矩合成器速比等相關參數，為下一步的電機控制系統模擬實驗打下基礎。The third generation of scada, based on the technology of distributing computer net and relation data base, could realize the large - scale internet connection, which is currently applied in data collection, surveillance control and processing control in the fields of electric power system, water supply system, petroleum and chemical industry etc. the fourth generation of scada would adopt the internet technology, object oriented technology, neural network as well as java technology as its main development tendency, aiming at enlarging the integration of scada and other systems, which could finally meet the needs of business management and integrated security economic circulation
現在的基於分散式計算機網路以及關系數據庫技術的能夠實現大范圍聯網的第三代scada系統被廣泛應用於電力系統、給水系統、石油、化工等領域的數據採集與監視控制以及過程式控制制等諸多領域。第四代scada系統的主要發展趨勢是採用internet技術、面向對象技術、神經網路技術以及java技術等技術，繼續擴大scada系統與其它系統的集成，綜合安全經濟運行以及商業化運營的需要。An understanding of electrical emission of concrete may lead to hi practical application such as nondestructive testing of concrete. ( s ) according to nonequilibrium thermodynamics, a mathematical model on the relationship between strain gradient and electric potential gradient is presented
（ 5 ）依據非平衡態熱力學建立了混凝土中應變梯度和電勢梯度、應變梯此漢理卜人學附士學位論文度和電場強度等力電關系的數學模型。Scope of business : importing and exporting of the following goods : electromechanic products e, g, mechanical equipment, instruments, marine machinery ; tobacco machinery and its spare parts ; based on the expertise of china state shipbuilding company ( cssc ) and kunming shipbuilding equipment corporation ( ksec ) in scientific research, designing, shipbuilding and tobacco machinery manufacturing, cstckm undertakes business in contracting engineering project, sino - foreign joint venture, diverse cooperation, technical exchange and consultation
經營范圍：主要從事經營機械設備、儀器儀表等機電產品和船用機械，煙草機械零配件的進出口業務，同時依靠中國船舶工業總公司和昆船集團在科研，設計造船，造機和煙草機械等方面的優勢，承接工程承包、承辦中外合資、合作、技術交流和技術咨詢等服務貿易，為客戶提供合作和服務。The fact that tatb crystal in expands along c axle and could not be recovered in a heating circulation were explained from the distance between atoms as well as from miilliken population analysis. we also have explained that p - hmx crystal is easy to initiate decompose and detonate but tatb is very stable through the research of electrostatic potential map of electric charge
分析原子間距和m lliken集居，解釋了tatb晶體沿c軸膨脹以及受熱循環后長大的各向異性和不可復原性等實驗現象；還通過對點電荷靜電勢的研究，闡明了- hmx晶體易於在分子間相鄰硝基處引發分解和起爆，而tatb則很穩定等實驗事實。Considering the relations between idle load characteristics and armature winding parameters of the salient pole propulsive synchronous motor ( spsm ) with its structure, stator tooth and magnetic saturation, the analysis of numerical method for the back electromotive force calculation of spsm is given under various exciting current values
摘要針對凸極式同步推進電機的空載特性及其繞組參數與電機結構、定轉子齒槽、磁場飽和等緊密相關的問題，分析了在不同勵磁電流下同步推進電機相反電勢的數值計算方法，提出了採用電機磁場能量微動法計算相繞組的參數，並對一臺十二相同步推進電機的繞組參數及其空載特性進行了計算和測量。When the conductor in electric fields reaches electric balance, the whole conductor is an equal potential body, which point ( plane ) can represent the entire conductor that is the key to calculating the electric potential of the conductor
由於處在靜電場中的導體達到靜電平衡后是一等勢體，導體中哪一點（面）的電勢能代表整個導體的電勢是求解導體電勢的關鍵。分享友人