穩定電勢 的英文怎麼說

中文拼音 [wěndìngdiànshì]
穩定電勢 英文
stabilizing potential
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 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...
  • 勢 : 名詞1 （勢力） power; force; influence 2 （一切事物力量表現出來的趨向） momentum; tendency 3 （自...
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. 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。
  2. Russian television has gloated over ukraine ' s chaotic politics, pointing up the advantages of russia ' s stable system, in which decisions are taken by the kremlin and rubber - stamped by the duma

    俄羅斯電視臺曾幸災樂禍地報道烏克蘭混亂的政治時局，並指出俄羅斯穩定社會制度說具有的優勢；俄羅斯的一切決議都由俄羅斯政府制定，並有杜馬國家議會按正常程序審批執行。
  3. The thesis will emphasize the design of loop circuits which comprise pfd, cp, lp and vco in chap3 - 5, and the analysis of loop performance is also very important

    在整個設計過程中，作者針對當前集成電路的低功耗設計趨勢，採用了多種低壓電路結構，使得環路可以穩定的工作在各種採用電池供電的便攜式系統中。
  4. 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。
  5. Our products are characterized by high precision, low noise ， long service life and stable performance, which mainly cover auto bearing, mute motor bearing, deep - groove ball bearing, needle roller bearing. thrust ball bearing ， tapered roller bearing and nonstandard bearing

    產品以精度高、噪音低、壽命長、性能穩定為優勢；主要生產高品質汽車軸承、靜音電機軸承、深溝球軸承、滾針軸承、推力球軸承、圓錐滾子軸承及其他非標軸承。
  6. The other was to research new li - al solid solution alloy material and use it as anode in lithium battery. by the trace alloy component, aluminum, doping in lithium metal, it was hoped to improve the sei film stability of lithium / electrolyte interface and consequentially enhance the performances of lithium anode. meanwhile, different form the previously studied lial alloy that had very high content of aluminum, such alloy should not decrease the mass specific energy and electrochemical potential of lithium electrode

    方法二:研究新型鋰鋁固溶體合金材料並將其應用於鋰二次電池中，通過微量合金成份鋁的摻雜提高鋰電極/電解質界面sei膜的穩定性，進而提高鋰負極性能;而該合金不會像以往高鋁含量的鋰鋁合金那樣降低鋰電極的質量比能量和電化學反應電勢。
  7. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  8. Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems

    由於時域積分方程對于分析電磁散射、輻射問題有著無可比擬的優勢，利用時域積分方程求解各種結構體目標散射成為計算電磁學領域中一個非常重要的方向。但是傳統的時間步進法求解時域積分方程存在致命缺點:后時穩定性不好。
  9. 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。
  10. Make a brand with character, " when beautiful nimble " card report motor - car has the outward appearance novel and pure and fresh, the operation is handy, on the safe side, ride travel is comfortable, noise is low, service life is long, cost can be low, free from contamination, intelligent control, driving moment is big, climbing capacity is strong, glide performance is good, protective function is much, the characteristic such as function stability, once put in the market times accept consumer favour, make strong brand quickly

    以品質打造品牌， 「佳捷時」牌電動車具有外觀新穎清新，操作簡便，安全可靠，騎行舒適，噪音低，使用壽命長，耗能低，無污染，智能控制，驅動力矩大，爬坡能力強，滑行性能好，保護功能多，性能穩定等特點，一經投放市場就倍受消費者青睞，迅速成為強勢品牌。
  11. To achieve accurate detection of surface potential, the measurement of the contact potential difference of the zno / si step was also carried out. polarization - related surface properties of ferroelectric thin films were investigated by kelvin probe force microscopy ( kpfm ), leading to the discovery of asymmetric charge writing on the surface of pb ( zr _ ( 0. 55 ) ti _ ( 0. 45 ) ) o _ 3 ( pzt ) thin film

    為了優化儀器的檢測靈敏度和穩定性，選用氧化鋅薄膜上的zno / si臺階作為測試對象，檢測了zno / si的接觸電勢差;通過改變儀器系統參數，發現針尖-樣品距離和掃描速度對接觸電勢差的檢測結果影響顯著。
  12. The group considers this acquisition a long - term investment, as well as a means to enable it to secure a stable supply of ics and to reduce the lead - time in product delivery, helping the group to strengthen its competitive position as a leading ics trader

    Angstrem為蘇聯一家主要集成電路生產商，集團投資此公司，主要視作長遠投資，並藉此穩定集成電路的供應，及縮短付運期，鞏固集團本身作為主要集成電路貿易商的競爭優勢。
  13. 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。
  14. Such as : the balance of elastic membrane, the heat conduction of stationary state, the incompressible potential flow, the problem of electrostatic field and magnetostatics field

    例如：彈性膜的平衡問題，穩定狀態的熱傳導問題，不可壓縮勢流問題，靜電場問題以及靜磁場問題。
  15. In chapter 2 and 3 we introduced the development and problems in inorganic and organic electroluminescence ( iel and oel ). in chapter 4 we utilize the simple static properties of inorganic material to form complex with organic material

    利用有機無機的復合，既發揮了無機材料的穩定性、簡單的、靜態的特點，又利用有機電致發光驅動電壓低、顏色豐富等優勢。
  16. Electronic image stabilization is a new technology to stabilize video image sequence. because of its advantages of high image stabilizing precision, compact size, lightweight, low power consumption and reasonable price, the electronic image stabilization has become a focus of study competition among developed countries in west of the world. especially it is applied to men - manipulative weaponry equip

    電子穩像是一種視頻圖像序列穩定技術，由於它具有穩像精度高、體積小、重量輕、功耗低以及成本低等優勢，從而成為西方先進國家競相研究的焦點，尤其是將它應用於有人操縱的武器裝備中。
  17. In the paper, present condition and developing tendency of forklifts are presented, design plans of a new developed electrical - driven universal - way forklifts - cpd2hc ~ are introduced, dimensions of its changing direction trapezoid are designed by means of optimized method, static and dynamical stabilities of the forklifts are studied and tested through build model, given conclusions from above researches are of great important to raise design quality and working performance of this kind of forklifts, which lay the foundations of developing more practical, durable and advanced productions

    論文闡述了叉車的現狀和發展趨勢，介紹了新研製的cpd2hc型電動萬向叉車的設計方案，並利用優化的方法對轉向梯形臂的幾何尺寸進行了優化設計，論文還研究和驗證了電動萬向叉車的靜態穩定性和動態穩定性，所得結論對于提高這種型式叉車的設計質量和工作性能有重要的意義，為研製更實用、更耐用、性能更先進的產品奠定了基礎。
  18. In order to play the whole advantage of supply chain, realize the information sharing, supplement with each other ' s advantages, reach a result of two - wins and set up a steady and healthy cooperative partner and strategic alliance relation, this paper proposes to choice the supplier by combining the actual situation of kunlun machine factory according to the supplier ' s choice standard and method, and then sets up a supplier evaluated indexes system of kunlun machine factory. with the example of the purchase of carbon - forms steel in hai - 2000 productions, the fuzzy - evaluation method is applied in evaluate three supplier of kunlun machine factory, and on the basis of it the encourage measures of different kinds of suppliers is studied. the paper also analyses the influence of e - business to enterprises material purchased and probes into the material purchase strategies under the environment of e - business ; finally, a supply chain integrated performance evaluate index system is designed according to the analyses of supply chain management theory, and two methods of self - evaluated and pole - evaluated are adopted in evaluate the supply chain purchase integrated performance of kunlun machine factory

    論文在對采購管理和供應鏈管理理論綜述的基礎上，根據昆侖機械廠采購管理現狀和軍品采購的特點，分析了昆侖機械廠物資采購中存在的問題，研究了昆侖機械廠物資分類采購的策略；為了發揮供應鏈的整體優勢，實現信息共享，優勢互補，達到雙贏效果，建立穩定健康的戰略合作夥伴，按照供應商的選擇標準和方法，結合昆侖機械廠實際對供應商進行選擇，並建立了昆侖機械廠供應商綜合評價的指標體系；以昆侖機械廠的海2000產品中的碳結鋼物資采購為例，運用模糊綜合評價方法對該廠的三家供應商進行了綜合評價，在此基礎上，研究了不同類型的物資供應商的激勵措施；論文分析了電子商務對企業物資采購的影響，探討了昆侖機械廠電子商務環境下的物資采購策略；根據供應鏈管理理論構建了昆侖機械廠物資采購供應鏈，設計了昆侖機械廠供應鏈采購整體績效評價的指標，採用自我評價和標桿評價方法對昆侖機械廠供應鏈采購整體績效進行了評價。
  19. First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend

    首先由於它的揚程較高、流量較小，所以它的流道狹長，圓盤摩擦損失較大，效率相對較低；其次由於它的流道擴散較嚴重，易在葉片進口產生迴流和在出口產生脫流，揚程流量特性曲線易出現駝峰，在小流量工況下易產生不穩定現象；第三，由於其功率流量曲線呈現上升趨勢，在大流量區運行時電機易過載。
  20. In this thesis, three systems, namely, perfect and defect sno _ 2 ( 110 ) surfaces, ti and ru - doped surfaces and the adsorptions of small molecules on above perfect surfaces have been studied in details by using the first - principles method with the combination of pseudopotential plane - wave and atomic basis sets. the structural stability, surface states and the surface chemistry of undoped and metal doped sno _ 2 ( 110 ) surfaces have been discussed, which can provide the theoretical rules to improve the surface properties of this special functional material

    為了深入了解sno _ 2表面的電子結構本質及其化學反應性質，本論文採用贗勢平面波和原子軌道基組相結合的第一性原理方法，詳細考察了三種類型體系，即sno _ 2 （ 110 ）完整和缺陷表面、 ti和ru摻雜表面、以及典型小分子在上述完整表面的吸附，揭示了sno _ 2 （ 110 ）及其金屬摻雜表面的構型穩定性、表面態及其對表面化學反應性的影響，為該類型表面功能材料的改性提供理論依據。
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