電解勢 的英文怎麼說
中文拼音 [diànjiěshì]
電解勢
英文
electrolytic potential-
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。In other words, the electric energy helps to explain the cohesion of the crystal.
換句話說，電勢能有助於解釋該晶體的結合力。In order to be the choice of hdtv, different kinds of displays develop much fast in the recent years. the dissertation introduces the development of all kinds of display, and gets the conclusion that, cpt still has the great advantage in the tv terminal field under the condition that the lcd is taking the place of cpt in the cdt field. the main research contents of cpt which includes high - luminance, high - contrast, high - definition, low - power, and complanation, have been investigated
本文系統地闡述了hdtv用的顯示器件的基本要求及其發展歷史和現狀，介紹了各類顯示器件欲成為hdtv終端顯示近年來所作的努力；總結出了雖然在彩色顯示器（ cdt ）領域，液晶顯示器（ lcd ）已經大有取而代之之勢，但是在電視終端領域，彩色顯像管（ cpt ）還是有其不可替代的巨大優勢；並分析了高亮度、高對比度、高解析度、低功耗、平面化等cpt製造的關鍵技術和研究動向。Gis has been used more and more widely recently, second development of gis is the main application. the thesis introduces the latest technology and the future developing direction, and discusses realizing the automatically building and management of shantou city graphic library with aml grogram in arc / info, the process and problems about joining the e - maps of shantou city, how to build the survey symbol library with arc / info and coredraw 10
本文介紹了gis的最新技術及將來的發展趨勢，介紹了本人針對汕頭市gis系統中運用arc info下aml編程技術實現圖形庫和數據庫的自動建庫和管理所作的工作；討論了汕頭市電子地圖拼接過程中存在的問題和解決方法；並介紹了本人使用arc info和coreidraw10軟體建立測繪專業專用符號庫的工作。Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique
其次，針對acem系統特有的「電源諧波」特性，深入分析了濾波器方案，得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構，並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。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。Two kinds of solutions to the electric potential of electric couple polaron and conductor sphere system
電偶極子和導體球系統電勢的求解In chapter two, by adopting a semiclassical model, we get an analytic expression of potential distribution in a one - dimensional mesoscopic tunnel junction array by solving a set of linear equations
第二章採用半經典模型，通過求解一個線性方程組得到了一維介觀鏈中電勢分佈的解析表達式。In this thesis, by adopting a semiclassical model, we get an exact solution to the potential distribution in a one - dimensional finite uniform array of mesoscopic tunnel junctions. we discuss the features of two kinds of charge solitons in the array
我們採用半經典模型精確求解了一維有限長均勻介觀結鏈中的電勢分佈，討論了兩種電荷孤子的特徵。The national and international power industry tends to break the monopoly, introduce the competition and build competitive markets. in many countries, the emphasis on the reform is to unbundle ancillary services from energy
打破壟斷、引入競爭、建立電力市場是國際和國內電力工業的發展趨勢。在各國的電力改革中，其中一個主要熱點是輔助服務的解捆。This paper, while analyzing the status quo and existing problems of china ' s circulation channels, probes into the transformation trends in china ' s circulation channels and points out that china ' s circulation channels should get on the track of computerization, unionization, terminization and specialization
為此，論文在解剖中國流通渠道現狀與問題的基礎上，探討了中國流通渠道的變革趨勢，提出了中國流通渠道應走電子化、聯盟化、終端化、專業化的變革之路。In order to determine the concentration or supersaturation in crystallization process, an online test apparatus was set up based on the relationship between the concentration and the electroconductivity at a temperature for binary electrolyte systems, which was also used in similar fields to measure the electrolyte concentration
根據二元電解質溶液體系的濃度與電導率和溫度之間的關系，建立一電導率在線測量裝置，可在一定范圍內測定溶液的濃度或過飽和度。實驗得到與hlozny等人基本一致的溶液電導率變化趨勢。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。After this article analyse generally the state of nationwide and worldwide aluminum industry, it has an in - depth analysis of the competitive structure of electrolytic aluminum industry hi our country with potter ' s five power structural analysis mode and thus we understand the opportunities and threats confronted with the enterprise. on the basis of careful study on the actual condition of zouping aluminum co., ltd., this article amis to find out the strengths and weakness of the enterprise. and with analytical approach of swot, a far - reaching plan of our company and an overall strategy that the longitudinal integration development is to be carried out are put forward and the measures about how to assure the implementation are raised in accordance with problems existed in the enterprise
本文首先對世界鋁工業狀況和我國鋁工業狀況進行總括性的分析，然後運用波特的五要素結構分析模型對我國電解鋁行業競爭結構進行了深入分析，從而了解了企業面臨的機會和威脅；在對鄒平鋁業有限公司的實際狀況進行詳細研究的基礎上，找出企業的優勢和劣勢；最後運用swot分析的方法，針對企業目前存在的問題，提出鄒平鋁業公司遠景規劃和實施縱向一體化發展的總體戰略方向，並對戰略的有效實施提出了保障措施。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。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。For the bldcm which has a neither sinusoidal nor trapezoidal back - emf, that is, for a general shape back - emf bldcm, this dissertation proposes a novel id = 0 vector control method. by this method, the iq for a constant torque to produce is calculated through coordinate transformation, and the reference iq is tracked by vector control in the dq0 frame
對于實際反電動勢波形既非正弦又非梯形波的無刷直流電動機，提出一種新型的任意波形反電動勢無刷直流電動機的i _ d = 0矢量控制方法，通過坐標變換浙江大學博士學位佑文摘要求解產生恆定電磁轉矩所需的q軸電流，並在dqo坐標系下通過矢量控制對q軸參考電流進行跟蹤。The results also showed that with the increasing of nacl concentrations, both the electrolyte leakage and the content of mda increased. and under water stress, both the electrolyte leakage and the content of mda had no significant difference compared with those of ck, but were lower than those of iso - osmotic nacl treatment
結果還表明，隨著nacl濃度的遞增，菊芋幼苗葉片電解質滲透率和丙二醛含量呈上升趨勢； peg處理下，電解質滲透率和丙二醛含量與對照無明顯差異，但明顯小於等滲nacl處理。In order to minimize the commutation torque ripple of traditional trapezoidal bldcm using 120 cconduction mode, firstly, analytical formulae of commutation torque in the condition of perfect back - emf waveforms are developed in this thesis, based on which the effects to the torque ripple by the pwm modes, overlapping commutation techniques and so on are analyzed, and the applicable speed ranges of the motors using the overlapping commutation techniques are derived
為了抑制傳統的三相六狀態120導通方式控制下方波型無刷直流電動機的換相轉矩脈動，本文首先在理想反電動勢的條件下推導了換相轉矩脈動的解析公式，並由此分析了調制方式、重疊換相技術等對換相轉矩脈動的影響，得出了採用重疊換相技術抑制換相轉矩脈動適用的電機轉速范圍。In course of the simulation of mathematical model, this paper analyses and calculates quantitatively the key variables of torque pulsation, that is electromotive force wave and current wave, and tables a proposal through controlling the angle of pwm supply voltage, at the same time the results are given
在數學模型的動態模擬求解中，對電機轉矩產生的關鍵量?電動勢波形和電流波形進行分析研究和定量計算，並提出通過控制pwm電壓的開關角來降低轉矩脈動的方法，同時給出模擬結果。分享友人