電轉電位 的英文怎麼說
中文拼音 [diànzhuǎndiànwèi]
電轉電位
英文
galvanic potential-
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。As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results
通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因，推導了波動電流、阻尼系數的計算公式，並通過實驗展示了被動式電磁阻尼器的阻尼效應。The electrolytic level is therefore electrically equivalent to a potentiometer, the center electrode corresponding to the rotor arm.
因此，導電液水準儀在電性能上相當於一電位計，中心電極相當于轉臂。Its current products include : top oscillation electrical precipitator, side electrical oscillation precipitator, magnetism controlled static electricity precipitator, wet electrical precipitator, honeycomb electric catching tar instrument, high - pressur silicon rectifier equipment and plc low - pressure controlling system, blast furnace gas impulse precipitator, high concentration pulverized coal collector, coke oven and boiler flue gas low pressure impulse precipitator, blower fan inhaler, crossing piping gas cooler, high temperature fume cooler, gyre - orientation impulse hop - pocker and all sorts of molded sections
目前主要產品有：頂部振打臥式電除塵器、側部振打電除塵器、磁控靜電除塵器、濕式電除塵器、蜂窩電捕焦油器、高壓硅整流裝置及plc低壓控制系統、高爐煤氣脈沖除塵器、高濃度煤粉收集器、焦爐及鍋爐煙氣用低壓脈沖除塵器、風機空氣過濾器、橫管式煤氣冷卻器、高溫煙氣冷卻器、回轉定位脈沖大布袋及加工各種冷彎型鋼。Some studies on control modes of the system, especially on a dc, pm, brushless and sensor - less motor driven systems. a method of rotor position identification without sensors has been developed. using a microchip to increate system efficiency, anti - disturbing ability and reliability of pwm modulation
研究了適于直流、無刷、永磁、無位置傳感器電機轉子位置的檢測方法；採用單片機實現了該種電機的運行控制，提高了系統在pwm調制時位置檢測換相控制過程的抗干擾能力。When formed for 8h, because most of paste on the negative plate has converted into lead, the polarization increases and the potential changes greatly, these distributions on the two kinds of negative plates become non - uniform again
當化成8h時，由於負極板上的鉛膏大部分轉化為鉛，極化上升，電位變化很大，所以兩種負極板上電流密度和電位分佈又變得不均勻。Obvious examples are potentiometers and tachogenerators to monitor the position and speed of a shaft.
反映轉軸位置和速度的電位器與測速發電機是我們最熟悉的例子。The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中，首先介紹模數轉換器的各種參數的意義，以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案，引入級聯結構調制器，特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器，調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計，包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等，並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後，利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。The magnitude of the spike and of the reversal varies in different heart tissues.
峰電位和極性倒轉的幅度，隨不同類型的心肌組織而異。In the first part of this paper, mn ( iii ) / mn ( ii ) couple in h2so4 was firstly applied as the positive couple to this system, i. e. redox flow cell. its chemical, electrochemical properties, redox kinetics and related parameters were characterized and discussed by rotating disc electrode ( rde ), cyclic voltammetry ( cv ), a. c. impedance ( a. c. imp ), chronoamperometry, tafel curve, and galvanostatic charge / discharge techniques. conclusions have been drawn as follows : 1. the electrochemical kinetics of mn ( iii ) / mn ( ii ) redox couple in 6. 3m h2so4 solution were studied by means of rotating disc electrode ( rde ) technique on platinum electrode
本文第一部分首次成功地將酸性介質中的mn （ iii ） / mn （ ii ）電對應用於氧化還原液流電池這一新型儲能裝置的正極活性材料，通過旋轉圓盤（ rde ） 、循環伏安（ cv ） 、交流阻抗（ a . c . imp ） 、恆電位階躍、 tafel實驗以及mn （ iii ） / mn （ ii ）單電極的恆流充放電實驗，我們得出以下結論： 1 .在旋轉圓盤電極上，不同轉速范圍，不同的極化過電位， mn （ ） / mn （ ）體系氧化還原電極過程的控制步驟不同，電荷傳遞、擴散傳質可分別或聯合成為控制步驟。The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素（ ce 、 la 、 y 、 dy ） 、能量（超聲波、磁場）介入后，沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化，表現在：鍍液的陰極極化過電位和極化度降低，沉積速度提高；鍍層的結合力、表面質量改善；鍍層中過渡族元素的含量增加，輕元素硼的含量降低，同時證實了稀土元素與過渡族元素共沉積的可能性；鍍層的顯微結構由非晶態向微晶和多晶態轉變；鍍層的顯微硬度與耐磨性提高，力學性能優化；鍍層的矯頑力降低；磁導率提高；鍍層的磁化強度在能量（超聲波、磁場）和輕稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。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。In this paper, rebar corrosion state was judged with three electrochemical nondestructive measuring technologies, i. e. half - cell potential, a. c. impedance and time potential. when the rebar was transformed from passivation to depassivation, it can obtain the chloride ions corrosion critical content through taking and analyzing chloride ions content around the rebar
本文利用半電池電位法、交流阻抗法和時間電位法三種電化學無損檢測技術判斷評估試件在試驗過程中鋼筋腐蝕狀況，當鋼筋由鈍化狀態轉為活化狀態時，取樣分析鋼筋周圍氯離子含量，得到了不同技術條件混凝土的氯離子臨界濃度。The reversal potential and the property that the current was rapidly blocked by external 1 mm bacl2 made sure that the current we recorded was carried by k +
電流的反轉電位（ 60mw及其被胞外baci 。迅速抑制的特徵表明記錄到的電流為k 」電流。With holding potential of - - 80 mv depolarization beyond - - 50 mv elicited an inward current, peaked at + l0mv and reversed between + 40 mv and + 60 mv 5 ll m nicardipine, a potent blocker of l - type calcium channel, markedly blocked the " ib
開始出現，峰值在去極化刺激至10 20mv出現，翻轉電位為巧0仍0mv 。 l型鈣通道特異性阻斷劑nicadipine可以明顯抑制ib 。 ，並且iv曲線分佈在應用nicardipine前後無改受。Harmonized system of quality assessment for electronic components. sectional specification. low power single turn. rotary potentiometers
電子元器件質量評估協調體系.分規范.小功率單匝旋轉電位計M specification for harmonized system of quality assessment for electronic components - blank detail specification : low power single turn rotary potentiometers assessment level m
電子元器件用質量評估協調體系規范.空白詳細規范:小功率單圈旋轉電位器S specification for harmonized system of quality assessment for electronic components - blank detail specification : low power single turn rotary potentiometers assessment level s
電子元器件用質量評估協調體系規范.空白詳細規范:小功率單圈旋轉電位器Detail specification for single turn low power non - wirewound rotary potentiometers - spindle insulated from resistance element, spindle and panel sealed or container, spindle and panel sealed - full assessment level
單旋非線繞小功率旋轉電位器詳細規范.與電阻元件絕緣的主軸主軸和密封儀錶板或容器主軸和密封儀錶板.全面評估級Harmonized system of quality assessment for electronic components - sectional specification : low power single - turn rotary potentiometers
電子元器件用質量評估協調體系.分規范.小功率單圈旋轉電位器分享友人