過電位 的英文怎麼說

中文拼音 [guòdiànwèi]
過電位 英文
over potential
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 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...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  1. Calciferous salt is ideal coagulants which decrease the electric potential. the experiment also showed a new method to treat the coal dressing wastewater by using calcium cinder carbide and pam together

    通過對各種降低動電電位的混凝劑的測試，得出鈣鹽是較理想的混凝劑，並確定了電石渣與聚丙烯酰胺聯用治理煤泥水的最新方法。
  2. For example, in benin a country bordering nigeria and togo, the cotonou center has been overwhelmed by the tremendous success of its radio broadcasts, which have attracted so many new truth - seekers that the centers main building will soon be too small to accommodate everyone for group meditation even though it can easily hold over a hundred people

    近年來，西非各地的小中心迅速蓬勃發展。譬如貝南位於奈及利亞和多哥兩國之間的科都努cotonou小中心，透過電臺傳播福音，成效斐然。大批真理追尋者涌至小中心，使得原本可以輕松容納一百多人的小中心，即將面臨場地不敷使用的問題。
  3. Battery is low electric potential or overload or short - circuit

    電池低電位或過載短路
  4. In this thesis study, graphite nanosheets were effectively prepared from natural graphite flake. fabrication of graphite nanosheets with nylon 6 via an in - situ polymerization approach led to the nylon 6 / foliated graphite nanocomposites

    通過原位聚合復合技術，將石墨納米薄片分散於尼龍6基體中，構造了尼龍6納米石墨納米導電復合材料。
  5. 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。
  6. 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。
  7. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述直接甲醇燃料電池（ dmfc ）陰極氧氣的傳遞和電化學反應過程，研究了過電位-電流密度曲線受陰極結構參數變化的影響程度，其中著重考慮了以下幾個參數：催化層的孔隙率，浸漬聚集體薄膜的厚度，浸漬聚集體的半徑，浸漬聚集體在催化層中的體積分數。
  8. According to the i - t curves of potential step, it was revealed that electrocrystallization of ni - w - b alloy on glassy carbon followed the mechanism of instantaneous nucleation and three dimensional growth with diffusion controlled. the crystal nucleus number on the surface of electrode raised by the increase of over potential

    根據電位階躍的i t曲線分析得知，在玻摘要碳電極上ni wb合金電結晶過程遵從擴散控制瞬時成核三維成長模式進行，且隨著過電位的增加，電極表面上晶核數增多。
  9. The anodic overpotential and reaction - rate distributions throughout the catalyst layer are affected by increasing the protonic conductivity to

    增加電解質的傳導率有助於陽極催化層過電位和反應速率均勻分佈，從而提高dmfc的性能。
  10. Multi - component platinum alloys have been proved the best anode material for lowering the anode over - voltage and tolerating co poisoning

    迄今為止，採用多組分鉑合金催化材料被認為是降低h _ 2或ch _ 3oh氧化過電位、提高催化劑抗co中毒的最有效手段。
  11. However, due to the model itself, some particular parameters can not be decided precisely, just like the radius of agglomerate and the thickness of the film and so on

    分析了模塊的優缺點。聚塊模型是比較好處理的模型，可以預測過電位，對電極的優化有指導性的作用。
  12. Simulation results show that cathode over - potential under low current density is considerably increased because of methanol crossover, but its effect becomes much lower under high current density

    模型顯示在低放電電流密度下，甲醇穿透顯著地增加了電池陰極過電位，降低了電池電壓；但在高電流密度下，甲醇穿透對電池性能的影響不顯著。
  13. Cyclic voltammetry ( cv ) and linear scanning microscopy ( lsv ) results show that the anode reactive rate is limited at low electrode voltage for electro - oxidation of methanol, formaldehyde or formic acid, the over - voltage being about soomv

    循環伏安和線性掃描曲線表明甲醇，甲醛和甲酸在低陽極電位下反應速率有限，存在約300mv的過電位。
  14. In this paper, we focus on the current collector to look for substitution for mercury. the metal or alloy with high over - potential of hydrogen was electroless deposited on the surface of the current collector or organic additives were used, too

    本文以集電體為目標，尋找代汞物質，在集電體表面化學沉積高氫過電位的金屬或合金層，或者吸附有機塗層等功能材料。
  15. The tffa model calculation has been carried out to investigate the effects of structural parameters of the afc cathode and pemfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density and the curve of cathode potential versus current density

    本文運用tffa模型分別考察了afc陰極過電位?電流密度的曲線和pemfc陰極伏安曲線受陰極結構參數變化的影響程度。
  16. Mol l, artemisinin can be reduced via the hemin - catalysis and its original cathodic peak at - 1. 08v completely disappeared. the cathodic overpotential of artemisinin is decreased ca. 600mv. this process is verified by the fact that complex edta - fe can also promote the artemisinin reduction with decreasing the cathodic overpotential of artemisinin for 590mv. these results show that the reduction of artemisinin at the glassy carbon electrode is a catalytic process with the aids of hemin. hemin can greatly decrease the cathodic activation energy of the reduction of artemisinin and promote the decomposition of artemisinin

    Mol l氯化血紅素存在下，青蒿素仍可被催化還原，陰極過電位降低了600mv 。配合物edta - fe具有類似氯化血紅素的催化性質，它降低了qhs陰極過電位590mv 。在這個體系中，青蒿素在碳電極上的還原是一個藉助于氯化血紅素催化的還原過程，氯化血紅素的存在降低了青蒿素還原活化能，促進了青蒿素的分解。
  17. Tow types of fuel - cell models can be distinguished : microscopic and macroscopic. this paper adopt agglomerate microscopic model to analyze the fuel cell ' s performance. according to the computation, it can be concluded that the performances are determined by the thickness of the electrode, the effective ionic conductivity, the radius of agglomerate and other parameters

    對燃料電池單體，建立了微觀的數學模型? ?聚塊模型，用nenmanbandj方法計算熔融碳酸鹽燃料電池陽極和陰極的過電位，分析了各種參數的影響，對電極的制備，提高單電池的性能，有一定的指導意義。
  18. The redox of v ( ) / v ( ), v ( ) / v ( ) couple on the graphite displayed one electron quasi - reversibility. it is proved that trace in3 +, sb3 + can inhibit cathodic hydrogen evolution during the charge process by increasing the hydro - gen overvoltage in addition that sb3 + is a stabilizing / kinetic enhancing ion. during the charge / discharge process, cross - mix and self - discharge rarely happened. the maximal energy density of the lab - level vanadium battery is 21 wh / kg. the capacity efficiency of the lab - level vanadium battery is as high as 94. 7 %

    釩電池充電末期，會發生水的電解反應，痕量銦離子的加入提高了析氫過電位，抑制了充電過程中負極氫氣的析出；銻離子的加入不僅可以抑制氫氣的析出，還提高了正極反應速率，增強了正極表面的穩定性。實驗中得到的最高質量比能量為21wh / kg ，充放電過程中僅有極少的交叉混合和自放電發生，自製釩電池的容量效率可高達94 . 7 %
  19. The influence factors to electrochemical deposition and gradient distribution of pmgcf, such as the predrying extent of the swelling cathode film, the excessive power voltage of the cathode, the ph value of electrochemical reduction medium solutionn, the microstrucure of polymer matrix, were majorly invested in this thesis

    本文著重討論了了溶脹陰極膜的預乾燥程度、陰極過電位、電解質溶液的ph值、聚合物基體的結構等因素對金屬銅在溶脹陰極膜中的沉積分佈以及結晶的形態的影響。
  20. Re also enhanced the deposition potential, polarizability and cathode overpotential of the baths, changed the result of chemical deposition reactions and actuate the deposit of cobalt alloy. and the chemical deposit co - b - re, co - ni - p - re alloy include re which electrode potential is much more negative was obtained. the structure of co - b - re was composed of microcrystal

    Re還提高了鍍液的靜止析出電位、極化度和陰極過電位，改變了化學沉積反應的強弱次序，加強了鈷基合金的析出反應，成功地獲得了含電極電位較負的re （ la ， ce ， y ）的化學沉積co - b 、 co - ni - p薄膜。
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