電極化性 的英文怎麼說

中文拼音 [diànjíhuàxìng]
電極化性 英文
electric polarizability
  • 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...
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 極化 : [物理學] polarization; overpotential; overtension; polarity極化器 polarizer; 極化強度 intensity o...
  1. Electrode materials have effects on properties of electrochemical capacitor, many carbonaceous materials such as active carbon, pyrolytic carbon, active carbon fiber and carbon nanotube were mainly used in electric double - layer capacitor. because of synthetic conditions and cost, we studied their electrochemical properties of electronic double - layer capacitor that pyrolytic carbon was used as their electrode materials

    電極材料是影響電化學電容器性能的主要因素之一，應用於雙電層電容器的電極活性物質主要是各種碳材料，如各種活性炭、熱裂解碳、碳纖維、碳納米管等，考慮到合成工藝和成本因素，我們採用熱裂解碳為雙電層電容器的電極材料，並研究了它們的電化學性能。
  2. The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200

    確定了制備空氣電極的優化工藝條件，催化層中ptfe含量約20 ， mno _ 2的最佳含量約為20 ，催化層中活性炭和乙炔黑的比例為4 ： 1 （質量比） ，厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ，以無水硫酸鈉作為造孔劑，厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式，冷壓成型，熱處理對空氣電極的性能影響較大，熱處理溫度不低於200 。
  3. The flow characteristics, distributions of current density and chemical components, and the performance of these two different designs are calculated and compared. the flow and mass transport characteristics are analyzed in detail, which indicate that strong forced convection is produced in the interdigitated flow field, which consist of dead - end gas channel that force the gases through the porous electrodes. results of comparison show that forced convection induced by the interdigitated flow field in the diffusion layer effectively enhances mass transport of reactants and products, thus leading to a higher cell performance and the limiting current density

    在傳統流道設計的pemfc中，反應物從流道到催化層的供應和生成物從催化層到流道的排出主要是以擴散為主，而在交叉梳狀流道設計中，以流動帶動的對流傳遞則占據了主導地位，而且這種以對流為主的傳遞機理大大提高了反應物和產物傳遞速率，從而有效地改善了電池的極限電流密度和極化性能等特性。
  4. Preparation and analysis of the electro - catalytic characteristics of doped pbo2 ti electrodes

    電極的制備及電催化性能分析
  5. In the framework of the long - range interaction, we study the interfacial effects on the pyroelectric and dielectric susceptibility of a ferroelectric bilayer for the first time. we find that the quantum effect can lead to the disappearance of some of the peaks of the pyroelectric and susceptibility of the bilayer

    我們首次在長程相互作用的框架內，考察了界面對雙層膜的熱電、介電等物理性質的影響，且量子效應的增強會導致鐵電雙層薄膜的熱電系數和介電極化率的某些峰的消失。
  6. 1. capacity and discharge efficiency of polyacene capacitors were systematically studies and electrolyte is aqueous and aqueous solution a series of pristine sample were prepared by pyrolysis of phenol formaldehyde resin moulded with znc, this inorganic salt used together with the resin served not only as the pore - forming agent to form open pores, which grow into a three - dimensional network structure in the cured material, but also as the microstructure - controlling agent to form a loose structure dopable with bulky dopants such as bf4 and so on

    首次系統地研究了聚並苯導電材料作為雙電層電容器的電極活性材料時，在水系和非水系電解質中的容量及庫侖效率。用化學方法合成可溶性酚醛樹脂，加入的zncl _ 2在聚並苯的制備過程中既是成孔劑，使在處理的材料中形成三維網狀微孔，同時它又是微孔控制劑，形成能被bf4 -等體積較大的摻雜劑所摻雜的疏鬆結構。
  7. The results show that mno which not be modified can not be use as electrode active materials because of its poor electrochemical activity. meanwhile, the rechargeabilify of mno modified by bi and pb is improved. bismuth could prolong the second electron equivalent discharge and lead could improve the first electron equivalent discharge performance

    I44 ）對熱分解產物進行了充放電，循環伏安，恆電流極化， tafe曲線分析，交流阻抗分析，得出未摻雜的mno直接作為電極活性材料，其電化學活性很差，但通過摻bi ， ph進行改性，提高了其可充性， 1的影響主要在於第二電子放電， ph則可以延長第一電于放電
  8. The properties of air electrode and catalyst were investigated by measuring the curve of steady - state polarization

    實驗採用恆電流的穩態極化曲線來考察催化劑和空氣電極的性能。
  9. A building coating was made from latex, the powder and other stuffings. the coating could effectively induce negative air ion through the water molecular colliding the tourmaline particle surface in the coating

    利用電氣石電極特性，電解水分子，以稀土氧化物為電氣石粉體的分散劑開發了高效產生空氣負離子材料及空氣負離子內墻塗料。
  10. The endurance function of the insulation field is widely concerned in the power system. according to the equality between the two dimensional weibull distribution and the law of electrical aging, after the method for estimation of the voltage endurance coefficient is presented by the maximum likelihood estimation and the minimum square estimation of the two dimensional weibull distribution parameters, on the basis of the analysis of the test disadvantages under invariable voltage, the method of obtaining the voltage endurance coefficient under the intension increased by degrees is considered

    電氣絕緣電老化性能是電力系統普遍關注的問題，由於二元weibull分佈與電老化定律在評價絕緣老化特性上存在等價性，本文首先介紹了二元weibull分佈參數採用極大似然法和最小二乘法估計獲得電壓壽命指數的方法，同時在分析其在恆定電壓下試驗容易出現，由於電壓選擇不當導致試驗時間過長現象的基礎上，討論了利用場強遞增方式確定電壓壽命指數的方法。
  11. 3. when table sugar was used as starting materials, it was used and pyrolyzed directly or was first mined with sulphuric acid after surface area of those materials is not larger than that of pas capacity is small in their electric double - layer capacitor, specific surface area has great effect on capacity, the larger specific surface area is, the higher capacity is, . but bulk density will decrease with increase of specific surface area

    當以食糖為熱裂解碳的原料時，採用直接焦化和酸洗焦化兩種方式。所制備的樣品比表面積沒有聚並苯材料的大，在以30 h _ 2so _ 4為電解質的雙電層電容器中，容量相對較小。電極活性物質的比表面積對雙電層電容器的容量有很大的影響。
  12. The flow characteristics, distributions of temperature, potentials, and chemical components in the 3 - d space are obtained by resolving the transport equation set, and coupling the electrochemical kinetics equations

    通過cfd技術求解傳遞方程組，並耦合電化學動力學方程，獲得了電池內的流動、溫度、反應物組分濃度等分佈和電池的極化性能曲線。
  13. The substitution of a - site cation ln can induce significant effect on the magnetization and polarization, nevertheless b - site cation can induce more effect on the polarization of perovskite structure. as a result, the doping of titanate which had typical high dielectric behavior would have significant effect on the research and development of novel multiferroelectric magnetoelectric material

    A位離子ln的取代可以對材料的磁化性能和極化性能產生影響，然而由於b位離子對鈣鈦礦結構的極化可能產生更大的作用，因而具有典型高介電行為的含ti鈣鈦礦結構的引入將可能對新型復鐵電性的磁電子材料的開發研究產生很大的影響並具有非常重要的科學意義。
  14. The features of modified electrode were investigated by cyclic voltammetry and the assay conditions were optimized. the modified electrodes were further covered with nafion membrane that could erase the interference

    和cll的三種鐵氰酸鹽修飾電極的性能及電化學特性，並研究了各種實驗條件對過氧化氫傳感器性能的影響。
  15. Ruo2 activated carbon composites as a positive electrode in an alkaline electrochemical capacitor

    炭釕復合電極堿性電化學電容器的研究
  16. Electrocatalysis for hydrogen evolution reaction on nickel - hydrogen storage alloy composite electrodes prepared by electrodeposition

    儲氫合金復合電極的析氫電催化性能
  17. In this paper, we first investigate the impurity effect ( ba2 + ) on the dielectric and phase transition properties in srtio3 within the framework of the transverse - field ising model ( tim ). then a possible coupling mechanism between the magnetism and dielectric properties in eutio3 is discussed and the magnetic influence on the frequency of the soft - phonon mode is investigated via the heisenberg model, soft - mode theory under the mean field approximation, the second quantization theory and the perturbation theory. and we proceed further investigation on eu1 - xbaxtio3 of

    我們發現baxeul _ xtio3 （ o 『 x 『 0 . 2 ）的介電常數和由內察的偏置場導致的電極化除了隨雜質濃度產生相應的變化，同時在磁和介電性質的藕合作用影響下在低溫下偏離通常的量子順電體行為，在尼爾溫度附近出現異常，且磁場通過對最近鄰自旋關聯的作用來影響介電常數和電極化。
  18. The purpose of introducing ferroelectric polymeric pvdf material was to make use of the remanent polarization of ferroelectric materials and to study the effect of the internal field formed in the device during the device worked. the diodes were driven at constant voltage and were also kept under short - circuit or reverse - bias conditions

    本文將具有特殊極化性能的鐵電高分子材料pvdf引入器件，目的在於利用其電場下其殘余極化特性，研究此種器件工作時形成的內電場情況及其對器件穩定性的影響。
  19. The fuel cells performance of h2 / o2 pemfc and dmfc predicted by models are compared with experimental results respectively, and reasonable agreements are achieved

    比較了估算的極化性能與文獻中的實驗數據，結果表明本文的數學模型能夠很好地模擬電池的工作性能。
  20. This article solves some theoretical problems of electrostatic suspension based on optoelectronic feedback control. the mechanism of electrostatic induction of conductive suspended objects ( cso ) and electrostatic polarization of insulting suspended objects ( iso ) was theoretical discussed. the equations of charge density on the surface of suspended object caused by electrostatic field were developed. we further provided the equations describing the quantitative relationship of electrostatic forces verses the electrode voltages, the electrode area, the suspending gap, and the electric characteristic of suspended object. these equations show that the inducted surface charge density of cso is greater than the polarized surface charge density of iso, as a result, the electrostatic force acting on cso is larger than that acting on iso, as already proved by the experimental results of measured electrostatic forces. this work provided the theoretical equations and the mathematical models for effectively realizing the optoelectronic feedback control of electrostatic suspension

    本文主要討論光電反饋式靜電懸浮的理論問題.研究在靜電場作用下導電懸浮體的靜電感應機制和絕緣懸浮體的靜電極化機理，推導出懸浮體表面的感應電荷或極化電荷的計算公式，以及作用於懸浮體上的靜電懸浮力的計算公式，在理論上揭示了靜電力與電極電壓、電極面積、懸浮間距及懸浮體電學特性等因素之間的關系.結果表明，導電懸浮體表面的感應電荷量比絕緣懸浮體表面的極化電荷量多，因此前者所受的靜電懸浮力比後者大，但兩者均可實現靜電懸浮，這些結論與實驗結果完全符合.本文工作為實現靜電懸浮的光電反饋控制提供了理論依據
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