electrochemical techniques 中文意思是什麼

electrochemical techniques 解釋
電化技術
  1. In this thesis, in order to reducing the amount of the pt catalyst, improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt, the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility. the composite electrode, pt / moox / gc, was characterized to study its composition and its electro chemical behavior by cv. using the xrd and sem techniques, the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst

    為了降低主催化劑pt的用量、提高pt的活性和利用率,本論文利用循環伏安法共沉積制備高分散的pt moo _ x催化劑顆粒,利用循環伏安電化學表徵、 xrd和sem技術研究了引入moo _ x后的催化劑即pt moo _ x顆粒的粒子大小、分散狀態;利用icp - aes定量分析pt moo _ x催化劑顆粒的組成含量;並藉助于電化學方法分別評價了pt moo _ x gc電極催化劑的對甲醇的電催化活性和穩定性、氧還原電催化活性。
  2. 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。
  3. Abstract : the recent progresses of the electrochemical techniques, such as direct electrolysis, indirect electrolysis and electroadsorption, for remediation of organic pollutants in water were reviewed. and the prospective research work was indicated

    文摘:介紹利用直接電解、間接電解和電化學吸附等方法去除水中有機污染物的研究現狀,並指出今後的工作方向。
  4. Electrochemical sensor is quite unique, because it combines the enzyme specificity with the sensitivity and convenience of electroanalytical techniques in a compact form to facilitate analysis

    本文將納米粒子引入酶生物傳感器的制備過程中,主要做了下面兩個部分的工作:第一
  5. 1. polybenzidine ( pbz ) was polymerized by using chemical method in organic system and with ( nh4 ) _ 2s _ 2o _ 8 as oxidant, hclo4 as dopant. the electrochemical behaviors of pbz electrode were studied by cyclic voltammetry, charge - discharge test and electrochemical impedance techniques

    1 .用化學直接氧化法在乙腈溶液中,以高氯酸為摻雜劑制備了聚聯苯胺,用循環伏安,交流阻抗,直流充放電對其電容行為進行了研究,聚聯苯胺電極比電容為150f / g 。
  6. The corrosion test, performed in 5wt % salt fog or with the electrochemical calculation of anodic polarization in 50, g / g potassium chloride aqueous solution, indicates the coatings densification corresponds with their corrosion protection to uranium. the denser the coatings are, the more effective their protection to uranium is. compared with the al coatings produced at - 300v bias voltage and al _ ( 2 ) o _ ( 3 ) coatings produced with ps technique, the al coatings at - 100v and al _ ( 2 ) o _ ( 3 ) coatings with rms and to techniques are denser thus providing a better protection for uranium

    電化學參數計算或鹽霧腐蝕結果表明,鍍層的緻密程度與其對鈾基體的保護性能呈現了較好的一致性:鍍層越緻密,其保護性越好,即- 100v偏壓下的鋁鍍層和rms 、 to法制備的al _ 2o _ 3鍍層;鍍層越疏鬆,其保護性越差,即- 300v偏壓下的鋁鍍層和ps法制備的al _ 2o _ 3鍍層。
  7. For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect

    隨著合成溫度和時間的增加,產物的結構和晶型越趨于完善,但在1100得到的產物有燒結和晶粒增大的現象,恆溫時間超過24h后對材料的性能影響不是很大; li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ,尤其當li mn比為1 . 05 2時,所合成的材料具有較好的電化學性能;通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好,而兩段間隔合成法比兩段連續合成法處理的材料性能更佳;顆粒的粒度隨著球磨時間的延長而減小,比表面昆明理工大學碩士學位論文摘要卻增大,粒度小且分佈范圍窄的材料有利於鏗離子的擴散。
  8. Poly ( diphenylamiline ) ( pdpa ) doped with h _ 3pw _ ( 12 ) o _ ( 40 ) was synthesized in solid - state method. the electrochemical capacitor performances were researched with cyclic voltammetry, charge - discharge and electrochemical impedance techniques. this material has low resistance in 0. 5 mol / l hcl solutions

    我們對聚二苯胺的電化學電容行為進行了研究,磷鎢酸摻雜的聚二苯胺電極在0 . 5mol / lhcl水溶液中電阻較小,具有電化學電容特性。
  9. Application of three electrochemical techniques of direct anodic oxidation, anodic oxidation combined with uv radiation, and cathodic reduction for the abatement of biorefractory pollutants, was explored with o - chlorophenol as model pollutant

    摘要以鄰氯苯酚為模型污染物探討了直接陽極氧化,紫外光輻射聯合陽極氧化和陰極還原3種電化學技術用於難生化污染物的削減。
  10. While testing ofeis at different depth of dischargeand charge - discharge at different charge - discharge rate reveale that, these material indicate lower conductivity at highcharge - discharge rate, resulting in bad electrochemical perforemence. melting - cooling and inorganic sol - gel were adopted, which facility - simpleand operating - easy, to prepare v _ 2o _ 5 xeroxes as positive material of li - ion battery. the comparision of structual and electrochemical performance between thesecathode materials were investigated for the first time. their electrochemicalbehaviorswerestudiedbygalvanostaticcharge - discharge, cyclicvoltammetry ( cv ), and electrochemical impedance spectroscopy ( eis ) techniques. the results indicte the sample that prepared by melting - cooling revealed moreexcellent performance at low charge - discharge rate, which achieved a high initialdischarge specific capacity of approximate 320 mah ? g - 1

    通過各種充放電測試,循環伏安( cv )曲線以及電化學阻抗譜( eis )等測試手段對材料的電化學性能進行表徵,結果發現,在低倍率放電下,熔融淬冷法合成的材料具有更好的電化學性能, 0 . 1c恆流放電至1 . 8v時首次放電容量達320mah ? g - 1 ,並且發現, v _ 2o _ 5作為正極材料組裝成的鋰離子二次電池,除首次循環具有較大的不可逆容量外,其餘循環可逆且容量保持能力較好, 20次循環后,容量只衰減了6 . 40 % 。
  11. A micro - array electrode ( mae ) of gold was designed and factored by microelectronic machining techniques. the electrochemical behaviors of the mae are characterized with cyclic voltammetry

    本論文中還介紹了我們對晶元基體微陣列電極的設計、及其電化學表徵的結果,為電化學方法製作dna晶元的應用和產業化作進一步的探索。
  12. Electrochemical techniques have been used to study the relationships between the synthesis and the electrochemical property of the positive electrode materials. the theoretical analysis for the experimental phenomena has been discussed

    選取優化出的正極材料進行電化學性能測試,對鋰離子的電化學性能與材料制備方面的關系作初步探索,並對實驗現象進行定性的理論分析。
  13. Review of the status quo and progress on treating methods of dyeing wastewater were presented, especially the advanced techniques were introduced, such as membrane extraction, ultrasonic processes, high - energy physical processes, advanced oxidation processes, electrochemical processes, photochemical degradation and efficient bacterium processes

    摘要本文系統地綜述了國內外印染廢水治理現狀和進展,特別是近年來出現的一些新技術,如膜分離技術、超聲波技術、高能物理法、深度氧化法、電化學法、光化學法和高降解菌法。
  14. In the fifth chapter of this thesis, the cyclic voltammetry, and galvanostatic reduction and electrochemical impedance spectroscopy techniques were used to investigate the redox process and reaction mechanism of black nickel formed on anode. moreover, the x - ray diffraction technique was used to examine black nickel species

    在第五章中,通過循環伏安法、恆電流還原法及電化學阻抗譜技術對黑鎳的形成過程及反應機理進行了初步研究,並通過x射線衍射技術對黑鎳的物相進行了表徵。
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