electrochemical means 中文意思是什麼

electrochemical means 解釋
電化學方法
  1. Electrochemical means including dipole induction and flocculation were found to be able to decolorize dye - stained white water, but was less effective toward the decolorization of bleaching effluent

    電化學方法如偶極化浮除處理可有效脫除大紅色紙白水;惟對漂白廢水脫色效果不著。
  2. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法,對國內外多種典型石墨樣品的結構與性能進行比較,研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響,確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  3. This paper researches on the practical current and potential distributions on the positive and negative plates of automotive batteries in the course of their formation processes by the means of an in situ electrochemical scan, and then studies the influences of the formation and also the additives on the performance of the automotive plates

    本文利用電化學掃描方法研究鉛酸蓄電池正負極板在化成過程中電流密度和電位分佈及化成對極板電性能的影響。同時分析了正負極添加劑的性質及其對極板性能的影響。
  4. The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered

    氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高,放電容量也趨于平穩,此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響,結果表明:添加適量氧化鑭能明顯改善鋅電極的電化學性能,使鋅電極的還原峰電位正移,電極反應可逆性得到改善,同時也可抑制鋅電極析氫反應的發生,提高了鋅電極的陽極電流,對陽極反應有一定的活化作用;同時還可以改善鋅電極的放電特性,增加電極的放電容量。
  5. By means of the electrochemical measurement, the effect of the metal oxide additives such as pbo, bi2o3, in2o3 and electrolytic additive of : c16h33 ( ch3 ) 3nbr. on the performance of zinc electrode were investigated

    電極添加劑主要考察了pbo 、 bi _ 2o _ 3 、 in _ 2o _ 3三種金屬氧化物對鋅電極性能的影響,電解液添加劑主要考察了十六烷基三甲基溴化銨的添加對鋅電極性能的影響。
  6. 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。
  7. The electrochemical behaviors of zn - in alloy were studied as cathode electrode by means of polarization curves, cv curves, e - logic curves and kinetic parameters of hydrogen evolution. these results were compared with other kinds of electrodes

    用電化學方法測定了鋅銦合金電極的陰極極化曲線,循環伏安曲線、 tafel曲線和電化學穩定曲線,計算了合金電極的析氫反應動力學參數,並與其他電極進行了比較分析。
  8. In the paper, li5mn4o83 + li5mn12o24 -, li5mn16o32 +, li17mn16o329 + clusters selected by " seed atoms " were calculated theoretically by means of the quantum chemical dv - xa calculation method. form the angle of electronic structure, the status of lithium ion and the electrochemical properties of lixmn2o4 were discussed preliminarily according to different conditions ( x = l, 2 ). based on calculation results, it ' s found that the jahn - teller distortion, which was thought to lead to poor cyclability, occurred during the discharge of lixmn204, and we also confirmed the formation of a novel phase with low energy after overdischarge ( x = 2 )

    為了從微觀上認識錳系正極材料的結構和電化學性能之間的關系,本文提出了採用量子化學離散變分x (方法,對結合「種子原子法」選取的li5mn4o83 + 、 li5mn12o24 - 、 li5mn16o32 + 、 li17mn16o329 +等錳系正極材料的原子團簇進行了理論計算,從電子結構上初步探討了鋰離子嵌入正極材料后的存在形式以及鋰離子的嵌入對電極材料電化學性能的影響,同時還從結構上對鋰離子電池的循環性能和容量進行了初步的討論。
  9. 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。
  10. The electrochemical behaviors of dmct on the different current collectors are studied in this paper by means of testing their cyclic voltammogram properties

    本文通過測試dmct單體氧化(聚合)反應的動力學參數,確認其氧化反應為二級反應,還原反應為一級反應。
  11. The effect of sodium carbonate on the corrosion inhibition of aluminum alloy in sodium chloride solution was investigated by sem and electrochemical means

    摘要應用電化學實驗方法和掃描電子顯微鏡( sem )研究了碳酸鈉在氯化鈉溶液中時鋁合金的緩蝕作用。
  12. Its electrochemical properties were studied by means of galvanostatic discharge and linear sweep voltammetry experiments. agcuo _ 2 shows the better discharge property in alkaline electrolyte than emd

    恆電流放電測試結果表明在不同放電制度下, agcuo _ 2的放電容量均遠大於emd的理論放電比容量。
  13. The second chapter shows the synthesis and electrochemical capacitance performance of the mesoporous co ( oh ) 2 in 1 m koh electrolyte. mesoporous co ( oh ) 2 with the high specific area of 283 m2 / g and average pore size of 11 nm by means of the sds as soft template and urea as precipitator was synthesized

    第二章為多孔cooh ) 2的制備及其超電容行為:利用十二烷基硫酸鈉為軟模板,尿素為沉澱劑合成了具有高比表面積( 283m2 / g ) 、平均孔徑為11nm的中孔co ( oh ) 2體相材料。
  14. Nanocrystalline cerium ( iv ) oxide ( ceo2 ) powders were prepared by means of different methods, sol - gel method, precipitation method and electrochemical method. the powders were analyzed by using x - ray diffraction ( xrd ) and transmission electron micrograph ( tem ). ceo2 powders in different ways were compared from shape of particles and preparation technics

    本文主要採用液相法中的溶膠-凝膠法、均勻沉澱法和電化學法制備了ceo _ 2納米粉體,通過x -衍射、透射電子顯微鏡等手段對所制備的納米粒子進行了表徵,並從粒子的形態及制備工藝上進行了比較。
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