陰極電流密度 的英文怎麼說

中文拼音 [yīnjídiànliúmìdù]
陰極電流密度 英文
cathode current density
  • 陰 : Ⅰ名詞1 （中國古代哲學認為宇宙中通貫物質和人事的兩大對立面之一） （in chinese philosophy medicine ...
  • 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...
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  2. 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。
  3. The optimal cp potential shifted to negative direction in seamud containing active srb, - 1030 mv ( vs. saturated cu / cuso4 electrode, cse ) or lower potential was needed. accordingly, the cp current density was about 11 ma / m2

    在srb存在下，最佳陰極保護電位移向更負的值， - 1030mv （相對銅/硫酸銅電極， cse ）甚至更低的電位是需要的。在- 1030mvcse保護電位下，保護電流密度約為11ma / m2 。
  4. Alcl3 + lialh4 system conforms to the relation of current efficiency and cur rent density of complex electrolysis lead to uniform distribution at cathode plate

    Alcl _ 3 + lialh _ 4體系符合絡合物電解中電流效率與電流密度的關系，使鋁鍍層在陰極上的分佈趨于均勻。
  5. 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。
  6. 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。
  7. The experiment result shows that the operating conditions have a significant effect upon the chromium content, and it increased with the raise of current density and ph value, but decrease with the temperature raise of the bath

    溫度、 ph值、陰極電流密度對鍍層中鉻含量的影響較大。試驗結果表明：降低溫度、提高ph值和陰極電流密度有利於提高鍍層的含鉻量。
  8. Based on some discussions on the mathematic model set up for the cathodic protection potential field, a two - dimensional boundary element method ( bem ) is developed, and by using which, a study on the shielding effect resulted from some typical inner structures such as the reinforcing elements and the partition walls with man holes on distribution of potential and current density in the cathodic protection is performed. the investigated parameters which affect the shielding effect in the calculating model include : the height and thickness of the reinforcing elements, the distance between the anode and the reinforcing elements, and the diameter of man hole on the partition walls, and so on

    本文在討論了陰極保護電位場問題的數學模型的基礎上，以二維邊界元法對陰極保護問題中的電位及電流密度分佈進行了模擬計算，重點對船舶壓載艙中的典型結構如加強筋、人孔等在陰極保護中所產生的屏蔽效應進行了分析和研究，通過對不同高度、厚度的擋板及不同孔徑的帶孔板所產生的屏蔽效應進行模擬計算，首次得到了一些對實際工程設計具有重要參考意義的見解。
  9. In contrast with conventional thermo - ionic cathode, field emitter array ( fea ) cathode has many special advantages, such as room - temperature operation without a cathode heater, high current density, low power dissipation, excellent on / off isolation characteristics and instant turn - on characteristics

    與傳統的熱陰極相比，場發射陣列陰極具有許多獨特的優點，如無需加熱，可以在室溫下工作;電流密度比熱陰極高幾個數量級，並可工作在低電壓調制下;功耗低;極好的開關特性;可瞬時啟動等。
  10. Scandate cathode has outstanding properties of high emission at low work temperature. it ’ s the only thermionic cathode which can suffice to the development of new electronic device ’ s requirement

    含鈧擴散陰極具有極其優異的低溫高電流密度的電子發射的能力，是目前唯一能滿足新型電子器件發展要求的熱陰極材料。
  11. The prepared thick porous silicon layer as the cathode is applied about 10ma / cm2 current in mixture of ethanol, hf and hicb solutions, which is expected to improve the stability and the smoothness of the surface and the mechanical property of the porous silicon thick layers

    在乙醇、氫氟酸、過氧化氫溶液中，多孔硅樣片做陰極施加電流密度為10ma cm ~ 2 ，實驗獲得了穩定性好、表面光滑及機械特性良好的多孔硅厚膜。
  12. Recently, a number of experiments and theoretical researches have showed that diamond thin films ， especially nanocrystalline diamond thin films, could emit electrons at very low fields, and be well suited for field emission cold cathode which is applied in many field emission applications, such as microwave vacuum devices and field emission displays

    近年來，國內外不斷有實驗和理論研究表明，金剛石薄膜特別是納米晶金剛石薄膜，在低的開啟電壓作用下，即可獲得很高的場致發射電流密度，具有十分優秀的場致電子發射特性，是一種理想的場致發射陰極材料。
  13. With the development of high power microwave tube, the theoretical and experiment investigation of the high performance cathode have been conducted. the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission, the measurement of the inner and surface fine structures of the cathode, the discussion of emission mechanism of thermionic cathode. after a lot of experiment, we finally determined the cathode preparation with an excellent emission

    為了適應大功率微波管的發展，本文展開了對高性能（大電流密度、長壽命）陰極的研究，研究工作包括陰極制備工藝、鋇鎢陰極基金屬對陰極發射性能影響、以及鋇鎢陰極基底內部結構無損檢測及表面形貌檢測、鋇鎢陰極發射機理探討及應用四個方面的實驗和理論的研究。
  14. The density of its field emission catelectrode tip is about 24000tip / mm2, the onset emission voltage is 0. 5 ~ iv, the backward voltage is larger than 25v, the current of single tip is 0. 2na, the sensitivity is 98. 5mv / bar

    其場致發射陰極錐尖陣列密度達24000個mm ~ 2 ，起始發射電壓為1 5v ，反向電壓25v ，當正向電壓為5v時，單尖發射電流為0 . 2na ，壓力靈敏度為98 . 5mv bar 。
  15. The hardness and corrosion resistance were evaluated by, the anticorrosion mechanism was also discussed by xps as well. the composited content of particles in coating was high when 0. 5 % super - 3900 was added into al2o3 suspention before plating the composited content increased with the increase of al2o3 concentration in plating solution and the time of stirring before plating and increased as a peak curve with plating temperature, cathodic current density and ph value

    超分散劑super - 3900加入量為0 . 5 % ，對al2o3懸浮液分散后加入時，獲得的鍍層復合al2o3含量高，並隨著鍍液中al2o3含量、鍍前攪拌時間增加而增加，鍍層中al2o3含量隨著施鍍溫度、陰極電流密度、 ph值的增加呈先增加后減少的變化。
  16. Abstract : in the paper a kind of new idea based on electric field theory is advanced, which is used in research of forming law of electrochmeical perforation with fixed cathode. according to it, the changing law of electric intensity, current density, velocity of perforation in ecm on the machined surface are presented

    文摘:根據電場理論，提出了一種研究固定陰極電化學射孔成形規律的新的處理方法，分析了該加工方式下陰極表面電荷密度及加工區的電場強度、電流密度、加工速度等在加工過程中的變化規律，為這種簡易加工方式的合理應用提供了嚴密的理論依據。
  17. Using field emission cathode, x ray source can be made with several advantages : smaller volume and brighter, high frequency response, in - time turning on, etc. considering of the merits and potential markets, researching and fabricating miniature x - ray source is meaningful

    由於突起數目大且尖端頂端電場強度高，因此產生很大的場發射電流密度。採用場發射陰極的x射線光源具有體積小，輻射強度高，頻率響應快，可以隨時開啟，無需預熱的優點。
  18. Calcareous deposits are usually formed on cathodically protected steel surface in sea water, and their importance in reducing the current requirement to maintain adeguate protection is generally recognized

    摘要鈣質沈積通常會在陰極保護的海水結構物上沈澱，而減少要達保護電位所需的電流密度。
  19. A novel patterning technology of fine - pitched carbon nano tubes pixels on photo resists layer has been developed by lift - off process. another new sealing technology named flat panel sealed method in vacuum chamber for fed or other electro - vacuum devices has also been developed. the screen printed carbon nano tube field emission display device fabrication process has been set up and a 2

    建立了一種採用光刻膠作掩模的直接剝離方法，並可獲得高密度線條分佈的碳納米管冷陰極；建立了一種電真空器件的真空原位平面封裝方法；建立了一整套較為完善的碳納米管場發射冷陰極印刷制備及場發射顯示器件制備的工藝流程，並成功獲得2 . 2英寸碳納米管動態顯示原理型樣機。
  20. The results showed air electrode ( 1cm2 ) which had been optimized exhibited good performance that short circuit current of aluminum / air battery was as high as 380ma and the polarization potential was diminished from 0. 259v to 0. 212v at 60ma / cm2 when the concentration of salt electrolyte was 2mol / l

    以2mol / l的食鹽溶液為電解液，採用優化工藝制備的空氣電極為陰極（ 1cm ~ 2 ） ，鋁合金為陽極，測得電池的最大短路電流超過380ma 。在電流密度為60ma / cm ~ 2時，極化電位為0 . 212v ，與優化前所制備的空氣電極相比，極化電位降低20 。
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