陰電位 的英文怎麼說

中文拼音 [yīndiànwèi]
陰電位 英文
electronegative potential
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  1. 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:鍍液的極極化過和極化度降低,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。
  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池( dmfc )極氧氣的傳遞和化學反應過程,研究了過-流密度曲線受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. Under typical discharge condition, the substrate floating potential is - 5v as the arc source is floated to the ground, but drops to - 60v in the case of the anode being grounded

    在典型的放條件下,當陽極接地時,基片臺懸浮最高達- 60v ,而當極接地或弧源懸浮時,該通常只有- 10v左右。
  4. Products : rectifers, high silicon cast iron anodes, mmo anodes ( rod, tubularribbon ), titanium conductor bar, sacrificial anodes ( aluminum, magnesiumzinc ), magnesiumzinc ribbon anodes, zinc grounding cell, reference electrodes, test postjunction boxes, thermite ( corrtech exothermic weld metal ) mold, cathodic protection system utilizing solar energy, cp data remote monitoring system, and other accessories

    我們的產品:恆儀、高硅鑄鐵陽極、鈦基混合金屬氧化物陽極(帶狀、棒狀、管狀) 、鈦導片、鋅合金陽極、鎂合金陽極、鋁合金陽極、鋅帶鎂帶、長效硫酸銅參比極、高純鋅參比極、鋅接地池、極保護測試樁、鋁熱焊模具和焊劑、太陽能極保護系統、極保護參數遠程監測控制系統等全系列極保護系統配套產品。
  5. 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,最佳極保護移向更負的值, - 1030mv (相對銅/硫酸銅極, cse )甚至更低的是需要的。在- 1030mvcse保護下,保護流密度約為11ma / m2 。
  6. Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel

    由於十二相發機中四個y繞組的中點不等,機內部沒有公共參考點,從而在判斷整流元件導通時,不能象三相同步發機整流系統那樣認為陽極最高或最低的整流元件導通,本文採用了以線壓代替相壓建立十二相整流發機的數學模型,從而解決了十二相發機無公共參考點的問題。
  7. The stronger the complexing agent, the more negative the initial potential on which nickel ion discharges

    絡合劑對鎳離子的絡合能力越強,鎳極還原的起始越負。
  8. Least sweep voltammetry method was employed to study h2po2 - anodic oxidation and ni2 + cathodic reduction in electroless nickel plating solutions containing different complexing agents

    運用線性掃描法,研究了含有不同絡合劑的化學鍍鎳溶液中鎳離子極還原行為和次磷酸鹽陽極氧化行為。
  9. For the cathodic process it is likely that there exists a coupling between ni2 + discharge and hydrogen evolution. hydrogen evolution on working electrode should have masked the nickel ion reduction peak in lsv curve

    對于極過程,鎳離子放和氫氣析出過程存在耦合,氫氣的析出可能掩蓋了線性掃描曲線上鎳還原的流峰。
  10. Solid astra luoyang fire of anti - corrosion materials engineering limited, founded in 1993, is the collection of china ' s famous anti - corrosion materials research and production and fire at the scene for the construction of an integrated enterprise, in addition to fire anti - corrosion coating production, but also professional cathodic protection system for the production of various sacrificial anode and supporting materials, products including magnesium - based, zinc - based, aluminum sacrificial anodes, with magnesium, magnesium rod, with zinc, titanium / mixed metal oxide anode zone, a titanium, astm265, high silicon anode cast iron, steel or cement testing poles, various reference electrode welding mode and flux, mandatory current cathodic protection act by magnetic saturation potentiostatic yee

    洛陽固雅特種防腐防火材料工程有限公司成立於1993年,是國內著名的集防腐防火材料科研生產和現場施工為一體的綜合性企業,除生產防腐防火塗料外,還專業生產極保護系統所需的各種犧牲陽極和輔助材料,產品包括鎂基、鋅基、鋁基犧牲陽極、鎂帶、鎂棒、鋅帶、鈦/混合金屬氧化物陽極帶、一級鈦、 astm265 ,高硅鑄鐵陽極、鋼制或水泥測試樁,各類參比極、焊模和焊劑,強制流法極保護用磁飽和恆儀等。
  11. At first, a two - dimensional across - the - channel mathematical model for simulation of a direct methanol fuel cell is described. the model accounts simultaneously for electrochemical kinetics, hydrodynamics, and multicomponent transport, and fully accounts for the mixed potential effects of methanol oxidation at the cathode as a result of methanol crossover caused by convection, diffusion and electro - osmosis

    首先描述了一個用於模擬直接甲醇燃料池特性的垂直於流道的二維數學模型,模型考慮了多組分傳遞、水動力學和化學動力學,並且考慮了甲醇竄流在極產生的混合的影響。
  12. Results showed : ( 1 ) cbt cell death in low tempratures is accompanied by characteristic changes, such as, reduced cell size, distorted nucleus, chromatin condensation and margination and cell ( cytoplasmic ) vacuolization ; cell mortality and ca2 * concentration increase along with time passed in low temperature. mitochondrial membrane potential and 02 increased at first, and then decreased. activities of sod decreased at first, followed by significant increasing and finally depressed

    結果表明: ( 1 ) cbt在低溫協迫下,細胞圓縮,細胞核變形,染色質濃縮且邊,細胞質空泡狀;細胞死亡率隨處理時間的增加而增加;細胞內鈣離子濃度隨處理時間延長而遞增;線粒體膜差在低溫處理早期急速上升,隨后一直下降;細胞內超氧離子( o _ 2 ~ - )在低溫處理前期出現高峰,接著呈下降趨勢;細胞內sod活性在低溫處理前期減弱,接著上升,然後持續下降。
  13. 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

    模型顯示在低放流密度下,甲醇穿透顯著地增加了極過,降低了壓;但在高流密度下,甲醇穿透對池性能的影響不顯著。
  14. 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極過?流密度的曲線和pemfc極伏安曲線受極結構參數變化的影響程度。
  15. 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,極過降低了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極過590mv 。在這個體系中,青蒿素在碳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。
  16. 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池陽極和極的過,分析了各種參數的影響,對極的制備,提高單池的性能,有一定的指導意義。
  17. 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極膜的預乾燥程度、極過解質溶液的ph值、聚合物基體的結構等因素對金屬銅在溶脹極膜中的沉積分佈以及結晶的形態的影響。
  18. 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、極化度和極過,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,成功地獲得了含較負的re ( la , ce , y )的化學沉積co - b 、 co - ni - p薄膜。
  19. 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

    本文在討論了極保護場問題的數學模型的基礎上,以二維邊界元法對極保護問題中的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。
  20. The complexes of schiffbase are not only the carriers of cation on potentiometric sensors but also anticancer drugs. it can induce or cleave dna in the present of cooxidant, and its anticancer effect increase when metal ions complex it

    席夫堿化合物可以作為許多離子型傳感器的載體,同時也是一類具有抗癌活性的化合物,在氧化物存在的條件下,能損傷或者斷裂dna ,與金屬離子結合以後,其抗癌效果增強。
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