鈍化機理 的英文怎麼說

中文拼音 [dùnhuàjīlǐ]
鈍化機理 英文
mechanism of passivity
  • 鈍 : 形容詞1. （不鋒利） blunt; dull 2. （笨拙;不靈活） stupid; dull-witted
  • 機 : machineengine
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 鈍化 : [化學] deactivation; inactivation; [半] passivation鈍化表面 passivated surface; 鈍化處理 passivate
  • 機理 : mechanisation; mechanization; mechanism
  1. In this paper, the theory of negatively charged surface states is used to investigate dynamic breakdown characteristics and the increase of gate - drain breakdown voltage as well as the reduction of saturated drain - source current after sulfur passivation. the measure which can improve the stability of sulfur passivation is proposed

    本論文通過對gaasmesfet擊穿機理和硫鈍化機理的研究，用負電荷表面態理論，解釋了gaasmesfet動態擊穿特性及硫鈍化后柵漏擊穿電壓增大、源漏飽和電流減小的機理，提出了改善硫鈍化穩定性的措施。
  2. Study on the mechanism about formation of passive film on copper in ch3 nh2 - k3 fe

    鐵氰化鉀拋光液中銅鈍化成膜的機理研究
  3. Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

    鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式；研究得到了減反射膜對太陽電池短路電流增量比的極限；建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。
  4. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型，但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展，說明局部較高的應力三軸度也會使韌窩型機制得以發展，但是不改變試件整體的剪切型斷裂模式；對韌性斷裂的剪切模式的細觀機理做了一定的探討，並且提出了含裂紋構件剪切型斷裂的宏觀判據：認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向（可簡稱為_ （ pmax ）準則） ，集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷；本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果，採用失效評定圖的形式，提出了傾斜裂紋的安全性評定方法的基本框架。
  5. In this paper, based on the previous research result, by using theory of electrochemical mechanism, probability math, reliability theory, basic theory of pre - stressed concrete structures, structure optimum design, theory of control, maintenance strategy decision theory of structures and etc., the research on steel corrosion monitoring method, structural corrosion damage model, reliability analysis, the maintenance and repair method that based on corrosion control, the optimum structural design method of new bridge structures that consider durability and the optimum maintenance strategy decision theory are carried out. 2. corrosion mechanism and monitoring technique it is widely accepted that the corrosion of steel in concrete structure is a electrochemical process, include the formation of anode & cathode area on metal surface and potential difference between different ' area

    本文在已有理論研究的基礎上，針對預應力混凝土橋梁建設及使用中存在的影響結構耐久性的實際問題，綜合運用電化學理論、概率理論、結構可靠性理論、混凝土和預應力混凝土結構基本理論、結構優化理論及控制維修決策等理論和方法，詳細研究了基於電化學理論的鋼筋銹蝕檢測方法、預應力混凝土橋梁結構的腐蝕損傷模型、可靠性分析、基於腐蝕控制的維修方法、橋梁結構方案選型及優化設計以及在役橋梁結構的優化維修決策等問題第二章混凝土結構的腐蝕機理及檢測技術目前普遍認為，結構混凝土中鋼筋的腐蝕是一種電化學的過程，包括在金屬表面形成陽極（腐蝕）和陰極（鈍化）區域以及不同區域間的電位差等。
  6. Wld is a high - temperature anti - sloughing agent, which contains si and organic compound ion. by applying it with polymer drilling fluid in the high - temperature deep well and the well section of heaving mud shale, it can improve the stability of drilling fluid dramatically. and at the same time, it can deactivate the drill cuttings and the wall surface active point to greatly improve the property of rejection and anti - sloughing of the drilling fluid through the physical - chemical action occurring between the special group of molecule vs. drill cuttings and the wall surface

    Wld高溫防塌劑是一種含有si元素和有機復合離子的抗高溫防塌劑，在高溫深井及易垮塌的泥頁巖井段配合聚合物鉆井液使用，不僅可以顯著改善鉆井液的穩定性，而且可以利用分子中的特種基團與鉆屑和井壁表面發生物理-化學作用，使鉆屑和井壁表面活性點鈍化而顯著提高鉆井液的抑制防塌能力。
  7. Key technologies and its mechanism for improving crystalline silicon solar cells in the scale manufacture have been researched in this thesis. after sioa surface passivation and forming gas treatment utilization in the scale manufacture, the surface recombination and series resistance of solar cells have been reduced while their open - circuit voltage, fill factor and efficiency improved

    本論文研究了提高晶體硅太陽電池效率規模化生產工藝技術的主要環節和相關機理，將sio _ 2表面鈍化、 forminggas處理用於規模化生產，降低了太陽電池的表面復合速度和串聯電阻，提高了開路電壓、填充因子和轉換效率。
  8. The penetration mechanism is ductile penetration. the failure models and penetration mechanism vary with the projectile velocity

    對于鈍頭彈侵徹，靶板的破損形式和侵徹機理，隨彈速的變化而不同。
  9. Cyclic voltammetry indicated that the reaction mechanisms of micro - and nc copper are identical, but the anodic peaks current density of nc copper is much lower than that of mc copper. the potentiometric analysis demonstrated that the pitting corrosion seemed to happen earlier on nc copper surface than on the mc surface. the xrd found cu2o on nc copper surface while no oxide was found on mc copper surface

    陽極極化實驗表明，納米晶銅的致鈍電位、致鈍電流和維鈍電流都比微米晶銅要低。循環伏安法表明兩者的反應機理沒有根本的區別，但對陽極電流峰的電流值來說，微米晶要高於納米晶，陰陽極峰的距離來說，微米晶要近一些。
  10. The mechanism for the decrease of saturated drain - source current ( idss ) due to sulfur passivation was also investigated

    這是硫鈍化gaasmesfet擊穿電壓升高的主要機理。
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