mechanism of surface corrosion 中文意思是什麼
mechanism of surface corrosion
解釋
表面腐蝕機理-
The relationship between capacitance and corrosion conditions in the enlargement of tunnels justifies the latter competition mechanism the varied etching conditions were implemented by enhancing the passivating characteristics and viscosity, changing the a13 + concentration, temperature of etchants and current pulsation. passivating acid in the etchant is conducive to the instant passivation of exposed areas on the foil surface, and hence sustains the balance of competition between aggressive anions and passivators, providing pit nucleatiori sites continuously
通過侵蝕液中添加草酸、硫酸、乙二醇，改變侵蝕液al ~ （ 3 + ）濃度和電流紋波等方法，研究了不同的侵蝕條件對隧道孔形貌和比容的影響，結果表明：草酸和硫酸既保護了鋁箔表面又促進了隧道孔孔壁的迅速鈍化，增加發孔密度。 -
Oxidation erosion, liquid aluminum erosion and the erosion mechanism of grey cast iron crucible for aluminum melting were described in detail. the methods such as alloying of as - cast surface for improving oxidation resistance of the grey cast iron crucible and both composition adjustment and infiltration protection for improving liquid aluminum erosion resistance of the crucible were introduced. the corrosion resistance and service life of grey cast iron crucible were improved effectively with these methods through decreasing various channels of erosion developing from the surface to the inner of crucible
詳細論述了熔鋁灰鐵坩堝的氧化腐蝕、鋁液腐蝕及其腐蝕機制，介紹了能夠提高灰鐵坩堝抗高溫氧化能力的鑄態表面合金化法和能夠提高灰鐵坩堝抗鋁液腐蝕能力的調整成分法與浸滲保護法，這些方法通過減少腐蝕由坩堝表面向基體內部發展的各種「通道」 ，有效地改善了灰鐵坩堝抗腐蝕性能，提高了坩堝使用壽命。 -
Abstract : oxidation erosion, liquid aluminum erosion and the erosion mechanism of grey cast iron crucible for aluminum melting were described in detail. the methods such as alloying of as - cast surface for improving oxidation resistance of the grey cast iron crucible and both composition adjustment and infiltration protection for improving liquid aluminum erosion resistance of the crucible were introduced. the corrosion resistance and service life of grey cast iron crucible were improved effectively with these methods through decreasing various channels of erosion developing from the surface to the inner of crucible
文摘:詳細論述了熔鋁灰鐵坩堝的氧化腐蝕、鋁液腐蝕及其腐蝕機制，介紹了能夠提高灰鐵坩堝抗高溫氧化能力的鑄態表面合金化法和能夠提高灰鐵坩堝抗鋁液腐蝕能力的調整成分法與浸滲保護法，這些方法通過減少腐蝕由坩堝表面向基體內部發展的各種「通道」 ，有效地改善了灰鐵坩堝抗腐蝕性能，提高了坩堝使用壽命。 -
Corrosion mechanism and surface protective technology of sintered nd - fe - boron permanent magnetic material
燒結釹鐵硼永磁材料腐蝕機理與表面防護技術 -
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。 -
The paper briefly introduces the work mechanism of heat pipe and heat pipe heat exchanger, the application of heat pipe heat exchanger in industrial recovery of waste heat, and the effective measures to prevent the problems such as ash accumulated on surface of heat pipes and sulphuric acid corrosion at low temperature during the running period of heat pipe heat exchanger
摘要簡要介紹了熱管及熱管式換熱器的工作原理，熱管式換熱器在工業余熱回收中的應用，以及熱管式換熱器運行過程中防止積灰和低溫腐蝕等問題的有效措施。 -
The corrosion resistance of uranium surface treated with supercritical carbon dioxide ( scco2 ) has been studied by weight gain method and electrochemical method. the reaction product and surface element species have been studied by x - ray diffraction ( xrd ) and auger electron spectroscopy ( aes ) methods. the interaction mechanism of supercritical carbon dioxide with uranium surface by thermodynamics method was also studied
本論文用重量法、電化學研究方法評價了金屬鈾經超臨界co _ 2處理后的表面抗腐蝕性能，用aes 、 xrd等分析手段研究了超臨界co _ 2與金屬鈾表面的相互作用機理，並從熱力學角度對超臨界co _ 2與金屬鈾反應的可能性進行了研究。 -
It is suggested to use modern advanced analysis and test technologies to study the action and mechanism of corrosion inhibitors on copper surface and enhance the study on combination technologies, medicine addition order, green environmental protection
認為應利用現代先進的分析測試技術從分子和原子的水平上研究緩蝕劑在銅表面的行為和作用機理，加強現有緩蝕劑品種的復配技術、加藥順序和綠色環保型緩蝕劑研究。 -
This paper introduces the mechanism of corrosion by chloride and the protective methods for reinforcement in concrete structures in the ocean environment the concrete surface of the shantou gulf bridge is coated with the protective coatings according to the theory of corrosion protection
介紹海洋環境中氯化物作用下鋼筋混凝土結構中鋼筋的腐蝕機理、防腐措施和汕頭海灣大橋混凝土表面的防腐塗裝實踐
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