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幻雪之戀銅蟲 (初入文壇)
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[求助]
求翻譯為中文
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| The anticorrosive performance of two inhibitive pigments, zinc chromate and zinc phosphate, was compared using electrochemical mpedance spectroscopy (EIS) and the scanning vibrating electrode technique (SVET) in pigment extracts in 0.1 M NaCl. It was observed hat zinc was protected from corrosion in both extracts. In tests using hot dip galvanised steel painted with an epoxy primer incorporating the pigments, the SVET detected the anodic and cathodic distribution along the scribes, although no significant differences were observed among he various primers. On the contrary, EIS was able to distinguish processes occurring on the metal surface exposed by the scribe in different samples. For primers with anticorrosive pigment, a time constant at high frequencies was attributed to a layer of protective nature, probably formed by metal ions from the substrate and inhibitive ions leached from the anticorrosive pigments. |
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phu_grassman
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幻雪之戀: 金幣+30, 翻譯EPI+1, ★★★很有幫助 2014-04-29 09:03:45
幻雪之戀: 金幣+30, 翻譯EPI+1, ★★★很有幫助 2014-04-29 09:03:45
| 通過電化學(xué)阻抗譜（EIS）和掃描振動參比電極（SVET）技術(shù)比較研究了兩種防銹涂料鉻酸鋅和磷酸鋅在顏料提取物的0.1M NaCl溶液中抗腐蝕性能。研究發(fā)現(xiàn)Zn在兩種提取液中均不發(fā)生腐蝕。對涂有環(huán)氧樹脂底漆的熱鍍鋅鋼進(jìn)行測試，SVET檢測了刮痕處的陽極和陰極分布，并沒有觀察到不同的底漆間存在明顯的差異。相反，EIS能夠區(qū)分不同樣品中劃痕處暴露的金屬表面的反應(yīng)過程。對于涂有底漆的抗腐蝕顏料，在高頻處的時間常數(shù)可歸因于基底上金屬離子和抗腐蝕顏料中過濾出來的抑制性離子形成的保護(hù)層。 |
2樓2014-04-29 08:51:18
幻雪之戀
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