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wustite中文是什么意思 wüstite 专业辞典 n.f 【矿】维氏体 wüstite f. 方铁矿，沙漠砂wusterwitz武斯特维茨wustermark武斯特马克wustrow (fischland)武斯特罗 (前波美拉尼亚-吕根县)wusterhusen武斯特胡森wustrow (mecklembourg)武斯特罗 (梅克伦堡湖区县)wusterhausen/dosse武斯特豪森wustrow (wendland)武斯特罗wust-fischbeck武斯特-菲施贝克wusu乌苏市 例句与用法 The remaining wustite layer is only a few micrometres thick and highly polished to a smooth surface.Devoid of oxygen, the metal forms a layer of iron-oxide called wustite on its surface.The silicon in the sand reacts with the wustite to form fayalite, which melts just below the welding temperature.In this cycle, water reacts with wustite ( FeO ) to form magnetite ( Fe 3 O 4 ) and hydrogen.In this reducing environment, the silicon in the clay reacts with wustite to form fayalite and, at around, the fayalite will become a liquid.At around, the heat and water from the clay promote the formation of a wustite layer, which is a type of iron oxide formed in the absence of oxygen.The magnetite / wustite redox cycle was first proposed for solar application on earth by Nakamura, and was one of the first used for solar-driven two-step water splitting.Each roller brush spins against the steel at a speed of 900 to 1000 revolutions per minute, " scrubbing away " the outer layers of mill scale hematite and magnetite and most of the inner layer, wustite.More recently, it has been proposed the in situ production of oxygen, hydrogen and CO from the martian hematite deposits via a two-step thermochemical CO 2 / H 2 O splitting process, and specifically in the magnetite / wustite redox cycle.The exact metallurgical phenomenon underlying this transformation of the surface to make it more rust resistant is not fully understood; however, it is theorized that the remaining wustite layer ( chemical symbol FeO ) contains a much lower proportion of oxygen than the removed hematite and magnetite layers and is, therefore, more stable and less prone to oxidation when exposed to a noncondensing atmosphere.
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