harmful oxidation 中文意思是什麼
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Yig and ce : yig precursors were prepared via coprecipitation. by means of improving homogeneity and decreasing synthesis temperature, harmful yfeo3 phase was restrained, the oxidation of ce3 + was under control, and pure phase yig and ce : yig ( x = 0. 2 ) were obtained
採用共沉澱法合成yig及ce ： yig前驅體，通過提高組分均勻性、降低煅燒溫度等手段，有效地抑制了yfeo _ 3雜相的生成和ce ~ （ 3 + ）離子的氧化，合成了單相yig和ce ： yig 。 -
4 castables for blast furnace trough has strong resistance to erosion of hotnetal and slag with good thermal shock resistance and low reheating linear change rate, strong anti - oxidation ability, easy for construction and sticky to slag and convenient for repairing and disinantling. no harmful gas formed and beneficial to environmental protection
4 ，高爐出鐵澆注料具有：耐鐵水和渣的侵蝕，抗沖刷能力強，熱震性好，抗氧化能力強，易施工，不粘結渣鐵，便於修補和拆除，不產生有害氣體，有利環保。 -
Emhydr hr oils have excellent oxidation stability and demulsibility, enabling ready separation of entrained water and giving long life without formation of harmful sludge
Emhydr hr具有優異的抗氧化與抗乳化性，能輕易祛除水份，經久使用而不會生成油泥。
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