随着焙烧气氛中氧含量的增加，焙烧产品将因氧化而导致质量逐渐变差。
With the oxygen increase in the roasting atmosphere, the product quality degrades because of oxidation.
在菱铁矿完全分解之后，氧化程度是焙烧效果的主要影响因素，延长焙烧时间会使焙烧产品质量下降。
After the siderite is fully decomposed, oxidation degree will be the main factor influencing the roasting effect and a roasting time increase would lead to a reduced product quality.
工业氧化钼是经过采矿、选矿、焙烧等一系列工序之后的产品。
Molybdenum oxide is the product by mining, mineral processing and roasting etc.
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