主要阐述了当量品位的概念、主要工作方法及影响当量品位法二次圈定矿体的各方面因素。
Concept of grade equivalent, major working methodology and factors impacting secondary orebody outlining by grade equivalent are described.
目的：监测放射科医师个人剂量当量，评价与分析放射防护效果和影响因素。
Objective: to surveil the individual dose that the X-ray doctors received from radiation, evaluate and analyse the effect of preventing radiation and the affecting factors.
研究分析了天然气再燃效果的影响因素：包括天然气投入的比例、空气的化学当量比、再燃区的温度、烟气在再燃区的停留时间等。
The factors that impact the reburning effectiveness are analyzed, such as the natural gas percentage of boiler heat input, air stoichiometry, reburn zone temperature and residence time etc.
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