介绍了焦家金矿床的赋存地质条件，划分了工程岩体类型，介绍评价了矿山近年来应用的支护方法。
The geological conditions of Jiaojia Gold Mine are introduced, the types of engineering rock mass are classified and the methods of stope support are evaluated.
煤岩显微组分富集物焦的CO_2反应性与N_2吸附测得的比表面有关。
The CO2-reactivity of char samples fromcoal macerals is related to specific surface area (SN2) measured with N2 adsorption method.
接触变质带可进一步划分为岩焦混杂带、天然焦带、焦化煤带、正常煤带。
The contact metamorphic zone may be further divided into coking coal mixing zone, natural coke zone, coking coal zone and normal coal zone.
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