It is the problem for direct reduction process with oxygen enriched gas generated from solid fuel to produce qualified reduction gas.
制取合格的还原煤气是富氧煤气化直接还原竖炉新工艺的技术关键。
The dried off gas is mixed with oxygen enriched gas from the original source, and the resulting mixture is delivered to the ozone generator for the production of more ozone.
干燥后尾气与富氧气体混合从原始来源，产生的混合物被传递到了更多的臭氧生产臭氧发生器。
Methods to define the laneways loose zone of thick coal seam with enriched gas and spontaneous combustion is studied in the article and define the rational the length of sealed borehole.
研究了铜川矿务局下石节煤矿高瓦斯油气共生易自燃厚煤层巷道松动圈的范围，确定合理封孔长度。
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