Line or reline furnaces, kilns, boilers and similar installations using refractory or acid-resistant bricks, refractory concretes, plastic refractories and other materials.
使用耐火耐酸砖，耐火混凝土，塑料耐火材料和其它材料，用线标示或重新划线衬炉，窑炉，锅炉和类似装置。
High temperature performance of acid lining of the induction crucible furnace mainly depends on the physical and chemical properties and mineral composition of used refractory.
坩埚式感应炉酸性炉衬的高温性能，主要取决于所用耐火材料的物理、化学性能及矿物组成。
With acid hot-pressure oxidation pretreatment, the gold recovery rate of a certain refractory gold concentrate is raised from 35.6% to 94.3%, comparing to the ordinary leaching process.
采用酸性热压氧化工艺对某难处理金精矿进行预处理，其金回收率可由常规浸出的35.6%提高到94.3%。
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