在熔炼过程中，矿石将要被加热到几乎摄氏两千度（华氏三千六百度）。
The ore will be heated toalmost 2, 000 degrees Celsius (3, 600 degrees Fahrenheit) during smelting.
这个大型工厂里熔炼矿石。
促进生物降解的另一个应用是从矿石或金属含量很低的不能熔炼的矿渣中回收金属。
Another application of biodegradation enhancement is the recovery of metals from ores and mining tailings with metal levels too low for smelting.
火提供了熔炼矿石的手段。
电弧炉是利用电弧产生的高温熔炼矿石和金属的电炉。
Because of the high temperature of arc, arc furnace is use to melting ore and metal.
经工业分析测得熔炼煤及矿石成分，并通过计算得到相应有效热值、煤气成分与熔炼热。
Components of smelting coal and iron ore were got from technical analysis. Effective calorific value of coal, component of reductive gas and smelting heat of ore were calculated from the analysis.
这种还没有被广泛应用的矿石冶炼方法（高压酸冶炼方法）可较传统的熔炼方法具有节能的特点。
This procedure (high pressure acid leaching), which is not yet used frequently, is especially energy-saving compared to the classical smelting in a rotary furnace.
这种还没有被广泛应用的矿石冶炼方法（高压酸冶炼方法）可较传统的熔炼方法具有节能的特点。
This procedure (high pressure acid leaching), which is not yet used frequently, is especially energy-saving compared to the classical smelting in a rotary furnace.
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