... reduction of dissolved oxygen 溶解氧的还原 reduction of ore 矿石还原 reduction of porosity 孔隙度降低 ...
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reduction of iron ore 铁矿石还原
Reduction of manganese ore 锰矿还原
reduction of iron ore pellet 球团还原
smelting reduction of oxide ore 氧化物矿熔融还原
The smelting reduction process saves energy and lessens pollution through using of ore fines without any pretreatment and agglomeration.
由于使用无需任何预处理和造块的矿粉，熔融还原法既可节能、又能减少污染。
With the reduction of the ore energy, the biomass energy relying mainly on energy plant should be developed, especially the technology of gasification of biomass.
随着矿石能源储量的减少，应大力开发和应用以能源植物为主的生物质能，尤其是生物质的气化技术。
The coarse Al-Si alloy produced by carbon thermal reduction of aluminous ore includes 55% aluminum, 25% silicon and some impurities.
由电热还原法制取的一次铝硅合金含有铝55%，硅25%和一些杂质。
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