Yet these oxides must be stripped of oxygen molecules in the steel-making process, which requires vast amounts of energy.

然而，在制造钢铁的过程中，我们必须将氧化铁中的氧分子分离出来，这一过程需要大量的能量。

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The imbalance between oxygen requirement from Linz-Donawitz process steel-making system and oxygen supply of supporting air separation unit is analyzed.

分析了氧气顶吹转炉炼钢的氧气需求量与所配套空分设备氧气供应量之间的不均衡关系；

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In the process of steel-making, killing oxygen by adding aluminum process is a controlled object whose parameters are distributed and non-linear, and its observed data are discrete.

炼钢生产中，定氧加铝工艺的被控对象具有参数分布、非线性、动态观测数据离散等特征，定氧加铝模型的建立是该工艺的核心。

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