工业上去除杂质元素的方法主要有氯化精炼法和氧化精炼法。
The methods of removal such impurities as al and Ca include chlorination and oxidation refining process industrially.
钢铁制造商还广泛使用氧或富氧空气来影响同除碳和其它氧化反应相联系的化学精炼和加热。
Steel and iron manufacturers also extensively use oxygen or oxygen-enriched air to affect chemical refining and heating associated with carbon removal and other oxidation reactions.
根据能量平衡原理，建立了基于预热燃烧风富氧下铜精炼阳极炉高温烟气热损失数学模型，并根据富氧燃烧风对铜精炼阳极炉氧化期高温烟气热损失数学模型进行计算。
A mathematical model of heat loss of high temperature smoke vented from rotary anode furnace in copper refining based on warm-up burning air was established based on principle of energy balance.
研究了复合精炼对铝硅合金熔体的净化效果，并介绍了铝硅合金熔体中主要氧化夹杂物与气体的存在形态及其相互作用。
The purification effect of Al-Si melt by composite refining technique was studied, the main existing form and its interaction of inclusion and gas in Al-Si melt were introduced.
且铜精炼氧化过程炉膛具有很大的热惯性，这直接导致炉膛烟气温度动态响应速度很慢、动态过程时间很长的现象出现。
Furthermore, the value of heat inertia in the hearth of copper refining rotary anode furnace in the reduction phase is so big that smoke temperature change can not quickly respond to the disturbance.
论文主要对龙虾头中虾油的提取、精炼和氧化稳定性进行了研究。
This paper studied the extraction, refining and antioxidation stability of crawfish oil from crawfish head.
所以，为使精炼渣系具有良好的发泡性能，渣中氧化亚铁含量应小于1％，最好小于0．5％。
In order to maintain the excellent foaming property the content of ferric oxide in the refining slag should be controlled under 1. 0%, and lower than 0. 5% much better.
根据能量平衡原理，建立了基于燃烧风预热下铜精炼阳极炉重油流量数学模型，并根据不同预热燃烧风温度对铜精炼阳极炉氧化期重油流量数学模型进行计算。
A mathematical model of heavy oil flux about rotary anode furnace in copper refining based on warm-up burning air was established based on principle of energy balance.
根据能量平衡原理，建立了基于燃烧风预热下铜精炼阳极炉高温烟气热损失数学模型，并根据不同预热燃烧风温度对铜精炼阳极炉氧化期高温烟气热损失数学模型进行计算。
A mathematical model of heat loss of high temperature smoke vented from rotary anode furnace in copper refining based on warm-up burning air was established based on principle of energy balance.
高氧化性炉渣进入钢中，不但抑制钢包精炼的脱S反应，而且大大增加了钢中氧化物夹杂。
The entrapment of high oxide slags in the liquid steel will not only check the desulphurization behavior in the ladle refining but also greatly increase the oxide inclusions in steel.
论文主要对龙虾头中虾油的提取、精炼和氧化稳定性进行了研究。
Study on shrimp head's enzymolysis and shrimp flavor essence synthesized by reaction;
论文主要对龙虾头中虾油的提取、精炼和氧化稳定性进行了研究。
Study on shrimp head's enzymolysis and shrimp flavor essence synthesized by reaction;
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