Refinery dry gas is an important chemical feedstock and fuel.

炼厂干气是重要的化工原料和燃料.

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As chemical feedstock, methanol can be used to produce dimethyl ether, ethylene, formaldehyde and various derivatives.

分析了甲醇作为化工原料可生产二甲醚 、 乙烯 、 甲醛和各种衍生物.

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Physicochemical properties , chemical composition and main characteristics of lard as chemical feedstock were introduced.

介绍了猪油的理化特性 、 学组成及猪油作为工业原料的主要特点.

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