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硫酸工业发展史
释义
硫酸工业发展史
Encyclopedia
工学
硫酸工业发展史
释
history of sulphuric acid industry
硫酸工业发展史
21世纪初,硫酸工业已有270多年的历史。早期的硫酸生产采用硝化法,此法按主体设备的演变又有铅室法和塔式法之分。19世纪后期,接触法获得工业应用,已成为生产硫酸的主要方法。
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Concentraion on Doubtful Matters While Persuing the Laws
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concentrated phase,^3He-rich phase
concentrated polymer solution
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