Present status of process technology in caustic soda production was analysed.
分析了我国烧碱生产的工艺技术现状。
The present status of production and the consumption structure for acetic acid at home and abroad are introduced. The technology and economy of acetic acid are analyzed and compared.
介绍了国内外乙酸的生产现状及消费结构，并对乙酸的生产技术及经济作了分析比较。
The present status of the production in Nanfen concentrator, Ben Steel and its research and practice of Silicon reduction and iron increase technology are described.
介绍了本钢南芬选矿厂的生产现状及其降硅提铁工艺研究和实践。
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