The present status of production, process . specification and analysis method of high purity hydrogen peroxide both at home and abroad are introduced.
介绍了国内外高纯过氧化氢生产情况、生产方法、产品质量指标和分析方法。
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。
This paper briefly introduced the advantages of PE materials for pressure pipes and the present status of production and development trend of PE pipes for water supply at home and abroad.
简述了聚乙烯材料作为压力管道的优势，以及聚乙烯给水管道及管道材料在国内外的生产现状及发展趋势。
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