Research progress and development trend of iron oxide pigments produced by different industrial wastes and by-products are briefly introduced.
简述了以不同工业废副原料制备铁系颜料的研究进展及发展趋势。
The new production progress of caprolactam are introduced, that green processes are the trend of technological research and development.
介绍了己内酰胺的生产技术新进展，其中绿色生产工艺是今后的发展趋势。
The research situation and the application progress of inorganic for plastic at home and abroad were all reviewed. The development trend of flame retarding technology was analyzed.
本文综述了近年来国内外塑料用无机阻燃剂的研究现状及应用技术进展，简单评价了阻燃技术的发展趋势。
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