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专题论述１－１碳酸二甲酯生产研究现状及展望１－４热交换器的螺旋压缩弹簧在线自动除垢扰流新技术２－１加氢精制－临氢降凝组合工艺生产优质低凝柴油的工艺研究２－４超临界抽提用于重油改质３－１超临界丙烷生产ＰＥ工艺技术３－４丙烯聚合催化剂进展３－７甲乙酮合成...
Thematic discussion 1-1 The present situation and prospects of dimethyl carbonate production research 1-4 Heat exchanger spiral compression spring online automatic descaling spoiler new technology 2-1 hydrotreating - hydro-condensate combination process to produce high-quality low-freezing diesel Of the process of 2-4 supercritical extraction for the reforming of heavy oil 3-1 supercritical propane production of PE process technology 3-4 Propylene polymerization catalyst progress 3-7 methyl ethyl ketone synthesis ...