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气相缩聚工艺
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气相缩聚工艺
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高分子化工
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gas-phase polymerization processes
气相缩聚工艺
在催化剂存在下,使处于气态的聚合单体分子(乙烯、丙烯、高级α-烯烃或多种烯烃的混合物)通过聚合反应制取高分子聚合物的技术。是高分子聚合物生产工艺过程之一。
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environmental governance
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environmental health in military position
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Environmental Health Perspectives
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environmental heterogeneity in the invaded range
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environmental history
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