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production process of light olefins
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production process of light olefins
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工学
低碳烯烃生产工艺
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production process of light olefins
低碳烯烃生产工艺
生产低碳烯烃的工艺技术。低碳烯烃也称作低级烯烃,主要指乙烯、丙烯和丁烯,有时也包括丁二烯。低碳烯烃是重要的基本有机原料,也是石油化工的龙头产品。随着现代化学工业的发展,对低碳烯烃的需求日渐攀升。
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agricultural production statistics
agricultural production structure
agricultural production technology system
agricultural product marketing
agricultural product price subsidy policy
agricultural product price survey system
agricultural product processing surplus
agricultural products certification
agricultural products certification of China
agricultural products detection
agricultural products E-commerce
agricultural products electronic commerce
agricultural products export policy
agricultural products fair price supermarket
agricultural products logistics distribution center
agricultural products market
agricultural products market services
agricultural products revenue insurance
agricultural products support price policy
agricultural protection policy
agricultural public service platform
agricultural radio and television school
agricultural radio frequency identification
agricultural radioisotope tracer technique
agricultural region
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