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低碳烯烃生产工艺
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低碳烯烃生产工艺
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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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underwater acoustic metrology
underwater acoustic network
underwater acoustic positioning
underwater acoustics
underwater acoustic sensing technology
underwater acoustic signal processing
underwater acoustic spread spectrum communications
underwater acoustic target recognition
underwater acoustic technology
underwater acoustic telemetry
under water active inflation
underwater adhesive
underwater anti-biofouling
underwater ball games
underwater blasting
underwater blasting surge
underwater cable technology
under-water camera
underwater camera monitoring
underwater cathodic protection
under-water cinematography
underwater communication
underwater concrete
underwater connection technology
underwater contactless connection
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