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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
释
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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pinellin
pine marten
pinene
pine needle rust
pine oil for flotation
pine oleoresin
pine pollen
Pine Ridge
pine root oil
pine seed oil
pine-seed oil
Pines in Fairy Hall by Wang Jian
Pine Trees ,plum blossomH by Hongren
pi-network
pine wilt disease
Pine Wind Painting Society
pine wood nematode disease
pinewood wilt nematode
Pine、Plum Blossom and Two Red-crowned Cranes by Shen Quan
pin-feather
pin-fin cooling
pin force
Pi_n-form
PING
Ping
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