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raw material purification
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raw material purification
Encyclopedia
工学
原料精制
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raw material purification
原料精制
根据烯烃原料所含杂质情况,有针对性地设置脱水、脱氧、脱不凝气、脱硫和脱砷等精制工序,脱除相应的杂质,以提高精制烯烃的质量,达到降低聚烯烃产品能耗的聚合物生产工艺。是烯烃(如乙烯、丙烯)聚合过程中的主要操作单元之一。
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astronomical nutation
astronomical observation
astronomical observatory
Astronomical Observatory of Trieste
astronomical optical interferometry technology
astronomical optics
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astronomical phenomena hall
astronomical photographic plate
astronomical photography
astronomical photometry
astronomical plate
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astronomical reference system
astronomical refraction
astronomical research
astronomical satellite
astronomical seeing
astronomical sign
Astronomical Society of Australia
Astronomical Society of Japan
Astronomical Society of Southern Africa
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