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alpha olefins
释义
alpha olefins
Encyclopedia
工学
α-烯烃
释
alpha olefins
α-烯烃
双键在开链分子链端部的单烯烃。分子式RCH═CH2,其中R为烷基。若R为直链烷基,则称为直链α-烯烃。丙烯等低碳烯烃也属α-烯烃的范畴,但工业上所称的α-烯烃通常碳原子数为4或6以上。作为工业产品的α-烯烃,碳数范围分布很宽(C4~C40)。主要用作共聚单体或用于合成洗涤剂醇、增塑剂醇、润滑油添加剂等精细化工产品。
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mounted instrument technology
mounted plough
mounted standard instrument
mounted wheel
Mount Emei
Mount Emei Scenic and Historic Area
Mount Emei Scenic Area,including Leshan Giant Buddha Scenic Area World Culture and Natural Heritage
Mount Fengdong
Mount Flower Scenic and Historic Area
Mount Fozi Scenic and Historic Area
Mount Gambier
Mount Gimie
Mount Graham International Observatory
Mount Guangwu-Nuoshui River Scenic and Historic Area
Mount Guanzhai Scenic and Historic Area
Mount Heha
Mount Hiei
Mount Hillaby
Mount Hopkins Observatory
Mount Hua by Wang Lv
Mount Huang Scenic and Historic Area
Mount Huangshan World Culture and Natural Heritage
mountian carps
mounting
Mounting and Restoration of Traditional Paintings and Calligraphies
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