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α-烯烃
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α-烯烃
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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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congruence problem
congruence relation
congruence-simple algebra
congruence subgroup
congruence subgroup of level N
congruence subgroup problem
congruence theorem
congruence theory
congruence transformation
congruence variety
congruence with several variables
congruence with two terms
congruence zeta function
congruence zeta-function
congruence ζ function
congruence ζ-function
congruency
congruent
congruent angles
congruent circumcircles isoscelizer point
congruent expression
congruent figure of mirror image
congruent figures
congruent form
congruent formula
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