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丙烯
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己烯
含六个碳原子且双键在开链分子链端部的单烯烃。结构式CH3(CH2)3CH=CH2。又称正丁基乙烯。常温常压下为无色液体,沸点为63℃,不溶于水,溶于醇、醚、苯、石油醚、氯仿,易燃,有中等毒性及一定的刺激性。是优良的聚烯烃共聚单体。
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UK Atomic Energy Authority
UK Digital Content: An Action Plan for Growth
UK digital screen network development plan
Ukelele
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UK Film Council
UK Independent Television
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UK Met Office
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UK Museum Accreditation Scheme
UK National Vegetation Classification Database
UK Parliamentary Mission to China
U.K. Postal Services Commission
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