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己烯
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己烯
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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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lead time
lead-time
lead tin alloy
lead-tin alloy
lead-tin-telluride
lead track
lead white
leadwort family
lead (Ⅱ) carbonate, basic
lead(Ⅱ)chloride
lead(Ⅱ)iodide
lead(Ⅱ)nitrate
lead(Ⅱ)sulfate
lead(Ⅱ)sulfide
leaf
leaf-age models of crops
leaf area index
leaf area index, LAI
leaf axil
leaf-beetles
leaf casting
leaf chewing pest
leaf diagnosis
leafed
leaf-expansion period
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