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n-butane
正丁烷
具有4个碳原子的直链饱和烷烃。分子式为C4H10,常温常压下为无色气体,不溶于水,易溶于醇、氯仿等,熔点为-138.4℃,沸点为-0.5℃。
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polyaramide; polyarylamide; aromatic polyamide
polyarchy
polyare
polyarmide fiber
poly(aromatic sulfone) fiber
Poly Art Museum
polyarylamide
poly(aryl amide sulphone)
polyarylate
polyarylate fiber
polyarylene ether nitrile
poly (aryl ester)
poly (aryl ether)
polyaryletherketone
poly (aryl sulfone)
poly(arylsulfone)
polyarylsulfone fiber
poly (aryl sulfone) (PAS)
polyaspartic acid
polyatomic
polyatomic molecule
poly-automata
poly-automorphism
polyauxotroph
polyaxial joint
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