Its main components include propane, butane and butylene.
主要成份是丙烷 、 丁烷、丁烯等.
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Catalytic oligomerization of remain butylene is a way for enterprises to rebottle andpotentialities for more benefits.
剩余丁烯催化齐聚是企业消除瓶颈、挖潜增效的途径.
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By means a micro - twin - blender the blending of lignin with poly ( butylene terephthalate ) ( PBT ) was studied.
利用微型双螺杆共混仪研究了木质素与 聚对苯二甲酸 丁二酯的共混过程.
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