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聚苯并咪唑纤维
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聚苯并咪唑纤维
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polybenzimidazole fiber
聚苯并咪唑纤维
由间苯二甲酸二苯酯与3,3′,4,4′-四氨基联苯缩聚得聚苯并咪唑(PBI)纺丝制得的合成纤维。全称为聚2,2′-间亚苯基-5,5′-双苯并咪唑纤维,简称PBI纤维。
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Climate Change and World Heritage
climate change at suborbital time scale
Climate Change Conference in Paris
climate change coping
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climate change in geological period
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