inertion index for explosion suppression 惰化抑爆指标
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dullness , obtuseness
Because the fiber is of chemical inertion, low surface energy, lack of polar groups, and highly symmetric methylene structure, the fiber has a high degree of crystallinity and orientation.
这是由于纤维在化学上不活泼，表面能低，表面缺乏极性基团，且是高度对称的亚甲基结构，使得纤维具有很高的结晶度和取向度。
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