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1·Activated carbon fibre was selected through tests as an optimum adsorbent for butyl acetate in gas. The main factors affecting the adsorption performance were studied.

通过试验选择活性炭纤维作为吸附剂，吸附气体中醋酸丁酯。对影响其吸附性能的主要因素进行了研究。

2·Polyvinl alcohol(PVA) is only one water-soluble high polymer we know at present , it is the saponification substance of vinyl acetate, mainly used in produce fibre.

聚乙烯醇（PVA）是由醋酸乙烯经皂化而成的高分子化合物，是目前发现的唯一具有水溶性的高聚物，主要用于生产维纶纤维。