关于膜材的表述错误的是A:膜材聚乙烯醇的英文缩写为PVAB:乙烯-醋酸乙烯共聚物的英文缩写为EVAC:PVA05-88聚合度小,水溶性大D:PVA对...

作者: rantiku 人气: - 评论: 0
问题 关于膜材的表述错误的是
选项 A:膜材聚乙烯醇的英文缩写为PVA B:乙烯-醋酸乙烯共聚物的英文缩写为EVA C:PVA05-88聚合度小,水溶性大 D:PVA对眼黏膜无刺激性,可制成眼用控释膜剂 E:PVA与EVA均为天然膜材
答案 E
解析 PVA与EVA均为合成的高分子聚合物。

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  • 文件: /twcms/kongphp/cache/cache_redis.class.php
  • 位置: 第 85 行
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