印刷纸封壳：硬皮儿童书籍常用的修饰方法。书壳的包面材料是经过印刷和裱胶的纸。
Printed paper case (PPC) : a common finish for hardback children's books, where the covering material over the boards is paper which has been printed and laminated.
经过研究发现，以明胶-阿拉伯胶为壁材得到的微胶囊，囊壁光滑、透明性好，对芯材包封率高，达到91.2%。
It was found that microcapsules with gelatin-gum Arabic as wall material had smooth surface, superior transparence and encapsulation efficiency high to 91.2%.
经过研究发现，以明胶-阿拉伯胶为壁材得到的微胶囊，囊壁光滑、透明性好，对芯材包封率高，达到91.2%。
It was found that microcapsules with gelatin-gum Arabic as wall material had smooth surface, superior transparence and encapsulation efficiency high to 91.2%.
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