document.writeln("<Center><div class=\"doc\"><a href=\'/e/member/fava/add/?classid=38&id=1769\'  target=\'_self\'><i class=\"fa fa-file-word-o\"></i> 壳聚糖的复合法降解及降解产物降血糖活性的研究文档下载.doc </a></div></Center>");