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d.innerHTML = d.innerHTML + '<a class=\"download_word download_word_lb\" href=\"javascript:;\" id=\"vipdown\" onclick=\"showpay(2)\"><div class=\"download_card\"><div class=\"card_nr card_nr_lb\"><h4 class=\"card_bt\">非还原性二糖</h4><div class=\"download_card_msg\">&ensp;&ensp;&ensp;&ensp;非还原性二糖是两个单糖都用半缩醛羟基脱水生成的二糖，分子中无半缩醛羟基，当然也就不能变成开链结构，也不具备单糖的一些性质。如，无变旋现象，与过量苯肼不能产生糖脎，与斐林试剂无砖红色沉淀产生，不。下面小编给大家分享非还原性二糖，希望能帮助到大家。 非还原性二糖文档下载网址链接：</div></div><div class=\"download_card_btn download_card_btn_lb\"><div class=\"content_box_tj\"><span>推荐度：</span><img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\"></div><div class=\"downlod_btn_right demo_tc downlod_btn_right_lb\"><em class=\"downlod_icon\"></em>点击下载文档<span>文档为doc格式</span></div> </div></div></a>';
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