if(document.getElementById('relative'))document.getElementById('relative').innerHTML='<div>前一篇：<a href=\"/other/chem_knowledge/show.asp?id=510190\" target=\"_self\">6号抽提溶剂油最新标准</a></div>\n<div>后一篇：<a href=\"/other/chem_knowledge/show.asp?id=542752\" target=\"_self\">日桶值 Barrel per day (BPD)</a></div>\n';