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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong>S23A可见分光光度讠�/strong></p><p>仪器特点</p><p><span>l</span>��10-��16mm试管或矩形比色皿两用，适用于高等院校、中等专业院校及化学分析相关专业教学实验、分析用、�/p><p><span>l</span>整体机座及零件采用铝合金压铸，优质C-T光栅单色器，仪器质量、可靠性有保障、�/p><p><span>l</span>采用预校准光源及光谱能量校正系统，方便用户更换，对仪器进行维护、�/p><p><span>l</span> 具备准确的T/A转换、自动调零及自动�?00%T、浓度直读、浓度因子设定等功能、�/p><p><span>l</span> 可选配专用数据处理软件包执行数据存储、记录、传送及线性回归等功能或串行打印机打印测试数据、�/p><p><span>l</span>S23A可见分光光度计专为环保、教育部门设计，在海外市场上拥有较高的品牌知名度，可广泛用于环保监测、教育系统等部门作定性定量分析、�/p><p>技术参�?/p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p>光学系统</p></td><td><p>衍射光栅C-T单色�?/p></td></tr><tr><td><p>光源</p></td><td><p>卤素�?0W/12V</p></td></tr><tr><td><p>波长范围</p></td><td><p>340 nm�?50 nm</p></td></tr><tr><td><p>波长准确�?/p></td><td><p>��2.5nm</p></td></tr><tr><td><p>波长重复�?/p></td><td><p>�?.0nm</p></td></tr><tr><td><p>带宽</p></td><td><p>12nm</p></td></tr><tr><td><p>透射比准确度</p></td><td><p>��2.0%T</p></td></tr><tr><td><p>透射比重复�?/p></td><td><p>�?.5%T</p></td></tr><tr><td><p>杂散先�/p></td><td><p>�?.5%T</p></td></tr><tr><td><p>光度范围</p></td><td><p>0.0�?99.9（T），�?.3�?.999（A（�/p></td></tr><tr><td><p>外形尺寸</p></td><td><p>370mm��320mm��190mm</p></td></tr><tr><td><p>重量</p></td><td><p>净�?Kg</p></td></tr></tbody></table> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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