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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>仪器简介：</strong></p><p>随着人们生活水平的不断提高，对生活环境的要求越来越高，室内空氓�/p><p>质量也越来越引起人们的关注，为了控制和监测建筑工程的室内空气质量＋�/p><p>国家制定了GB50325-2001《民用建筑工程室内环境污染控制规范》，规范觃�/p><p>定采用气相色谱法测定苯和TVOC的含量。TVOC是指：在一般压力条件下，所</p><p>测得的空气中沸点低于或等�?50℃的挥发性有机化合物的总量、�/p><p>　主要操作流程：采用专用大气取样仪在要检测的地点�?00ml/min的流野�/p><p>通过Tenax管取�?0分钟，此过程称为吸附。然后把此Tenax管放入解吸仪中，</p><p>此过程称为解吸。解吸出来的样品由载气带入色谱柱，经色谱柱分离后进入</p><p>检测器，然后通过色谱专用工作站进行数据的采集和管理、�/p><p><strong>技术参数：</strong></p><p>设备的主要配置：</p><p>1、GC-9560-HT气相色谱�?/p><p>2、Y-300专用色谱工作竘�/p><p>3、专用毛细管色谱柰�/p><p>4、大气采样器</p><p>5、TENAX吸附剁�/p><p>6、TVOC专用标样</p><p>7、温湿度讠�/p><p>8、气压计</p><p>　　</p><p>解吸条件９�/p><p>解吸温度 250ℂ�/p><p>解吸时间 5min</p><p>清扫气流� 50ml/min</p><p>载气 氮气</p><p>气相色谱仪分析条件：</p><p>　　　汽化温度 250ℂ�/p><p>　　　检测温� 250ℂ�/p><p>　　　柱炉温度 50℃保�?0min然后5�?min升到250ℂ�/p><p>　　　色谱� 60m�� 0.53mm��1.0um</p><p><strong>主要特点９�/strong></p><p>采用大气采样器，在采样点，以500ml/min的速度，通过活性碳管抽�?0L空气。然后把活性碳管放入色谱仪的热解吸仪中解吸。解吸出来的样品由载气带入色谱柱，经色谱柱分离后进入检测器，然后通过色谱工作站进行数据的采集和管理、�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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