信标仪器气相色谱�?参数-价格-中国粉体罐�/title>

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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 style="box-sizing: border-box; animation-fill-mode: both; font-family: 微软雅黑; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; color: rgb(51, 51, 51); font-size: 17px; white-space: normal; background-color: rgb(255, 255, 255); word-break: inherit !important;"><strong style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin: 0px; word-break: inherit !important;">原理</strong></p><p style="box-sizing: border-box; animation-fill-mode: both; font-family: 微软雅黑; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; color: rgb(51, 51, 51); font-size: 17px; white-space: normal; background-color: rgb(255, 255, 255); word-break: inherit !important;"> GC主要是利用物质的沸点、极性及吸附性质的差异来实现混合物的分离。待分析样品在汽化室汽化后被惰性气体（即载气，也叫流动相）带入色谱柱，柱内含有液体或固体固定相，由于样品中各组分的沸点、极性或吸附性能不同，每种组分都倾向于在流动相和固定相之间形成分配或吸附平衡。但由于载气是流动的，这种平衡实际上很难建立起来。也正是由于载气的流动，使样品组分在运动中进行反复多次的分配或吸�?解吸附，结果是在载气中浓度大的组分先流出色谱柱，而在固定相中分配浓度大的组分后流出。当组分流出色谱柱后，立即进入检测器。检测器能够将样品组分转变为电信号，而电信号的大小与被测组分的量或浓度成正比。当将这些信号放大并记录下来时，就是气相色谱图了、�/p><p style="box-sizing: border-box; animation-fill-mode: both; font-family: 微软雅黑; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; color: rgb(51, 51, 51); font-size: 17px; white-space: normal; background-color: rgb(255, 255, 255); word-break: inherit !important;"> </p><p style="box-sizing: border-box; animation-fill-mode: both; font-family: 微软雅黑; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; color: rgb(51, 51, 51); font-size: 17px; white-space: normal; background-color: rgb(255, 255, 255); word-break: inherit !important;"><strong style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin: 0px; word-break: inherit !important;">应用</strong></p><p style="box-sizing: border-box; animation-fill-mode: both; font-family: 微软雅黑; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; color: rgb(51, 51, 51); font-size: 17px; white-space: normal; background-color: rgb(255, 255, 255); word-break: inherit !important;"> 1.石化分析�?.环境分析�?.视频分析�?.物理化学研究�?.聚合物分枏�/p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="204889" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">