美国Janis公司VNF液氮恒温�?参数-价格-中国粉体罐�/title>

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}else{ $(".fixdbox").css({"display":"none"}); } $(".fixdbox_main_left div").css({"color":"#4F5862","border-bottom-color":"transparent"}); if($(this).scrollTop()>=_wsj){ $(".fixdbox_main_left div").eq(6).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_gsdt){ $(".fixdbox_main_left div").eq(5).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_yhpl){ $(".fixdbox_main_left div").eq(4).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgzl){ $(".fixdbox_main_left div").eq(3).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgfa){ $(".fixdbox_main_left div").eq(2).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cxd){ $(".fixdbox_main_left div").eq(1).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cpjj){ $(".fixdbox_main_left div").eq(0).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); } }); function showliuyan(me, showtype){ if(showtype==0){ //$("#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>由于对液体和粉末样品安装热锚非常困难，而这种恒温器则解决了这个难题，是液体和粉末样品进行低温测试的理想选择。VNF-100的特点是有一个顶端装载样品室，便于快速样品更换，4个光路到样品腔，f = 1.0、�/p><p><strong>技术参数：</strong></p><p><table align="center" cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td>LN2容量</td><td>1.2卆�/td></tr><tr><td>工作时间（典型的（�/td><td>大约6-8小时</td></tr><tr><td>初始冷却时间（从室温（�/td><td>大约30min</td></tr><tr><td>样品更换时间（典型的（�/td><td>小于5分钟</td></tr><tr><td>温度操作范围</td><td>65-325K(<50 K在N2冰中)</td></tr><tr><td>温度稳定性（带控温仪（�/td><td>优于50mK</td></tr></tbody></table></p><p><strong>主要特点９�/strong></p><p>? 配漏斗附件，可迅速再填补制冷� </p><p>? 高质量波纹管密封抽真空阀，内置冷泵可维持高真空度 </p><p>? 安全压力放气阀可保护所有独立空� </p><p>? 1.25英寸样品管，带用户定制特殊光学通路（标准系统提�?个石英玻璃窗�?#402; = 1.0光学通路� </p><p>? 顶端装载样品室便于迅速更换样� </p><p>? 样品置于流动氮蒸气中的可变冷却系统（特别适合低热传导样品），提供极好的制冷能力和控温能力。轻质的样品定位装置，多针电学feedthrough通路到窗叢�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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