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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><img src="//www.znpla.com/img1/img/daily/2023/12/27/090148_255385_procont.jpg" style="" title="090148_255385_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090152_720938_procont.jpg" style="" title="090152_720938_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090217_212388_procont.jpg" style="" title="090217_212388_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090220_235802_procont.jpg" style="" title="090220_235802_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090223_277643_procont.jpg" style="" title="090223_277643_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090226_190288_procont.jpg" style="" title="090226_190288_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090232_647936_procont.jpg" style="" title="090232_647936_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090235_967535_procont.jpg" style="" title="090235_967535_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090238_783075_procont.jpg" style="" title="090238_783075_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090242_230838_procont.jpg" style="" title="090242_230838_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090248_238826_procont.jpg" style="" title="090248_238826_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2023/12/27/090251_145092_procont.jpg" style="" title="090251_145092_procont.jpg"/><span style="font-family: 微软雅黑, " text-indent:="">热膨胀系数会影响材料的尺寸稳定性。当材料受到温度变化时，其尺寸会随之变化，导致材料的形状和尺寸精度发生变化。这对于需要精确尺寸的应用领域，如微电子、纳米科技和精密机械等，都是非常重要的考虑因素、�/span></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;"> 碳材料膨胀系数测试仪外壳采用钣金工艺制造，产品表面采用环保无污染的静电喷塑技术，大大提高产品的耐磨、耐腐蚀性能。该仪器所用仪表及其控制元件均严格测试，确保各项数据稳定，准确、可靠。采用可编程序逻辑控制器（PLC）控制，实验过程和数据全智能化处理；通过软件可实现远程监控和数据分析。该款产品采用智能化的人机交互界面，进一步简化操作步骤；高精度，智能化的测量技术，大大提升企业产品测试效率� </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 class="xgfa_cont"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank" class="xgfa_cont_img"><img src="//www.znpla.com/img1/img/daily/2021/11/22/140453_790664_solution_25872.jpg"/></a> <div class="xgfa_cont_rig"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank">体积电阻率和表面电阻率有什么不吋�/a> <p class="xgfa_cont_txt">首先*步需要测试体积电阻值和表面电阻值，然后根据试样的尺寸和电极系数，根据计算公式得到体积电阻率和表面电阻率，体积和表面电阻测试时，对电压试样的位置不同，从而能够不同的电阻值在接和未接试样时电容的变化</p><div class="xgfa_cont_time"> <span>石油/化工</span><p>2021-11-22</p></div></div></div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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