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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="https://img1.cnpowder.com.cn/img/daily/2022/11/04/095807_544620_procont.jpg" title="095807_544620_procont.jpg" alt="095807_544620_procont.jpg" width="691" height="437" border="0" vspace="0" style="width: 691px; height: 437px;"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2023/02/27/131114_313537_procont.jpg" style="" title="131114_313537_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2023/02/27/131119_125016_procont.jpg" style="" title="131119_125016_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2023/02/27/131123_314759_procont.jpg" style="" title="131123_314759_procont.jpg"/><img src="https://img1.cnpowder.com.cn/img/daily/2022/11/04/095852_770696_procont.jpg" title="095852_770696_procont.jpg" width="691" height="437" border="0" vspace="0" alt="095852_770696_procont.jpg" style="width: 691px; height: 437px;"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2022/11/04/095856_589394_procont.jpg" style="width: 691px; height: 437px;" title="095856_589394_procont.jpg" width="691" height="437" border="0" vspace="0" alt="095856_589394_procont.jpg"/></p><p><br/></p><p>粉末自然堆积密度�?/p><p>生产标准９�/p><p style="margin-top: 5px; margin-bottom: 0px; background: rgb(255, 255, 255);"> GB/T 16913-2008 Methods of dust character test</p><p>测试原理９�/p><p>粉尘从漏斗口在一定高度自由落下充满量杯；测定松装状态下量杯内单位体积粉尘的质量，即粉尘堆积密度、�/p><p> </p><p>行业应用９�/p><p>自然堆积松装密度�?变准漏斗�?用于粉尘堆积密度的测定、�/p><p>广泛用于各种金属粉末，非金属粉末，化学粉末如粉末冶金粉末,磁性材料粉末，合金粉末,奶粉,磨料，涂�?食品添加剂等粉末的堆积密度测诔�/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;"> 粉尘从漏斗口在一定高度自由落下充满量杯；测定松装状态下量杯内单位体积粉尘的质量，即粉尘堆积密度� </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="https://img1.cnpowder.com.cn/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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