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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>X射线荧光光谱�?XRF是一种射线式分析仪器，是X射线分仪器的一种常用形式。能分析原子序数 12~ 92的所有元素，选择性高，分析微量组分时受基体的影响小，在地质、采矿和治金等部门应用很�?</p><p>X射线是一种电磁辐射，其波长介于紫外线和射线之间。它的波长没有一个严格的界限，一般来说是指波长为0.001-50nm的电磁射，X时线是用高速电了轰击原子的内层电子，使之处于高激发状态，同时外层的电子跃迁到缺少电子的内层轨道，在此过程中会伴随着以电磁波形式释放的能量，这种释放能量的电磁波能量大，波长小，肉眼不可见，称之为X射线</p><p>如果用高速电子激发产生的义射线又作为激发源何称之为一次义�?去未别的原子的内层电子，同样可产生X时线，只是这种X时线的自影量较一次X时经低，波长也较长，这种射线称为二次从射线或射线英光、荧光X射线，X射线荧光的波长是以受激物质(待测物质)的原子房数为特征的，原子房数越大的物质波长越短，各种不同的元素都有本身的特征X射线荧光波长，这是用X射线荧光原理的X射线荧光光谱仪进行定性分析的依据,而元素受激发射出来的特征X射线荧光的强度则取决于该元素的含量，这是定量分析的依据、�/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"}); 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