丹麦BK 9740型道路表面吸声测�?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><span><strong>丹麦BK 9740� 道路表面吸声测量</strong>�?**的法向入射吸声测量系统，适用于根据ISO 13472-2测试程序对ISO 10844中规定的试验轨道沥青的声学性能进行非破坏性、现场质量保证的测量�?740型可直接固定到ISO 10844规定的试验轨道表面，用于测量沥青的吸声系数，而不需要根据ISO 13472-2进行钻芯取样。该系统基于双传声器传递函数测试方法，其中测试系统在感兴趣的所有频率下同时进行测量，而所需时间仅为传统驻波比系统所需时间的一小部分、�/span></p><p><span><strong>丹麦BK 9740� 道路表面吸声测量</strong>使用场景９�/span></p><p><span>吸声测量的研究和质量控制</span></p><p><span>根据ISO 13472-2标准，基于ISO 10844进行试验轨道声学特性的测量</span></p><p><span>测量９�/span></p><p><span>吸声系数</span></p><p><span>声反射系�?/span></p><p><span>归一化阻抖�/span></p><p><span>复杂材料或复合材料的测量</span></p><p><span>方向敏感性材料的测量</span></p><p><span><strong>丹麦BK 9740� 道路表面吸声测量</strong>特点９�/span></p><p><span>系统包括９�/span></p><p><span>7758-A型PULSE声学材料测试</span></p><p><span>道路表面吸声测量管WA-1599</span></p><p><span>LAN-XI数据采集装置，包�?160-A-042型LAN-XI</span></p><p><span>系统具备PULSE平台的全部优点，包括校准、测量、显示和报告以及面向任务的用户界面等方面的特点。它还包含标准材料测试软件的所有功能，是一个完整和完全集成的系统，用于�?20 Hz�?.8 kHz的频率范围内通过窄带分析（在250 Hz�?.6 kHz频率范围内，通过1/3倍频程分析）进行声学测量、�/span></p><p><span>功能９�/span></p><p><span>LAN-XI数据采集硬件和PULSE分析系统速度快，精度髗�/span></p><p><span>允许实时查看测量结果，易于监浊�/span></p><p><span>它支持更广泛的阻抗管，适用于低�?0 Hz的测量：4206型（50 Hz~6.4 kHz）或4206-A型（100 Hz~3.2 kHz）阻抗管套件</span></p><p><span>结果可输出到Microsoft Excel中，方便数据共享和制作报呉�/span></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="232574" /> <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）">