富二代国产app

 2017年12月13日，總(zong)工(gong)(gong)辦(ban)(ban)委托(tuo)青島市環境科學保護(hu)研(yan)(yan)究(jiu)院(yuan)完成(cheng)11號線(xian)U梁(liang)敷板(ban)(ban)式吸聲(sheng)降(jiang)噪(zao)器應用(yong)效果(guo)(guo)(guo)測試工(gong)(gong)作。U梁(liang)敷板(ban)(ban)式吸聲(sheng)降(jiang)噪(zao)器為總(zong)工(gong)(gong)辦(ban)(ban)牽頭，聯合(he)中科院(yuan)聲(sheng)學研(yan)(yan)究(jiu)所、青島聲(sheng)達科技(ji)有(you)(you)限公司聯合(he)研(yan)(yan)發的(de)地鐵(tie)高(gao)架線(xian)路新型降(jiang)噪(zao)裝置，該裝置利用(yong)預埋槽道安裝于(yu)U梁(liang)腹板(ban)(ban)內側，與傳統(tong)聲(sheng)屏障相比不僅景觀效果(guo)(guo)(guo)好，還減少了對周邊建筑物采光的(de)遮(zhe)擋，且具有(you)(you)安裝簡單、維護(hu)更換方便、成(cheng)本低的(de)特點。在研(yan)(yan)發伊始，總(zong)工(gong)(gong)辦(ban)(ban)即注重成(cheng)果(guo)(guo)(guo)轉化工(gong)(gong)作，同步編制了施工(gong)(gong)及驗(yan)收(shou)標準，對施工(gong)(gong)單位組織技(ji)術指導，推動該新技(ji)術在11號線(xian)全(quan)線(xian)應用(yong)。經測試，其降(jiang)噪(zao)效果(guo)(guo)(guo)可達3分貝以上，滿足(zu)了研(yan)(yan)發預期(qi)，具有(you)(you)良好的(de)推廣價值和前景。