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id="li8gnt3" class="proBig"><div id="cpv2zq3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324718045812/3185742.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xfb9c8m" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324718045812/3185742.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="l7wf3uy" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司,噪聲檢測(cè)</p><p><span>***更新：</span>2021-01-17 05:18:13</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="s3fk8gn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海綠環(huán)商品檢測(cè)有限公司</a></p><p><span>聯(lián)系人：</span>程莉君</p><p><span>郵箱: </span>chenglijun139@163.com</p><p><span>電話(huà): </span>18717976244</p><p><span>傳真: </span>021_62384557</p><p><span>網(wǎng)址: </span>http://www.x-gpi.com</p><p><span>手機(jī): </span>021-62398830</p><p><span>地址: </span>綏德路2弄8號(hào)第四層</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="mf8nm3f" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xaclyj3" class="box"><p><p style="text-indent:25px">工廠為什么要做噪聲檢測(cè)：噪聲對(duì)人們的生活影響日益嚴(yán)重，噪聲干擾居民的工作、學(xué)習(xí)、休息和睡眠，嚴(yán)重的還會(huì)危害人體的健康。其中工廠噪聲又是城市噪聲的重要來(lái)源。工業(yè)噪聲是指機(jī)械設(shè)備運(yùn)轉(zhuǎn)時(shí)產(chǎn)生的噪聲。按其噪聲源特性可分為：氣流噪聲、機(jī)械噪聲和電磁噪聲。從物理定義而言，振幅和頻率上完全無(wú)規(guī)律的震蕩稱(chēng)之為噪聲。從環(huán)境保護(hù)角度而論，凡是人們所不需要的聲音統(tǒng)稱(chēng)為噪聲。糾正錯(cuò)誤觀念，只要聲音大了，即使是音樂(lè)也是噪聲什么是工業(yè)噪聲呢？工業(yè)企業(yè)廠界噪聲的定義：指在工業(yè)生產(chǎn)活動(dòng)中使用固定設(shè)備等產(chǎn)生的、在廠界處進(jìn)行測(cè)量和控制的干擾周?chē)瞽h(huán)境的聲音。人長(zhǎng)期在噪音環(huán)境（75dBA及以上）中工作或生活，會(huì)造成聽(tīng)覺(jué)疲勞、視力下降，嚴(yán)重者會(huì)造成長(zhǎng)久性聽(tīng)力損傷，甚至導(dǎo)致噪聲耳聾。同時(shí)，還會(huì)引起惡心、記憶力衰退、心律不齊、血壓波動(dòng)，導(dǎo)致神經(jīng)衰弱，引發(fā)及動(dòng)脈硬化。降低勞動(dòng)生產(chǎn)率：在噪聲環(huán)境中工作，崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司，員工情緒煩燥不安，注意力無(wú)法集中，易導(dǎo)致工作失誤，崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司，崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司，嚴(yán)重影響工作質(zhì)量降低工作效率，甚至造成工傷事故。而且特強(qiáng)噪聲對(duì)儀器設(shè)備和建筑結(jié)構(gòu)的也有嚴(yán)重的危害。所有測(cè)量?jī)x器均應(yīng)符合相應(yīng)標(biāo)準(zhǔn)，使用前必須校準(zhǔn)。崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司,噪聲檢測(cè)" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324718045812/3185742.png"></div><p style="text-indent:25px">區(qū)域噪聲污染控制方法：區(qū)域噪聲能夠?qū)⒊鞘性肼曃廴厩闆r較全反映出來(lái)，是一項(xiàng)極其重要的指標(biāo)。尤其是對(duì)于市中心而言，車(chē)輛數(shù)量較大，道路交通擁擠，若是可以設(shè)置更多過(guò)街天橋與人行地道，并對(duì)車(chē)輛行駛道路范圍作出限制，則能夠讓行人獲得更大的空間。如此一來(lái)，可以有效控制車(chē)輛的行駛量，減低車(chē)輛造成的區(qū)域噪聲污染。做好噪聲管理工作因?yàn)樵肼曃廴揪邆淇陀^性特點(diǎn)，所以無(wú)法有效避免，應(yīng)較大限度降低噪聲，確?？刂圃谌藗兡軌虺惺芊秶鷥?nèi)，避免對(duì)人們身心健康造成危害。在噪聲污染治理過(guò)程中，應(yīng)該學(xué)習(xí)發(fā)達(dá)國(guó)家的成功經(jīng)驗(yàn)，采取減少噪聲車(chē)輛、合理規(guī)劃城市、優(yōu)化道路設(shè)計(jì)、完善制度法規(guī)等。在城市噪聲污染中，交通噪聲占據(jù)的比例較大，特別是機(jī)動(dòng)車(chē)。對(duì)此需要加強(qiáng)對(duì)機(jī)動(dòng)車(chē)噪聲的管理工作，出臺(tái)相關(guān)法律法規(guī)，在實(shí)踐中不斷作出修改與調(diào)整，保證其適用性與先進(jìn)性。崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司噪聲又稱(chēng)雜音，屬于隨機(jī)信號(hào)，可用統(tǒng)計(jì)學(xué)方法加以描述，即其統(tǒng)計(jì)量是可測(cè)的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司,噪聲檢測(cè)" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324890047773/7662206.png"></div><p style="text-indent:25px">噪聲預(yù)測(cè)分析：計(jì)算方法及模型根據(jù)水平面噪聲分布情況測(cè)試結(jié)果推測(cè)，由于橋梁高架道路本身所特有的噪聲自屏蔽，橋梁下方形成聲影區(qū)，導(dǎo)致距離噪聲源較遠(yuǎn)的測(cè)點(diǎn)噪聲值反而高于距離近的測(cè)點(diǎn)。由于項(xiàng)目處于初步設(shè)計(jì)階段，無(wú)法通過(guò)現(xiàn)場(chǎng)檢測(cè)獲知不同高度處的聲壓級(jí)，因此基于平面檢測(cè)結(jié)果，采用計(jì)算軟件對(duì)設(shè)計(jì)建筑立面進(jìn)行噪聲分析，同時(shí)還能精確計(jì)算出水平面各區(qū)域噪聲分布情況。CadnaA(Computer Aided Noise Abatement)是一套用于計(jì)算、顯示、評(píng)估及預(yù)測(cè)噪聲暴露和空氣污染影響的軟件，可精確計(jì)算交通噪聲影響。將現(xiàn)場(chǎng)檢測(cè)值作為輸入邊界條件，通過(guò)計(jì)算機(jī)模擬，得出水平面、噪聲敏感建筑立面聲壓分布情況。</p><p style="text-indent:25px">早期的測(cè)試分析設(shè)備簡(jiǎn)單，只能用聲級(jí)計(jì)、加速度傳感器等來(lái)進(jìn)行簡(jiǎn)單的噪聲振動(dòng)測(cè)量。當(dāng)電子技術(shù)和信號(hào)處理技術(shù)迅速發(fā)展后，出現(xiàn)了頻譜分析、相干分析、相關(guān)分析等，以后又出現(xiàn)了聲強(qiáng)測(cè)量、小波分析、聲全息方法等新的測(cè)試和分析技術(shù)，這些技術(shù)極大提高了分析噪聲振動(dòng)譜和識(shí)別噪聲振動(dòng)源的手段。試驗(yàn)測(cè)試方法結(jié)果直觀，數(shù)據(jù)準(zhǔn)確，能直接反應(yīng)汽車(chē)結(jié)構(gòu)特性，但在結(jié)構(gòu)優(yōu)化控制上不足，常需根據(jù)經(jīng)驗(yàn)來(lái)修改結(jié)構(gòu)。常用的試驗(yàn)測(cè)試分析方法有分別運(yùn)轉(zhuǎn)消去法、鉛覆蓋法、頻譜分析法、聲強(qiáng)測(cè)量法等。噪聲監(jiān)測(cè)結(jié)果析噪聲污染的現(xiàn)狀及變化趨勢(shì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司,噪聲檢測(cè)" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324775067277/1517261.png"></div><p style="text-indent:25px">噪聲測(cè)定儀的測(cè)量方法:聲壓級(jí)測(cè)量?jī)墒制轿章暭?jí)計(jì)，將傳聲器指向被測(cè)聲源，計(jì)權(quán)網(wǎng)絡(luò)開(kāi)關(guān)置于“線(xiàn)性”位置，透明輸出旋鈕順時(shí)針轉(zhuǎn)到底，再調(diào)節(jié)黑色輸入旋鈕使指針有適當(dāng)偏轉(zhuǎn)，由透明輸出旋鈕兩條紅線(xiàn)所指的量程加上指示器指針的讀數(shù)，即可獲得所測(cè)聲壓級(jí)。例如：透明輸出旋鈕兩條紅線(xiàn)間指90dB，指針指示為+4dB，則被測(cè)聲壓級(jí)為90+4=94dB.當(dāng)所測(cè)聲壓級(jí)小，黑色輸入旋鈕置于70dB位置而指針仍無(wú)反應(yīng)時(shí)，可按反時(shí)針?lè)较蜣D(zhuǎn)動(dòng)透明輸出旋鈕，待指針有適當(dāng)偏轉(zhuǎn)時(shí)，即可讀數(shù)。例如透明輸出旋鈕兩條紅線(xiàn)間指50dB，指針指向-ldB，則被測(cè)聲壓級(jí)為50+（-1）=49dB。選用同一臺(tái)齒輪加工機(jī)床所加工出來(lái)的齒輪，能夠利于降低嚙合的噪聲。閔行區(qū)車(chē)間噪聲檢測(cè)服務(wù)公司</p><p style="text-indent:25px">數(shù)據(jù)收集和整理問(wèn)題噪聲檢測(cè)儀器設(shè)備的好壞，對(duì)數(shù)據(jù)收集與整理工作有著重要影響。崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司</p><p style="text-indent:25px">國(guó)統(tǒng)局?jǐn)?shù)據(jù)顯示，2019年上半年儀器儀表大行業(yè)規(guī)模以上企業(yè)4927個(gè)，營(yíng)收規(guī)模4002億元，營(yíng)收同比增長(zhǎng)7.57%；收入總額為361億元，同比增長(zhǎng)2.87%，比主營(yíng)收入低4.70個(gè)百分點(diǎn)；隨著互聯(lián)網(wǎng)的逐步發(fā)展，為環(huán)境監(jiān)測(cè)，公共場(chǎng)所衛(wèi)生檢測(cè)，建設(shè)工程衛(wèi)生學(xué)評(píng)價(jià)，室內(nèi)空氣檢測(cè)等產(chǎn)品的傳播提供了一個(gè)飛速的平臺(tái)。讓儀器儀表行業(yè)從傳統(tǒng)的銷(xiāo)售模式到以互聯(lián)網(wǎng)電子商務(wù)為主的營(yíng)銷(xiāo)方式的轉(zhuǎn)變，促進(jìn)了儀器儀表行業(yè)與互聯(lián)網(wǎng)的結(jié)合，推動(dòng)產(chǎn)業(yè)創(chuàng)新發(fā)展。儀器儀表應(yīng)用領(lǐng)域?qū)挿?，覆蓋了從事商品、環(huán)境、公共衛(wèi)生的檢測(cè)及評(píng)價(jià)服務(wù)；檢測(cè)技術(shù)開(kāi)發(fā)、轉(zhuǎn)讓自研成果，并提供相關(guān)的技術(shù)咨詢(xún)和技術(shù)服務(wù)，室內(nèi)空氣檢測(cè)，廢氣廢水噪聲監(jiān)測(cè)，土壤監(jiān)測(cè)，公共場(chǎng)所衛(wèi)生檢測(cè)，生活飲用水檢測(cè)，空調(diào)通風(fēng)系統(tǒng)檢測(cè)與評(píng)價(jià)等等各方面，在國(guó)民經(jīng)濟(jì)建設(shè)各行各業(yè)的運(yùn)行過(guò)程中承擔(dān)著把關(guān)者和指導(dǎo)者的任務(wù)，儀器儀表制造行業(yè)可以分為通用儀表儀器制造、**儀器儀表制造、鐘表與計(jì)時(shí)儀器制造、光學(xué)儀器制造和衡器制造。盡管在我國(guó)相關(guān)政策的引導(dǎo)和支持下，我國(guó)儀器儀表行業(yè)得到了飛速發(fā)展。但是從銷(xiāo)售整體上看，我國(guó)的儀器儀表行業(yè)還是落后于國(guó)際水平的。重點(diǎn)技術(shù)缺乏、高精尖產(chǎn)品嚴(yán)重依賴(lài)進(jìn)口、儀器儀表產(chǎn)品同質(zhì)化嚴(yán)重、生產(chǎn)工藝落后、研發(fā)能力弱、精度不高等問(wèn)題的凸顯，為儀器儀表行業(yè)的發(fā)展帶來(lái)了嚴(yán)峻的挑戰(zhàn)。崇明區(qū)社會(huì)生活環(huán)境噪聲檢測(cè)公司</p><p style="text-indent:25px">上海綠環(huán)商品檢測(cè)有限公司致力于儀器儀表，是一家服務(wù)型公司。公司業(yè)務(wù)分為環(huán)境監(jiān)測(cè)，公共場(chǎng)所衛(wèi)生檢測(cè)，建設(shè)工程衛(wèi)生學(xué)評(píng)價(jià)，室內(nèi)空氣檢測(cè)等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶(hù)提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造儀器儀表良好品牌。上海綠環(huán)商品檢測(cè)立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶(hù)的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2882212.html</p></div></div></div></div></div><div id="fqbulcf" class="page-right twoColRt"><div id="uxyf2pg" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uikv8cj" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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