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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>黃浦區(qū)高頻噪聲檢測價(jià)格,噪聲檢測</p><p><span>***更新：</span>2021-01-12 01:27:16</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ygwqioy" 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: </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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="uyo22se" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2s4ouse" class="box"><p><p style="text-indent:25px">工廠為什么要做噪聲檢測：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規(guī)律的震蕩稱之為噪聲。從環(huán)境保護(hù)角度而論，凡是人們所不需要的聲音統(tǒng)稱為噪聲。糾正錯(cuò)誤觀念，只要聲音大了，即使是音樂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)行測量和控制的干擾周圍生活環(huán)境的聲音。人長期在噪音環(huán)境（75dBA及以上）中工作或生活，會(huì)造成聽覺疲勞、視力下降，嚴(yán)重者會(huì)造成長久性聽力損傷，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，員工情緒煩燥不安，注意力無法集中，黃浦區(qū)高頻噪聲檢測價(jià)格，黃浦區(qū)高頻噪聲檢測價(jià)格，易導(dǎo)致工作失誤，黃浦區(qū)高頻噪聲檢測價(jià)格，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。測量中要考慮背景噪聲的影響。黃浦區(qū)高頻噪聲檢測價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黃浦區(qū)高頻噪聲檢測價(jià)格,噪聲檢測" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324718045812/3185742.png"></div><p style="text-indent:25px">噪聲的監(jiān)測注意事項(xiàng)：一是測量儀器。所有測量儀器均應(yīng)符合相應(yīng)標(biāo)準(zhǔn)，使用前必須校準(zhǔn)。首先測量噪聲級(jí)時(shí)，使用精密和普通聲級(jí)計(jì)，如需測量噪聲頻譜，需要聲級(jí)計(jì)上佩帶濾波器;其次測量等效聲級(jí)時(shí)，使用積分聲級(jí)計(jì);再次測量脈沖噪聲則使用脈沖聲級(jí)計(jì);較后測量聲強(qiáng)或分析噪聲信號(hào)時(shí)使用聲強(qiáng)計(jì)、實(shí)時(shí)分析儀等。二是測量條件。首先測量中要考慮背景噪聲的影響。當(dāng)所測噪聲高出背景噪聲不足10dB時(shí)，應(yīng)按規(guī)定修正測量結(jié)果;當(dāng)所測噪聲高出背景不足3dB時(shí)，測量結(jié)果不能作為任何依據(jù)，只能作為參考。其次當(dāng)環(huán)境天氣風(fēng)速大于四級(jí)時(shí)，應(yīng)停止室外測量。較后測量時(shí)要避免高溫、高濕、強(qiáng)磁場、地面和墻面反射等因素的影響。黃浦區(qū)高頻噪聲檢測價(jià)格脈沖噪聲讀取其峰值和脈沖保持值或測量等效聲級(jí)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黃浦區(qū)高頻噪聲檢測價(jià)格,噪聲檢測" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324969940385/755914.png"></div><p style="text-indent:25px">機(jī)床噪聲的檢測：依據(jù)《金屬切削機(jī)床噪聲測量》（JB2281-78）的規(guī)定，機(jī)床噪聲的允許標(biāo)準(zhǔn)應(yīng)是：精密機(jī)床應(yīng)小于75中頻，一般機(jī)床應(yīng)小于85中低頻。但到一定的磨合期，機(jī)床各個(gè)部件與機(jī)構(gòu)會(huì)產(chǎn)生變形，齒輪之間會(huì)出現(xiàn)磨損，從而產(chǎn)生非正常的噪聲。以實(shí)驗(yàn)檢測和總結(jié)，機(jī)床的噪聲主要有以下四個(gè)方面：（1）機(jī)械式噪聲，如齒輪、絲杠、軸承和其它聯(lián)軸節(jié)的噪聲。（2）液壓式噪聲，齒輪泵、節(jié)流閥等噪聲。（3）空氣振動(dòng)噪聲，電動(dòng)機(jī)散熱風(fēng)扇等噪聲。（4）電磁式噪聲，變壓器等。噪聲源彼此之間又是相互疊加的，它們的互相疊加會(huì)使噪聲加大，會(huì)形成共振。就機(jī)床噪聲產(chǎn)生而言，可能是傳動(dòng)系統(tǒng)中零件的變形與受力，也可能是機(jī)械零件的加工精度和裝配誤差引起的，但更重要的原因則是齒輪所致。</p><p style="text-indent:25px">噪音檢測系統(tǒng)項(xiàng)目：可實(shí)現(xiàn)每次噪音都有記錄，更好的查詢?cè)胍糁档刃畔ⅰＳ袉栴}可及時(shí)追溯到具體時(shí)間流程。系統(tǒng)和人員雙重判斷較大提高效率和有效控制異常流出。靜音房噪音檢測系統(tǒng)：1.時(shí)間模式每一個(gè)測試項(xiàng)目都可以定義測試時(shí)間，較大噪音值！2.手動(dòng)模式根據(jù)測試開關(guān)啟動(dòng)與停止來定義測試時(shí)間！也就是說同一個(gè)測試項(xiàng)目，可以測試秒,也可以測試10秒。座椅測試配置不同的配置信息，其測試項(xiàng)目也不同！可以任意添加，修改，沒有局限性！可以與下位機(jī)（如plc）互聯(lián)，測試ok，則放行，ng則重測或者其他處理方式！檢測數(shù)據(jù)記錄在冊(cè)在保證儀器正常的情況。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黃浦區(qū)高頻噪聲檢測價(jià)格,噪聲檢測" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324923778264/1912157.png"></div><p style="text-indent:25px">噪聲監(jiān)測站行業(yè)現(xiàn)狀分析報(bào)告主要分析要點(diǎn)有：1）噪聲監(jiān)測站行業(yè)生命周期。通過對(duì)噪聲監(jiān)測站行業(yè)的市場增長率、需求增長率、產(chǎn)品品種、競爭者數(shù)量、進(jìn)入壁壘及退出壁壘、技術(shù)變革、用戶購買行為等研判行業(yè)所處的發(fā)展階段；2）噪聲監(jiān)測站行業(yè)市場供需平衡。通過對(duì)噪聲監(jiān)測站行業(yè)的供給狀況、需求狀況以及進(jìn)出口狀況研判行業(yè)的供需平衡狀況，以期掌握行業(yè)市場飽和程度；3）噪聲監(jiān)測站行業(yè)競爭格局。通過對(duì)噪聲監(jiān)測站行業(yè)的供應(yīng)商的討價(jià)還價(jià)能力、購買者的討價(jià)還價(jià)能力、潛在競爭者進(jìn)入的能力、替代品的替代能力、行業(yè)內(nèi)競爭者現(xiàn)在的競爭能力的分析，掌握決定行業(yè)利潤水平的五種力量；4）噪聲監(jiān)測站行業(yè)經(jīng)濟(jì)運(yùn)行。主要為數(shù)據(jù)分析，包括噪聲監(jiān)測站行業(yè)的競爭企業(yè)個(gè)數(shù)、從業(yè)人數(shù)、工業(yè)總產(chǎn)值、銷售產(chǎn)值、出口值、產(chǎn)成品、銷售收入、利潤總額、資產(chǎn)、負(fù)債、行業(yè)成長能力、盈利能力、償債能力、運(yùn)營能力。測量時(shí)要避免高溫、高濕、強(qiáng)磁場、地面和墻面反射等因素的影響。黃浦區(qū)高頻噪聲檢測價(jià)格</p><p style="text-indent:25px">滿度波峰因數(shù)和測量時(shí)間的影響。黃浦區(qū)高頻噪聲檢測價(jià)格</p><p style="text-indent:25px">噪聲檢測中應(yīng)注意的問題：1.噪聲檢測布點(diǎn)問題噪聲檢測布點(diǎn)關(guān)系著噪聲數(shù)據(jù)的收集，從當(dāng)前很多城市噪聲檢測布點(diǎn)情況來看，不僅設(shè)置問題存在很大差異，同時(shí)也只是在交通要道與車流量較多的區(qū)域布設(shè)噪聲檢測點(diǎn)，這樣會(huì)導(dǎo)致收集的數(shù)據(jù)與資料不夠真實(shí)，缺乏實(shí)用性。各地區(qū)環(huán)境情況不一樣，噪聲污染也各不相同，因此要合理布設(shè)噪聲檢測點(diǎn)，這關(guān)系著是否能夠有效開展噪聲檢測工作，除了在上述區(qū)域布設(shè)噪聲檢測點(diǎn)以后，還要擴(kuò)大布設(shè)范圍，保證監(jiān)測數(shù)據(jù)的真實(shí)性。2.噪聲檢測儀器設(shè)備問題隨著噪聲污染的日益加重，我國也更加注重對(duì)噪聲污染的控制，在噪聲檢測工作中，相關(guān)儀器設(shè)備發(fā)揮著重要作用，如收集數(shù)據(jù)、控制噪聲污染等。黃浦區(qū)高頻噪聲檢測價(jià)格</p><p style="text-indent:25px">上海綠環(huán)商品檢測有限公司致力于儀器儀表，是一家服務(wù)型公司。上海綠環(huán)商品檢測致力于為客戶提供良好的環(huán)境監(jiān)測，公共場所衛(wèi)生檢測，建設(shè)工程衛(wèi)生學(xué)評(píng)價(jià)，室內(nèi)空氣檢測，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。上海綠環(huán)商品檢測秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2805211.html</p></div></div></div></div></div><div id="eo8sokw" class="page-right twoColRt"><div id="6ai68aq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="220yuuu" 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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