閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu) 抱誠守真上海綠環(huán)商品檢測供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="環(huán)境噪聲監(jiān)測能力建設(shè)：“九五”期間環(huán)境噪聲監(jiān)測能力建設(shè)需求為：裝備水平上，在中國環(huán)境監(jiān)測總站配備自動采樣．（如電瓶記錄儀，磁帶記錄儀等）和信息分析儀器（如實時分析儀，閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu)、FFT分析儀，閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu)、噪聲"><meta name="keywords" content="閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu),噪聲檢測"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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clearfix"><div id="2o0q2iy" class="twoCol"><div id="c4ouykg" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_huanbao/">環(huán)保</a>?<a href="http://www.cdcfah.com/cp/second-huanbao_hjjcyq/">環(huán)境檢測儀器</a>?<a href="http://www.cdcfah.com/cp/third-hjjcyq_zaoyinjipy/">噪音計</a>?閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu) 抱誠守真上海綠環(huán)商品檢測供應(yīng)</p><div id="acmq2sq" class="leftbox clearfix"><h1>閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu) 抱誠守真上海綠環(huán)商品檢測供應(yīng)</h1><div id="mwgko4k" class="proBig"><div id="eoawawu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324871053716/8633920.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wie2esq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324871053716/8633920.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cuyuyuw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu),噪聲檢測</p><p><span>***更新：</span>2021-02-04 05:20:43</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="oiws4qs" 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: </span>021-62398830</p><p><span>地址: </span>綏德路2弄8號第四層</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="q2sywkm" class="page-proshow02"><p class="title">詳細說明</p><div id="iamaeq4" class="box"><p><p style="text-indent:25px">環(huán)境噪聲監(jiān)測能力建設(shè)：“九五”期間環(huán)境噪聲監(jiān)測能力建設(shè)需求為：裝備水平上，在中國環(huán)境監(jiān)測總站配備自動采樣．（如電瓶記錄儀，磁帶記錄儀等）和信息分析儀器（如實時分析儀，閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu)、FFT分析儀，閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu)、噪聲信息處理儀等），形成較全的環(huán)境噪聲監(jiān)測方法，標準廠家能力和**仲裁能力。在各省級環(huán)境監(jiān)測中心站建立環(huán)境噪聲信息實驗室分析系統(tǒng)，能負責省內(nèi)噪聲監(jiān)測工作的組織、噪聲監(jiān)測技術(shù)的培訓，閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu)、噪聲監(jiān)測住處的匯總。以及地市間噪聲污染糾紛的仲裁能力，各級環(huán)境監(jiān)測站均能做到按規(guī)定的監(jiān)測時段開展環(huán)境噪聲監(jiān)測，并及時地按報告制度上報監(jiān)測結(jié)果。在技術(shù)力量上，加強省級和重點城市環(huán)境監(jiān)測站環(huán)境噪聲監(jiān)測人員的專業(yè)培訓。進行噪聲測量時應(yīng)注意對背景聲進行修正。閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu),噪聲檢測" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324871053716/8633920.png"></div><p style="text-indent:25px">為了降低銑床噪聲，應(yīng)該從齒輪入手，采取了以下幾點措施：（1）提高齒輪加工精度、裝配定位精度，所有齒輪驗收時應(yīng)成對檢驗，裝配時應(yīng)保證齒輪的定位精度。（2）產(chǎn)生噪聲較大的齒輪零件，可以設(shè)計減重孔，降低固有頻率。齒輪的傳播噪聲主要由端面輻射引起，端面面積越大，噪聲值也越大。設(shè)計減重孔的目的是減少輻射面積，變成腹板式結(jié)構(gòu)，在滿足強度要求前提下，應(yīng)可能的降低重量。（3）為了進一步降低傳動噪聲，在某些場合強度要求不高時，可大膽地使用非金屬材料作為選擇齒輪的材料?；ハ鄧Ш淆X輪中，小齒輪用非金屬材料（如尼龍、夾布塑料），大齒輪用金屬材料。（4）選用同一臺齒輪加工機床所加工出來的齒輪，能夠利于降低嚙合的噪聲。加工完成后要認真清洗齒輪棱面的毛刺并防止磕碰傷，因為毛刺在齒輪嚙合過程中直接產(chǎn)生噪聲。嘉定區(qū)工廠噪聲檢測服務(wù)環(huán)境噪聲測量時，須注意使用之前應(yīng)使用活塞發(fā)聲器或聲級校準器對聲級計進行校準。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu),噪聲檢測" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324982909083/9123692.png"></div><p style="text-indent:25px">噪聲監(jiān)測要點：1、監(jiān)測因子：一般為Ld（晝間等效連續(xù)A聲級）、Ln（夜間等效連續(xù)A聲級），有突發(fā)噪聲或偶發(fā)噪聲時夜間需同時測量Lmax（較大A聲級）【Lmax必須寫上前面的限定詞語】。2、監(jiān)測布點方案：一般規(guī)定是可選擇在噪聲敏感建筑物外，距墻壁或窗戶1m處，距地面高度1.2m以上（別忘記“以上”倆字）。(PS：背景值監(jiān)測點位布設(shè)原則請查看“兔子總結(jié)第15期噪聲現(xiàn)狀監(jiān)測與敏感點環(huán)境預測噪聲預測與評價”）3、監(jiān)測時間及頻次：對敏感建筑物的環(huán)境噪聲監(jiān)測應(yīng)在周圍環(huán)境噪聲源正常工作條件下測量，根據(jù)噪聲源的運行工況，分晝、夜兩個時段連續(xù)進行。根據(jù)環(huán)境噪聲源的特性，可優(yōu)化測量時段。分為固定聲源、交通噪聲源（流動聲源）。</p><p style="text-indent:25px">噪音檢測系統(tǒng)項目：可實現(xiàn)每次噪音都有記錄，更好的查詢噪音值等信息。有問題可及時追溯到具體時間流程。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.時間模式每一個測試項目都可以定義測試時間，較大噪音值！2.手動模式根據(jù)測試開關(guān)啟動與停止來定義測試時間！也就是說同一個測試項目，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，其測試項目也不同！可以任意添加，修改，沒有局限性！可以與下位機（如plc）互聯(lián)，測試ok，則放行，ng則重測或者其他處理方式！可用其滿度波峰因數(shù)間接反映放大器的動態(tài)范圍般測量正弦波的電壓表。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu),噪聲檢測" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324969940385/755914.png"></div><p style="text-indent:25px">噪聲的監(jiān)測注意事項：測量時間。①時間段的劃分。測量時間分為：晝間和夜間兩部分。晝間還可以分為：白天、早和晚三部分。具體時間，可依地區(qū)和季節(jié)不同按當?shù)亓晳T劃定。一般采用短時間的取樣方法來測量。白天選在工作時間范圍內(nèi)（如8：00～12：00和14：00～18：00）；夜間選在睡眠時間范圍內(nèi)（如22：00～5：00）。②測量日的選擇。測量一般選擇在周一至周五的正常工作日，如果周六、日以及不同季節(jié)環(huán)境噪聲有明顯差異，必要時可要求做相應(yīng)的測量或長期連續(xù)測量。詳細測量方法參見《聲學環(huán)境噪聲的描述、測量與評價靠前部分：基本參量與評價方法》（GB/T3222.1—2006/ISO1996—1：2003）、《聲學環(huán)境噪聲的描述、測量與評價第二部分：環(huán)境噪聲級測定》（GB/T3222.2—2009）、《工作場所物理因素測量第8部分：噪聲》。周期性變化噪聲用快擋讀取較大值并讀取隨時間變化的噪聲值，也可以測量等效聲級。閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu)</p><p style="text-indent:25px">由于噪聲電壓的峰值是隨機的，即其波峰因數(shù)也是隨機的。閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu)</p><p style="text-indent:25px">不同區(qū)域噪聲檢測方法：若是廠界存在圍墻，則噪聲檢測點必須在圍墻以上，應(yīng)根據(jù)實際狀況合理設(shè)置布點的數(shù)量。接下來要按照各噪聲測點位置開展噪聲檢測工作，同時認真記錄相關(guān)數(shù)據(jù)，確保將工業(yè)等場所噪聲檢測結(jié)果準確顯示出來。三是建筑施工噪聲檢測。在建筑施工場地噪聲檢測過程中，應(yīng)從被檢測建筑物的建筑方案出發(fā)，將噪聲檢測位置與氛圍合理確定下來。應(yīng)較全掌握建筑物形成污染源位置，之后在建筑施工現(xiàn)場邊界線上選擇污染源較近的檢測點，并從施工現(xiàn)場實際情況出發(fā)，有針對性作出調(diào)整，保證獲得較佳的噪聲檢測結(jié)果。閔行區(qū)晝間噪聲檢測服務(wù)機構(gòu)</p><p style="text-indent:25px">上海綠環(huán)商品檢測有限公司位于綏德路2弄8號第四層。公司業(yè)務(wù)分為環(huán)境監(jiān)測，公共場所衛(wèi)生檢測，建設(shè)工程衛(wèi)生學評價，室內(nèi)空氣檢測等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在儀器儀表深耕多年，以技術(shù)為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造儀器儀表良好品牌。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”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3153965.html</p></div></div></div></div></div><div id="2quqese" class="page-right twoColRt"><div id="g4us2e4" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2cy42ck" 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