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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ibtsefm" 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>虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu),噪聲檢測(cè)</p><p><span>***更新：</span>2021-01-25 01:17:30</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="7bf9hyp" 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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="dbd9nz8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2fmgcoa" class="box"><p><p style="text-indent:25px">中國(guó)環(huán)境噪聲監(jiān)測(cè)工作目標(biāo)：我國(guó)環(huán)境監(jiān)測(cè)工作目標(biāo)是較終實(shí)現(xiàn)自動(dòng)連續(xù)監(jiān)測(cè)，虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu)。到2010年，各機(jī)場(chǎng)航空噪聲、城市火車(chē)站鐵路噪聲和所有城市功能區(qū)噪聲全部實(shí)現(xiàn)自動(dòng)連續(xù)監(jiān)測(cè)，區(qū)域環(huán)境噪聲和道路交通噪聲實(shí)現(xiàn)自動(dòng)采樣，數(shù)據(jù)處理實(shí)現(xiàn)計(jì)算機(jī)化。中國(guó)環(huán)境噪聲監(jiān)測(cè)技術(shù)路線運(yùn)用具有自動(dòng)采樣功能的環(huán)境噪聲自動(dòng)監(jiān)測(cè)儀、積分聲級(jí)計(jì)，虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu)、噪聲數(shù)據(jù)采集器設(shè)備，按網(wǎng)格布點(diǎn)法進(jìn)行區(qū)域環(huán)境噪聲監(jiān)測(cè)，按路段布點(diǎn)法進(jìn)行道路交通噪聲監(jiān)測(cè)，按分期定點(diǎn)連續(xù)監(jiān)測(cè)法進(jìn)行功能區(qū)噪聲監(jiān)測(cè)。在大型國(guó)際空港航空噪聲自動(dòng)監(jiān)測(cè)系統(tǒng)，虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu)，在穿越大型城市的鐵路樞紐站、場(chǎng)建立鐵路噪聲自動(dòng)監(jiān)測(cè)系統(tǒng)。在全國(guó)建成功能完善的城市環(huán)境噪聲監(jiān)測(cè)網(wǎng)絡(luò)和重點(diǎn)交通噪聲源自動(dòng)監(jiān)測(cè)網(wǎng)絡(luò)系統(tǒng)。尋找噪聲源對(duì)其檢測(cè)接下來(lái)采樣人員便需要尋找到噪聲源。虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu),噪聲檢測(cè)" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324871053716/8633920.png"></div><p style="text-indent:25px">目前的國(guó)內(nèi)聲學(xué)振動(dòng)測(cè)試領(lǐng)域主要存在下面三個(gè)問(wèn)題：一、設(shè)備專(zhuān)業(yè)性高，而懂聲振測(cè)試及分析的從業(yè)人員較少。二、常用的NVH測(cè)試設(shè)備、多通道高精度儀器都是國(guó)外的設(shè)備，軟件和硬件打包售賣(mài)，價(jià)格昂貴。三、特殊領(lǐng)域的測(cè)試系統(tǒng)比如高聲強(qiáng)測(cè)試國(guó)內(nèi)無(wú)通用裝備。而很多敏感領(lǐng)域，比如**，航空航天專(zhuān)業(yè)又無(wú)法使用國(guó)外產(chǎn)品。聲學(xué)振動(dòng)測(cè)試行業(yè)格局曾經(jīng)隨著DSP技術(shù)的發(fā)展有過(guò)重大變化，以模擬電路為信號(hào)處理主力的廠家不再有壟斷地位。而當(dāng)前隨著現(xiàn)代社會(huì)的發(fā)展，通信網(wǎng)和互聯(lián)網(wǎng)的普遍推廣和網(wǎng)絡(luò)延伸，同時(shí)智能手機(jī)的普及，各種移動(dòng)設(shè)備處理器的性能突飛猛進(jìn)，已經(jīng)遠(yuǎn)遠(yuǎn)超過(guò)單通道信號(hào)采集和實(shí)時(shí)簡(jiǎn)單處理的運(yùn)算能力要求。可以想象，與現(xiàn)有的通信網(wǎng)絡(luò)及智能設(shè)備的結(jié)合的聲學(xué)振動(dòng)測(cè)試設(shè)備將是行業(yè)格局變化的一個(gè)新的契機(jī)。虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu)城市各功能區(qū)噪聲監(jiān)測(cè)、道路交通噪聲監(jiān)測(cè)、區(qū)域環(huán)境噪聲監(jiān)測(cè)和噪聲源監(jiān)測(cè)等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu),噪聲檢測(cè)" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449324890047773/7662206.png"></div><p style="text-indent:25px">噪聲監(jiān)測(cè)要點(diǎn)：1、監(jiān)測(cè)因子：一般為L(zhǎng)d（晝間等效連續(xù)A聲級(jí)）、Ln（夜間等效連續(xù)A聲級(jí)），有突發(fā)噪聲或偶發(fā)噪聲時(shí)夜間需同時(shí)測(cè)量Lmax（較大A聲級(jí)）【Lmax必須寫(xiě)上前面的限定詞語(yǔ)】。2、監(jiān)測(cè)布點(diǎn)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(hù)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(cè)點(diǎn)位布設(shè)原則請(qǐng)查看“兔子總結(jié)第15期噪聲現(xiàn)狀監(jiān)測(cè)與敏感點(diǎn)環(huán)境預(yù)測(cè)噪聲預(yù)測(cè)與評(píng)價(jià)”）3、監(jiān)測(cè)時(shí)間及頻次：對(duì)敏感建筑物的環(huán)境噪聲監(jiān)測(cè)應(yīng)在周?chē)h(huán)境噪聲源正常工作條件下測(cè)量，根據(jù)噪聲源的運(yùn)行工況，分晝、夜兩個(gè)時(shí)段連續(xù)進(jìn)行。根據(jù)環(huán)境噪聲源的特性，可優(yōu)化測(cè)量時(shí)段。分為固定聲源、交通噪聲源（流動(dòng)聲源）。</p><p style="text-indent:25px">不同區(qū)域噪聲檢測(cè)方法：一是交通噪聲檢測(cè)。在檢測(cè)交通車(chē)輛造成的噪聲過(guò)程中，應(yīng)清楚知道檢測(cè)區(qū)域附近是否存在反射物，盡量減少外界的干擾，保證檢測(cè)結(jié)果的準(zhǔn)確性。在條件充足的狀況下，可以開(kāi)展交通行駛車(chē)輛噪聲檢測(cè)工作，車(chē)輛應(yīng)保持勻速行駛狀態(tài)，這樣才能減小噪聲測(cè)量誤差。同時(shí)，應(yīng)多方面檢測(cè)交通噪聲，包括車(chē)內(nèi)與車(chē)外噪聲等，掌握各種車(chē)輛的噪聲情況。之后按照各種機(jī)動(dòng)車(chē)輛實(shí)際狀況，認(rèn)真開(kāi)展數(shù)據(jù)分析與整理工作，確保噪聲檢測(cè)目標(biāo)正常實(shí)現(xiàn)。二是工業(yè)噪聲檢測(cè)。在工業(yè)等場(chǎng)所噪聲檢測(cè)過(guò)程中，先要將測(cè)點(diǎn)位置合理確定下來(lái)，通常來(lái)說(shuō)，測(cè)點(diǎn)位置要在法定廠界外1m與高度超過(guò)1.2m的噪聲敏感處。測(cè)量中要考慮背景噪聲的影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu),噪聲檢測(cè)" src="https://tyunfile.71360.com/UploadFile/SHLHJC1/637449325044862253/7947881.png"></div><p style="text-indent:25px">噪音檢測(cè)系統(tǒng)項(xiàng)目：可實(shí)現(xiàn)每次噪音都有記錄，更好的查詢(xún)?cè)胍糁档刃畔?。有?wèn)題可及時(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(cè)系統(tǒng)：1.時(shí)間模式每一個(gè)測(cè)試項(xiàng)目都可以定義測(cè)試時(shí)間，較大噪音值！2.手動(dòng)模式根據(jù)測(cè)試開(kāi)關(guān)啟動(dòng)與停止來(lái)定義測(cè)試時(shí)間！也就是說(shuō)同一個(gè)測(cè)試項(xiàng)目，可以測(cè)試秒,也可以測(cè)試10秒。座椅測(cè)試配置不同的配置信息，其測(cè)試項(xiàng)目也不同！可以任意添加，修改，沒(méi)有局限性！可以與下位機(jī)（如plc）互聯(lián)，測(cè)試ok，則放行，ng則重測(cè)或者其他處理方式！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。虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu)</p><p style="text-indent:25px">選擇測(cè)量?jī)x器時(shí)，首先應(yīng)根據(jù)測(cè)量需要，決定儀器的精度等級(jí)和性能規(guī)格。虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu)</p><p style="text-indent:25px">噪聲的壞處：干擾休息和睡眠。休息和睡眠是人們消除疲勞、恢復(fù)體力和維持健康的必要條件。但噪聲使人不得安寧，難以休息和入睡。當(dāng)人輾轉(zhuǎn)不能入睡時(shí)，便會(huì)心態(tài)緊張，呼吸急促，脈搏跳動(dòng)加劇，大腦興奮不止，第二天就會(huì)感到疲倦，或四肢無(wú)力。從而影響到工作和學(xué)習(xí)，久而久之，就會(huì)得神經(jīng)衰弱癥，表現(xiàn)為、耳鳴、疲勞。人進(jìn)入睡眠之后，即使是40－50分貝較輕的噪聲干擾，也會(huì)從熟睡狀態(tài)變成半熟睡狀態(tài)。人在熟睡狀態(tài)時(shí)，大腦活動(dòng)是緩慢而有規(guī)律的，能夠得到充分的休息；而半熟睡狀態(tài)時(shí)，大腦仍處于緊張、活躍的階段，這就會(huì)使人得不到充分的休息和體力的恢復(fù)。虹口區(qū)生產(chǎn)性噪聲檢測(cè)服務(wù)機(jī)構(gòu)</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)型的公司。上海綠環(huán)商品檢測(cè)致力于為客戶(hù)提供良好的環(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)，一切以用戶(hù)需求為中心，深受廣大客戶(hù)的歡迎。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。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2994794.html</p></div></div></div></div></div><div id="kta42g7" class="page-right twoColRt"><div id="k3uevco" 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