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class="leftbox clearfix"><h1>北京原裝便攜式CO分析儀多少錢 **** 中船重工安譜（湖北）儀器供應(yīng)</h1><div id="3fnllpz" class="proBig"><div id="4qxhr8y" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/anpuyq/637127160320576172/4757719.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="epzbwlk" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/anpuyq/637127160320576172/4757719.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pusgggb" 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>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京原裝便攜式CO分析儀多少錢,便攜式CO分析儀</p><p><span>***更新：</span>2020-08-27 13:12:00</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ytdx3oy" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">中船重工安譜（湖北）儀器有限公司</a></p><p><span>聯(lián)系人：</span>李雪</p><p><span>郵箱: </span>lx@hzgli.com</p><p><span>電話: </span>19171399710</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0571-86094492</p><p><span>地址: </span>高新區(qū)蘭臺路13號</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="fj8foiy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="936jw3w" class="box"><p><p> 中船安譜儀器符合GFC-500A便攜式紅外CO分析儀符合《公共場所衛(wèi)生檢驗(yàn)方法》的國家標(biāo)準(zhǔn)，滿足JJG635-2011《一氧化碳，北京原裝便攜式CO分析儀多少錢、二氧化碳紅外線氣體分析器》中規(guī)定的計量檢測要求，已通過國家計量部門的型式評價，并取得了生產(chǎn)許可證書。產(chǎn)品可廣泛應(yīng)用于環(huán)境監(jiān)測、化工，北京原裝便攜式CO分析儀多少錢、石油、倉儲、疾控等領(lǐng)域。 </p> <p> 隨著空氣污染的日益嚴(yán)峻，人們對大氣中的污染氣體倍加關(guān)注。CO屬于大氣中的重要污染物。它無色無味，化學(xué)性質(zhì)穩(wěn)定，主要來源于燃煤和機(jī)動車排氣，當(dāng)大氣中CO達(dá)到一定濃度時，心肌梗塞患者發(fā)病率會增高，北京原裝便攜式CO分析儀多少錢，達(dá)到某一更高濃度時，嚴(yán)重心臟病人就會死亡。可見，CO作為一種重要的污染氣體應(yīng)當(dāng)引起人們足夠的重視。 </p> <p> <p> </p> 中船重工安譜儀器生產(chǎn)的GFC-500A便攜式紅外CO分析儀采用非分光紅外光譜技術(shù)，質(zhì)量可靠。北京原裝便攜式CO分析儀多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京原裝便攜式CO分析儀多少錢,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127160320576172/4757719.png"></div><p> 樣品的分析取樣點(diǎn)要選擇在氣體具有代表性的地點(diǎn)，才能測得真實(shí)的濃度，用采樣袋采樣前先用現(xiàn)場空氣洗 3 - 4 次，然后再采樣，并保證足夠的采氣量（至少 500ml），并防止漏氣，被測氣路要盡可能地短，以減少滯后時間。為避免污染，樣品氣體要經(jīng)過玻璃纖維膜去除顆粒物，并干燥后再進(jìn)入儀器。結(jié)果計算每一臺紅外分析器都附有一條分析信號輸出特性曲線（mA - ppm 曲線）記錄儀表上指示的電流 mA 值，在曲線上可查出相應(yīng)的 ppm 值，再通過 </p> <p> 公式 CO（mg / m3）= l. 25C（ppm）計算出需要的**終結(jié)果?；蛘页?ppm 值與 mA 值的函數(shù)關(guān)系，進(jìn)而換算 mg / m3 值與 mA 的函數(shù)關(guān)系，可通過輸出 mA 值直接計算出 mg / m3 值北京原裝便攜式CO分析儀多少錢中船重工安譜生產(chǎn)的便攜式紅外CO分析儀質(zhì)量好，廠家直銷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京原裝便攜式CO分析儀多少錢,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161010039062/4427614.png"></div><p> 中船重工安譜（湖北）儀器有限公司研發(fā)生產(chǎn)的GFC-500A便攜式紅外CO分析儀采用非分光紅外光譜技術(shù)，基本原理是CO分子對特定紅外光具有吸收效應(yīng)，基本關(guān)系符合Beer-Lambert定律。該儀器通過設(shè)計穩(wěn)定可靠的多次反射吸收池來提高檢測靈敏度，并采用氣體濾波技術(shù)增強(qiáng)復(fù)雜環(huán)境下的抗干擾能力。 </p> <p> 非分光紅外氣體濃度探測技術(shù) ，紅外氣體濃度檢測基于氣體分子對紅外光的選擇吸收，即氣體分子只能吸收那些能量正好等于它某兩個能級的能量之差的光子。不同氣體分子因?yàn)槠洳煌Y(jié)構(gòu)所決定的不同能級而吸收不同頻率的光子。當(dāng)一束紅外光通過充有氣體的氣室時，氣體分子吸收光能量，吸收關(guān)系遵循Lambert-Beer 定律。如果氣體吸收譜線在入射光源光譜范圍內(nèi)，那么光通過氣體以后，在相應(yīng)譜線處會發(fā)生光強(qiáng)的衰減。非分光紅外技術(shù)采用單光束雙波長的探測方法。紅外光源發(fā)出單束紅外光通過測量氣室，在探測器端設(shè)置 2 個**的探測單元，且表面附有的濾光片窗口，分別為探測窗口和參考窗口。探測窗口透射頻帶位于 CO 氣體吸收中心，參考窗口透射頻帶遠(yuǎn)離該區(qū)域且不被其他氣體吸收 </p><p> 中船重工安譜（湖北）儀器有限公司研發(fā)生產(chǎn)的GFC-500A便攜式紅外CO分析儀采用非分光紅外光譜技術(shù)，基本原理是CO分子對特定紅外光具有吸收效應(yīng)，基本關(guān)系符合Beer-Lambert定律。該儀器通過設(shè)計穩(wěn)定可靠的多次反射吸收池來提高檢測靈敏度，并采用氣體濾波技術(shù)增強(qiáng)復(fù)雜環(huán)境下的抗干擾能力。 </p> <p> 近年來，隨著工業(yè)的發(fā)展，鍋爐等燃燒排放的 CO 引起的環(huán)境污染越來越嚴(yán)重；在煤氣、井下作業(yè)等場合，由 CO 引起的中毒***也頻繁發(fā)生。因此，實(shí)時、準(zhǔn)確地測出這些場合 CO 氣體的濃度，對保障生產(chǎn)、生活安全具有十分重要的意義。 </p> <p> </p> <p> GFC-500A便攜式紅外CO分析儀采用非分光紅外光譜技術(shù)，基本原理是CO分子對特定紅外光具有吸收效應(yīng)，基本關(guān)系符合Beer-Lambert定律。該儀器通過設(shè)計穩(wěn)定可靠的多次反射吸收池來提高檢測靈敏度，并采用氣體濾波技術(shù)增強(qiáng)復(fù)雜環(huán)境下的抗干擾能力。 </p> <p> 中船重工安譜儀器GFC-500A符合《公共場所衛(wèi)生檢驗(yàn)方法》的國家標(biāo)準(zhǔn)，滿足JJG635-2011《一氧化碳、二氧化碳紅外線氣體分析器》中規(guī)定的計量檢測要求，已通過國家計量部門的型式評價，并取得了生產(chǎn)許可證書。產(chǎn)品可廣泛應(yīng)用于環(huán)境監(jiān)測、化工、石油、倉儲、疾控等領(lǐng)域。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京原裝便攜式CO分析儀多少錢,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161997363281/3180751.png"></div><p> BP神經(jīng)網(wǎng)絡(luò)簡介誤差反向傳播(ErrorBackpagation，BP)神經(jīng)網(wǎng)絡(luò)是20世紀(jì)80年代中后期由Rumelhart、lelland等科學(xué)家成立的ParallelDistributedcession小組提出的[30]，它能學(xué)習(xí)和儲存大量輸入-輸出模式的映射關(guān)系，已經(jīng)證明，BP神經(jīng)網(wǎng)絡(luò)不再局限在處理簡單的線性問題上，更具有實(shí)現(xiàn)任何復(fù)雜的非線性映射的能力，而且無需事前揭示描述這種映射關(guān)系的數(shù)學(xué)模型或方程，特別適合求解內(nèi)部機(jī)制復(fù)雜的問題。解決了多層神經(jīng)網(wǎng)絡(luò)的學(xué)習(xí)問題，極大地促進(jìn)了神經(jīng)網(wǎng)絡(luò)的發(fā)展，成為目前應(yīng)用*****的神經(jīng)網(wǎng)絡(luò)模型之一。在Lambert-Beer定律中的吸收系數(shù)&是一個非常復(fù)雜的量，它受環(huán)境溫度、壓強(qiáng)、氣體種類、入射光波長等因素的影響，并且是非線性關(guān)系，無法獲得準(zhǔn)確的解析式，如果在測量co2氣體濃度時將環(huán)境溫度、壓強(qiáng)等看成理想狀態(tài)，吸收系數(shù)&考慮成定值，貝IJ失去了在實(shí)際應(yīng)用中的意義。與大多數(shù)紅外co2氣體濃度測量裝置采用**小二乘法對不同環(huán)境下co2氣體的測量結(jié)果進(jìn)行直線、多項(xiàng)式或**擬合不同，本論文考慮到BP神經(jīng)網(wǎng)絡(luò)在解決非線性問題上具有獨(dú)特的優(yōu)越性，決定采用這一種新型的建模方案來建立一個“三輸入-單輸出”模型。將紅外探測器輸出的參考通道信號、測量通道信號。湖北口碑好便攜式CO分析儀免費(fèi)咨詢</p><p style="text-indent:25px">北京原裝便攜式CO分析儀多少錢</p><p style="text-indent:25px">在人類社會進(jìn)入知識經(jīng)濟(jì)時代、信息技術(shù)高速發(fā)展的背景下，儀器儀表及其測量限制技術(shù)得到日益寬泛應(yīng)用，給儀器儀表行業(yè)的飛快發(fā)展提供了良好契機(jī)。經(jīng)過近十年來的建設(shè)與發(fā)展，我國儀器儀表已經(jīng)初步形成產(chǎn)品門類品種比較齊全，具有一定生產(chǎn)規(guī)模和開發(fā)能力的產(chǎn)業(yè)體系，成為亞洲除日本以外第二大儀器儀表生產(chǎn)國。我國現(xiàn)有有限責(zé)任公司企業(yè)數(shù)千多家，已經(jīng)形成門類品種比較齊全，具有一定技術(shù)基礎(chǔ)和生產(chǎn)規(guī)模的產(chǎn)業(yè)體系。但同時業(yè)內(nèi)行家也指出，雖然我國測試儀器產(chǎn)業(yè)有了一定的發(fā)展，但遠(yuǎn)遠(yuǎn)不能滿足國民經(jīng)濟(jì)各行各業(yè)日益增長的迫切需求。隨著手機(jī)移動網(wǎng)絡(luò)的消費(fèi)潛力不斷隱現(xiàn)，消費(fèi)者利用手機(jī)消費(fèi)的頻率和份額逐年遞增。移動互聯(lián)網(wǎng)所隱藏的商業(yè)價值被更多地挖掘出來之后，各種傳統(tǒng)行業(yè)（包括便攜式爆炸物毒品檢測儀，便攜式紅外CO分析儀，水質(zhì)分析儀，水質(zhì)濁度分析儀行業(yè)）的移動網(wǎng)上平臺相繼誕生。我國生產(chǎn)型發(fā)展迅速，年均增長速度超過20%。在相關(guān)報告中可以全力了解到在我國工業(yè)基礎(chǔ)生產(chǎn)型產(chǎn)業(yè)現(xiàn)狀研究的成果。北京原裝便攜式CO分析儀多少錢</p><p style="text-indent:25px">中船重工安譜（湖北）儀器有限公司成立于2016年6月，位于全國旅游名城——湖北省宜昌市。公司由中國船舶集團(tuán)有限公司批準(zhǔn)，是一家央企控股的高科技儀器公司。公司由中船重工第七一〇研究所、中船重工科技投資發(fā)展有限公司及**技術(shù)持有者共同注資成立。公司定位面向“**、環(huán)境監(jiān)測、生命健康”三個方向，開展**分析檢測儀器的研發(fā)、生產(chǎn)及銷售。公司成立以來先后并得到湖北省科技廳、湖北省安監(jiān)局、宜昌市科技局、陸軍裝備部、海軍研究院等軍地多個部門的項(xiàng)目支持。公司占地面積約3500平米，下設(shè)化學(xué)實(shí)驗(yàn)室、機(jī)械實(shí)驗(yàn)室、電學(xué)實(shí)驗(yàn)室、光學(xué)實(shí)驗(yàn)室、聯(lián)調(diào)總裝實(shí)驗(yàn)室等多個實(shí)驗(yàn)室，同時設(shè)有**的生產(chǎn)車間，能達(dá)到年產(chǎn)量10000臺套儀器生產(chǎn)水平。公司以建設(shè)一支“上下一心、勇猛頑強(qiáng)、專業(yè)***、成長迅速”的人才隊(duì)伍為目標(biāo)，現(xiàn)有員工70余人，其中博士2人，碩士30余人，高級工程師3人，湖北省英才計劃**1名。公司技術(shù)人員涵蓋機(jī)械、電子、光學(xué)、軟件、化學(xué)分析、自動控制、精密儀器、系統(tǒng)仿真等各個專業(yè)。公司秉承“客戶***，技術(shù)**”的發(fā)展理念，始終以“攀探測***，護(hù)華夏安全”使命為己任，聚焦軍民用市場客戶需求，立志成為世界前列的高科技精密儀器公司。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1059172.html</p></div></div></div></div></div><div id="6lztb2f" class="page-right twoColRt"><div id="jp2fo3n" class="box01 margin10 clearfix"><h3><a 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