北京高級(jí)電導(dǎo)率儀上海博取環(huán)境技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電導(dǎo)率（conductivity）是用來(lái)描述物質(zhì)中電荷流動(dòng)難易程度的參數(shù)。在公式中，電導(dǎo)率用希臘字母κ來(lái)表示。電導(dǎo)率σ的標(biāo)準(zhǔn)單位是西門(mén)子/米（簡(jiǎn)寫(xiě)做S/m），為電阻率ρ的倒數(shù)，即σ=1/ρ。當(dāng)1安培（1A）電流通過(guò)物體的橫截面并存在1伏特（"><meta name="keywords" content="北京高級(jí)電導(dǎo)率儀"><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"><h1>北京高級(jí)電導(dǎo)率儀上海博取環(huán)境技術(shù)供應(yīng)</h1><div id="8lnu3pf" class="proBig"><div id="8dkhl47" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637064065225488282/6264812.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="js8c2er" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637064065225488282/6264812.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7spbyxy" 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>北京高級(jí)電導(dǎo)率儀</p><p><span>***更新：</span>2020-05-22 18:28:39</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="wkro88h" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海博取環(huán)境技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>吳龐博</p><p><span>郵箱: </span>2355456207@qq.com</p><p><span>電話(huà): </span>15900820461</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-20966896</p><p><span>地址: </span>南匯新城鎮(zhèn)海洋一路333號(hào)</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="lkw8gno" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rl38t8j" class="box"><p><p style="text-indent:25px">電導(dǎo)率（conductivity）是用來(lái)描述物質(zhì)中電荷流動(dòng)難易程度的參數(shù)。在公式中，電導(dǎo)率用希臘字母κ來(lái)表示。電導(dǎo)率σ的標(biāo)準(zhǔn)單位是西門(mén)子/米（簡(jiǎn)寫(xiě)做S/m），為電阻率ρ的倒數(shù)，即σ=1/ρ。當(dāng)1安培（1 A）電流通過(guò)物體的橫截面并存在1伏特（1 V）電壓時(shí)，物體的電導(dǎo)就是1 S。西門(mén)子實(shí)際上等效于1安培/伏特。如果σ是電導(dǎo)（單位西門(mén)子），I是電流（單位安培），E是電壓（單位伏特），則： σ = I/E 通常，當(dāng)電壓保持不變時(shí)，這種直流電電路中的電流與電導(dǎo)成比例關(guān)系。如果電導(dǎo)加倍，則電流也加倍；如果電導(dǎo)減少到它初始值的1/10，電流也會(huì)變?yōu)樵瓉?lái)的1/10。這個(gè)規(guī)則也適用于許多低頻率的交流電系統(tǒng)，如家庭電路。在一些交流電電路中，尤其是在高頻電路中，情況就變得非常復(fù)雜，北京高級(jí)電導(dǎo)率儀，因?yàn)檫@些系統(tǒng)中的組件會(huì)存儲(chǔ)和釋放能量，北京高級(jí)電導(dǎo)率儀，北京高級(jí)電導(dǎo)率儀。電導(dǎo)和電阻也有關(guān)系，如果R是一個(gè)組件和設(shè)備的電阻（單位歐姆Ω），電導(dǎo)為G（單位西門(mén)子S），則：G = 1/R</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京高級(jí)電導(dǎo)率儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637064065225488282/6264812.png"></div><p style="text-indent:25px">　熱烈祝賀上海博取環(huán)境技術(shù)有限公司網(wǎng)站成功上線(xiàn)!感謝上海珍島信息技術(shù)有限公司對(duì)我司網(wǎng)站的技術(shù)支持，歡迎新老朋友訪問(wèn)瀏覽網(wǎng)站。　　上海博取環(huán)境技術(shù)有限公司是國(guó)內(nèi)大型的水質(zhì)分析儀器、自動(dòng)化儀器儀表專(zhuān)業(yè)的生產(chǎn)制造企業(yè)，具有**的產(chǎn)品研發(fā)中心，以及齊全的工藝設(shè)備和檢測(cè)設(shè)備，為制造出性能優(yōu)良、質(zhì)量可靠的產(chǎn)品奠定了堅(jiān)實(shí)的基礎(chǔ)。上海博取環(huán)境技術(shù)有限公司經(jīng)過(guò)多年的經(jīng)營(yíng)建立了完善的產(chǎn)品體系。通過(guò)傳統(tǒng)渠道和互聯(lián)網(wǎng)渠道相結(jié)合的方式，形成了完整的營(yíng)銷(xiāo)脈絡(luò)，使貿(mào)易方式更加***豐富。上海博取儀器有限公司把質(zhì)量服務(wù)視為企業(yè)的生命，為使廣大用戶(hù)享受完整的配套服務(wù), 完善的技術(shù)咨詢(xún)及完美的售后服務(wù), 多年來(lái)產(chǎn)品服務(wù)不斷升級(jí)，得到廣大用戶(hù)的一致好評(píng)!!歡迎大家來(lái)我們公司實(shí)地考察! 　　地址：上海市浦東新區(qū)臨港新城海洋一路333號(hào)臨港科創(chuàng)中心 5#樓 2~5樓</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京高級(jí)電導(dǎo)率儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637064065225644532/1167102.png"></div><p style="text-indent:25px">水的硬度水的硬度是指水中鈣、鎂離子的濃度，硬度單位是ppm，1ppm**水中碳酸鈣含量1毫克/升(mg/L)。電導(dǎo)（G）是電阻（R）的倒數(shù)。因此當(dāng)兩個(gè)電極（通常為鉑電極或鉑黑電極）插入溶液中，可以測(cè)出兩電極間的電阻R。根據(jù)歐姆定律，溫度一定時(shí)，這個(gè)電阻值與電極間距L（cm）正比，與電極的截面積A（cm2）反比，即R =ρ×（L/A）；其中ρ為電阻率,是長(zhǎng)1cm，截面積為1cm2導(dǎo)體的電阻，其大小決定于物質(zhì)的本性。據(jù)上式，導(dǎo)體的電導(dǎo)（G）可表示成下式：G =1/R=（1/ρ）×（A/L）=K×（1/J）；其中，K=1/ρ稱(chēng)為電導(dǎo)率，J =L/A稱(chēng)為電極常數(shù)；電解質(zhì)溶液電導(dǎo)率指相距1cm的兩平行電極間充以1cm3溶液時(shí)所具有的電導(dǎo)。由上式可見(jiàn)，當(dāng)已知電極常數(shù)（J），并測(cè)出溶液電阻（R）或電導(dǎo)（G）時(shí)，即可求出電導(dǎo)率 [1] </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京高級(jí)電導(dǎo)率儀" src="http://tyunfile.71360.com/UploadFile/boqu123/637066592888837890/2673522.jpg"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/6975.html</p></div></div></div></div></div><div id="shjq3qh" class="page-right twoColRt"><div id="pendma7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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