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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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id="8bskegy" class="proBig"><div id="o4xpmo7" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/12/17/637012289732688314_tstqcyp_8636610.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dpb7nct" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/12/17/637012289732688314_tstqcyp_8636610.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ys7shzg" 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>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>烏魯木齊市防凍冷卻液需要多少錢,冷卻液</p><p><span>***更新：</span>2020-11-03 02:04:35</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="scmtliu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">烏魯木齊天馳通汽車用品有限公司</a></p><p><span>聯(lián)系人：</span>李寶文</p><p><span>郵箱: </span>1211265517@qq.com</p><p><span>電話: </span>13899998184</p><p><span>傳真: </span>0991_8791499</p><p><span>網(wǎng)址: </span>http://tstqcyp.shop.88360.com</p><p><span>手機(jī): </span>0991-8791499</p><p><span>地址: </span>新疆烏魯木齊市頭屯河區(qū)銀河街50號(hào)</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="ix23e3o" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="l3tv8bt" class="box"><p><p style="text-indent:25px">冷卻液，全稱應(yīng)該叫防凍冷卻液，意為有防凍功能的冷卻液，烏魯木齊市防凍冷卻液需要多少錢，防凍液可以防止寒冷季節(jié)停車時(shí)冷卻液結(jié)冰而脹裂散熱器和凍壞發(fā)動(dòng)機(jī)氣缸體，烏魯木齊市防凍冷卻液需要多少錢，但是我們要糾正一個(gè)誤解，防凍液不**是冬天用的，烏魯木齊市防凍冷卻液需要多少錢，它應(yīng)該全年使用，汽車正常的保養(yǎng)項(xiàng)目中，每行駛一年，需更換發(fā)動(dòng)機(jī)防凍液。烏魯木齊市防凍冷卻液需要多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊市防凍冷卻液需要多少錢,冷卻液" src="http://tyunfile.71360.com/UpLoadFile/2019/8/12/17/637012289732688314_tstqcyp_8636610.jpg"></div><p style="text-indent:25px">有機(jī)酸型：有機(jī)酸配方有的只使用有機(jī)酸緩蝕劑和銅特點(diǎn)緩蝕劑，有的以有機(jī)酸緩蝕劑為主，含少量無機(jī)緩蝕劑。有機(jī)酸緩蝕劑主要指含4個(gè)碳原子以上的一元酸和6個(gè)碳原子以上的二元酸及相應(yīng)的鹽，對(duì)冷卻系統(tǒng)中的鋼鐵及鋁等多種金屬都有保護(hù)作用，而且在使用中消耗緩慢，用于輕負(fù)荷發(fā)動(dòng)機(jī)冷卻液可以明顯延長(zhǎng)冷卻液的使用壽命；用于重負(fù)荷發(fā)動(dòng)機(jī)冷卻液，則可以免除添加延效劑的麻煩，因而同時(shí)受到輕負(fù)荷和重負(fù)荷發(fā)動(dòng)機(jī)冷卻液的青睞，是近年來應(yīng)用較多的一類緩蝕劑。有機(jī)酸型冷卻液的主要技術(shù)難點(diǎn)是選擇合適的抗泡劑以及解決玻璃器皿腐蝕、傳熱腐蝕和模擬使用腐蝕中鋁片變黑的問題。經(jīng)過多方面試驗(yàn)研究，目前在這方面取得了較大進(jìn)展。烏魯木齊市防凍冷卻液需要多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊市防凍冷卻液需要多少錢,冷卻液" src="http://tyunfile.71360.com/UpLoadFile/2019/8/12/17/637012289662655078_tstqcyp_2374457.jpg"></div><p style="text-indent:25px">磷酸鹽型：無機(jī)磷酸鹽型緩蝕體系以磷酸鹽和硼砂為主劑，不含硅酸鹽。該體系對(duì)冷卻系統(tǒng)中鋼、鑄鐵有較好的保護(hù)作用，對(duì)鋁也有一定保護(hù)作用，適合以鋼、鑄鐵為主要材質(zhì)的發(fā)動(dòng)機(jī)冷卻系統(tǒng)。但研究發(fā)現(xiàn)，磷酸鹽在高溫條件下對(duì)鋁的保護(hù)作用減弱，硼砂還將促進(jìn)鋁合金傳熱腐蝕。因此，該體系不適合以鑄鋁合金為主要材質(zhì)的發(fā)動(dòng)機(jī)冷卻系統(tǒng)。再者，磷酸鹽會(huì)與硬水中的鈣、鎂離子結(jié)合形成絮狀物沉淀，阻塞散熱器盤管，造成冷卻液流動(dòng)不暢，產(chǎn)生過熱現(xiàn)象;而且當(dāng)水中磷酸根濃度超過10mg/kg時(shí)，即可產(chǎn)生富營養(yǎng)化，加重水質(zhì)污染，不利于環(huán)保。因此，20世紀(jì)70年代后，法律對(duì)磷酸鹽的使用加以嚴(yán)格限制，以磷酸鹽為主劑的緩蝕體系逐漸被淘汰。</p><p style="text-indent:25px">種類介紹：冷卻液是保證水冷式發(fā)動(dòng)機(jī)正常工作必不可少的工作介質(zhì)。若發(fā)動(dòng)機(jī)過熱，就會(huì)導(dǎo)致充氣效率降低，發(fā)動(dòng)機(jī)功率下降；使早燃、爆燃傾向加大，過早損壞零部件；惡化運(yùn)動(dòng)件之間的潤(rùn)滑，加劇其磨損等。若發(fā)動(dòng)機(jī)過冷，就會(huì)導(dǎo)致進(jìn)入氣缸的混合氣品質(zhì)差，使發(fā)動(dòng)機(jī)功率下降，燃料消耗增加；燃燒生成物中的酸性物質(zhì)腐蝕零部件；未燃的燃料沖刷和稀釋運(yùn)動(dòng)件表面的潤(rùn)滑油膜，使其磨損加劇。這就要求使用者必須了解冷卻液的性能特點(diǎn)，掌握冷卻液的正確使用方法。冷卻液由水、防凍劑、添加劑3部分組成，按防凍劑成分不同可分為酒精型、甘油型、乙二醇型等類型冷卻液。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊市防凍冷卻液需要多少錢,冷卻液" src="http://tyunfile.71360.com/UpLoadFile/2019/8/12/17/637012289597499632_tstqcyp_2611321.jpg"></div><p style="text-indent:25px">硅酸鹽型：硅酸鹽是鋁的特點(diǎn)緩蝕劑，對(duì)冷卻系統(tǒng)中的多種金屬都具有保護(hù)作用。隨著汽車工業(yè)的發(fā)展，汽車發(fā)動(dòng)機(jī)的結(jié)構(gòu)和材質(zhì)發(fā)生了明顯變化。冷卻系統(tǒng)一直使用鑄鋁合金材料，增強(qiáng)冷卻液對(duì)鑄鋁合金的保護(hù)作用尤其重要。隨著硅酸鹽在冷卻液中應(yīng)用增多，硅酸鹽型冷卻液獲得較快發(fā)展。常用的硅酸鹽冷卻液配方有硅一磷混合型和低硅酸鹽半有機(jī)型。前者是單純的無機(jī)鹽配方，使用壽命短，而且還存在磷酸鹽型配方的缺點(diǎn)，抗硬水性差，其應(yīng)用逐漸受到限制;后者以有機(jī)酸緩蝕劑為主劑，含一定量的硅酸鹽，通過加入硅酸鹽穩(wěn)定劑解決硅酸鹽的析出問題。體系中不含磷酸鹽、亞硝酸鹽、胺鹽等，滿足許多冷卻液規(guī)范對(duì)化學(xué)成分的限制性要求，符合冷卻液向節(jié)能和環(huán)保方向發(fā)展的大趨勢(shì)，體系的防腐性能優(yōu)異，使用壽命明顯延長(zhǎng)，獲得了較為一定的應(yīng)用。烏魯木齊市防凍冷卻液需要多少錢</p><p style="text-indent:25px">烏魯木齊市防凍冷卻液需要多少錢</p><p style="text-indent:25px">我國銷售行業(yè)是受經(jīng)濟(jì)波動(dòng)以及政策影響較大、周期性較強(qiáng)的行業(yè)，行業(yè)的周期性與經(jīng)濟(jì)增長(zhǎng)的周期性保持著較大的相關(guān)性，近幾年，隨著科學(xué)技術(shù)的進(jìn)步，及處于新技術(shù)**前沿的材料科學(xué)、信息科學(xué)和生命科學(xué)的崛起，客觀上極大地促進(jìn)了精細(xì)化工的迅猛發(fā)展。盡管經(jīng)過多年努力，我國現(xiàn)代玻璃水，防凍液，潤(rùn)滑油，清洗劑規(guī)模、技術(shù)、裝備都取得了長(zhǎng)足進(jìn)展，關(guān)鍵技術(shù)水平居世界優(yōu)先地位；但目前產(chǎn)業(yè)整體仍處于升級(jí)示范階段，尚不完全具備大規(guī)模產(chǎn)業(yè)化的條件，系統(tǒng)集成水平和污染操控技術(shù)有待提升，生產(chǎn)穩(wěn)定性和經(jīng)濟(jì)性有待驗(yàn)證，行業(yè)標(biāo)準(zhǔn)和市場(chǎng)體系有待完善。與此同時(shí)，化工行業(yè)市場(chǎng)競(jìng)爭(zhēng)加劇，將物流環(huán)節(jié)從生產(chǎn)企業(yè)剝離出來實(shí)現(xiàn)整體外包，繼而推行第三方物流以及供應(yīng)鏈管理，是有限責(zé)任公司（自然）企業(yè)增強(qiáng)市場(chǎng)競(jìng)爭(zhēng)力的另一突破。過去“企業(yè)擴(kuò)大=廠房面積擴(kuò)大+生產(chǎn)設(shè)備增加”的簡(jiǎn)單思維已然過時(shí)。如何讓新廠房比舊廠房更“好”而不只是更“大”，如何提升企業(yè)的生產(chǎn)“質(zhì)量和效率”而不**是擴(kuò)大生產(chǎn)“規(guī)?！?，成為了現(xiàn)***產(chǎn)、銷售：玻璃水、防凍液、清洗劑、塑料制品；銷售：橡膠制品、潤(rùn)滑油、汽車配件及汽車用品、針紡織品、機(jī)電產(chǎn)品、五金交電。（依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)）企業(yè)的重要課題。烏魯木齊市防凍冷卻液需要多少錢</p><p style="text-indent:25px">烏魯木齊天馳通汽車用品有限公司致力于化工，是一家生產(chǎn)型的公司。公司業(yè)務(wù)涵蓋玻璃水，防凍液，潤(rùn)滑油，清洗劑等，價(jià)格合理，品質(zhì)有保證。公司從事化工多年，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)。天馳通汽車用品秉承“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(jìng)爭(zhēng)力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1821877.html</p></div></div></div></div></div><div id="adp3blx" class="page-right twoColRt"><div id="uwtfc2r" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="u88j8fc" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="h52gv2w" class="recomPic likePro"><a 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