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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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class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_6567135.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2euwcy4" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_6567135.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oky4ge2" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>惠東筆記本外殼鍍銀多少錢</p><p><span>***更新：</span>2020-05-31 10:09:14</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="msqmcyc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">惠州市微納科技有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>lijn@vacano.com</p><p><span>電話: </span>13421322633</p><p><span>傳真: </span>0752_6531566</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0752-6531558</p><p><span>地址: </span>廣東惠東縣大嶺鎮(zhèn)產(chǎn)業(yè)轉(zhuǎn)移園華源軒大道遠(yuǎn)銘揚(yáng)工業(yè)</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="4c0uokq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oucsycy" class="box"><p><p style="text-indent:25px">電鍍金屬材料的表面處理技術(shù)也可以稱為電化學(xué)法，它是利用電極反應(yīng)，然后在加工件的表面形成鍍層，方法包括有電鍍、氧化。另外，對(duì)于金屬材料或非金屬表面處理技術(shù)也稱為化學(xué)鍍膜方法，它是在無電流作用下，利用化學(xué)反應(yīng)相互作用，在加工件的表面形成鍍層，方法包括有化學(xué)轉(zhuǎn)化膜處理、化學(xué)鍍。材料表面處理之熱加工法，惠東筆記本外殼鍍銀多少錢，是在高溫條件下讓那個(gè)材料融化或擴(kuò)散，從而在加工件表面形成薄膜涂層，惠東筆記本外殼鍍銀多少錢，惠東筆記本外殼鍍銀多少錢，方法包括有熱浸鍍、熱噴涂、熱燙印、化學(xué)熱處理和堆焊等。除了這些外還有使用真空技術(shù)進(jìn)行表面處理的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠東筆記本外殼鍍銀多少錢" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_6567135.jpg"></div><p style="text-indent:25px">依據(jù)鍍銀物件的變色原理和各種因素對(duì)鍍銀物件變色速度的影響，能把防止鍍銀件變色的方法總結(jié)成這幾類：第一種是在物件表面進(jìn)行化學(xué)鈍化處理，使得銀層表面形成一層氧化物保護(hù)層，以此達(dá)到延緩變色的速度；第二種是銀表面涂上保護(hù)膜來屏蔽銀層表面和紫外線、氧氣、腐蝕物質(zhì)的接觸，來達(dá)到延緩銀層變色的目的；蕞后一種是改善銀色工藝條件，來提供鍍銀層本其本身的防變色能力。這是對(duì)鍍銀層目前采用比較主流的防變色（延緩變色）的處理方法。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠東筆記本外殼鍍銀多少錢" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771471397472_hzwnkj_3635566.jpg"></div><p style="text-indent:25px">鍍銀工藝相比起鍍銅、鍍鋅這些鍍種而言，其成本是要相對(duì)貴上少許的，因此鍍銀工藝中需要格外注意相關(guān)事項(xiàng)，防止材料的浪費(fèi)和成本的增加。鍍銀蕞基礎(chǔ)和重要的是要對(duì)基材進(jìn)行預(yù)處理工作，預(yù)處理做好了能增加基材與鍍層之間的絡(luò)合力。預(yù)處理總結(jié)起來就是要充分考慮基材表面結(jié)合力、導(dǎo)電性、平整度和殘留物的處理。鍍銀過程要注意添加劑的使用問題，要及時(shí)給電解槽內(nèi)的各種添加劑進(jìn)行補(bǔ)充，防止電鍍失敗和其他問題發(fā)生。另外在電鍍銀過程中要控制好電流水平以及持續(xù)時(shí)間，鍍銀快慢和厚度就是由此兩因素決定的。</p><div 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