馬鞍山衍射儀大概多少錢(qián) 推薦咨詢(xún) 上海澤權(quán)儀器設(shè)備供應(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="X射線衍射儀是利用X射線的衍射現(xiàn)象來(lái)測(cè)量樣品分子三維立體結(jié)構(gòu)或特征X射線衍射圖譜的檢測(cè)分析儀器，應(yīng)用于薄膜分析、樣品質(zhì)地評(píng)估、晶相和結(jié)構(gòu)監(jiān)測(cè)、樣品應(yīng)力和應(yīng)變研究等不同的領(lǐng)域。X射線衍射儀的基本原理：晶體可以作為X射線的空間衍射光柵，馬鞍山衍"><meta name="keywords" content="馬鞍山衍射儀大概多少錢(qián),衍射儀"><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 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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>馬鞍山衍射儀大概多少錢(qián),衍射儀</p><p><span>***更新：</span>2020-12-12 07:15:57</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="a98wtax" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海澤權(quán)儀器設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>舒騁</p><p><span>郵箱: </span>2595161201@qq.com</p><p><span>電話: </span>17321076351</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.zeal-quest.com</p><p><span>手機(jī): </span>021-62837120</p><p><span>地址: </span>上海市徐匯區(qū)肇嘉浜路798號(hào)坤陽(yáng)商務(wù)廣場(chǎng)303室</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="cdahjqs" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3ikbykh" class="box"><p><p style="text-indent:25px">X射線衍射儀是利用X射線的衍射現(xiàn)象來(lái)測(cè)量樣品分子三維立體結(jié)構(gòu)或特征X射線衍射圖譜的檢測(cè)分析儀器，應(yīng)用于薄膜分析、樣品質(zhì)地評(píng)估、晶相和結(jié)構(gòu)監(jiān)測(cè)、樣品應(yīng)力和應(yīng)變研究等不同的領(lǐng)域。X射線衍射儀的基本原理：晶體可以作為 X 射線的空間衍射光柵，馬鞍山衍射儀大概多少錢(qián)，即當(dāng)一束 X 射線通過(guò)晶體時(shí)將發(fā)生衍射，衍射波疊加的結(jié)果使射線的強(qiáng)度在某些方向上加強(qiáng)，在其他方向上減弱，體現(xiàn)在X射線衍射圖譜上就是具有不同的衍射強(qiáng)度的衍射峰，馬鞍山衍射儀大概多少錢(qián)。通過(guò)分析X射線衍射圖譜就可以測(cè)定物質(zhì)的晶體結(jié)構(gòu)，馬鞍山衍射儀大概多少錢(qián)。X射線具有靶中元素相對(duì)應(yīng)的特定波長(zhǎng)，稱(chēng)為特征X射線。馬鞍山衍射儀大概多少錢(qián)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="馬鞍山衍射儀大概多少錢(qián),衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089124243671/497333.png"></div><p style="text-indent:25px">一臺(tái)好的X射線衍射儀應(yīng)能得到準(zhǔn)確(測(cè)得的數(shù)值與其真值相符)并精確(測(cè)量重復(fù)性好)的2θ、I及f(x)，需要考慮下列幾個(gè)主要技術(shù)參數(shù)：X射線發(fā)生器的穩(wěn)定度：這不僅關(guān)系到所測(cè)衍射強(qiáng)度的準(zhǔn)確可靠，而且關(guān)系到所有部件的準(zhǔn)確和穩(wěn)定。現(xiàn)代粉末衍射儀的光源穩(wěn)定性一般在外電源變化10%以?xún)?nèi)，輸出變化0.01%以?xún)?nèi)。X射線管的功率：對(duì)于密封式X射線管，Cu靶一般為2kw，Ag、Mo、W等靶一般大于2kw，而對(duì)Co、Fe、Ni等靶則小于2kw。對(duì)于轉(zhuǎn)靶，常用的有12kw和18kw。單色器的效率：應(yīng)不小于25%。探測(cè)器的效率：視品種而異。計(jì)數(shù)的線性范圍：關(guān)系到強(qiáng)度測(cè)量的準(zhǔn)確性，一般在cps。有許多儀器附加了校正軟件，宣稱(chēng)可以達(dá)到cps。衍射角(2θ)的測(cè)量準(zhǔn)確度和精確度。分辨率：常用的Si(311)衍射峰的半高寬來(lái)顯示。對(duì)于一般實(shí)驗(yàn)室粉末衍射儀，此值約在0.05°~0.1°之間。江蘇奧林巴斯Terra便攜式XRD分析儀廠家哪家便宜奧林巴斯儀器使用透射幾何技術(shù)不是基于測(cè)角儀的傳統(tǒng)XRD儀器所使用的反射幾何技術(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="馬鞍山衍射儀大概多少錢(qián),衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088836987885/1646217.png"></div><p style="text-indent:25px">X射線衍射儀是利用衍射原理制成的能夠精確測(cè)定物質(zhì)的晶體結(jié)構(gòu)、織構(gòu)及應(yīng)力，并準(zhǔn)確進(jìn)行物相分析、定性、定量分析的儀器，應(yīng)用于冶金、石油化工、教學(xué)科研、航空航天、材料生產(chǎn)等領(lǐng)域。儀器一旦出現(xiàn)故障，通常維修費(fèi)用比較昂貴。因此，細(xì)致維護(hù)、科學(xué)使用對(duì)于確保儀器性能和使用質(zhì)量降低維護(hù)成本等非常重要。使用注意事項(xiàng)：開(kāi)機(jī)前必須先開(kāi)啟循環(huán)冷卻水，否則儀器將報(bào)警。關(guān)機(jī)后必須等待20分鐘以上才能關(guān)閉循環(huán)冷卻水，否則儀器將會(huì)自動(dòng)報(bào)警。人員長(zhǎng)時(shí)間離開(kāi)后必須關(guān)機(jī)，20分鐘后關(guān)循環(huán)水，否則水管漏水將會(huì)損壞儀器。在儀器使用過(guò)程中應(yīng)隨時(shí)觀察循環(huán)冷卻水機(jī)組是否正常制冷，水溫是否保持在≤27C。開(kāi)門(mén)時(shí)應(yīng)先按相應(yīng)按鈕，等提示音發(fā)出后再開(kāi)門(mén)，否則X射線將自動(dòng)關(guān)閉。　</p><p style="text-indent:25px">X射線衍射儀測(cè)試：根據(jù)實(shí)際測(cè)量要求選擇更換狹縫配置；.放置被測(cè)樣品: 有效測(cè)試區(qū)域?yàn)榫鄻悠放_(tái)垂直面 5-12 mm 范圍內(nèi)，同時(shí) 保證試樣表面落在測(cè)角儀軸心上；通過(guò)測(cè)量軟件設(shè)置檢測(cè)樣品需要的參數(shù)并進(jìn)行掃描；掃描結(jié)果存盤(pán)后，處理軟件對(duì)實(shí)驗(yàn)結(jié)果進(jìn)行處理；打印、保存處理結(jié)果；取出樣品，換上新樣品進(jìn)行掃描。關(guān)機(jī)，在控制中逐步降電壓和電流至30KV，10 mA；關(guān)閉預(yù)熱開(kāi)關(guān)；關(guān)閉衍射儀電源開(kāi)關(guān)；關(guān)閉控制和處理軟件；關(guān)閉冷卻水開(kāi)關(guān)；關(guān)閉穩(wěn)壓電源；關(guān)閉空調(diào)和排氣扇。X射線衍射儀自動(dòng)化使用樣品振動(dòng)裝置，使用簡(jiǎn)單。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="馬鞍山衍射儀大概多少錢(qián),衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089155855945/4598731.png"></div><p style="text-indent:25px">X射線衍射儀(接通總電源，打開(kāi)穩(wěn)壓電源的空氣開(kāi)關(guān)和電源開(kāi)關(guān)，按支柱上的綠色開(kāi)機(jī)按鈕，約10秒鐘后指示燈亮，門(mén)自動(dòng)鎖住。然后打開(kāi)水冷箱，待其正常工作后旋轉(zhuǎn)高壓旋鈕，順時(shí)針轉(zhuǎn)45°停駐3-5秒，即可以打開(kāi)，此時(shí)READY指示燈閃爍。（關(guān)高壓只需要將此按鈕逆時(shí)針轉(zhuǎn)45°即可）。打開(kāi)電源開(kāi)關(guān)啟動(dòng)計(jì)算機(jī)，進(jìn)入XRD?commander?程序，將兩個(gè)角度數(shù)據(jù)初始化(initial?drives)，找到X-ray?選擇on?后x射線打開(kāi)，ready指示燈長(zhǎng)亮。然后軟件調(diào)整電壓計(jì)電流（40kv&40mA），按SET按鈕即開(kāi)始加電壓。此后，把起始和終止的角度設(shè)好，步長(zhǎng)(一般為0.01°/0.02°)設(shè)好，掃描速率和模式（一般為lucked?coupled?模式,即光管臂和探測(cè)臂轉(zhuǎn)動(dòng)的角度是相等的，方向相反），設(shè)好就可以按下START按鈕開(kāi)始測(cè)試，隨時(shí)可以按STOP按鈕停止掃描。?關(guān)機(jī)步驟：軟件降壓至20kv&5mA后按下SET按鈕，然后即可以把軟件關(guān)閉。軟件降壓后才可以把高壓旋鈕逆時(shí)針旋轉(zhuǎn)45°關(guān)閉。等待十分鐘，待光管散熱后按紅色關(guān)閉按鈕。關(guān)閉水冷機(jī)。連續(xù)X射線光譜主要用于判斷晶體的對(duì)稱(chēng)性和進(jìn)行晶體定向的勞埃法。馬鞍山衍射儀大概多少錢(qián)</p><p style="text-indent:25px">X射線衍射儀能夠確定材料和物質(zhì)中含有哪些化合物。馬鞍山衍射儀大概多少錢(qián)</p><p style="text-indent:25px">X射線衍射儀為大型貴重儀器設(shè)備，日常維護(hù)和保養(yǎng)非常重要，可以延長(zhǎng)儀器使用壽命，減少故障，保證儀器正常運(yùn)行。保證儀器無(wú)塵、恒溫、防潮、防震、防腐蝕的工作環(huán)境。測(cè)試完后回收樣品，需要用無(wú)水乙醇清潔樣品架，樣品臺(tái)應(yīng)定期使用吸耳球清潔干凈。定期對(duì)高壓發(fā)生器進(jìn)行除塵，一年進(jìn)行一到兩次的徹底除塵工作，拆開(kāi)下機(jī)柜外蓋，清理掉機(jī)柜內(nèi)部包括電源、電路板等各個(gè)部件的灰塵，以免因灰塵引發(fā)各種電路或信號(hào)故障。.風(fēng)機(jī)長(zhǎng)期在室外運(yùn)行，散熱片之間容易積累灰塵形成結(jié)垢，會(huì)造成水冷機(jī)室外機(jī)過(guò)熱保護(hù)，應(yīng)根據(jù)情況及時(shí)。　馬鞍山衍射儀大概多少錢(qián)</p><p style="text-indent:25px">上海澤權(quán)儀器設(shè)備有限公司位于上海市徐匯區(qū)肇嘉浜路798號(hào)坤陽(yáng)商務(wù)廣場(chǎng)303室。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下奧林巴斯土壤中金屬分析儀，奧林巴斯合金分析儀，奧林巴斯衍射儀，連續(xù)流動(dòng)分析儀深受客戶(hù)的喜愛(ài)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備良好品牌。上海澤權(quán)儀器立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶(hù)的變化需求。</p></p><br /><p>文章來(lái)源地址: 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