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clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-huagong_fenxiyiqinh/">分析儀器</a>?<a href="http://www.cdcfah.com/cp/third-fenxiyiqinh_qtfxyqej/">其他分析儀器</a>?淮安衍射儀代理商客戶至上上海澤權(quán)儀器設(shè)備供應(yīng)</p><div id="88789yx" class="leftbox clearfix"><h1>淮安衍射儀代理商客戶至上上海澤權(quán)儀器設(shè)備供應(yīng)</h1><div id="vogdkwy" class="proBig"><div id="mgifhya" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088868276929/4280858.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ud834pe" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088868276929/4280858.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8c344nk" 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>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>淮安衍射儀代理商,衍射儀</p><p><span>***更新：</span>2021-02-05 02:11:19</p><p><span id="click" >瀏覽次數(shù)：10次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ihjgi7a" 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: </span>021-62837120</p><p><span>地址: </span>上海市徐匯區(qū)肇嘉浜路798號坤陽商務(wù)廣場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="dx79tjw" class="page-proshow02"><p class="title">詳細說明</p><div id="3jypwyf" class="box"><p><p style="text-indent:25px">X射線衍射儀（XRD）是材料無損表征的有力工具。運用衍射原理，可實現(xiàn)粉末，淮安衍射儀代理商、塊體、薄膜等樣品的測試分析，可以精確測定物質(zhì)的晶體結(jié)構(gòu)，織構(gòu)及應(yīng)力，也就是說可以精確的進行物相分析，定性、定量分析及殘余應(yīng)力的分析。X射線衍射分析方法可實現(xiàn)無損的物相定性和定量分析,而且利用衍射峰位,衍射峰強度,衍射峰線形等信息可以進行材料晶體結(jié)構(gòu)的表征,如:點陣常數(shù)的精密測定，淮安衍射儀代理商,晶粒尺寸和微觀應(yīng)變計算,宏觀殘余應(yīng)力測定,結(jié)晶度計算等。X射線衍射儀樣品要求：金屬、非金屬，淮安衍射儀代理商、有機、無機材料粉末、塊體、薄膜等樣品。奧林巴斯裝配有電荷耦合裝置（CCD）探測器的XRD分析儀，可以采集衍射環(huán)的切片?；窗惭苌鋬x代理商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安衍射儀代理商,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088868276929/4280858.png"></div><p style="text-indent:25px">XRD即X-RayDiffraction（X射線衍射）的縮寫。X射線衍射是一種通過儀器進行檢測的光學(xué)分析法，將單色X射線照到粉晶樣品上，若其中一個晶粒的一組面網(wǎng)取向和入射X射線夾角為θ時，滿足衍射條件，則在衍射角2θ處產(chǎn)生衍射。樣品中有多個晶粒并滿足衍射。通過使用衍射儀的探測器以一定的角度繞樣品旋轉(zhuǎn)，接收到粉晶中不同網(wǎng)面、不同取向的全部衍射線，獲得相應(yīng)的衍射圖譜。通過對材料進行X射線衍射，分析其衍射圖譜，獲得材料的成分、材料內(nèi)部原子或分子的結(jié)構(gòu)或形態(tài)等信息的研究手段，所需樣品含量大于1%?；窗惭苌鋬x代理商X射線衍射儀使用過程中應(yīng)隨時觀察循環(huán)冷卻水機組是否正常制冷，水溫是否保持在≤27C。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安衍射儀代理商,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089111255419/3844665.png"></div><p style="text-indent:25px">X射線衍射儀開、關(guān)機及待機設(shè)定：當(dāng)超過一小時不用儀器時，將X光管設(shè)定至待機狀態(tài)。這將節(jié)省使用壽命。待機功率至少設(shè)定至40kV/10mA，對于陶瓷X光管請設(shè)定至45kV/20mA。在關(guān)閉高壓后1至2分鐘內(nèi)必須完全關(guān)閉水冷系統(tǒng)。千萬不要通過關(guān)閉冷卻水去關(guān)閉X光管高壓。通常情況下建議在下班后關(guān)閉X光管高壓。X光管水路系統(tǒng)的維護干凈和不間斷的冷卻水流量與冷卻水本身是一樣重要的。光管水路需要定期檢查和清潔。千萬不要使用純的去離子水因為這是酸性的和易侵蝕的。如果光管的強度不尋常地下降，很大的原因是光管的冷卻不好。X光管就像一輛車，如果總是讓它高速行駛而從不停下來維護，它很快損壞也就一點也不奇怪啦。</p><p style="text-indent:25px">X射線衍射儀是利用X射線的衍射現(xiàn)象來測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分析儀器，應(yīng)用于薄膜分析、樣品質(zhì)地評估、晶相和結(jié)構(gòu)監(jiān)測、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，即當(dāng)一束 X 射線通過晶體時將發(fā)生衍射，衍射波疊加的結(jié)果使射線的強度在某些方向上加強，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度的衍射峰。通過分析X射線衍射圖譜就可以測定物質(zhì)的晶體結(jié)構(gòu)。X射線發(fā)生器由X射線管、高壓發(fā)生器、管壓和管流穩(wěn)定電路以及保護電路等組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安衍射儀代理商,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089162329617/2614086.png"></div><p style="text-indent:25px">X射線衍射儀高壓發(fā)生器的維護保養(yǎng)，首先要保證儀器有一個良好的工作環(huán)境。工作環(huán)境要求無塵、恒溫、防潮、防震、防腐蝕等?；覊m會造成電路板等接觸不良或絕緣性能變差從而引起各種故障。溫度和濕度非常重要，電子元器件特別是集成電路都要求在合適的溫度和濕度范圍內(nèi)工作，溫度過高不利于電子元件散熱，會導(dǎo)致電子元件不正常工作，潮濕的環(huán)境易使儀器的絕緣性能變差，產(chǎn)生短路等不安全的因素，并極易造成器件的生銹以致?lián)p壞，發(fā)生各種故障。應(yīng)定期對高壓發(fā)生器進行除塵，一年進行一到兩次的徹底除塵工作，拆開下機柜外蓋，清理掉機柜內(nèi)部包括電源、電路板等各個部件的灰塵，以免因灰塵引發(fā)各種電路或信號故障，有效節(jié)省維修成本和維修時間，保證儀器的正常運行。X射線衍射儀是對流體、粉末及塊狀晶體等物質(zhì)的重要無損分析工具?；窗惭苌鋬x代理商</p><p style="text-indent:25px">XRD分析儀方便的樣本制備。淮安衍射儀代理商</p><p style="text-indent:25px">X射線衍射儀的物相鑒定是指確定材料由哪些相組成和確定各組成相的含量,主要包括定性相分析和定量相分析。每種晶體由于其獨特的結(jié)構(gòu)都具有與之相對應(yīng)的X射線衍射特征譜,這是X射線衍射物相分析的依據(jù)。將待測樣品的衍射圖譜和各種已知單相標準物質(zhì)的衍射圖譜對比,從而確定物質(zhì)的相組成。確定相組成后,根據(jù)各相衍射峰的強度正比于該組分含量(需要做吸收校正者除外),就可對各種組分進行定量分析。點陣參數(shù)是物質(zhì)的基本結(jié)構(gòu)參數(shù),任何一種晶體物質(zhì)在一定狀態(tài)下都有一定的點陣參數(shù)。測定點陣參數(shù)在研究固態(tài)相變、確定固溶體類型、測定固溶體溶解度曲線、測定熱膨脹系數(shù)等方面都得到了應(yīng)用。點陣參數(shù)的測定是通過X射線衍射線位置的測定而獲得的,通過測定衍射花樣中每一條衍射線的位置均可得出一個點陣常數(shù)值?；窗惭苌鋬x代理商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3165061.html</p></div></div></div></div></div><div id="ixzwyfw" class="page-right twoColRt"><div id="ysuw7mj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qvn2eg2" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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