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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>?銅陵衍射儀值得信賴上海澤權(quán)儀器設(shè)備供應(yīng)</p><div id="yrqnprg" class="leftbox clearfix"><h1>銅陵衍射儀值得信賴上海澤權(quán)儀器設(shè)備供應(yīng)</h1><div id="oikmjl8" class="proBig"><div id="i3celic" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089141880446/2538060.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nrzgikr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089141880446/2538060.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="a3kmtq2" 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>銅陵衍射儀,衍射儀</p><p><span>***更新：</span>2021-01-03 03:12:42</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="8ovx8lg" 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="wzwy7p7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3ol22ls" class="box"><p><p style="text-indent:25px">X射線衍射儀的測試目的：確定材料和物質(zhì)中含有哪些化合物（物相分析定性分析）；確定材料和物質(zhì)中各種化合物的比例關(guān)系或百分比（定量分析）；確定納米晶體材料的粒徑大?。淮_定材料中的結(jié)晶度、取向度、應(yīng)力、織構(gòu)等；確定薄膜表面的厚度、粗糙度等。X射線衍射儀的應(yīng)用領(lǐng)域很多，銅陵衍射儀，在化工、材料等領(lǐng)域都有很多應(yīng)用。如無機(jī)化工品晶體結(jié)構(gòu)的分析、金屬材料定量相分析、高速鋼中碳化物相的定量分析、珍珠粉的鑒定、納米材料晶粒尺寸及微觀應(yīng)變的測定等，銅陵衍射儀。X射線衍射儀系統(tǒng)主要由X光管、高壓發(fā)生器、測角儀、探測器，銅陵衍射儀、控制系統(tǒng)、穩(wěn)壓電源、水冷機(jī)幾大部分組成。銅陵衍射儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="銅陵衍射儀,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089141880446/2538060.png"></div><p style="text-indent:25px">X射線衍射儀工作原理：x射線的波長和晶體內(nèi)部原子面之間的間距相近，晶體可以作為X射線的空間衍射光柵，即一束X射線照射到物體上時，受到物體中原子的散射，每個原子都產(chǎn)生散射波，這些波互相干涉，結(jié)果就產(chǎn)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。分析衍射結(jié)果，便可獲得晶體結(jié)構(gòu)。以上是1912年德國物理學(xué)家勞厄(M.von Laue)提出的一個重要科學(xué)預(yù)見，隨即被實(shí)驗所證實(shí)。1913年，英國物理學(xué)家布拉格父子(W.H.Bragg，W.L.Bragg)在勞厄發(fā)現(xiàn)的基礎(chǔ)上，不僅成功的測定了NaCl，KCl等晶體結(jié)構(gòu)，還提出了作為晶體衍射基礎(chǔ)的公式——布拉格方程：2dsinθ=nλ。銅陵衍射儀X射線衍射儀晶體結(jié)構(gòu)分析，如晶體結(jié)構(gòu)測定，物相定性和定量分析。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="銅陵衍射儀,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089111255419/3844665.png"></div><p style="text-indent:25px">一臺好的X射線衍射儀應(yīng)能得到準(zhǔn)確(測得的數(shù)值與其真值相符)并精確(測量重復(fù)性好)的2θ、I及f(x)，需要考慮下列幾個主要技術(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?，F(xiàn)代粉末衍射儀的光源穩(wěn)定性一般在外電源變化10%以內(nèi)，輸出變化0.01%以內(nèi)。X射線管的功率：對于密封式X射線管，Cu靶一般為2kw，Ag、Mo、W等靶一般大于2kw，而對Co、Fe、Ni等靶則小于2kw。對于轉(zhuǎn)靶，常用的有12kw和18kw。單色器的效率：應(yīng)不小于25%。探測器的效率：視品種而異。計數(shù)的線性范圍：關(guān)系到強(qiáng)度測量的準(zhǔn)確性，一般在cps。有許多儀器附加了校正軟件，宣稱可以達(dá)到cps。衍射角(2θ)的測量準(zhǔn)確度和精確度。分辨率：常用的Si(311)衍射峰的半高寬來顯示。對于一般實(shí)驗室粉末衍射儀，此值約在0.05°~0.1°之間。</p><p style="text-indent:25px">世界上一款由電池供電的商用便攜式XRD分析儀的換代產(chǎn)品：TERRA II分析儀，配備有防風(fēng)防雨、堅固耐用的外殼，使用電池供電，可長達(dá)6個小時持續(xù)工作，因此可在野外環(huán)境對礦物進(jìn)行檢測分析，為用戶快速提供礦物主要成分和次要成分的信息。TERRA II分析儀提供一些性能強(qiáng)大的功能，是一款可以替代傳統(tǒng)XRD儀器、重量很輕、便于攜帶，且?guī)缀鯚o需維護(hù)的分析儀。配備有一個獨(dú)特的小樣品托架，只需15 mg樣品就可以完成分析無需外接電源、壓縮氣體、水冷裝置、二次冷水機(jī)組，或外置變壓器，即可進(jìn)行操作，因此可以保持較低的擁有成本。通過無線連通性能，可以將分析儀與您的設(shè)備連接起來。X射線衍射儀使用過程中應(yīng)隨時觀察循環(huán)冷卻水機(jī)組是否正常制冷，水溫是否保持在≤27C。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="銅陵衍射儀,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088809380639/247284.png"></div><p style="text-indent:25px">X射線衍射儀高壓發(fā)生器的維護(hù)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(jìn)行除塵，一年進(jìn)行一到兩次的徹底除塵工作，拆開下機(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(yùn)行。X射線衍射儀是利用衍射原理，精確測定物質(zhì)的晶體結(jié)構(gòu)，織構(gòu)及應(yīng)力。銅陵衍射儀</p><p style="text-indent:25px">X射線衍射儀應(yīng)用于樣品的物相定性分析和定量分析、晶粒大小、結(jié)晶度測定等。銅陵衍射儀</p><p style="text-indent:25px">X射線衍射儀的X射線照射到物質(zhì)上將產(chǎn)生散射。晶態(tài)物質(zhì)對X 射線產(chǎn)生的相干散射表現(xiàn)為衍射現(xiàn)象，即入射光束出射時光束沒有被發(fā)散但方向被改變了而其波長保持不變的現(xiàn)象，這是晶態(tài)物質(zhì)特有的現(xiàn)象。絕大多數(shù)固態(tài)物質(zhì)都是晶態(tài)或微晶態(tài)或準(zhǔn)晶態(tài)物質(zhì)，都能產(chǎn)生 X 射線衍射。晶體微觀結(jié)構(gòu)的特征是具有周期性的長程的有序結(jié)構(gòu)。晶體的 X 射線衍射圖是晶體微觀結(jié)構(gòu)立體場景的一種物理變換，包含了晶體結(jié)構(gòu)的全部信息。用少量固體粉末或小塊樣品便可得到其 X 射線衍射圖。銅陵衍射儀</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號坤陽商務(wù)廣場303室。上海澤權(quán)儀器致力于為客戶提供良好的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)流動分析儀，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。上海澤權(quán)儀器憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2679133.html</p></div></div></div></div></div><div id="a7umj2f" class="page-right twoColRt"><div id="wgixedu" class="box01 margin10 clearfix"><h3><a 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