江蘇衍射儀價格哪家便宜鑄造輝煌上海澤權(quán)儀器設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="每種礦物都具有其特定的X射線衍射圖譜。在混合物中，一種物質(zhì)成分的衍射圖譜與其他物質(zhì)成分的存在與否無關(guān)，這就是X射線衍射做相定量分析的基礎(chǔ)。X射線衍射是晶體的“指紋”，不同的物質(zhì)具有不同的X射線衍射特征峰值(點(diǎn)陣類型、晶胞大小、晶胞中原子或分"><meta name="keywords" content="江蘇衍射儀價格哪家便宜,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 name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" 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href="http://www.cdcfah.com/cp/third-fenxiyiqinh_qtfxyqej/">其他分析儀器</a>?江蘇衍射儀價格哪家便宜鑄造輝煌上海澤權(quán)儀器設(shè)備供應(yīng)</p><div id="y2rjvxe" class="leftbox clearfix"><h1>江蘇衍射儀價格哪家便宜鑄造輝煌上海澤權(quán)儀器設(shè)備供應(yīng)</h1><div id="jaon8wy" class="proBig"><div id="pzjvkro" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089129419960/8723629.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="chegizb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089129419960/8723629.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="p8zrjln" 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>江蘇衍射儀價格哪家便宜,衍射儀</p><p><span>***更新：</span>2020-11-26 12:20:07</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="gqn3jzr" 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="g3lnpgd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="m8m2dkc" class="box"><p><p style="text-indent:25px">每種礦物都具有其特定的X 射線衍射圖譜。在混合物中，一種物質(zhì)成分的衍射圖譜與其他物質(zhì)成分的存在與否無關(guān)，這就是X 射線衍射做相定量分析的基礎(chǔ)。X 射線衍射是晶體的“指紋”，不同的物質(zhì)具有不同的X 射線衍射特征峰值(點(diǎn)陣類型、晶胞大小、晶胞中原子或分子的數(shù)目、位置等)，結(jié)構(gòu)參數(shù)不同則X 射線衍射線位置與強(qiáng)度也就各不相同，所以通過比較X 射線衍射線位置與強(qiáng)度可區(qū)分出不同的礦物成分，江蘇衍射儀價格哪家便宜。X 射線衍射儀主要采集的是地層中各種礦物的相對含量，并系統(tǒng)采集各種礦物的標(biāo)準(zhǔn)圖譜，包括石英，江蘇衍射儀價格哪家便宜、鉀長石、斜長石、方解石、白云石、黃鐵礦等近30 種礦物成分，通過礦物成分的相對含量就可以確定巖石巖性，為現(xiàn)場巖性定名提供定量化的參考依據(jù)，提高特殊鉆井條件下巖性識別準(zhǔn)確度。X射線能穿透一定厚度的物質(zhì)，江蘇衍射儀價格哪家便宜，并能使熒光物質(zhì)發(fā)光、照相機(jī)乳膠感光、氣體電離。江蘇衍射儀價格哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇衍射儀價格哪家便宜,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089129419960/8723629.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。江蘇奧林巴斯BTX小型臺式XRD廠家哪家便宜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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇衍射儀價格哪家便宜,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088863335474/476845.png"></div><p style="text-indent:25px">衍射儀原理：X射線同無線電波、可見光、紫外線等一樣,本質(zhì)上都屬于電磁波,只是彼此之間占據(jù)不同的波長范圍而已。X射線的波長較短,大約在10-8～10-10cm之間。X射線分析儀器上通常使用的X射線源是X射線管,這是一種裝有陰陽極的真空封閉管（見圖1）,在管子兩極間加上高電壓,陰極就會發(fā)射出高速電子流撞擊金屬陽極靶,從而產(chǎn)生X射線。當(dāng)X射線照射到晶體物質(zhì)上,由于晶體是由原子規(guī)則排列成的晶胞組成,這些規(guī)則排列的原子間距離與入射X射線波長有相同數(shù)量級,故由不同原子散射的X射線相互干涉,在某些特殊方向上產(chǎn)生強(qiáng)X射線衍射,衍射線在空間分布的方位和強(qiáng)度,與晶體結(jié)構(gòu)密切相關(guān)不同的晶體物質(zhì)具有自己獨(dú)特的衍射樣。</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(dú)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(biāo)準(zhǔn)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(qiáng)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(jìn)行定量分析。點(diǎn)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(diǎn)陣參數(shù)。測定點(diǎn)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(diǎn)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(diǎn)陣常數(shù)值。X射線及其衍射X射線是一種波長（0.06-20nm）很短的電磁波。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇衍射儀價格哪家便宜,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414089141880446/2538060.png"></div><p style="text-indent:25px">X射線衍射（XRD）背后的科學(xué)在XRD分析過程中，將X射線束射向樣品，并根據(jù)出射方向測量散射強(qiáng)度。按照慣例，入射光束方向和出射光束方向之間的角度稱為2θ或2-theta。對于由間距為d的電荷組成的簡單的樣本，當(dāng)滿足布拉格定律時，觀察到相長干涉（ConstructiveInterference）（更大的散射強(qiáng)度）為：nλ= 2dsin θ。XRD儀器（例如我們的新一代TERRA II和BTX III XRD分析儀）使用該技術(shù)直接在分析儀上為主要和次要組分提供快速、可靠的實(shí)時礦物學(xué)和相分析。奧林巴斯XRD衍射儀還采用了一種獨(dú)特的方法來快速，輕松地收集和處理XRD數(shù)據(jù)，這使得我們的XRD分析儀非常緊湊和便攜。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。江蘇奧林巴斯BTX小型臺式XRD廠家哪家便宜</p><p style="text-indent:25px">衍射儀法以其方便、快捷、準(zhǔn)確和可以自動進(jìn)行數(shù)據(jù)處理等特點(diǎn)在許多領(lǐng)域中取代了照相法。江蘇衍射儀價格哪家便宜</p><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(yàn)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。江蘇衍射儀價格哪家便宜</p><p style="text-indent:25px">上海澤權(quán)儀器設(shè)備有限公司主要經(jīng)營范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。公司業(yè)務(wù)分為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)流動分析儀等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。上海澤權(quán)儀器秉承“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)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2153778.html</p></div></div></div></div></div><div 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