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- X ray diffraction analysis indicated that the materials prepared were single solid solution with layered structure. X-射线衍射分析表明,所得材料为层状结构的单一固溶体相。
- Under the acid free condition, 3 acetyl 2 hydroxy 6 methyl pyran 4 one (8) was obtained and its structure was confirmed by X ray diffraction analysis. 在没有酸催化的条件下,反应生成3乙酰基2羟基6甲基-吡喃4酮(8),并通过单晶X射线衍射分析确定了产物的结构;
- Lewis acid catalyzed acetylation of steroidal sapogenin was reinvestigated, and the previous assigned structures A, B and C of E/F ring opening products were rectified as 1, 2 and 3 according to X ray diffraction analysis. 重新研究了Lewis酸催化的甾体皂甙元E/F螺环乙酰化开环反应;并通过波谱分析和单晶X衍射修正了原指定结构.
- Three new quaternary mixed anion complexes of lanthanides were prepared from the water/ethanol solution under slight acidity condition and characterized by elemental analysis, IR, UV spectra and single crystal X ray diffraction analysis. 在水?乙醇溶液中合成了3 种四元混合阴离子配合物， 用元素分析、IR、UV 及单晶X射线衍射进行了表征。
- The results of X ray diffraction analyses further proved that compounds (A) and (B) are of two different phases. X-射线粉末衍射物相分析的结果又进一步证实了化合物 (A)和 (B)是两种完全不同的物相。
- Keywords Thermogravimetric reduction analysis;Iron oxide;Chromium oxide;Water gas shift catalyst;X ray diffraction analysis; 还原热重法;铁-铬变换催化剂;X射线衍射分析;氧化铁;氧化铬;
- x ray diffraction analysis x 射线衍射分析
- Their structures and chemical properties were studied by X ray diffraction ,TEM and charge discharge analysis. 采用 X-射线衍射法 ,透射电镜和充放电测量研究了它们的结构和性质。
- The clay minerals in 65 surface sediment samples from the Changjiang River subaqueous delta were analyzed by using X ray diffraction (XRD) analysis technique. 摘要采用X射线衍射(XRD)分析技术分析了长江水下三角洲地区65个表层沉积物样品的粘土矿物。
- C/O values of shaly sands matrix in core samples have been got from neutron activation analysis of cores, X ray diffraction measurement and carbon content measurement. 通过对岩心样品的中子活化分析，X射线衍射法测量和定碳仪测量，确定出岩心中泥质砂岩骨架的碳氧比值，从而找到泥质对碳氧比值的影响因素。
- The parameters of ZrB2 cell which was original position sintered in ZrB2/B4C composite ceramic material are obtained by X ray diffract ion analysis and calculated through Powder Index program module of Material Studio. 对原位烧结制备的ZrB2/B4C陶瓷复合材料X射线衍射数据进行分析,并结合使用 Powder4和Material Studio中的Powder Index模块计算了该复合材料中ZrB2的晶体结构。
- The characteristics of the powders were investigated by differential scanning calarmeutry and thermogravimetric analysis(DSC TG),X ray diffraction(XRD)and transmission electron microscopy(TEM). 运用差示扫描量热法 -失重分析 (DSC TG)、X 射线衍射 (XRD)、透射电镜 (TEM)等观测手段对微粉末进行了表征 ;
- Influence of MM and Al5TiB on the microstructure of B319 aluminum alloy in lost foam casting(LFC) was investigated by means of ICP spectroscopy, energy dispersive x ray analysis (EDX), X ray diffraction and microscope analysis. 利用等离子发射光谱仪、能谱仪、X射线衍射以及金相分析等手段 ,研究了RE和Al5TiB对消失模铸造B3 19铝合金组织的影响。
- The effect of pyrolytic temperature on the microstructure changes, mass loss and H/C ratio of polyarylacetylene was studied by thermal gravity analysis, element analysis and X ray diffraction. 根据热失重曲线、元素分析和X射线衍射分析了芳基乙炔聚合物炭化过程中的结构变化。
- Tellurium is trapped in Te 4O 11 form which is analyzed by X ray diffraction method. 用X射线衍射分析得碲以Te4O11形式捕集，探讨了捕集、释放机理。
- This paper describes the design of Automatic Measurement &Control System of X Ray Diffraction Goniometer. 摘要介绍了X射线衍射定向仪的工作原理，并对X射线衍射定向仪的自动测控系统的设计进行了描述。
- Infrared ray (IR) spectrum and X ray diffract (XRD) analysis indicated only few parts entered the earth laminar of sodium base MMT to react, the majority took on the pure promiscuous material. 红外光谱(IR)和X射线衍射(XRD)对复合树脂的结构表征表明，蒙脱土与共聚物的作用时只有少部分大分子进入钠基土片层进行反应，而大部分蒙脱土只是作为单纯的混杂材料。
- The coating composition,microstructure and phases were investigated by energy dispersive X ray analysis (EDXA),X ray diffraction(XRD),scanning electron microscope(SEM)and image analyzer. 运用能谱技术 (EDXA)、X射线衍射仪 (XRD)、扫描电子显微镜 (SEM)和图像分析仪对涂层成分、显微组织、涂层相结构和组成进行了分析。
- Research on the failure reasons of the cooling tube were carried out by means of macroexamination, thickness measurement, X ray diffraction, optical microscopy and chemical analysis. 采用宏、微观分析、化学成分分析等手段,对冷却水管的腐蚀穿孔进行了失效分析。
