The XRD, EXAFS, DSC, SEM and XPS methods for determining and characterizing amorphous structure, surface morphology and active center of the catalysts were introduced. 介绍了对非晶态合金催化剂的非晶结构、表面形态、活性中心等进行表征和定性的XRD、EXAFS、DSC、SEM和XPS等方法。
Study of Molybdenum Components in ( K, Mo) Y-zeolites by EXAFS (K,Mo)Y分子筛中钼组分的EXAFS研究
X ray Absorption Near Edge Structure ( XANES) and Extended X ray Absorption Fine Structure ( EXAFS) were used to characterize the micro structures of Co species in Co/ γ Al 2O 3 catalysts prepared from different cobalt salts and calcined at different temperatures. 采用X-射线吸收近边结构(XANES)和扩展X-射线吸收精细结构(EXAFS)技术,对用不同原料盐和不同焙烧温度制得的Co/γ-Al2O3催化剂中钴的微观结构进行了详细的表征。
EXAFS Experimental System Using Laser-Generated Plasma as X-Ray Source 用激光等离子体作X射线源的EXAFS实验系统
EXAFS Study of Structure of As-Se Glasses 硒-砷玻璃结构的EXAFS研究
The dispersion has been verified by XRD, XPS, EXAFS etc. 这种自发分散现象已为XRD,XPS和EXAFS等多种谱学实验所证实。
The structure and phase content in industrial catalyst NiO/ α-Al_2O_3 before and after reaction were studied by EXAFS. 采用EXAFS方法研究了工业上使用的NiO/α-Al2O3催化剂反应前后的结构和相组成。
Using EXAFS to Study Neighbour Structure of Zinc Atoms in Li_2O-ZnO-GeO_2 Glasses 用EXAFS研究Li2O-ZnO-GeO2系统玻璃中Zn的近邻结构
EXAFS Study of Ni-Mn Catalyst Structure Ni-Mn催化剂结构的EXAFS研究
EXAFS Study on the Preparation of Cu/ ZnO/ Al_2O_3 Catalyst for Methanol Synthesis EXAFS研究合成甲醇催化剂Cu/ZnO/AL2O3的制备条件
A series of comparision tests were designed to examine the reaction mechanism of NO conversion over CuCl/ γ Al 2O 3 by using XRD, XPS, TPR and EXAFS techniques. 设计了一系列的对比实验,利用XRD、XPS、TPR、EXAFS等技术,系统研究了CuCl/γ-Al2O3上的NO脱除反应过程。
Application of cumulant expansion in EXAFS data analysis 累积量展开方法在EXAFS数据分析中的应用
EXAFS Studies on Cu/ ZnO/ M_xO_y Catalysts for Methanol Synthesis EXAFS研究合成甲醇催化剂Cu/ZnO/MxOy
In the present paper, the effects of three curve-fitting models and the choices of the weight factor on the determination of the structural parameters in the data analysis of EXAFS are analyzed and discussed. 本文就EXAFS数据分析中三种曲线拟合模型对结构参量分析的影响进行了分析和比较,并且讨论了权重因子的选择对结构参量分析的影响。
A detection system for the extended X-ray absorption fine structure ( EXAFS) spectrometer is described in detail. 本文详细描述了一个扩展X射线吸收精细结构(EXAFS)谱仪探测系统。
Characterization of yttrium deoxycholate complex with EXAFS and FTIR 脱氧胆酸钇络合物的EXAFS和FTIR表征
Investigation of negative peak in EXAFS measurement EXAFS测量中负峰现象的研究
EXAFS and XRD Measurement on Microstructures of Mechanically Alloyed Fe_ ( 60) Ni_ ( 40) Nano System 机械合金化Fe(60)Ni(40)纳米系统微结构的EXAFS和XRD测量
EXAFS Study of Local Structure in Amorphous Alloys Cu-Zr, Cu-Ti Cu-Zr,Cu-Ti非晶态合金原子近邻结构的EXAFS研究
The effect on amplitude of EXAFS from harmonic caused by high order diffraction of crystal monochromator is discussed. 本文讨论了晶体单色器高次衍射形成的谐波对EXAFS振幅的影响。
EXAFS studies of mechanical alloying Fe-Cu binary system 机械合金化Fe-Cu系统的EXAFS研究
EXAFS study of the nearby structure of zinc in a fluorozirconate glass 氟锆酸盐玻璃中锌原子近邻结构的EXAFS研究
EXAFS spectra of glasses in the GeO_2-Bi_2O_3 system were measured, the bond length of Ge O and Ge Ge and the corresponding coordination numbers have been determined using GeO_2(α-quartz) crystal as a standard sample. 测量了GeO2-Bi2O3元系玻璃的EXAFS~()谱,以晶态α石英型GeO2作为标准样品,求得了玻璃中GeO、GeGe键长及相应的配位数。
Adopted the Fumi-Tosi pair potential and the potential parameters given by Dixon and Sangster, the simulation results are coincident very well with the experimental result given by EXAFS and neutron scattering. 模拟表明,采用Fumi-Tosi形式的两体有效势与Dixon和Sangster给出的势参数,可很好地重复EXAFS和中子散射实验结果。
The amorphous structure, surface morphology and activity center can be determined and characterized by XRD, EXAFS, DSC, SEM, TEM and XPS. 非晶态合金催化剂的非晶态结构、表面形态、活性中心分布等可以通过XRD、EXAFS、DSC、SEM、TEM、XPS等方法进行表征、定性。
Study on EXAFS of the Short Range Structure for Amorphous Germanium 非晶锗短程序结构的EXAFS研究
The extended x-ray absorption fine structure ( EXAFS) and x-ray diffraction ( XRD) techniques have been used to study the dependence of structural changes on annealing temperature for metastable body centered cubic ( bcc) Fe_ 80 Cu_ 20 alloy synthesized by mechanical alloying. 利用扩展x射线吸收精细结构和x射线衍射研究了机械合金化制备的体心立方(bcc)的亚稳态Fe80Cu20合金固溶体的结构随退火温度的变化特点。
EXAFS results indicate that Mn atoms are incorporated into ZnO crystal lattice through the substitution of Zn sites. EXAFS结果表明Mn原子是通过替代Zn原子而进入了ZnO晶格。