查询词典 x ray diffraction

The microstructures and optical properties of the films were characterized with X-ray diffraction, small angle X-ray reflection, and ultraviolet visible absorption spectroscopy.

通过直流反应磁控溅射的方法制备了氧化铅薄膜，并通过XRD和紫外－可见光吸收谱对薄膜的晶体结构和光学性能进行了表征。

According to the experimental product, the X-ray powder diffraction bread peak curve derived from it is amorphous, with no diffraction peak of copper in glycine template.

根据实验所得的产物其X-射线粉末衍射曲线呈馒头峰是非晶态，没有出现模板甘氨酸铜的衍射峰。

The Fe3O4/Au nanoparticles have been characterized by X-ray powder diffraction, ultraviolet-visible spectroscopy, scanning elec-tron microscopy with the energy dispersive spectroscopy, transmission electron microscopy, X-ray photoelectron spectroscopy and superconducting quantum interference device magnetometry.

采用X射线粉末衍射仪、紫外吸收可见光谱、带有电子能谱仪的扫描电子显微镜、透射电子显微镜、光电子能谱、超导量子干涉仪等方法，对复合粒子的形态、结构、组成以及磁学性质进行了表征。

A series of molybdenum carbide catalysts were prepared using 20%CH4-H2 to carburize molybdenum trioxide at different temperatures. The catalysts were characterized using X-ray diffraction, X-ray photoelectron spectroscopy and N2-adsorption. Their catalytic performance was evaluated in the model reaction of the dry-methane reforming to synthesis gas. Here, the characteration of bulk and surface Mo2C catalysts and its influence on the catalytic performance were described.

以MoO3为前驱物，于20%CH4-80%H2的混合气体(100 mL/min)中，在不同设定终温下进行碳化，制备了一系列不同碳化终温的Mo2C，通过XRD和XPS等手段进行了表征，并对其甲烷二氧化碳重整制备合成气的催化性能进行评价，讨论了碳化终温作为Mo2C的制备参数，与所制备的Mo2C体相、表面特征和催化剂性能的关系。

Nanostructured zirconia doped with yttria was prepared by co-precipitate method. The structures were characterized by X-ray diffraction and Extend X-ray absorption fine structure . The influences of calcined temperature and Y〓O〓 concentration on structure in crystallization process were studied systematically.

1利用XRD和EXAFS方法对共沉淀方法制备的非晶和纳米ZrO〓：Y〓O〓的结构进行了表征，比较系统地研究了不同处理温度和不同Y〓O〓掺杂浓度在其晶化过程中对结构的影响，并讨论了氧空位所处的位置。

SO〓〓/M〓O〓 solid superacid was applied to the photocatalytic oxidation of organic pollutants for the first time. Porous SO〓〓/TiO〓 solid superacid catalysts with high specific surface area were prepared by sol-gel method. The photocatalytic degradation of bromomethane was used as model reaction. The influence of impregnation with H〓SO〓 solution on the structure of catalysts and their photocatalytic performance was systematically studied by using X-ray diffraction, X-ray photoelectron spectroscopy, N〓 sorption analysis applying BET method, UV-Vis diffuse reflectance spectroscopy, FTIR spectroscopy, O〓-TPD and photocatalytic activity measurement. The acidity of TiO〓-based catalysts was investigated by Hammett indicator method, NH〓-TPD and IR spectra of pyridine adsorbtion. The mechanism of superacidifing effects on photocatalytic performances such as the photocatalytic degradation rate of bromomethane, apparent kinetic constant and apparent quantum efficiency was discussed.The results indicated that SO〓〓 is combined with metal ions of TiO〓 in a chelating bidentate mode.

本文首次将SO〓〓/MxOy型固体超强酸催化剂用于光催化氧化有机污染物研究，采用溶胶-凝胶法制备了具有多孔性和大比表面结构的二氧化钛基固体超强酸光催化剂SO〓〓/TiO〓，以光催化降解溴代甲烷为模型反应，系统地研究了H〓SO〓浸渍处理对催化剂表面酸性及其气相光催化性能的影响，结合XRD、BET、XPS、FTIR、Hammett指示剂法、吡啶吸附红外光谱、NH〓-TPD、O〓-TPD、紫外可见漫反射光谱等多种表征手段，深入地讨论了超强酸化对TiO〓的改性机理，阐明了引起SO〓〓/TiO〓超强酸催化剂光催化降解溴代甲烷的转化率、表观反应速率常数和表观量子效率变化的本质原因。

KGy dose of γ-irradiation decreased content of vitamin B1 significantly and did not had a significant effect on the content of vitamin E, protein, fat, amino acid and unsaturate fatty acid. The results of x-ray diffract grams revealed that the relatively diffraction intensity tended to decrease and the diffraction angle (2θ) tended to increase with the increase of irradiation dose.

X-射线衍射图谱分析表明，1～5kGy 剂量辐照处理可明显降低水饺皮的相对衍射强度，3kGy 辐照水饺的相对衍射强度最低；背景线强度最大值的角度位置(2θ)有随辐照量增加而增加的趋势，辐照对水饺皮淀粉老化有一定的抑制作用。

The worn surface of the sulfurized steel disc was observed with a scanning electron microscope, while the chemical states and phase structure of carbon-nitrided carbon steel and of the sulfurized one were examined by means of X-ray photoelectron spectroscopy and X-ray diffraction.

采用MPX-200型摩擦磨损试验机考察了碳氮共渗及室温电解硫化处理后的20#碳钢的摩擦学性能，探讨了在干摩擦条件下载荷、渗硫处理时间和滑动摩擦时间对渗硫层摩擦系数的影响。

The worn surface of the sulfurized steel disc was observed with a scanning electron microscope, while the chemical states and phase structure of carbon nitrided carbon steel and of the sulfurized one were examined by means of X ray photoelectron spectroscopy and X ray diffraction.

采用MPX-200型摩擦摩损试验机考察了碳氮共渗及室温电解硫化处理后20^#碳钢的摩擦学性能，探讨了在干摩擦条件下载荷、渗硫处理时间和滑动摩擦时间对渗硫层摩擦系数的影响。

The main cause of corrosion case of heat exchange tubes for a heater of nature gas by hot water jacket was studied by means of water quality examination, scanning electron microscope, X-ray photoelectron spectroscope and X-ray diffraction analysis.

用水质分析和腐蚀产物的XRD、XPS、SEM分析等方法及密闭系统静态挂片实验，研究了加热炉腐蚀的主要原因和机理。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。