查询词典 x ray diffraction

In this paper several technologies, such as Fourier transform infrared spectroscopy, elemental analyzer, wide angle X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy and high resolution transmission electron microscopy were used to systemically investigate the evolution of crystal structure, chemical structure, microstructure and properties of wet-spinning and dry-jet wet-spinning PAN precursor fibers during proxidation and carbonization process, analysis the structural change of carbon fibers during graphitization, and discuss the correlation between the structure and properties.

本文采用傅里叶变换红外光谱、元素分析仪、X射线衍射仪、场发射扫描电镜、透射电镜以及高分辨透射电镜等测试技术，分别系统研究了湿纺原丝和干喷湿纺原丝在预氧化和碳化过程中纤维晶体结构、化学结构、微观结构和力学性能的演变规律，分析了碳纤维在石墨化过程中的结构转变，并对碳纤维结构与性能的相关性问题作了探讨。

This law needs to watch the trend of the step on face of CdSe crystal cleavage only, can determine the C axis direction of CdSe crystal, namely the C axis direction that the direction with the outspread step on cleavage face is CdSe crystal, used law of X ray diffraction to undertake test and verify to the result.

此法只需观察CdSe晶体解理面上台阶的走向，便可确定CdSe晶体的C轴方向，即解理面上台阶延伸的方向为CdSe晶体的C轴方向，并采用X射线衍射法对结果进行了验证。

The method for catalyst copper analysis was established, in which an effective measurement of trace content of elements with incremental mode by X-Ray diffraction fluorescence spectroscope was introduced.

建立了采用X射线衍射荧光光谱仪、过增量法测定铜催化剂中微量元素含量的方法。

Electrochemical properties of electrodeposited Cu/Co multilayers were investigated by potentiodynamic curve and electrochemical impedance spectroscope. X-ray diffraction and scanning electron microscopy were used to study the sample structure and morphology.

中文摘要本研究利用准稳态动电位扫瞄法、电化学交流阻抗法研究电镀铜钴多层膜的电化学特性，并利用X光绕射仪和扫瞄式电子显微镜研究镀层的结晶结构和形态。

Effects of various main factors on water absorbency were systemically investigated. The structure and surface morphology of the superabsorbent nanocomposites have been characterized by Fourier transform infrared spectroscope, X-ray diffraction and scanning electron microscope.

系统地讨论各影响因素对复合吸水性树脂吸水能力的影响，并通过傅立叶变换红外、X-射线衍射、扫描电子显微镜等物理手段来表征复合高吸水性树脂的结构、表面形貌等性能。

AlPO4 was synthesized by a Sol-Gel method. Its coefficient of thermal expansion was measured by dilatometer. Its corrosion behavior was tested in an environment of 50vol%H2O/50vol%O2 with a flow rate of 0.085cm/s at 1350℃. The phases and composition of the samples were analyzed by X-ray diffraction and Energy Dispersive Spectroscope. The microstructures of AlPO4 were characterized by Scanning Electron Microscope.

采用溶胶凝胶法合成了一种AlPO4环境障碍涂层材料，测定了其热膨胀系数，在1350℃、50vol% H2O/50vol%O2、1.013×105 Pa、气体流速0.085cm/s的水氧耦合环境中研究了其抗水氧腐蚀性能，并利用X射线衍射仪、能谱分析仪和扫描电子显微镜分析了材料组成和微观结构。

Microstructure observation, micro-hardness testing, scanning electron microscope observation, energy dispersive spectroscope and X-ray diffraction analysis were employed to investigate the structure and performance of the joints.After SSNCed for 5min by means of HESP, surface nanostructured layer about 70μm and 50μm thickness were obtained on the stainless steel and titanium alloy ends respectively.

文中对高能喷丸处理后的不锈钢和钛合金的纳米组织进行了表征；试验研究了不锈钢和钛合金表面层纳米组织的热稳定性；采用恒温恒压、脉冲加压对表面自纳米化0Cr18Ni9Ti不锈钢与TA17近α钛合金进行扩散连接；借助拉伸实验机、金相观察、显微硬度测试、扫描电镜观察、能谱分析、X-射线衍射等分析手段研究了表面自纳米化钛合金与不锈钢扩散连接接头的组织结构和性能。

Using the con- tinuous current law to deposit Pt and Fe, then through the high temperature heat treatment , the electrodes were prepared and characterized by scanning electronic microscope, X-ray diffraction, energy disperse spectroscope as well as inductively coupled plasma.

将预处理后的钛片作为电极基体，采用恒电流法沉积Pt和Fe，通过高温热处理得到Ti/Pt-Fe电极，通过扫描电镜、X射线衍射、电子能谱以及等离子发射光谱等方法对所制备电极表面形貌、组分的合金化程度、催化层成分组成以及电极寿命等进行了表征；在煤浆电解过程中，采用两电极体系，对所制备电极的电催化活性进行了测试。

Secondly, the structure and the characteristics were analyzed by X-ray diffraction, TG-DAT, infrared spectrum and Raman spectrum.

其次，通过XRD分析、X射线荧光光谱分析、热分析和晶体振动光谱对晶体的结构和成分进行了分析。

The obtained white powder sample was characterized by X-ray diffraction, infrared spectrum and transmission electro-microscope.

用X射线衍射、红外光谱和透射电镜对纳米复合物的组成和结构进行了研究。

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。