查询词典 electron diffraction

The gemological characteristics of lemon-yellow serpentine jade are studied by the conventional gemology instrument and the polarizing microscope; the Fourier transform infrared spectroscopy, ultraviolet-visible light absorption spectra, X-ray power diffraction and electron probe quantitative analysis have also been used to study the lemon-yellow serpentine jade.

通过常规的宝石学仪器和偏光显微镜来研究柠檬黄色的蛇纹石玉的宝石学性质，进一步用Fourier变换红外光谱、紫外－可见吸收光谱、X射线粉晶衍射和电子探针定量分析对柠檬黄色的蛇纹石玉进行研究，结果表明：这种柠檬黄色的蛇纹石玉主要成分为利蛇纹石，含有少量的纤蛇纹石、水镁石、橄榄石、菱镁矿等。

The synthesized MnO_2 material under different heat-treat temperatures were tested by X-ray diffraction and scanning electron microscopy.The results indicated that the MnO_2 material was granular and had particle size of about 200nm.

采用循环伏安法对MnO_2电极材料进行测试，在1mol/L Na_2SO_4电解液、-0.2～+0.8V扫描电位内，不同扫描速率下电极均表现出理想的电容特性，当扫描速率等于1mV/s时得到最大比容量

Scanning electron microscopy,X-ray fluorescence spectroscopy,X-ray diffraction and X-ray photoelectron spectroscopy were used to analyze the microstructure,chemical composition,crystalline structure and compound constitute of the corrosion scale from cast iron pipe and galvanized steel pipe in drinking water distribution systems.

使用扫描电镜、X荧光光谱分析、X射线衍射分析以及X光电子能谱对给水管网中铸铁管和镀锌钢管上的管内壁腐蚀管垢进行微观形态、化学组成、晶体结构和化合物构成等物理化学特征分析。

M: Using transmission electron microscope and x-ray diffraction method, we have studied samples of aer-borne particulates, collected in Chongqing, which are seriously suffered from acid rain.

例：本文利用投射电镜和 X 射线衍射技术对酸雨危害较为严重的重庆市区大气颗粒样品进行了较为细致的研究工作。

Had been investigated by means of X-ray diffraction , transmission electron microscopy , M〓ssbauer effect , X-photoelectron spectroscopy , EDAX, chemical analysis, gas Analysis, vibrating sample magnetometer , differential thermal analysis-thermogravimetry , image analysis, etc..

使用了XRD、TEM、穆斯堡尔谱测量、X光电子谱技术、气体分析、化学分析、EDAX、图象分析、差热-热重、振动样品磁强计等多种分析手段。

The tensile strength was tested by using the omnipotence testing machine and the fracture characteristics and phase were analyzed by scanning electron micros copy and X-ray diffraction.

摘 要：分析了钛与不锈钢相变扩散连接的工艺参数，利用万能拉伸试验机测试了接头拉伸强度，利用扫描电镜及X射线衍射分析了接头断口形貌及组成相。

In this work, nanostructure samples of La1-xCaxMnO3（x=0.2、0.3、0.4、0.5）were prepared by hydrothermal-precipitation method . The structural characterization of the powder samples were done by X-ray diffraction. XRD patterns showed that all the samples ate single perovskite-type phase withoutother impurity or secondary phase. The shape and size of samples were performed on Scanning Electron Microscopy. SEM photographs investigated that temperature of hydrothermal effects the phase of samples and alkalinity of the reaction mixture by ΔTad-T curve measurement device at low magnetic fielded

本论文采用水热共沉淀退火法制备了La1-xCaxMnO3（x=0.2、0.3、0.4、0.5）系纳米结构，用X射线衍射仪确定产物为单相钙钛矿结构，无任何杂峰及第二相；用扫描电子显微镜与透射电子显微镜分析了产物的大小和形貌，发现水热温度对产物的形成起决定作用，随着温度的升高，产物由薄膜状向丝状转变，而溶液的碱度可控制产物的形貌和大小，当碱度为6.35mol/L，水热温度为240 C时，La0.6Ca0.4MnO3的主要形貌为纳米丝并有少量纳米颗粒，纳米丝平均直径为40nm；最后测量了粉末样品在低磁场（1.4T）下的磁热效应，发现水热共沉淀退火法制备样品的最大绝热温度明显高于球磨法制备样品的最大绝热温变。

The composition of the Cr film was identified by X-ray diffraction, the interface of Chromium/Zircaloy was studied with scanning electron microscopy, the morphology of Cr film was observed with atomic force microscopy.

使用X-射线衍射仪对沉积薄膜进行了物相分析，采用扫描电子显微镜和原子力显微镜对薄膜的表面形貌及膜／基界面做了观察分析。

The silver nanoparticles were characterized by using X-ray diffraction,energy dispersive spectrometer and scanning electron microscope.

在70℃时采用聚乙烯吡咯烷酮和氢氧化钠的混合水溶液，利用葡萄糖还原硝酸银制备了银纳米颗粒。

The monitoring of synthesis process and the characterization of the structure and morphology of the ultrafine particles were performed by the energy dispersive spectrometer, X-ray Diffraction and Transmission Electron Microscope.

通过能谱仪，X射线衍射仪和透射电镜对纳米粒子的组成、结构、形貌、粒径进行了表征和分析。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。