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:无铅压电陶瓷; 熔盐法; XRD; 介电压电性; lead free piezoelectric ceramics; molten salt synthesis; X-ray diffraction; dielectric and piezoelectric properties; [全文内容正在添加中] ......
; 高压; X射线衍射; 相变; scheelite; synchrotron radiation; high-pressure; X-ray diffraction; phase transition; [全文内容正在添加中] ...白钨矿的原位高压X射线衍射研究 李延春1,刘景1,李晓东1,秦善2,刘迎新3 (1.中国科学院,高能物理研究所同步辐射室,北京,100049;2.造山带与地壳演化教育部重点实验室,北京大学,地质学系,北京,100871;3.地质过程与矿产资源国家重点实验室,中国地质大学,北京,100083) 摘要:使用金刚石对顶砧高压装置(DAC)和同步辐射光源,对天然白钨矿进行了原位高压能量色散X射线衍......
却随Al含量的增加而明显降低. 关键词:贮氢合金; Al替代Ni; X射线衍射; 电化学性能; hydrogen storage alloy; Al substitution for Ni; X-ray diffraction; electrochemical performances; [全文内容正在添加中] ...La0.67Mg0.33Ni3.0-xAlx(x=0.0~0.35)贮氢合金相结构和电化学性能研究 王大辉1,康龙1,罗永春1,阎汝煦2 (1.兰州理工大学,甘肃,兰州,730050;2.有色金属新材料重点实验室,甘肃,兰州,730050) 摘要:采用X射线衍射,电子探针和电化学测试研究了La0.67Mg0.33Ni3.0-xAlx(x=0.0~0.35)合金的相结构和电化学性能.XRD结......
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J. Cent. South Univ. (2019) 26: 938-954 DOI: https://doi.org/10.1007/s11771-019-4062-2 Use of X-ray computed tomography to study structures and particle contacts of granite residual soil SUN Yin..., 0.1 mm≤d<0.2 mm, 0.2 mm≤d<0.5 mm and 0.5 mm≤d<1.0 mm) to study the structures and particle contacts of granite residual soil. The X-ray micro computed tomography method was used to reconstruct......
来源于氧化钕的分解还原.根据文中研究得到的定性分析及定量分离方法,选取相应标准物质对两种氧化物释放峰进行分别标定,得到钕铁硼样品中两种状态氧化物的准确定量结果. 关键词:钕铁硼; 氧氮分析仪; X射线衍射; 背散射扫描电镜; 电解提取; 光电子能谱; NdFeB; oxygen & nitrogen analyzer; X-ray diffraction; SEM; electroextraction; X-ray photoelectron spectroscopy; [全文内容正在添加中] ......
溶胶-凝胶法制超细炭的拉曼光谱和XRD研究 李轩科1,吴东2,沈士德3,刘朗1 (1.中国科学院,山西煤炭化学研究所,山西,太原,030001;2.中国科学院山西煤炭化学研究所,煤转化国家重点实验室,山西,太原,030001;3.武汉科技大学,湖北,武汉,43008) 摘要:采用不同的原料,利用溶胶-凝胶超临界流体干燥法制得了超细炭原粉.将超细炭原粉在氩气气氛中于1 100 ℃和2 600 ℃分别进行炭化和石墨化处理得到超细炭粉.利用XRD和拉曼光谱对超细炭粉进行了表征.研究结果表明,原料性能对超细炭结构有较大的影响. 关键词:X-射线衍射; 拉曼光谱; 超细炭; X-ray diffraction; Raman spectroscopy; Ultrafine carbon; [全文内容正在添加中] ......
University of Technology, Tempaku-cho, Toyohashi 441-8580 Japan) Abstract:The existing phases in BaxGd1-xMnO3 solid solution system (0≦x≦1) were studied by analyzing the detailed crystal structure of each composition from the results of the Rietveld method using powder X-ray diffraction data. For a small substitution of Ba for Gd (0≦x Key words:rare earth manganite; phase behavior; X-ray......
Institute of Radioengineering and Electronics,Russian Academy of Sciences,1 Vvedenskii sq.,Fryazino Moscow Reg.,141190 Russia) Abstract:Methods of optical spectroscopy and X-ray crystallography data were... and europium salts Eu(RCOO)3·nH2O were also studied.Vibrational IR and Raman spectra of phenylacetate family were analyzed.The crystal structure of nitropropionate Eu(NO2C2H4COO)3·Phen was solved by X-ray......
