关于X-ray diffraction Enternal standard method,Direct standard method,Internal standard method方法的区别和各自的长短处

powder X-ray diffraction粉末x射线衍射粉末? 关于X-ray diffraction Enternal standard method,Direct standard method,Internal standard method方法的区别和各自的长短处 EDXD（energy dispersive x-ray diffraction）是做什么用的? 英语翻译the structural and magnetic properties of hexagal four-form of SrMnO3 have been investigated by combining magnetization measurements,electon diffraction,and high-resolution synchrotron x-ray and neutron powder diffraction.below 350K,there 英语翻译The X-ray diffraction (XRD) patterns were recordedon a X-ray power diffractometer using Cu Ka radiation(0.15418 nm) (PANalytical Co.X’pert PRO,Netherlands) operated under a voltage of 40 kV and acurrent of 40 mA. 外文翻译,求高人帮忙翻译一下!急!谢谢!The thermal behaviour of TiO2-WO3-V2O5 catalysts with various vanadia contents (1, 2 and 3 wt.% V2O5) was investigatedusing X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman spe x-ray 关于X-ray,关为什么X-ray前面用an而不用a. 翻译一篇生物英文论文Molecular Structure of Deoxypentose Nucleic Acids While the biological properties of deoxypentose nucleic acid suggest a molecular structure containing great complexity, X-ray diffraction studies described here show t 英语翻译Quantitative X-ray diffraction data for Ce/Al2O3 catalysts wereobtained by comparing CeO2 /Al2O3 intensity ratiosmeasured for catalyst samples with peak ratios measured forphysical mixtures of CeO2 standard and ç-Al2O3 support. X-RAY是什么意思 x-ray是什么 x-ray啥意思? X一ray是什么意思 X-ray什么意思 X-ray fluorescence是什么意思 x-ray in X-ray grid