全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Qiang ZHENG , Wenyuan WU , Xue BIAN
来源:[J].Journal of Rare Earths(IF 1.363), 2017, Vol.35 (3), pp.300-308Elsevier
摘要:Abstract(#br)This paper focused on the investigation of the mineralogical characteristics of rare earth minerals from Bayan Obo tailings during the roasting process in the presence of coal, Ca(OH) 2 and NaOH. Roasting experiments and leaching experiments were carried out to stud...
作者:Xiaoming Xu , Hongrui Ding , Yan Li ...
来源:[J].Mineralogy and Petrology(IF 1.681), 2018, Vol.112 (5), pp.671-683Springer
摘要:... Optical microscope, scanning electron microscope, energy dispersive X-ray spectroscopy and micro-Raman spectrometer were employed to achieve non-destructive, sensitive, in-situ and micro analysis on their mineral assemblages, micromorphological features and elemental distribution characteristics...
作者:Shujie Wang , Huaiming Li , Shikui Zhai ...
来源:[J].Acta Oceanologica Sinica(IF 0.583), 2017, Vol.36 (2), pp.22-34Springer
摘要:... In this paper, mineralogical characteristics of the sulfides were analyzed with optical microscope, X-ray diffractometer, scanning electron microscope and electron microprobe to study the crystallization sequence of minerals and the process of hydrothermal mineralization. A...
作者:H. Deng , X. Xie , K. Chen ...
来源:[J].Australian Journal of Earth Sciences(IF 1.468), 2018, Vol.65 (6), pp.851-862Taylor & Francis
摘要:... The characteristics and spatial variability of mineral components in this continental shale formation play a crucial role in evaluating and characterising the shale reservoirs. We collected 64 shale core samples from 30 representative sampling sites located in the central s...
作者:E. A. G. Marques , D. J. Williams , I. R. Assis ...
来源:[J].Environmental Earth Sciences(IF 1.445), 2017, Vol.76 (17)Springer
摘要:... Several cut and natural slopes were selected for more detailed descriptions of their physical, mineralogic, geologic, structural and geotechnical parameters, focusing on weathered rock materials, including characteristics of matrix (e.g., fabric, mineralogy and degree of...
作者:Chengxiang Li , Rucheng Wang , Xiancai Lu ...
来源:[J].Applied Clay Science(IF 2.342), 2013, Vol.74, pp.37-46Elsevier
摘要:... The mineralogical and geochemical characteristics of the ores were investigated by using multiple techniques. The ores were found to mainly consist of talc (30–70%), dolomite, quartz, and magnesite. Most of talc crystals are ultrafine (with an average crystallite size ...
作者:Yuting Du , Hongfu Wang , Zhongchang Wang ...
来源:[J].Journal of Wuhan University of Technology-Mater. Sci. Ed.(IF 0.484), 2017, Vol.32 (2), pp.413-416Springer
摘要:To reveal the influence of mechanical activation on the performance of fly ash, the microanalysis (the energy spectroscopy, XRD and SEM), the distribution size of particle of fly ash and cement paste intensity of various age for different grinding time were studied. The relations...
作者:Cemile Erarslan , Yüksel Örgün
来源:[J].Arabian Journal of Geosciences(IF 0.74), 2017, Vol.10 (10)Springer
摘要:The first combined mineralogical and geochemical investigation of coal ashes from the Northwest Thrace Coal Basin, Turkey, was performed as a case study. The coal ash samples were obtained at 525 °C (group I), 750 °C (group II), and 1000 °C (group III) ashing temperatures...
作者:Zhengqi Guo , Deqing Zhu , Jian Pan ...
来源:[J].Minerals, 2017, Vol.7 (6)DOAJ
摘要:... In this investigation, the textural and mineralogical characterization of the typical nickel slag from RRAL in Western Australia was performed by X-ray diffraction (XRD), and scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS). The results show that ...
作者:V. I. Silaev , D. V. Ponomarev , D. V. Kiseleva ...
来源:[J].Paleontological Journal(IF 0.472), 2017, Vol.51 (13), pp.1395-1421Springer
摘要:A complex mineralogical geochemical study of the bone detritus of large Pleistocene mammals inhabiting the Pechora Fore-Urals, the northernmost European part of their geographical range, is performed for the first time. The chemical composition, microstructure, content of 50 ch...

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