Results 21 to 30 of about 19,107,119 (264)
Occurrence of Rare Earth, Iron, Phosphorus and Calcium in High Grade Rare Earth Concentrate
Kuangchan zonghe liyong, 2022 Rare earth grade of Bayan Obo mixed rare earth concentrate is 65.86%, and the contents of P2O5, CaO and TFe are 11.26%, 3.89% and 1.34%, respectively. Chemical analysis, automatic mineral analysis system, SEM and EDS were used to study the occurrence of ...
Na Li +3 more
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Petroleum Exploration and Development, 2023 A quantitative evaluation model that integrates kerogen adsorption and clay pore adsorption of shale oil was proposed, and the evaluation charts of adsorption-swelling capacity of kerogen (Mk) and adsorbed oil capacity of clay minerals (Mc) were ...
Jinbu LI +9 more
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Applied Sciences, 2023 Carbonate reservoirs usually have strong heterogeneity, with complex pore structure and well-developed natural fractures. During reservoir development, when the formation pressure is lower than the bubble point pressure of crude oil, the fluid undergoes ...
Pin Jia +4 more
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Kuangchan zonghe liyong, 2023 This is a paper in the field of process mineralogy. A silica-type tungsten and molybdenum mine in Shaanxi has diverse ore types and large variations in tungsten and molybdenum grades, and it is difficult to improve the concentrate grade and recovery ...
Ying Jiang +5 more
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Types, element occurrence forms and enrichment mechanisms of rhenium metal deposits
地质科技通报, 2021 Rhenium is a strategic rare metal mineral that rarely forms independent deposits.Most of it is produced in the form of associated elements in the porphyry magmatic hydrothermal system.Studies have shown that rhenium-rich deposits are mainly distributed ...
Chengjiao Zhou +2 more
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Occurrence and recoverability of shale oil in Paleogene formation, Subei Basin
Frontiers in Earth ScienceIn recent years, significant breakthroughs have been made in the exploration and development of lacustrine shale oil, but the stable and guaranteed production of shale oil still faces huge challenges. Quantitative characterization of the occurrence state
Peng Jin-Ning +3 more
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Occurrence and recoverability of tight oil in Paleogene Funing Formation, Subei Basin
Shiyou shiyan dizhi, 2020 The shale, interlayers and adjacent carbonate rocks and siltstones in the second and fourth members of the Paleogene Funing Formation in the Subei Basin were studied using multi-temperature pyrolysis and NMR.
Jinning PENG +6 more
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Applied SciencesAddressing the technological bottlenecks in the efficient utilization of clay-type Li deposits in China, this study systematically investigates Li occurrence states and develops clean extraction processes using the Jinyinshan clay-type Li deposit in ...
Hao Zhang +9 more
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Kuangchan zonghe liyongTaking the samples of granite weathering crust ion adsorption rare earth deposits in Changting area of Nanling, Fujian and a place in northern Myanmar as the research objects, the geochemical characteristics, mineral characteristics, composition and ...
Xiaoyu LI +4 more
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Shiyou shiyan dizhi, 2021 Taking the Permian Fengcheng Formation of the Mahu Sag of the Junggar Basin as an example, a systematic study of shale oil was carried out for the occurrence states and potential influencing factors by integrating various data including cores, well ...
Zhifeng YANG +5 more
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