Results 11 to 20 of about 7,664,425 (315)
地质科技通报, 2023 The Daliangzi lead-zinc deposit is located in the southwestern Sichuan ore concentration area in the southwestern margin of the Yangtze block, and the ore body′s occurrence obviously controlled by the structure.Aiming at the problem of unclear ore ...
Bo Yang +8 more
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Lost-ore mining—A supplementary mining method to sublevel caving [PDF]
, 2023 Sublevel caving (SLC) is a mass mining method having high productivity and high safety. However, this method often causes a considerable amount of permanent ore loss. Interestingly, all lost ores are buried in the broken waste rocks that come mostly from
Zhang, Zong-Xian, Zong-Xian Zhang
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Geofluids, 2021 The high rock slope situated in the Southwest stope of Taiping Mining, Inner Mongolia, is subject to dumping failure due to its instability. The dumping body rock layer of this stope shows obvious bending and lowering of the head.
Zhigang Meng +6 more
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Ontology of core data mining entities [PDF]
, 2014 In this article, we present OntoDM-core, an ontology of core data mining entities. OntoDM-core defines themost essential datamining entities in a three-layered ontological structure comprising of a specification, an implementation and an application ...
Dzeroski, S, Soldatova, L, Panov, P
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New Approach for Trace Thallium Removal in High Purity Ammonium Rhenate Solution by P204 Extraction
Separations, 2022 Thallium (Tl) is an extremely toxic rare metal to the eco-environment. Trace thallium impurity in ammonium perrhenate is harmful to the high-temperature mechanical properties of rhenium metal used for aeroengine single crystal blade. The di(2-ethylhexyl)
Aifei Yi +7 more
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Geofluids, 2022 This study is aimed at detecting small faults in coal seams. With coal seams of different buried depths in Luling Coal Mine, Yuenan Coal Mine, and Sihe Coal Mine with obvious difference in hardness and outburst hazards selected as the research objects ...
Xinghua Zhang +8 more
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Lessons for the mining industry from non-mining landscape restoration experiences [PDF]
Proceedings of the International Conference on Mine Closure, 2013 Mining is a temporary land use that can produce great economic value from a small physical footprint, although sometimes with an environmental and social footprint that can be devastated by the activity. Nevertheless, mining has the potential to create a foundation for real (sustainable) development in the locality and region around the mine.
Peter Whitbread-Abrutat +2 more
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Effect of Cr on the Microstructure and Mechanical Properties of the Al-Cu-Y-Zr Alloy
Metals, 2023 The present investigation aimed at the determination of Cr addition on microstructure, phase composition, and mechanical properties of the Al-Cu-Y-Zr alloy.
Sayed M. Amer +4 more
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Compensation for occupational lung disease in non-mining industry.
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde, 1995 The course from claim submission (by the National Centre for Occupational health (NCOH)) to compensation (by the Workmen's Compensation Commissioner (WCC)) in 56 cases of occupational disease (OD) was traced. Success rates were determined and the procedural factors which affect claim outcomes isolated.
Goodman, KC, Rees, D, Arkles, RS
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A technology for non-mining flanks formation at deep kimberlite open pits
Izvestiya vysshikh uchebnykh zavedenii. Gornyi zhurnal, 2022 Research objective is to develop a technology for non-mining flanks formation at deep open pits to reduce the amount of stripping operations and increase the scope of diamond fields mining by the open-pit method. Research relevance. The non-mining flanks formation and reduction of their additional excavation from the main openings is one of the most ...
Lel Iurii +4 more
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