Results 101 to 110 of about 2,445,002 (241)
Eras of electric vehicles: electric mobility on the Verge. Focus Attention Scale [PDF]
, 2013 Daily or casual passenger vehicles in cities have negative burden on our finite world. Transport sector has been one of the main contributors to air pollution and energy depletion.
Dalton, Ruth +2 more
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On the features of the formation of potassium salts deposits of Precarpathia
Мінеральні ресурси УкраїниThe Precarpathian salt deposits are strongly dislocated, and in this, in our opinion, it is necessary to look for the reason for brecciation. The main phase of rock transformation is obviously connected to the stage of tectonic activation.
Z. Z. Khevpa, K. D. Nikolaiev
doaj +1 more source
Research on Warhead Drop Safety and Its Implications for Mine Warheads
水下无人系统学报Warhead drop safety involves multiple aspects such as explosive formula, charging process, warhead design, and service environment. The literature on the warhead drop safety of conventional weapon ammunition was comprehensively summarized, and the ...
Xi LU, Songyi KANG, Xiyu JIA, Feng MA
doaj +1 more source
Detection algorithm for wearing safety helmet under mine based on improved YOLOv5s
Meitan kexue jishuAiming at the problems of low accuracy and high missed detection rate of personnel safety helmet detection algorithm caused by complex environment under mine, an improved mine safety helmet detection algorithm based on YOLOv5s is proposed.
Yuanbin WANG +4 more
doaj +1 more source
Flotation of ores and waste waters
Metalurgija, 2016 World generally requires a very high standard of pollution control, and mining companies pride their organisations as being examples of excellence in this field. Hydrometallurgical mining processes decrease the production of gas and solid pollutants into
R. Radić +3 more
doaj
Meitan xuebaoThe dust pollution during the wet-mix shotcrete process in mines constitutes a crucial factor limiting the efficiency, cleanliness, and safety of wet-mix shotcrete support projects.
Zhongan JIANG +4 more
doaj +1 more source
A dynamic comparison of an oil tariff, a producer subsidy, and a gasoline tax [PDF]
Petroleum industry and trade ; Tariff ; Power resources ...
Carol Dahl, Mine Yücel
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Texas growth slows but remains healthy [PDF]
Although still outperforming the nation,> the Texas economy weakened toward the end of the year. Manufacturing and housing have been the most fragile sectors, but growth has moderated in other areas as well.Texas ; Economic ...
Mike Nicholson, Mine Yücel
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Dynamic modeling and testing of OPEC behavior [PDF]
Power resources - Prices ; Organization of Petroleum Exporting Countries ; Petroleum industry and ...
Carol Dahl, Mine Yücel
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Coal, natural gas and oil markets after World War II: what's old, what' s new? [PDF]
Power ...
Mine K. Yücel, Shengyi Guo
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