Results 81 to 90 of about 1,022,147 (306)

Optimization of long-hole raise blasting considering drilling deviations: Theoretical and numerical approaches

Journal of Rock Mechanics and Geotechnical Engineering
Long-hole raise blasting (LHRB) is a highly efficient excavation method that is used extensively in underground mining and civil engineering. However, deviations in drilling are usually not accounted for in LHRB, which may adversely affect the efficiency
Xianyang Qiu, Wenbo Shen, Rihong Cao, Xiuzhi Shi, Yongsheng Xie, Wei Liu, Zhigang Tian   +6 more
doaj   +1 more source

Analysis Of Highwall Mining Stability - The Effect Of Multiple Seams And Prior Auger Mining On Design [PDF]

The objective of this is paper is to review the current state of knowledge and practice in highwall mining (HWM). HWM has become a widely-applied method in surface mining, commonly used alone or in conjunction with contour or slot mining. It provides 800-

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Stacked encoding and AutoML-based identification of lead–zinc small open pit active mines around Rampura Agucha in Rajasthan state, India

Scientific Reports
Accurately discerning lead–zinc open pit mining areas using traditional remote sensing methods is challenging due to spectral signature class mixing. However, machine learning (ML) algorithms have been implemented to classify satellite images, achieving ...
Abhishek Kumar Ojha, Raja Biswas, Akhouri Pramod Krishna   +2 more
doaj   +1 more source

Soil, air, and water pollution from mining and industrial activities: Sources of pollution, environmental impacts, and prevention and control methods

Results in Engineering
Mining activities, as essential components of industrial development, play a crucial role in the economy. However, they often entail significant environmental consequences, notably soil contamination by heavy metals.
Mohsen Moghimi Dehkordi, Zahra Pournuroz Nodeh, Kamran Soleimani Dehkordi, Hossein salmanvandi, Reza Rasouli Khorjestan, Mohammad Ghaffarzadeh   +5 more
doaj   +1 more source

STUDY ON QUANTITATIVE SPECIATION, BY BCR METHOD, OF ZINC CONTENT FROM RIVER SEDIMENTS [PDF]

Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2008
The present work presents the results obtained during investigation of the zinc content of the water and river sediments in an area polluted by mining activities, to provide information on the mobility and availability of this element. Sediment and water
Georgiana Vasile, Stanescu Bogdan, Tudor Claudia, Elena Mihaila   +3 more
doaj  

Coal mining practice in district VIII : (Danville) [PDF]

, 1914
Made available in DSpace on 2013-06-24T14:49:05Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) coalminingpracti02andr.pdf: 4815557 bytes, checksum: 8779f6c3c5b7fc04b8ae56f92116b995 (MD5) Previous ...
Andros, S.O.
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Modern trends of geodesy works in underground mine for lead and zinc “Sasa” [PDF]

, 2016
In this paper will be given an overview of the development of modern trends of geodesy in underground mine for lead and zinc "Sasa" in Makedonska Kamenica. The precise geodetic measurements are of crucial importance, especially in mines with underground
Doneva, Nikolinka, Adjiski, Vancho, Mijalkovski, Stojance, Despodov, Zoran   +3 more
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Synthesis of zeolite A using the waste of iron mine tailings dam and its application for industrial effluent treatment

Journal of Sustainable Mining, 2019
In November 2015, a dam from iron mining collapsed, which is considered as the largest environmental accident in Brazil. Over than 50 million m³ were released reaching the Doce River and killed 20 people in Mariana.
Juliana de Carvalho Izidoro, Michelle Caroline Kim, Valentina Ferraraccio Bellelli, Mara Cristina Pane, Amilton Barbosa Botelho Junior, Denise Crocce Romano Espinosa, Jorge Alberto Soares Tenório   +6 more
doaj   +1 more source

Leaching Behavior of As and Pb in Lead-Zinc Mining Waste Rock under Mine Drainage and Rainwater. [PDF]

Toxics, 2023
Guo Z, Yang J, Li K, Shi J, Peng Y, Sarkodie EK, Miao B, Liu H, Liu X, Jiang L.   +9 more
europepmc   +1 more source

Zinc and copper in dairy cattle feeding [PDF]

, 2011
This literature study shows that dietary supplementation of copper and zinc to dairy cattle above current recommendations does not show convincing health ...
Jongbloed, A.W., Goselink, R.M.A.
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