Results 11 to 20 of about 1,427,908 (343)

Geochemical distributions of natural radionuclides in surface soils and sediments impacted by lead-zinc mining activity.

open access: yesEcotoxicology and Environmental Safety, 2023
This study investigated the distribution features of uranium-238 (238U), radium-226 (226Ra), thorium-232 (232Th), and potassium-40 (40K) and evaluated the associated environmental radiological hazards of the topsoil and river sediments in the Jinding ...
Qiugui Wang   +8 more
semanticscholar   +3 more sources

Speciation Analysis and Risk Assessment of Heavy Metals in the Soil of a Lead-Zinc Mining Area

open access: yesKuangchan zonghe liyong, 2023
This is a paper in the field of mining environmental engineering. Heavy metal pollution in soil has a long-time impact, with high biological toxicity and serious threat on human health.
Yongkang Zhang   +5 more
doaj   +1 more source

Contamination Features and Source Apportionment of Heavy Metals in the River Sediments around a Lead-Zinc Mine: A Case Study in Danzhai, Guizhou, China

open access: yesJournal of Chemistry, 2021
The spatial patterns, ecological risks, and sources of heavy metals (HMs), including Pb, Zn, Mn, Cu, Cd, Hg, and As in river sediments, were identified around a lead-zinc mine of Danzhai, Guizhou, China.
Rongguo Sun   +4 more
doaj   +1 more source

Rhizosphere microbial characteristics of pioneer plant Oxyria sinensis Hemsl. in abandoned Pb-Zn mining area

open access: yesFrontiers in Ecology and Evolution, 2023
Oxyria sinensis has the characteristics of drought resistance, barren resistance, pollution resistance and clonal reproduction, and has the potential to be developed as a restoration plant (pioneer plant) for vegetation restoration and heavy metal ...
Hong Tang   +11 more
doaj   +1 more source

Effects of multi-heavy metal composite pollution on microorganisms around a lead-zinc mine in typical karst areas, southwest China

open access: yesEcotoxicology and Environmental Safety, 2023
Heavy metal pollution poses a serious hazard to the soil bacterial community. The purpose of this study is to understand the characteristics of soil heavy metal pollution in lead-zinc mines in karst areas and the response of Pb, Zn, Cd, and As-induced ...
Yingying Zuo   +4 more
doaj   +1 more source

Influence of structural and textural features of ores and rocks on mine dust explosion hazard during development of pyrite deposits [PDF]

open access: yesE3S Web of Conferences, 2020
In the practice of mining works, sulfide-dust explosions often occur during underground development of pyrite ore deposits: copper-zinc, lead-zinc, copper-nickel, antimony, and others. This makes it necessary to conduct researches aimed at improvement of
Rylnikova Marina   +2 more
doaj   +1 more source

Determination of Tin, Lead and Zinc in a Tin-Lead-Zinc Deposit in Xianghualing Mining Area, Hunan Province by Inductively Coupled Plasma-Optical Emission Spectrometry with Alkali Fusion

open access: yesYankuang ceshi, 2023
BACKGROUND The Xianghualing mining area in Hunan Province is an important part of the east-west tectonic-magmatic-metallogenic belt in the Nanling area.The ore-forming geological conditions in the mining area are superior, and it is famous for its many ...
XIAO Xilian   +5 more
doaj   +1 more source

Distribution characteristics of the point load strength index of irregular ore rock samples in deep mines

open access: yes工程科学学报, 2023
The frequent occurrence of core disking in boreholes under high in-situ stress in deep rock engineering leads to the difficulty in intact core sampling on sites.
Di-yuan LI   +4 more
doaj   +1 more source

Studies on zinc recovery from technogenic waste [PDF]

open access: yesE3S Web of Conferences, 2021
Results from laboratory experiments are presented on extraction of zinc available in waste from lead-zinc metallurgy, mixed with lead-zinc flotation tailings and some waste rock, by leaching it under atmospheric conditions with sulfuric acid (H2SO4 ...
Panayotova Marinela, Panayotov Vladko
doaj   +1 more source

Ecological Risk Assessment and Source Analysis of Heavy Metals in the Soils of a Lead-Zinc Mining Watershed Area

open access: yesWater, 2022
In this study, concentrations of Cr, Mn, Pb, Cu, Zn, As, Cd, Sb, and Fe were determined in soils of a Pb-Zn mine watershed in northern Guangxi, China, for ecological risk assessment and source analysis.
Yongxing Pan   +4 more
semanticscholar   +1 more source

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