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

