Results 81 to 90 of about 24,073 (302)
Risk assessment using IEUBK model for the Naica mine tailings
Environmental Progress &Sustainable Energy, EarlyView.Abstract Mexico has a long history of mineral extraction, during which limited environmental regulations allowed the accumulation of toxic waste near communities, primarily in rural or undeveloped areas. Some of these toxic substances, such as lead, pose significant risks to vulnerable populations, particularly children aged 0 to 7 years.
A. Contreras‐Guardiola +4 more
wiley +1 more source
, 1912 Garfield Smelting Company ; Garfield, Utah ; Design for Slag Viaduct ; San Pedro, Los Angeles and Salt Lake and Western Pacific Railway ; Main Line ...
Garfield Smelting Company
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Selective Recovery of Rare Earth Elements by Smelting of Magnets
, 2023 Rare earth elements (REEs) have a crucial role towards low carbon green economy and clean society. A quarter of total global REEs production is used to produce permanent magnets which have high recycling value. In this study, a high-temperature oxidation
Prasanta , Jana +5 more
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Exploration, EarlyView.Developing strong and sustainable materials is essential for reducing reliance on metals and lowering carbon emissions. Inspired by how plants naturally harden their cell walls, we created a rapid process that transforms bamboo into an ultra‐hard structural material by rebuilding lignin‐like networks within its structure.
Jian Gan +3 more
wiley +1 more source
Geologija, 2004 Mining in Slovenia started as far back as the Bronze Age. Since then, mining has been present in this region with only a few interruptions and has left many consequences.The results of research conducted by the Geological Survey of Slovenia in areas of ...
Robert Šajn, Mateja Gosar
doaj
Zinc and Brass in Archaeological Perspective
Ancient Asia, 2006 Brass has a much longer history than zinc. There has been a bit of confusion about the early beginning of zinc as several claims are made out side of India. Both literary as well as archaeological records reveal that production of
J. S. Kharakwal, L. K. Gurjar
doaj +1 more source
The nature and impacts of fines in smelter-grade alumina [PDF]
, 2009 Fines in smelter-grade aluminas art recognized (is a significant process problem in aluminum smelting. However understanding the nature of this fine material and how it impacts the reduction process arc, less clearly understood The combination of new ...
Zujovic, Zoran D. +4 more
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ESG Performance and Credit Risk: Evidence From Chinese Manufacturing Companies
International Journal of Finance &Economics, EarlyView.ABSTRACT This study investigates the effect of corporate environmental, social, and governance (ESG) performance on credit risk using a sample of manufacturing firms listed on China's Shanghai and Shenzhen A‐share markets from 2009 to 2021. Employing fixed effects, the generalised method of moments, and instrumental variable models, we find that ...
Yanan Wang +4 more
wiley +1 more source
Archaeometallurgical studies on the slags of the Middle Bronze Age copper smelting site S1, Styria, Austria [PDF]
, 2015 The copper smelting site S1 in the Eisenerzer Ramsau Valley, Styria, is the largest Bronze Age copper smelting site excavated in the Eastern Alps. The site was almost completely excavated from 1992 to 2006 and ten roasting hearths, six double furnaces, a
Pernicka, Ernst +3 more
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Journal of Applied Toxicology, EarlyView.ABSTRACT Environmental exposure to heavy metals poses a threat to human health. Several studies documented harmful effects on the liver after arsenic and nickel exposure at concentrations beyond permissible limits. Nevertheless, the impact of a simultaneous exposure to both elements on hepatic biochemistry and histology remains unelucidated. Therefore,
Thainá Iasbik‐Lima +4 more
wiley +1 more source