نتایج جستجو برای: zn smelter

تعداد نتایج: 39743  

Journal: :Mutation research 2006
Tapio Eeva Eugen Belskii Boris Kuranov

Many common environmental pollutants, together with nuclear radiation, are recognized as genotoxic. There is, however, very little information on pollution-related genetic effects on free-living animal populations, especially in terrestrial ecosystems. We investigated whether genetic diversity in two small insectivorous passerines, the great tit (Parus major) and the pied flycatcher (Ficedula h...

Journal: :Environmental Health Perspectives 1997
D E Fleming D Boulay N S Richard J P Robin C L Gordon C E Webber D R Chettle

Bone lead levels for 367 active and 14 retired lead smelter workers were measured in vivo by X-ray fluorescence in May-June 1994. The bone sites of study were the tibia and calcaneus; magnitudes of concentration were used to gauge lead body burden. Whole blood lead readings from the workers generated a cumulative blood lead index (CBLI) that approximated the level of lead exposure over time. Bl...

2007
Miles G. Nicholls

In this paper, an existing model of a multi-period nonlinear bilevel model of an aluminium smelter which allows for the transfer of stocks of raw materials throughout the planning period is extended to allow for the inter-temporal transfer of capacity. The situation arises in reality where a part of the smelter is closed for scheduled maintenance and in order to adhere to the prime directive of...

Journal: :Journal of the National Cancer Institute 1969
A M Lee J F Fraumeni

To clarify the role of arsenic in human carcinogenesis, the mortality experience of 8,047 white male smelter workers exposed to arsenic trioxide during 1938-63 was studied and compared with that of the white male population of the same States. Smelter workers had an excess total mortality, due mainly to malignant neoplasms of the respiratory system and diseases of the heart. The threefold incre...

2017
Martine D. Hansen Therese H. Nøst Eldbjørg S. Heimstad Anita Evenset Alexey A. Dudarev Arja Rautio Päivi Myllynen Eugenia V. Dushkina Marta Jagodic Guttorm N. Christensen Erik E. Anda Magritt Brustad Torkjel M. Sandanger

Toxic elements emitted from the Pechenganickel complex on the Kola Peninsula have caused concern about potential effects on local wild food in the border regions between Norway, Finland and Russia. The aim of this study was to assess Ni, Cu, Co, As, Pb, Cd, and Hg concentrations in local wild foods from these border regions. During 2013-2014, we collected samples of different berry, mushroom, f...

2017
Mark Dorreen Linda Wright Geoff Matthews Pretesh Patel David S. Wong

This paper examines the development of the new EnPot heat exchanger technology for aluminium smelters and the potential impact it could have on the sustainability and economics of primary aluminium production. The EnPot technology can be used to help the aluminium smelting industry be part of the solution to accommodate increased intermittency in our future renewable energy generation, post COP...

2017
F. Brulle C. Cocquerelle G. Mitta V. Castric F. Douay A. Leprêtre F. Vandenbulcke Franck Brulle Claude Cocquerelle Guillaume Mitta Vincent Castric Francis Douay Alain Leprêtre Franck Vandenbulcke

The aim of this work was to identify in Eisenia fetida genes whose expression are regulated following exposure to a complex mixture of Metallic Trace Elements (MTE) representative of a highly polluted smelter soil. Suppression Subtractive Hybridization (SSH) was used to construct cDNA libraries enriched in upor downregulated transcripts in the immune circulating cells of the cœlomic cavities, n...

Journal: :Agro sur 2021

The topic of vegetative cover rehabilitation industrial barrens sites has a worldwide significance, especially given the potential polluted soils themselves to be “secondary pollution sources.” goal this study was determine effect peat addition lime + vermiculite-lizardite combined amendment on plant growth in from vicinity Ni/Cu smelter Kola Peninsula, Russia. Given complexity and time-consumi...

2007
LI YI YETANG HONG DUOJUN WANG YONGXUAN ZHU

The study of heavy metal speciation is of interest for the evaluation of their ecotoxicological risk. Free heavy metal ion concentrations of Cu2+, Zn2+, Ni2+ and Cd2+ were studied at different soil to soil solution ratio (SSR) to discuss metal bioavailability and toxicity in circumstance. The samples were collected from two farmed soils, impacted by a cadmium rich zinc deposit, Guizhou, China. ...

Journal: :Occupational medicine 2010
O A Taiwo M D Slade L F Cantley S R Kirsche J C Wesdock M R Cullen

BACKGROUND Beryllium exposure occurs in aluminium smelters from natural contamination of bauxite, the principal source of aluminium. AIMS To characterize beryllium exposure in aluminium smelters and determine the prevalence rate of beryllium sensitization (BeS) among aluminium smelter workers. METHODS A population of 3185 workers from nine aluminium smelters owned by four different aluminiu...

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