نتایج جستجو برای: mineral waters

تعداد نتایج: 105230  

Journal: :Quarterly Journal of the Chemical Society of London 1849

2015
Adam Cudowski Andrzej Stefan Górniak Adam Więcko

Research carried out from 2007 to 2011 showed that a tested semi-natural water system with a diverse catchment (peat, peat-mineral and mineral) has a very varied quality of water, as evidenced by a the large range of conductivity (174-828 μS/cm) and pH (6.34-9.92). Natural lake parts of the semi-natural water system were similar to the artificial parts in terms of physico-chemical parameters, a...

2013
Anna Maria Tarola Raffaella Preti

Twenty-two pesticides and metabolites, selected on the basis of regional priority lists, were surveyed in thirty Italian mineral waters springs for three years by a procedure based on solid phase extraction in combination with gas chromatography coupled with mass spectrometry detection. The procedure proved to be simple, sensitive and reliable, the limits of detection and relative standard devi...

Journal: :Marine pollution bulletin 2007
Zhengkai Li Paul Kepkay Kenneth Lee Thomas King Michel C Boufadel Albert D Venosa

The interaction of chemical dispersants and suspended sediments with crude oil influences the fate and transport of oil spills in coastal waters. A wave tank study was conducted to investigate the effects of chemical dispersants and mineral fines on the dispersion of oil and the formation of oil-mineral-aggregates (OMAs) in natural seawater. Results of ultraviolet spectrofluorometry and gas chr...

Journal: :Applied and environmental microbiology 2003
P Villari M Crispino P Montuori S Boccia

A total of 103 isolates of Aeromonas spp. were obtained over a 3-year period from a natural mineral water and from surface streams located within the boundaries of the watershed of the natural mineral water wells and were typed by macrorestriction analysis of genomic DNA with XbaI and by pulsed-field gel electrophoresis. All Aeromonas caviae isolates from the natural mineral water belonged to t...

Journal: :The Journal of applied bacteriology 1994
L Moreira P Agostinho P V Morais M S da Costa

The mortality of Escherichia coli, Enterobacter cloacae, Klebsiella pneumoniae and Pseudomonas aeruginosa, based on the culturability of these bacteria, was assessed in non-carbonated mineral water, bottled in polyvinyl chloride (PVC) containing the indigenous flora, sterile mineral water bottled in PVC, sterile mineral water in glass containers, and sterile tap water in glass containers. There...

Journal: :Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Food Science and Technology 2019

Journal: :زمین شناسی اقتصادی 0
علی امامعلی پور جعفر عبدالهی شریف

mercury mineralization has occurred in relation with a listwaenitic type hydrothermal alteration system in tavreh area located northwest of khoy. mercury-bearing alteration zone which has an area about 0.4 km2 is situated in one of aland river upstreams. the only mercury compound found in this district is mercury sulfide (cinnabar) deposited as vein and veinlet forms. geochemical investigations...

Journal: :Annali dell'Istituto superiore di sanita 2012
Cristina Nuccetelli Rosella Rusconi Maurizio Forte

INTRODUCTION Drinking waters usually contain several natural radionuclides: tritium, radon, radium, uranium isotopes, etc. Their concentrations vary widely since they depend on the nature of the aquifer, namely, the prevailing lithology and whether there is air in it or not. AIMS In this work a broad overview of the radioactivity in drinking water is presented: national and international regu...

2013
Dariusz Dobrzynski

The study of chemical composition of waters in the abandoned open pyrite mine at WieSciszowice (the Rudawy Janowickie Mts., the W Sudetes, SW Poland) has been canied out with the aim of detennining the conditions of mobi1i7..ation and solubility of aluminium. Both the ion activities and the saturation of water samples with respect to mineral phases have been calculated using the WATEQ4F compute...

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