Results 271 to 280 of about 103,990 (311)
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Variation kinetics of chemical and bacterial contaminations of water containing yeast cells
Journal of Water Chemistry and Technology, 2009The article has investigated the variation in the concentration of yeast and saprogenic bacteria, the COD and pH of dispersions over time in aerobic and anaerobic conditions. It has been shown that under aerobic conditions the death and decay of yeast cells are described by the first order equation.
V. L. Starchevskii +3 more
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Bacterial Biodiversity in Soil with an Emphasis on Chemically-Contaminated Soils
Water, Air, and Soil Pollution, 1998Microorganisms isolated from soil are sources of known and new microorganisms and genetic material. This review examines general principles of soil bacterial biodiversity, limitations in sampling soils, and examples of bacterial diversity in chemically-contaminated soils.
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Chemosphere, 2001
The objective of this paper was to investigate possible participation of microorganisms in the release of soluble arsenical compounds from organoarsenic warfare agents in contaminated soil. A number of bacterial strains were isolated with high resistance against As3+ and As5+ ions which are able to degrade the water insoluble compounds triphenylarsine (
M, Köhler +4 more
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The objective of this paper was to investigate possible participation of microorganisms in the release of soluble arsenical compounds from organoarsenic warfare agents in contaminated soil. A number of bacterial strains were isolated with high resistance against As3+ and As5+ ions which are able to degrade the water insoluble compounds triphenylarsine (
M, Köhler +4 more
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Acta Pathologica Microbiologica Scandinavica Section B Microbiology, 1978
The bacterial contamination of one heat‐sterilized, three heat‐disinfected and four chemically‐disinfected monitor types was evaluated before and after dialysis. All monitor types were contaminated. In the heat‐treated monitors the level of contamination varied with the intensity of the heat treatment and the technical design.
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The bacterial contamination of one heat‐sterilized, three heat‐disinfected and four chemically‐disinfected monitor types was evaluated before and after dialysis. All monitor types were contaminated. In the heat‐treated monitors the level of contamination varied with the intensity of the heat treatment and the technical design.
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Environmental Reviews, 2017
Microbes are omnipresent and diverse members of all biological communities. In marine and freshwater ecosystems, microorganisms form the base of the food chain supporting higher trophic levels. Even though microbes are generally thought to live in warm regions of Earth, many of them develop in cold climates.
Klaudia Kosek +2 more
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Microbes are omnipresent and diverse members of all biological communities. In marine and freshwater ecosystems, microorganisms form the base of the food chain supporting higher trophic levels. Even though microbes are generally thought to live in warm regions of Earth, many of them develop in cold climates.
Klaudia Kosek +2 more
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Ecological Engineering, 2019
Abstract Polychlorinated Biphenyls (PCBs) are xenobiotic chlorinated aromatic compounds with high toxicity to both fauna and flora. PCBs can enter the environment through close interactions of multiple environmental matrices such as sediments, soils, water and food web.
Ayesha Hayat +6 more
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Abstract Polychlorinated Biphenyls (PCBs) are xenobiotic chlorinated aromatic compounds with high toxicity to both fauna and flora. PCBs can enter the environment through close interactions of multiple environmental matrices such as sediments, soils, water and food web.
Ayesha Hayat +6 more
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Indian Journal of Forensic Medicine & Toxicology, 2020
This article included bacteriological and some chemical elements study of pollution from Euphrates riverand Al-Flalloja city drainage. The study of four selected sites which are Euphrates river (T), Al-Falahat (F)drainage, Al-Ne’emya (N) drainage, and Al-Bo Alwan (B) drainage in the period 11-13/December/2016Bacteria were isolated and diagnosed in ...
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This article included bacteriological and some chemical elements study of pollution from Euphrates riverand Al-Flalloja city drainage. The study of four selected sites which are Euphrates river (T), Al-Falahat (F)drainage, Al-Ne’emya (N) drainage, and Al-Bo Alwan (B) drainage in the period 11-13/December/2016Bacteria were isolated and diagnosed in ...
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Soil Biology and Biochemistry, 2007
Polycyclic aromatic hydrocarbons (PAHs) are highly recalcitrant widespread environmental pollutants. Bioremediation, accomplished by the introduction of PAH-degrading microorganisms (bioaugmentation) and/or by applying additional nutrients (biostimulation) into a contaminated system is a valuable alternative to traditional chemical and physical ...
Scelza R. +2 more
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Polycyclic aromatic hydrocarbons (PAHs) are highly recalcitrant widespread environmental pollutants. Bioremediation, accomplished by the introduction of PAH-degrading microorganisms (bioaugmentation) and/or by applying additional nutrients (biostimulation) into a contaminated system is a valuable alternative to traditional chemical and physical ...
Scelza R. +2 more
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The Bovine Practitioner, 1984
The objective of our work was to determine the effects of various udder preparations and disinfectants (udder wash sanitizers and postmilking teat dip used as a premilking disinfectant dip) on reducing bacterial populations, sediment and chemical residue in milk.
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The objective of our work was to determine the effects of various udder preparations and disinfectants (udder wash sanitizers and postmilking teat dip used as a premilking disinfectant dip) on reducing bacterial populations, sediment and chemical residue in milk.
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Journal of Applied Microbiology, 2019
To evaluate the interactive effects of oil contamination and chemical dispersant application on bacterial composition and sediment remediation of an estuarine port environment.A multifactorial controlled microcosm experiment was set up using sediment cores retrieved from an estuarine port area located at Ria de Aveiro lagoon (Aveiro, Portugal).
A. Louvado +7 more
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To evaluate the interactive effects of oil contamination and chemical dispersant application on bacterial composition and sediment remediation of an estuarine port environment.A multifactorial controlled microcosm experiment was set up using sediment cores retrieved from an estuarine port area located at Ria de Aveiro lagoon (Aveiro, Portugal).
A. Louvado +7 more
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