Buscar
Mostrando ítems 31-40 de 2546
Identification of hazardous nanoparticles present in the Caribbean Sea for the allocation of future preservation projects
(ElsevierNL, 2021)
The deposition of remaining nanoparticles in the Caribbean Sea generates the formation of potentially dangerous elements, which influence at the imbalance of ecosystems. The detection of nanoparticles is not simple and the ...
Metals and limnological variables in an urban reservoir: compartmentalization and identification of potential impacted areas
(2018-01-01)
Reservoirs in urban areas are used for different purposes and are liable to different types of pressures that can cause the loss of chemical and biological quality, hence diminishing their ecological, economic, and cultural ...
Cryptosporidiosis and water
(2017-01-01)
Cryptosporidiosis is being studied as an important waterborne zoonosis with wide global distribution. The infrastructure of basic sanitation services is deficient in several countries, and ingestion of Cryptosporidium spp. ...
Experimento didático sobre cromatografia gasosa: uma abordagem analítica e ambiental
(Sociedade Brasileira de Química, 2008)
This paper describes an experiment to teach the principles of gas chromatography exploring the boiling points and polarities to explain the elution order of a series of alcohols, benzene and n-propanone, as well as to teach ...
Bacterial contamination of automotive fuels in a tropical region: the case of Costa Rica
(Universidad de Costa Rica, 2009)
Prevalence of virulence factors in Escherichia coil isolated from healthy animals and water sources in Brazil
(Iwa PublishingLondonInglaterra, 2011)
Biodiversity of Aspergillus section Nigri populations in Argentinian vineyards and ochratoxin A contamination
(2013-12)
Aspergillus section Nigri are described as the main source of ochratoxin A (OTA) contamination in grapes and wine worldwide. The knowledge of the factors affecting grape contamination by species included in this section ...
Impactos ambientais de uma indústria metalomecânica: estudo de caso
(Universidade Tecnológica Federal do ParanáFrancisco BeltraoBrasilEngenharia AmbientalUTFPR, 2018-06-18)
The present work had as objective to identify the possible sources of contamination by Iron and Manganese of groundwater used in industry of the metalomechanical sector, as well as the characterization of the liquid effluent ...
Groundwater contamination: Risk management and assessment for landfills in Mar del Plata, Argentina
(Springer, 2001-03)
This study presents a program for risk management in the contamination of groundwater resulting from leachate in landfills at Mar del Plata (Argentina). The program includes prediction, prevention, monitory observation and ...