Minimum Pollution
Mostrando 1-12 de 23 artigos, teses e dissertações.
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1. Methodology for minimum nitrogen compounds removal efficiencies estimation and wastewater treatment systems pre-selection: a watershed approach
RESUMO O nitrogênio constitui importante parâmetro para o controle da poluição hídrica, uma vez que a nitrificação produz consumo de oxigênio do ambiente aquático, além da toxicidade associada à algumas formas de nitrogênio. Este estudo estabeleceu e empregou modelo de otimização visando a determinação simultânea de eficiências mínimas de
RBRH. Publicado em: 17/10/2019
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2. Avaliação da influência das condições meteorológicas na concentração de material particulado fino (MP2,5) em Belo Horizonte, MG
RESUMO O agravamento da poluição atmosférica nos centros urbanos devido ao crescimento das instalações industriais e da frota veicular é um problema que causa danos ambientais, afetando também a saúde humana, principalmente pela inalação de material particulado fino (MP2,5). O objetivo deste estudo foi avaliar a influência das condições meteorol
Eng. Sanit. Ambient.. Publicado em: 30/05/2019
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3. Effect of traffic noise on Scinax nasicus advertisement call (Amphibia, Anura)
ABSTRACT Increased anthropogenic-made sounds such as traffic noises contribute to acoustic pollution, which produces deleterious effect on song-vertebrates. We compared the advertisement call of Scinax nasicus (Cope, 1862) males in natural (as a reference or control, Site A) and Sites affected by traffic noises (Site B). Call structure was recorded and it wa
Iheringia, Sér. Zool.. Publicado em: 25/02/2019
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4. Effects of exposure to fine particulate matter in elderly hospitalizations due to respiratory diseases in the South of the Brazilian Amazon
Exposure to air pollution is an important cause of hospital admissions due to respiratory diseases. Nevertheless, few studies use pollutant concentration data estimated by mathematical models. A time-series ecological study was developed, using data from hospitalizations due to respiratory diseases in people over 60 years of age, residents of Cuiabá, Brazil
Braz J Med Biol Res. Publicado em: 24/01/2019
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5. ECONOMIC AND FINANCIAL VIABILITY OF DIGESTER USE IN CATTLE CONFINEMENT FOR BEEF
ABSTRACT This research analyzes the economic and financial feasibility of implementing a biodigester for confinement of beef cattle on a farm located in the State of São Paulo, through the approach of discounted cash flow. The anaerobic digestion technology arouses interest, due to its advantages with the generation of electricity and the pollution reductio
Eng. Agríc.. Publicado em: 2017-04
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6. Contribuição para a elaboração de um sistema de gestão ambiental dos diques de manutenção e reparo do Arsenal de Marinha do Rio de Janeiro / Contribution to the development of an environmental management systems of drydicks of the maintenance and repair of the Arsenal de Marinha do Rio de Janeiro
A Baía de Guanabara, ambiente de localização do Arsenal de Marinha do Rio de Janeiro (AMRJ), sofre com a intensa pressão antrópica, principalmente no aspecto da qualidade das águas. Neste contexto, uma fração considerável da poluição decorre das atividades dos estaleiros, uma vez que a atividade industrial naval no Rio de Janeiro não tem mecanism
Publicado em: 2010
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7. Traffic air pollution effect in the blood pressure of traffic agents in Santo André, São Paulo, Brazil / Efeito da poluição do tráfego na pressão arterial dos agentes de trânsito em Santo André
The constant exposition to air pollution continues to cause the populations health problems, and its result an increase of morbidity and mortality by respiratory and cardiovascular diseases. This is a cross-sectional study which aims to assess the modifications in the systemic blood pressure and the pulse pressure in young male individuals, exposed to the tr
Publicado em: 2009
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8. RURAL TOURISTIC INVENTARY IN ENVIRONMENT UNITS STUDY CASE: RIVER WATERSHED OF IBICUI RIVER UP TO THE DAM SATURNINO DE BRITO / INVENTÁRIO TURÍSTICO RURAL EM UNIDADES AMBIENTAIS ESTUDO DE CASO: BACIA HIDROGRÁFICA DAS NASCENTES DO RIO IBICUÍ-MIRIM ATÉ A BARRAGEM SATURNINO DE BRITO
Tourism has among its characteristics the dependence on the free time of people who travel, an unstable demand for intangible and diversified products, different public according to the season of year and static environment without the possibility of stocking its production. Besides the public, receptive, food, transportation, recreational and entertainment
Publicado em: 2009
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9. Atmospheric patterns associated with concentrations of tropospheric ozone in the metropolitan region of Sao Paulo / Padrões atmofésricos associados a concentrações de ozônio troposférico na região metropolitana de São Paulo
In the past few years, tropospheric ozone has been noticed to exceed the states environmental agency (CETESB) air quality standards more than any other air pollutant in the Sao Paulo Metropolitan Area (SPMA), Brazil. Its assumed that different atmospheric patterns are responsible for different impacts on ozone concentrations, due to already known phenomena c
Publicado em: 2009
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10. Impact of artificial lighting on the ecosystem / Influência da iluminação artificial sobre a vida silvestre: técnicas para minimizar os impactos, com especial enfoque sobre os insetos
The impact of light pollution on man and on the ecosystem is a rising concern among ecologists however, in the same time the human population is demanding more lighting for safety and comfort. In order to satisfy human lighting needs with a minimum impact on the ecosystem, manly on insects, we tested commercial equipments using different types of lights and
Publicado em: 2008
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11. Supply of Environmental Services from Agriculture / Oferta de serviços ambientais na agricultura
Water erosion is the main cause of soil degradation in tropical and sub-tropical environments and top soil loss is the biggest challenge for sustainable agriculture in the world. It affects water quality and quantity, and decreases soil quality. Despite this, the market is not able to solve these problems because of their public good characteristics (non-riv
Publicado em: 2008
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12. Pré-cloração associada à adsorção em carvão ativado em pó e flotação por ar dissolvido na remoção de microcistina presente em três diferentes concentrações em águas provenientes de reservatório eutrofizado / Prechlorination associated to adsorption with powdered activated carbon and dissolved air flotation in the removal of three concentrations of microcystin present in eutroficated reservoir water
The disordered growth of cities, the use of planting areas near the water sources and the launch of domestic and industrial wastewater without treatment are the main sources of water bodiespollution. Such pollution contributes to increase the nutrient loading in the water bodies. In association with climatic factors, this enrichment of nutrient provides suit
Publicado em: 2008