Buscar
Itens para a visualização no momento 2451-2460 of 3386
Estudo quali-quantitativo visando melhorias no gerenciamento dos resíduos sólidos de dois condomínios residenciais no município de Santa Maria
(Universidade Federal de Santa Maria, 2020-01-23)
The growth of solid waste generation has caused problems, especially in developing countries,
since solid waste management systems have not kept pace with the increasing amounts of
disposed waste. For the design of ...
Utilização do uso e ocupação da terra obtida por sensoriamento remoto na modelagem hidrológica
(Universidade Federal de Santa Maria, 2020-02-13)
In recent decades, extreme rainfall-runoff events have increased significantly as a result of
climate change and anthropogenic impacts at the global scale. Several authors have reported
the influence of land use and land ...
Caracterização do comportamento de falhas nas séries de precipitação do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2021-03-11)
The automatic weather stations provide hourly information over pluviometric
precipitation, and it is recurrent the occurrence of missing data in these data series. This
situation compromise the data analysis, since it ...
Resíduos sólidos recicláveis e não-recicláveis produzidos no Centro de Tecnologia da UFSM
(Universidade Federal de Santa Maria, 2019-03-18)
With the increase of solid waste production, it arouses the need to establish
public policies that allow its proper management, reducing its impacts on the
environment. Solid waste management involves controlling the ...
Avaliação da contaminação de um rio utilizado para abastecimento humano por meio de biomarcadores de toxicidade
(Universidade Federal de Santa Maria, 2020-02-28)
The contamination of water resources by pesticides is a growing environmental problem that can cause adverse effects on non-target organisms and, consequently, on the entire ecosystem. Pesticides used in agriculture can ...
Contaminação ambiental por efluentes e micropoluentes: efeitos toxicológicos sobre peixes da espécie Cyprinus carpio
(Universidade Federal de Santa Maria, 2021-12-17)
The absence of treatment or the ineffective treatment of effluents is one of the biggest sanitary
problems in Brazil, since several potentially dangerous substances can be transported through
them, being constantly ...
Uso de vermicomposto com diferentes tempos de maturação e micorrização na fitorremediação de cobre por Canavalia ensiformis em solo arenoso de vinhedo
(Universidade Federal de Santa Maria, 2021-11-19)
The addition of vermicompost and the mycorrhization of plants can significantly increase the efficiency of
phytoremediation in sandy soils of vineyards contaminated by copper (Cu). Vermicomposting time alters
chemical, ...
A variância de krigagem na compreensão do comportamento da precipitação pluviométrica no Brasil subtropical
(Universidade Federal de Santa Maria, 2020-07-09)
The pluviometric precipitation presents a large spatial variability and it is a phenomenon characterized by its irregular distribution. Its data are available from a limited number of stations that provide only punctuations ...
Produção de bio-hidrogênio a partir da casca de arroz via processo de fermentação escura
(Universidade Federal de Santa Maria, 2021-08-30)
In the contemporary world, the growing global demand for energy, the reduction of non-renewable energy resources and the concern with the quality of the environment are noticeable. It is well known that the demand for ...
Controle digital aplicado a um sistema fotovoltaico multistring autônomo
(Universidade Federal de Santa Maria, 2011-06-17)
This work presents the design of a stand-alone photovoltaic system based on the
multi-string topology. In this topology, two PV panel arrays are connected to a DC bus
through cascaded boost converters. A bidirectional ...