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Comparação de técnicas para concentração de índio de telas de LCD e aplicação de eletro-obtenção
(Universidade Federal de Santa Maria, 2015-12-18)
Because of the constant introduction of new technologies to market growth of electronic waste generation has gained importance on the world stage, among these residues are cell phones. Deliver useful life increasingly ...
Utilização de CO2 supercrítico e ácidos orgânicos na lixiviação de índio presente em telas de lcd de telefones celulares
(Universidade Federal de Santa Maria, 2015-07-15)
The growth in the generation of electrical and electronic equipment waste (WEEE) has won global importance and cell phones are highlighted between these wastes because of short life cycle and its amounts of hazardous ...
Análise da viabilidade técnica e econômica da utilização de biogás em motores de ignição por compressão para geração de energia elétrica
(Universidade Federal de Santa Maria, 2019-05-21)
Growth in energy demand and security of energy supply have become a concern in recent decades. The high cost of fossil fuels and the need to reduce the emission of greenhouse gases have made renewable energy sources ...
Efeitos do transbordamento da produtividade agrícola brasileira
(Universidade Federal de Santa Maria, 2019-03-26)
Agriculture is essential for the country's economic development. Brazil stands out in world agricultural production. All surplus produced is destined for exports. In this way, this research aimed to determine the agricultural ...
Produção de olefinas leves a partir de etanol em ZSM-5 sintetizada sem direcionador nitrogenado
(Universidade Federal de Santa Maria, 2015-03-05)
The petrochemical industry is currently strongly based on the production of light olefins ethylene and propylene, which are mainly produced by hydrocarbons from oil. Due to the environmental appeal and unstable oil market ...
Qualidade de vida no trabalho e Síndrome de Burnout em profissionais públicos e privados de Santa Cruz do Sul/RS
(Universidade Federal de Santa Maria, 2014-04-23)
Considering that work represents the main goal in people lives, the Quality of Work Life (QWL) and occupational health become relevant when work market is instable and insecure (COHEN, 2003). Regarding this, the biopsychosocial ...
Análise das taxas de mortalidade por acidente de trabalho na região sul do Brasil
(Universidade Federal de Santa Maria, 2019-02-21)
Fatal occupational accident rates are explored in order to measure workers' exposure to the risks inherent to the economic activity, making it possible to monitor the oscillations and the historical trend of work-related ...
Elaboração de um compósito a partir de resíduos da cultura de girassol com propriedades de absorção sonora
(Universidade Federal de Santa Maria, 2019-03-25)
This research had the objective to develop a composite with acoustic properties from the
residues of the sunflower culture. The work follows cleaner production practices in
conjunction with sustainable ...
Avaliação da qualidade de vida urbana dos discentes da Universidade Federal de Santa Maria residentes no município por meio da regressão logística
(Universidade Federal de Santa Maria, 2019-03-19)
The urban environment differs from one city to another and, by itself, already makes it an
important subject to be analyzed, another fact is that cities are developing more and more,
leading, consequently, to the growth ...
Modelagem para avaliação de locais adequados para a instalação de usinas fotovoltaicas
(Universidade Federal de Santa Maria, 2019-02-20)
Solar energy plays an important role in the evolution of the participation of alternative
sources in the world energy matrix. Brazil has good conditions for the exploitation of
this energy source, due to the good ...