Buscar
Itens para a visualização no momento 11-20 of 215
Utilização de uma bentonita tratada termicamente como catalisador foto-Fenton para a degradação de corantes em soluções aquosas
(Universidade Federal de Santa Maria, 2018-03-22)
The presence of toxic organic and inorganic compounds in surface waters is one of the major environmental pollution problems. The textile industries generate a large amount of effluents containing organic dyes, such as ...
Sustentabilidade de concretos com misturas binárias de pozolanas e resíduos de demolição de concreto com ênfase na avaliação e custo do ciclo de vida
(Universidade Federal de Santa Maria, 2018-08-28)
With the increasing consumption of natural resources worldwide, great concern about the environment is generated, making sustainability a focus on the quality of life and survival of living beings. In order to reduce these ...
Cadeia de suprimentos: avaliação para seleção de fornecedores verdes em um hospital universitário
(Universidade Federal de Santa Maria, 2018-01-23)
Due to increased consumer awareness and government pressures on environmental issues, organizations are emphasizing the importance of sustainability in supply chain operations through the selection of green suppliers. This ...
Imunidade contra surtos de tensão em sistemas de iluminação
(Universidade Federal de Santa Maria, 2018-02-28)
This work presents a new point of view about electrolytic capacitor reduction in lighting
systems. While most of studies focus only in the functionality of the driver, as ripple current
and time response they don’t check ...
Sistema de supervisão local/remoto para pequenas centrais de geração elétrica
(Universidade Federal de Santa Maria, 2018-03-23)
Supervisory systems are widely used in power generation systems. They allow
operation analysis by means of a human-machine interface, which acts on the plant. In
addition, supervisory systems can be used to check operating ...
Aumento da eficiência total de armazenadores de energia compostos por eletrolisadores, células a combustível e hidretos metálicos
(Universidade Federal de Santa Maria, 2018-03-26)
The growing global energy consumption, the search for reduction in carbon emissions and
climate problems highlight the importance of investment in low environmental impact energy
systems. In this sense, the Generation ...
Estudo da influência da condição de aderência entre camadas de pavimentos em seu comportamento mecânico
(Universidade Federal de Santa Maria, 2018-05-24)
The performance of pavements is influenced by several factors. In the mechanisticempirical
design, one of these is the bond condition at the interface of the constituent
layers of the pavement. Despite this, this phenomenon ...
Comportamento de argamassas industrializadas de assentamento submetidas a altas temperaturas
(Universidade Federal de Santa Maria, 2018-04-19)
This study investigates the behavior of industrialized mortar under high temperature conditions, analyzing the flexural tensile strength and axial compression strength. In order to carry out this research, three groups of ...
Sistema de climatização ambiental automatizado em modo misto para uso em edificações residenciais na zona bioclimática brasileira 2
(Universidade Federal de Santa Maria, 2018-08-28)
The strategy of Hybrid Ventilation (VH) or mixed mode (MM), switching between the use of natural
ventilation (VN) and air conditioning (AC), is a way to reduce expenses with artificial conditioning
systems and achieve ...
Alocação e programação de pessoal de manutenção em uma empresa do setor elétrico: um estudo de caso
(Universidade Federal de Santa Maria, 2018-08-29)
Staff scheduling has become one of the primary means by which service organizations remain competitive. An unsuitable staff schedule can lead to oversupply, with workers in idle time, or a supply shortage, with a business ...