1. TECHNICAL AND ECONOMIC FEASIBILITY OF USING A VARIABLE-FREQUENCY DRIVE IN MICRO-IRRIGATION SYSTEMS

ABSTRACT Irrigation is essential for the development of crops in regions with scarcity or irregular rainfall distribution, enabling high productivity. However, the use of water resources and electrical energy leads to a concern with irrigation efficiency. Pressure demand varies during the operations of irrigation systems and the appropriate pressure can be r

Eng. Agríc.. Publicado em: 2021-02

2. Technological innovation in Córrego do Sítio Mineração - A study of technical and economic aspects by using sensor-based sorting for refractory gold ore

Abstract The mining sector has a fundamental financial and economical role in the country where it practices these activities. In addition to employment creation and social-cultural development, the mining sector brings economic growth to the country. However, the sector is facing challenges due to COVID-19, incidents involving tailings dam facilities, risin

REM, Int. Eng. J.. Publicado em: 2021-01

3. USE OF INOCULUM IN BIODIGESTERS WITH CATTLE MANURE UNDER CONVENTIONAL AND ORGANIC PRODUCTION SYSTEMS

ABSTRACT One way of making livestock farming a more sustainable practice is to raise cattle organically. However, regardless of the production system, there is a generation of residues that can be converted into energy resources using biodigesters. This study aimed to evaluate the addition of inoculum in the anaerobic biodigestion of cattle manure under orga

Eng. Agríc.. Publicado em: 2020-04

4. Proposal process management at the plant operation applied to the generating unit shutdown process of Itaipu Binacional

Resumo A Gestão de Processos é um modelo que possibilita a gestão funcional dos processos internos, transversais ou não, de uma organização. Possibilita o controle adequado dos recursos, mapeamento das funções e atividades, e tem por fim a melhoria dos resultados com sustentabilidade. Alinhada a tais objetivos, à Área de Operação da Usina Itaipu

Gest. Prod.. Publicado em: 20/01/2020

5. Psicologia Ambiental e Recursos em Sustentabilidade: Revisão Integrativa

Resumo O objetivo deste estudo foi examinar, por meio de revisão integrativa de artigos empíricos, a produção científica relacionando a Psicologia Ambiental (variáveis de comportamento/cognição) e sustentabilidade, considerando diferentes recursos. Para efeitos deste estudo, foram analisados os artigos que abordam um recurso único. A busca foi reali

Psicol. cienc. prof.. Publicado em: 20/12/2019

6. Land-use influence on the soil hydrology: An approach in upper Grande River basin, Southeast Brazil

RESUMO A Bacia do Alto Grande (ARG) é responsável pela drenagem de vários rios no sudeste do Brasil, sendo uma região hidrológica de grande importância para o Sistema Elétrico Brasileiro. Portanto, estudos sobre a disponibilidade de água nesta região são indispensáveis para uma melhor tomada de decisão na gestão dos recursos hídricos. O objetiv

Ciênc. agrotec.. Publicado em: 09/12/2019

7. Integrated project of a smart microgrid allied with energy management: An initiative to reduce electrical energy costs

Abstract Electricity is undoubtedly one of the most important resources in the modern world. As the demand for electric energy increases, conventional resources that are transformed into electric energy are being exhausted, generating a need to search for alternative sources, resulting in a significant increase in energy costs. This study presents an integra

Braz. arch. biol. technol.. Publicado em: 25/11/2019

8. Analysis of solar photovoltaic energy potential in Brazilian hydroelectric reservoirs through floating panels

Abstract Sustainability, a concept used to exploit natural resources without harming future generations, is being applied to power generation. In Brazil, the main source of electric energy comes from hydroelectric plants, due to abundant water resources. However, the implementation of these plants causes irreversible impacts on the environment and society.

Braz. arch. biol. technol.. Publicado em: 25/11/2019

9. Development of a Standard of Solarimetric Stations SONDA

Abstract With the increasing of energy demand in Brazil and the unprecedent popular support for the use of energy sources with low environmental impact, the market for photovoltaic energy has become progressively relevant. Thus, it is of strategic importance to gather information of the solar resources either for a particular location or a specific region.

Braz. arch. biol. technol.. Publicado em: 25/11/2019

10. Technical and economic viability of the installation of a hybrid solar-wind generation system in a Brazilian industry

Abstract The demand for electricity is growing worldwide. At the same time, the non-renewable natural resources that account for a large proportion of the global energy matrix are rapidly depleting, which will pose a major challenge in the near future. Therefore, micro-grid models that use renewable energy sources, such as solar and wind, are rapidly develo

Braz. arch. biol. technol.. Publicado em: 25/11/2019

11. Adaptações do cérebro durante uma tarefa de longa duração: Um estudo de Potencial Relacionado a Evento.

Resumo O objetivo deste estudo é investigar o efeito da demanda cognitiva prolongada na modulação do Potencial Relacionado a Evento (ERP) em um paradigma de controle inibitório. Os dados foram coletados em 19 voluntários destros, com a média de idade de 21,21 (±1,77) anos, que realizaram o paradigma do Go/NoGo durante 50 minutos, com gravação sincro

Psic.: Teor. e Pesq.. Publicado em: 28/10/2019

12. Materials from renewable resources: new properties and functions

Abstract: Sustainable production requires increasing use of raw materials from renewable sources, processed under mild conditions with minimal effluent production. These requirements are satisfied by using materials derived from biomass, in synergy with food and energy production. The possibilities of biomass are continuously enlarged by new findings, as in

An. Acad. Bras. Ciênc.. Publicado em: 21/10/2019