Results 1 to 10 of about 36,110 (118)

Individual variability in space use near power lines by a long-lived territorial raptor. [PDF]

open access: yesEcol Evol, 2022
We found power lines may drive different behaviors and have differential impacts across individuals. Our results reinforce the need to understand individual variability when assessing and mitigating impacts of anthropogenic infrastructures. Abstract Evaluating species responses to anthropogenic infrastructures and other habitat changes is often used to
Marques AT   +9 more
europepmc   +2 more sources

A simple and fast method for the production and characterization of methylic and ethylic biodiesels from tucum oil via an alkaline route. [PDF]

open access: yesJ Biomed Biotechnol, 2011
A simple, fast, and complete route for the production of methylic and ethylic biodiesel from tucum oil is described. Aliquots of the oil obtained directly from pressed tucum (pulp and almonds) were treated with potassium methoxide or ethoxide at 40°C for 40 min. The biodiesel form was removed from the reactor and washed with 0.1 M HCl aqueous solution.
de Oliveira MF   +5 more
europepmc   +2 more sources

Asymmetrical ZVS-PWM Half-Bridge-Type Switched-Capacitor DC-DC Converter Isolated with Peak Voltage Equal to Vin/2 Switch

open access: yesEletrônica de Potência, 2021
This paper presents a new power converter topology generated by the integration of the asymmetrical ZVS-PWM dc-dc converter with a switched-capacitor ladder-type commutation cell.
Angélica Paula Caús, Ivo Barbi
doaj   +1 more source

The impact of ESG news on the volatility of the Portuguese stock market—Does it change during recessions?

open access: yesBusiness Strategy and the Environment, Volume 32, Issue 8, Page 5821-5832, December 2023., 2023
Abstract This paper assesses how environmental, social, and governance (ESG) news influence Portuguese stock market volatility depending on the business cycle. Given the lack of an adequate index to capture the effects of ESG media on the Portuguese stock market, a News Sentiment Index is developed.
Cássio Zanatto   +3 more
wiley   +1 more source

THE SUBSTITUTE AND THE EXCUSE: Growing Sustainability, Growing Sugarcane in São Paulo, Brazil

open access: yesCultural Anthropology, Volume 38, Issue 4, Page 439-466, November 2023., 2023
ABSTRACT Amid climate change and produced unevenness in geopolitical development, the question of how sustainability and growth might be brought together is a concern for many scientists of renewable energy in the Global South. This article explores answers offered by scientists in São Paulo, Brazil, who make renewable fuels and materials from ...
KATIE ULRICH
wiley   +1 more source

AMAZONIA CAMTRAP: A data set of mammal, bird, and reptile species recorded with camera traps in the Amazon forest

open access: yesEcology, Volume 103, Issue 9, September 2022., 2022
Abstract The Amazon forest has the highest biodiversity on Earth. However, information on Amazonian vertebrate diversity is still deficient and scattered across the published, peer‐reviewed, and gray literature and in unpublished raw data. Camera traps are an effective non‐invasive method of surveying vertebrates, applicable to different scales of time
Ana Carolina Antunes   +158 more
wiley   +1 more source

ANÁLISE DA CONCENTRAÇÃO ENERGÉTICA BRASILEIRA DAS INDÚSTRIAS DE CAL E GESSO, VIDREIRO E NÃO ENERGO-INTENSIVOS

open access: yesRevista UniVap, 2020
A Empresa de Pesquisa Energética (EPE) constitui o segmento de “Outras Indústrias” na matriz energética brasileira com os setores de cal e gesso, vidreiro e não energo-intensivos.
Luiz Moreira Coelho Junior   +2 more
doaj   +1 more source

CURRENT SITUATION AND PROSPECTS OF PRODUCTION AND RESERVES OF PERMANENT MAGNETS OF RARE EARTHS: BRAZIL × WORLD [PDF]

open access: yesTecnologia em Metalurgia, Materiais e Mineração, 2012
Generating energy from renewable sources is not an easy task since it requires different types of technologies, which can add much cost to the system. For this reason, investment in research in this area can be an alternative for economic feasibility ...
Franciele Weschenfelder   +5 more
doaj   +1 more source

Patentes em Energias Renováveis: Un estudo exploratório a partir de indicadores para países selecionados

open access: yesEstudios Económicos, 2022
Este artigo quantifica e analisa os esforços tecnológicos, os perfis de especialização e os movimentos tecnológicos em energias renováveis dos vinte principais países consumidores de energia no período de 1992 a 2018.
Dienifer Regina Fortes Storti   +1 more
doaj   +1 more source

As características do biogás e avaliação de substituição de combustíveis

open access: yesExacta, 2020
A evolução das tecnologias e da legislação Brasileira em relação as energias renováveis, em especial solar e biogás, favoreceu o aumento no número de projetos e potência instalada nos últimos 5 anos.
João Carlos Christmann Zank   +3 more
doaj   +1 more source

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