Results 41 to 50 of about 801,114 (172)
International Review of Hydrobiology, Volume 111, Issue 2, December 2026.ABSTRACT This study investigated the effects of season and environmental disturbances on fish communities in neotropical rivers of the Sorocaba basin, a Sub‐Basin of the Paraná River in Southeast Brazil, based on sampling 1196 individuals from 49 species, including two non‐native and one threatened with extinction.
Natalia S. Alves +2 more
wiley +1 more source
Neotropical IchthyologyThe aim of this work was to study the occurrence of ichthyoplankton in a region affected by water regulation by dams. The study area was located in the region of Ilha Grande National Park, upper Paraná River floodplain.
Tatiane M Gogola +6 more
doaj +1 more source
Colloquium Exactarum, 2014 This article defines the formal definition of the computer program language Numeric Regular Expression. A language concept inspired by Regular Expression syntax, applying your power and flexibility to numeric chains are describe.
Bruno Vier Hoffmeister, Marta Bez
doaj +1 more source
Compromisso social e formação pessoal no ensino de ciências exatas (re) pensando a ação docente [PDF]
, 2009 A pesquisa que fundamenta esta dissertação teve como objetivo perceber se o professor universitário está preocupado com a qualidade do seu trabalho e se tem compreensão do papel social que desempenha.
Hoss, Ligia Beatriz
core
, 2017 É com imensa satisfação que apresentamos à comunidade científica o periódico Pesquisa e Ensino em Ciências Exatas e da Natureza (PECEN). O lançamento deste periódico representa um marco importante e de grande significado para a Unidade Acadêmica de ...
Pinheiro, Carlos Davidson +5 more
core +1 more source
Revista Iberoamericana de Educación, 2012 Este trabalho tem o objetivo de fazer uma revisão da literatura científica sobre as pesquisas que abordam Contabilidade e Ciências, Matemática e Estatística.
Bernadete Limongi +4 more
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Degradação hidrolítica e fotoquímica da amoxicilina na presença de β-ciclodextrina
Eclética Química, 2018 This work has like purpose monitors the degradation of the drug amoxicillin in the presence and absence of β-cyclodextrin, through techniques spectroscopy.
Reinaldo A. Bariccatti +4 more
doaj +1 more source
Ex vitro standardization enables evaluation of phosphorus‐use strategies in Pampa biome grasses
Journal of Environmental Quality, Volume 55, Issue 5, September/October 2026.Abstract Native grasses of the Pampa biome are essential for ecosystem functioning and restoration, yet understanding of how native species respond to nutrient availability remains limited by challenges in standardizing plant material for controlled experiments.
Júlia Farias +10 more
wiley +1 more source
Referees for Volume 1(1-2) of the Pesquisa e Ensino em Ciências Exatas e da Natureza (2017)
, 2018 The Editorial Board of Pesquisa e Ensino em Ciências Exatas e da Natureza would like to thank the referees listed below for their critical review of articles submitted for Volume 1(1-2) (2017)
board, Editorial
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Scientific Reports, 2022 One concern of the Anthropocene is the effects of human activities on animal welfare, revealing the urgency to mitigate impacts of rearing environments.
Ana Carolina dos Santos Gauy +2 more
doaj +1 more source