Results 21 to 30 of about 635,628 (213)

Expressão de Conceitos e Significados Bioquímicos à Luz da Gramática de Design Visual

open access: yesRevista Brasileira de Pesquisa em Educação em Ciências, 2019
O presente trabalho teve como objetivo investigar o processo de construção de conceitos e significados biológicos em bioquímica por licenciandos em Ciências Biológicas da Universidade Federal Rural de Pernambuco (UFRPE) através de Esquema Conceitual em ...
Raíza Nayara de Melo Silva   +1 more
doaj   +1 more source

The Experimentation by the undergraduates in Chemistry: relations with the formative context

open access: yesInvestigações em Ensino de Ciências, 2020
This paper presents a study with undergraduates of two chemistry courses, the Chemistry course A, and the Chemistry undergraduate course B. The study aims to investigate the Social Representations (SR) of these two groups about "experimentation" and to ...
Caian Cremasco Receputi   +3 more
doaj   +1 more source

Perspectives of organizational identity in a health higher education institution: a mixed-method analysis

open access: yesBMC Medical Education, 2021
Background Among the processes to be experienced by any organization during its establishment is the formation of an organizational identity. This process can be understood as the activity and event through which an organization becomes unique in the ...
Ubirajara José Picanço de Miranda Junior   +6 more
doaj   +1 more source

Teacher actions in dialogic Chemistry lecture classes in High School

open access: yesInvestigações em Ensino de Ciências, 2021
In this article, a study of teacher actions in Chemistry classes in High School is presented. The objective of the research was to identify and describe the teacher actions, seeking to answer the following research questions: What do teachers actually do
Larissa Caroline da Silva Borges   +2 more
doaj   +1 more source

Dual Lipase Immobilization on Kaolin‐Based Support for High Catalytic Efficiency and Long‐Term Stability

open access: yesChemCatChem, EarlyView.
This study presents the co‐immobilization of CALB and Eversa lipases on functionalized kaolin, followed by process optimization using the Taguchi method. The graphical abstract illustrates the immobilization strategy, optimization workflow, and computational analysis describing enzyme–support interactions, highlighting how structural and energetic ...
Antônio Luthierre Gama Cavalcante   +9 more
wiley   +1 more source

Educação em Ciências: Novas Orientações [PDF]

open access: yes, 2000
Ao pretender apresentar uma panorâmica sobre as tendências actuais no ensino das ciências, forçoso se torna fazer alguma referência acerca do que tem sido o ensino das ciências nas últimas décadas e do seu efeito na aprendizagem dos alunos.
Costa, José António Marques
core  

Study of Uncatalyzed and Micellar‐Catalyzed Oxidative Degradation of Amoxicillin by Colloidal MnO2: Experimental Optimization and Mechanistic Aspects

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
The absorption spectra of amoxicillin degradation by colloidal MnO2 in the presence and absence of surfactants. Herein, the oxidative degradation of amoxicillin (AMX) by water‐soluble colloidal MnO2 is investigated spectrophotometrically at 298 K in both uncatalyzed and nonionic micellar‐catalyzed media (Triton X‐100 and Brij‐35).
Neelam Sen   +4 more
wiley   +1 more source

A metodologia de ensino com analogias (meca) aplicada ao ensino de evolução: a árvore da vida de Charles Darwin [PDF]

open access: yes, 2013
Analogias são muito usadas no ensino de Ciências sem metodologia adequada, provocando equívocos de assimilação. Buscamos contribuir para o ensino de Ciências verificando, por meio da Metodologia de Ensino Com Analogias – MECA –, que relações estudantes ...
Ferry, A.S, Marcelos, M.
core   +2 more sources

Análise das habilidades específicas da Base Nacional Comum Curricular brasileira a partir da perspectiva Ciência, Tecnologia e Sociedade

open access: yesIndagatio Didactica
A presente investigação analisa as competências e habilidades específicas das Ciências da Natureza, no contexto do ensino médio, tal como apresentada na BNCC, sob o prisma da perspectiva CTS.
Selton Jordan Vital Batista   +1 more
doaj   +1 more source

Optimizing germination and cultivation of edible halophytes using effluents from an IMTA system

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Halophytes offer nature‐based solutions to food insecurity and soil degradation, while their integration into integrated multi‐trophic aquaculture (IMTA) systems promotes circular economy practices. This study aimed to optimize the germination and cultivation of edible halophytic species, namely Limbarda crithmoides, Suaeda vera and
Viana Castañeda‐Loaiza   +5 more
wiley   +1 more source

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