Results 131 to 140 of about 774,390 (267)
Polymer Engineering &Science, EarlyView.Poly(hydroxybutyrate‐co‐hydroxyvalerate)/thermoplastic starch blends, produced by melt processing, showed improvements in mechanical properties and water vapor transmission barrier performance, which can help control excessive water evaporation from the soil, thus contributing to pH and moisture regulation.
Pâmela R. Oliveira +4 more
wiley +1 more source
Photochromic carbazole photoinitiators for precision visible‐light photopolymerization
Polymer International, EarlyView.New carbazole–naphthopyran derivatives were employed as visible‐light‐activated photoinitiators, enabling rapid and localized radical photopolymerization to produce well‐defined thin solid objects within minutes. Abstract Two carbazole derivatives, each incorporating a naphthopyran unit and an aromatic ketone, were synthesized and evaluated as ...
Mauro Magalhães +3 more
wiley +1 more source
O papel da educação em ciências na formação dos alunos de licenciatura em Educação Básica [PDF]
, 2014 A educação em ciências deve fazer parte do processo formativo de todos os indivíduos para que possam ser cidadão ativos e informados. Por isso, durante o seu percurso educativo na escola e no jardim de infância as crianças e os alunos têm o direito de ...
Gonçalves, Adorinda +1 more
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Journal of Polymer Science, EarlyView.Gelatin derived from porcine tissue and sericin extracted from Bombyx mori cocoons are combined to form crosslinker‐free hydrogels with tunable composition, enabling extrusion‐based 3D printing and biocompatible constructs for biomedical applications. ABSTRACT Hydrogels can be processed by 3D printing to manufacture tailor made structures, broadening ...
André S. Macedo +7 more
wiley +1 more source
Phytotherapy Research, EarlyView.ABSTRACT Psychological stress (or simply “stress”) is a major contributor to chronic disease worldwide, affecting 35% of the global population, including younger generations. Furthermore, it plays a significant role in human premature aging; hence, its detrimental effects on people's health compel us to comprehend and control the ways in which ...
Marco Duarte +3 more
wiley +1 more source
Epistemologia das ciências da educação: a emergência de uma Ciência da Educação e o papel fundamental da Filosofia da Educação [PDF]
, 1997 É preciso reconhecer que reina grande desordem na terminologia e que as interferências e confusões entre ensino, educação e pedagogia são numerosas e complexas.
Polónio, Diogo Maria de Matos
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Sustainable Development, EarlyView.ABSTRACT Chemical engineering faces an increasing imperative to integrate sustainability principles beyond traditional economic and environmental considerations. The social dimension—encompassing impacts on human well‐being, equity, community health, labor practices, and ethical governance—represents a critical yet often underdeveloped pillar within ...
José M. R. C. A. Santos
wiley +1 more source
Trabalho & Educação, 2014 Mudanças profundas nos mercados laborais têm vindo a influenciar a forma como pessoas e organizações mantêm vínculos laborais. Face a isto, emergem novas relações que se situam entre a clássica polaridade emprego-desemprego e a que o Eurofound ...
Patricia Araújo +2 more
doaj
Ensino de ciências no 1.ºCEB: uma proposta de organização curricular temática [PDF]
, 2014 A proposta de Organização Curricular das Temáticas das Ciências [OCTC] para o 1ºCEB que se pretende apresentar emergiu no contexto particular que é a Escola Ciência Viva de Vila Nova da Barquinha.
Costa, A., Rodrigues, A. V.
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Horizons and Challenges: An Overview of Strategies for Circular Economy Education in Schools
Sustainable Development, EarlyView.ABSTRACT Education is fundamental to preparing future professionals for the transition to a circular economy (CE), and it requires the development of competences from the earliest stages of schooling. Nevertheless, teachers continue to face challenges in integrating the circular economy into classroom practice. This article presents a literature review
Maiara Lais Marcon, Simone Sehnem
wiley +1 more source