Results 111 to 120 of about 1,353,697 (268)

Briófitos ripícolas de ecossistemas aquáticos da Ilha da Madeira:biodiversidade, bioindicação e conservação [PDF]

open access: yes, 2009
Tese de doutoramento, Biologia (Ecologia), Universidade de Lisboa, Faculdade de Ciências, 2010Disponível no documentoFundação para a Ciência e Tecnologia (SFRH/BD/12444/2003), III Quadro Comunitário de Apoio através do Programa Operacional CIência e ...
Tomás, Leena Margarida Xavier Luís, 1979-
core  

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

Multifunctional Protein Eutectogels Based on Polyphenolic: Zwitterionic Low‐Transition‐Temperature Mixtures

open access: yesAdvanced Functional Materials, EarlyView.
This work presents the first example of multifunctional protein eutectogels based on a tannic acid: betaine low‐transition‐temperature mixture, exhibiting elastomeric behavior, strong adhesion to various substrates, including biological tissues, and notable anti‐inflammatory properties derived from the natural polyphenol and zwitterion.
Sergio Martin‐Saldaña   +8 more
wiley   +1 more source

Ainda a Controvérsia sobre a Natureza da Ciência da Religião

open access: diamond, 2018
Eduardo R. Cruz   +2 more
openalex   +2 more sources

Multifunctional, Flexible and Interactive PVDF Fibers with Tunable Conductivity via CNT Coatings for Sensing and Smart Textile Applications

open access: yesAdvanced Functional Materials, EarlyView.
A two‐step fabrication strategy combines electrospinning with electrophoretic deposition of carbon nanotubes to produce conductive, porous PVDF fiber mats. These flexible composites serve as multifunctional sensors, capable of detecting pressure, motion, respiration, and temperature.
Michał Kopacz   +7 more
wiley   +1 more source

Ligações perigosas: ciência e activismo político [PDF]

open access: yes, 2002
Na luta pelo monopólio da definição legítima da realidade, a ciência, sistema fundamental de legitimação e redefinição da ordem social, constitui um foco particular de interesse e investimento por parte de diversos agentes sociais. Este artigo representa
Brandão, Ana Maria
core  

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