Results 31 to 40 of about 908,038 (294)

Elaboração e implementação de planos de contingência em sistemas de abastecimento de água [PDF]

open access: yes, 2006
A garantia da qualidade da água para consumo humano está cada vez mais associada à incorporação de metodologias de avaliação e gestão de riscos, bem como a práticas de boa operação dos sistemas de abastecimento público de água.
Morais, Carla   +3 more
core  

Broadband, Flexible, Skin‐Compatible Carbon Dots/Graphene Photodetectors for Wearable Applications

open access: yesAdvanced Functional Materials, EarlyView.
Broadband, flexible photodetectors integrating nitrogen‐rich carbon dots with single‐layer graphene on plastic substrates are demonstrated. A biocompatible chitosan–glycerol electrolyte enables efficient low‐voltage gating and on‐skin operation. The devices exhibit ultraviolet‐to‐near‐infrared response, mechanical robustness under bending, and verified
Nouha Loudhaief   +20 more
wiley   +1 more source

Considerações sobre o ordenamento do território [PDF]

open access: yes, 1997
O ordenamento do território é, fundamentalmente, a gestão da interacção homem/espaço natural. Consiste no planeamento das ocupações, no potenciar do aproveitamento das infra-estruturas existentes e no assegurar da preservação de recursos limitados.
Lopes, Hugo Manuel Soares
core  

Frank Lloyd Wright. Earthwork for a symbiotic landscape [PDF]

open access: yes, 2019
En los años veinte Wright tiene que trabajar en las laderas de California con nuevas estrategias proyectivas, sus casas ya no pueden ser horizontales y tienen que adaptarse a la pendiente.
Jové Sandoval, José María
core   +2 more sources

Mimicking Block Copolymer Self‐Assembly with One‐Pot Synthesized Polyphosphoester Gradient Copolymers

open access: yesAdvanced Functional Materials, EarlyView.
Degradable Polyphosphoester (PPE) gradient copolymers (GCPs) are synthesized via one‐pot copolymerization. We show that GCPs self‐assemble into nanostructures like polymersomes, effectively mimicking the behavior of traditional BCPs. The gradient strength is key, with softer gradients favoring micelles.
Suna Azhdari   +7 more
wiley   +1 more source

Juventudes e Marcadores Sociais da Diferença nos Planos Estaduais de Juventude do Brasil

open access: yesIberoamericana. América Latina - España - Portugal, 2023
A presente pesquisa analisa como as juventudes são compreendidas por documentos que orientam as políticas públicas para os jovens. A pesquisa qualitativa utilizou como técnica a análise documental de Planos Estaduais para as Juventudes das 27 regiões ...
Rogério de Oliveira Araújo   +1 more
doaj   +1 more source

Two new Lejeuneaceae records for the Colombian liverwort flora [PDF]

open access: yes, 2004
Two epiphyllous Lejeuneaceae, Cololejeunea surinamensis and Drepanolejeunea polyrhiza, previously known from Amazonian Brazil, are recorded for the first time in Colombia.
Benavides, Juan C.
core  

Laser Engineering of HfN‐Based Nanoparticles for Safe NIR‐I Photothermal and X‐ray Enhancing Cancer Therapies

open access: yesAdvanced Functional Materials, EarlyView.
In this study, we produced HfN‐based nanoparticles via femtosecond laser ablation in acetone. The nanoparticles exhibit a red‐shifted plasmonic resonance in the NIR‐I window, colloidal stability after coating with polyethyleneglycol, and excellent biocompatibility. The photothermal and X‐ray sensitization therapeutic effects were demonstrated for tumor
Julia S. Babkova   +15 more
wiley   +1 more source

Aprender a investigar [PDF]

open access: yes, 2006
No ano lectivo 2000/01, foram criados os primeiros planos curriculares a serem disponibilizados na UniPiaget. Referimo-nos às licenciatura bietápicas (3 anos para o Bacharelato mais dois anos para o grau de Licenciatura) em (i) Ciências da Educação e ...

core  

Peptomer Linkers Enable Kinetic Control over Co‐Delivery of Multiple Chemotherapeutics

open access: yesAdvanced Healthcare Materials, EarlyView.
A key challenge in combinatorial chemotherapeutic drug delivery is independent control over release kinetics, especially with drugs of similar size and structure. Here, peptoid substitutions to proteolytically degradable peptides enabled the design of fast and slow‐releasing drug linkers.
Carolyn M. Watkins   +3 more
wiley   +1 more source

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