Results 61 to 70 of about 2,160,268 (357)

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

Información superflua de orixe pragmática na definición lexicográfica das locucións verbais [PDF]

open access: yesCadernos de Fraseoloxía Galega, 2011
Este traballo ten como obxectivo mostrar que as definicións lexicográficas dalgunhas locucións verbais do español, do catalán e do portugués inclúen informacións de natureza circunstancial que non se corresponden con todos os usos dunha locución e que ...
Inmaculada Penadés Martínez
doaj  

Interconnected Porous Hydrogels with Tunable Anisotropy Through Aqueous Emulsion Bioprinting

open access: yesAdvanced Functional Materials, EarlyView.
A 3D bioprintable microporous bioink is developed using an aqueous two‐phase system (ATPS) composed of extracellular matrix (ECM) mimetic biopolymers. The ATPS bioink enables the fabrication of interconnected porous architectures with up to 70% porosity, supporting long‐term cell viability and 3D cell alignment, enabling a simultaneous generation of ...
Hugo Edgar‐Vilar   +4 more
wiley   +1 more source

Some Observations on the Perception of Muslims in 16th Century Portuguese Chronicles

open access: yesİslam Tetkikleri Dergisi
The sixteenth-century Portuguese chronicles, while narrating the Age of Discoveries in an epic tone, are also notable for their hate speech against Muslims and Islam.
Hava Önalan
doaj   +1 more source

Behaviour of traditional Portuguese timber roof structures [PDF]

open access: yes, 2006
The aim of this paper is to present the results of a structural analysis of common trusses traditionally used in roof construction in Portugal. The study includes the results of a preliminary survey intending to assess the geometry, materials and on site
Branco, J.   +3 more
core   +1 more source

A Novel Microfluidic System for 3D Epidermis and Full‐Thickness Skin Growth for Nanoparticle Safety Assessment

open access: yesAdvanced Healthcare Materials, EarlyView.
This work presents a novel, dynamically perfused, configurable microfluidic system for epidermis‐only (E and full‐thickness skin (FT SoC) growth, emulating human skin structure and barrier function. Upon TiO2 nanoparticle exposure, the system reveals compromised barrier integrity, reduced metabolic activity, increased permeability, and chemokine‐driven
Samantha Costa   +7 more
wiley   +1 more source

A filiação dos pronomes pessoais do crioulo da ilha de Santiago (Cabo Verde)

open access: yesJournal of Ibero-Romance Creoles, 2012
This article proposes a diachronic reconstruction of the personal pronoun system of the Capeverdean Creole variety spoken on the island of Santiago, based on what we know about the personal pronouns of late medieval Portuguese and the pronouns which ...
Jürgen Lang
doaj  

New Proposals on Portuguese Vegetation (II) [PDF]

open access: yes, 2010
As a consequence of the geobotanical studies that have been developed in west and southern areas of the Iberian Peninsula, four new phytosociological associations are proposed, integrated in the perennial mesophytic grasslands of Stipo giganteae ...
Meireles, Catarina   +2 more
core  

Impairment losses: causes and impacts [PDF]

open access: yes, 2016
Purpose - To analyze recognition of impairment losses in tangible and intangible assets, and their relevance to investors in companies listed in the Lisbon and Madrid Stock Exchange (2007-2011).Methodology - Quantitative analysis of a panel data sample ...
Fernandes, Joaquim Santana   +3 more
core   +3 more sources

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