Results 21 to 30 of about 1,115,245 (216)

Biodiversity and distribution of macroinfauna assemblages on sandy beaches along the Gulf of Cadiz (SW Spain)

open access: yesScientia Marina, 2015
In the current study, the macroinfauna communities inhabiting 12 sandy beaches along the Spanish coast of the Gulf of Cadiz were describe in order to characterize their unexplored biodiversity, their zonation patterns and their environmental features.
M. José Reyes-Martínez   +3 more
doaj   +1 more source

Produção e avaliação físico-mecânica de painéis de média e alta densidade com resíduos [PDF]

open access: yesAmbiente Construído, 2020
Resumo No Brasil intensificam-se os estudos visando ao aproveitamento de serragem proveniente de processos industriais para a produção de painéis de madeira com valor agregado para minimizar a exploração florestal. Neste trabalho foram estudados cinco tratamentos com misturas de partículas de madeira de marcenarias e de bagaço de cana-de-açúcar.
Bruna Bessa Rocha Yano   +1 more
openaire   +5 more sources

Free-Base Carboxyphenyl Porphyrin Films Using a TiO2 Columnar Matrix: Characterization and Application as NO2 Sensors

open access: yesSensors, 2015
The anchoring effect on free-base carboxyphenyl porphyrin films using TiO2 microstructured columns as a host matrix and its influence on NO2 sensing have been studied in this work.
Javier Roales   +6 more
doaj   +1 more source

Analog Models of Fold-and-Thrust Wedges in Progressive Arcs: A Comparison With the Gibraltar Arc External Wedge

open access: yesFrontiers in Earth Science, 2020
The timing and kinematics of the different types of structures and the associated vertical-axis rotations that permit an arcuate external wedge to acquire progressively its curved shape throughout its deformation history—known as progressive arcs—are key
Alejandro Jiménez-Bonilla   +4 more
doaj   +1 more source

Tracking the moisture transport from the Pacific towards Central and northern South America since the late 19th century [PDF]

open access: yesEarth System Dynamics, 2019
In this paper, we develop an instrumental index based on historical wind direction observations aimed to quantify the moisture transport from the tropical Pacific to Central and northern South America at a monthly scale.
D. Gallego   +5 more
doaj   +1 more source

La incidencia de la opinión social en el grado de vulnerabilidad de los edificios patrimoniales. El caso del centro histórico de Popayán (Colombia)

open access: yesGe-conservación, 2020
El patrimonio urbano y arquitectónico de muchas ciudades en Hispanoamérica es vulnerable frente a amenazas de diversa índole; la exposición a fenómenos naturales y antrópicos son muchas veces las causas de su destrucción, sin embargo ...
Isabel Turbay   +3 more
doaj   +1 more source

Monitorización hidrológica de las lagunas peridunares de los mantos eólicos de Doñana en el periodo 2020-2023

open access: yesGeogaceta
En este estudio se presenta una síntesis de los resultados de la monitorización hidrológica de 5 lagunas peridunares de la Reserva Biológica de Doñana durante el período 2020-2023.
José Luis Yanes Conde   +4 more
doaj   +1 more source

Do Active and Passive Antipredator Defences in the Toad Epidalea calamita Differ between Males and Females from Natural Habitats and Agrosystems?

open access: yesDiversity, 2021
Due to their assumed costs, simultaneous antipredator strategies are expected to face trade-offs, which, however, could be milder in individuals subjected to a more intense predator pressure.
Francisco Javier Zamora-Camacho
doaj   +1 more source

Candida antarctica lipase-catalyzed synthesis and characterization of novel acrylic teroligomers [PDF]

open access: yes, 2018
The synthesis of three novel low molecular weight acrylic terpolymers, containing at random sequences of ethyl acrylate, acrylic acid and N-(2-hydroxyethyl)acrylamide, catalyzed by Candida antarctica lipase was successfully conducted in organic media ...
Baldessari, Alicia   +4 more
core  

Un método Wavelet-Galerkin para ecuaciones diferenciales parciales parabólicas [PDF]

open access: yes, 2014
In this paper an Adaptive Wavelet-Galerkin method for the solution ofparabolic partial differential equations modeling physical problems withdifferent spatial and temporal scales is developed.
Martín, María Teresa   +1 more
core   +1 more source

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