Results 61 to 70 of about 8,824,973 (236)

Evaluation of mechanical properties of matrices derived from fish scale collagen

open access: yesRevista Colombiana de Investigaciones Agroindustriales, 2022
La elaboración de materiales biodegradables surge como alternativa para disminuir la contaminación causada por los desechos plásticos al medio ambiente, con esta premisa, se propuso este estudio comprendido en el desarrollo de biopolímeros plásticos, a ...
Juan Manuel Sánchez-Soto   +3 more
doaj   +1 more source

desarrollo de un módulo para un laboratorio de física controlado de manera remota [PDF]

open access: yes, 2014
El presente informe documenta el diseño y la construcción de un módulo de física, en este caso el modelo experimental del fenómeno de difracción de la luz, que se desarrolla de forma remota y puede ser utilizado para realizar éste experimento desde ...
Giraldo Sánchez, Martha Liliana   +1 more
core  

Octupole deformation properties of actinide isotopes within a mean field approach

open access: yes, 2012
We discuss the octupole deformation properties of many even-even actinide isotopes. The analysis is carried out in the mean field framework (Hartree-Fock-Bogoliubov approximation) by using the axially symmetric octupole moment as a constraint.
Robledo, L. M., Rodriguez-Guzman, R. R.
core   +1 more source

Charge State Influence on Stability and Isomerism in Dehydrogenated PAHs: Insights from Anthracene, Acridine, and Phenazine

open access: yesChemPhysChem, Volume 26, Issue 6, March 15, 2025.
The ionization of anthracene, acridine, and phenazine has been explored, along with the removal of one and two hydrogen atoms, to provide valuable information for astrochemists and to understand the behavior of the resulting structures and their electronic reorganization. Abstract In this study, we systematically explored the stability and isomerism of
Khaldia Zghida   +3 more
wiley   +1 more source

COMPORTAMENTO DE VIGAS RETAS EM MLC COM EMENDAS DE TOPO E BISEL - PARTE I [PDF]

open access: yesFloresta e Ambiente, 2023
RESUMO oram construídas e testadas oito vigas com madeira de pinus, divididas em dois grupos sendo o primeiro grupo com emendas em bisel em todas as laminas e o segundo com bisel nas laminas tracionadas, e topo nas laminas comprimidas.
Alexandre Miguel do Nascimento   +2 more
doaj  

Scalable Reverse Converters for the Moduli Set {2n+1−1,2n−1,2n−1−1}$$ \left\{{2}^{n+1}-1,{2}^n-1,{2}^{n-1}-1\right\} $$ (n$$ n $$ Even)

open access: yesInternational Journal of Circuit Theory and Applications, EarlyView.
This work explores the conversion from residues to binary representation in RNS using the Chinese remainder theorem (CRT) or mixed radix conversion (MRC) algorithms. The proposed approach relocates CRT multiplicative inverses to the arithmetic stage without extra cost, improving scalability while achieving speedups over state‐of‐the‐art MRC ...
Gabriel B. M. Fernandes   +2 more
wiley   +1 more source

Evaluación del módulo de elasticidad de materiales estéticos para la restauración de lesiones cervicales

open access: yesRevista Cubana de Estomatología, 2012
La pérdida de tejido en la zona cervical ha sido atribuida principalmente a la erosión y abrasión producidas por el cepillo de dientes. El rol de las fuerzas oclusales es un factor muy importante a tener en cuenta en el desarrollo y avance de estas ...
Claudia Estela Bonnin   +1 more
doaj  

Comportamento bioclimático de frangos de corte caipira em piquetes enriquecidos Bioclimatic behavior of free-range rustic broilers in enriched paddocks

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2010
Conduziu-se esta pesquisa com o objetivo de avaliar o efeito do enriquecimento ambiental em sistema de produção para frangos de corte caipira, determinando a influência dos elementos meteorológicos e seu reflexo nos aspectos comportamentais das aves.
Marcos J. B. dos Santos   +5 more
doaj   +1 more source

Transient Charging Dynamics in Stacked Ga2O3/ZnO Photovoltaic Units Governing Wavelength‐Selective Polarity Switching

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work reveals a “Photovoltaic‐Capacitance” coupling mechanism in stacked Ga2O3/ZnO devices, defining the ZnO/graphene interface as a novel Photovoltaic Dynamic‐Capacitor (PDC). The wavelength‐selective bipolar response enables a physical layer secure communication protocol based on ternary optical logic (“1,” “0,” “−1”).
Songqi Zhao   +6 more
wiley   +1 more source

Arquitectura sustentable, desarrollo experimental de un módulo habitacional con consumo de energía “0”

open access: yesArquitecno, 2017
En la actualidad son visibles las consecuencias derivadas del cambio climático dentro de lo que podemos citar, disminución o pérdida de glaciares, aumento paulatino de la temperatura promedio a nivel regional y mundial, transformaciones en los regímenes ...
Alberto Maidana, Griselda Armelini
doaj   +1 more source

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