Results 31 to 40 of about 6,873 (156)

Nb2CBr2 MXene Monolayer as a Novel Material: A First Principle Study

open access: yesAdvanced Theory and Simulations, Volume 9, Issue 2, February 2026.
Illustration of the monolayer cell, cell replicated in directions a and b, graph of optical absorption and thermodynamic potentials as a function of temperature. Abstract Niobium‐based MXenes show promising properties and applications, but have not yet been sufficiently investigated, especially with halogen surface terminations. This study investigates
Leonardo S. Barbosa   +4 more
wiley   +1 more source

IMPROVEMENTS OF THE DIVIDE AND SEGMENT METHOD FOR PARALLEL IMAGE SEGMENTATION

open access: yesRevista Brasileira de Cartografia, 2018
Remote Sensing is an important source of data about the dynamics of Earth's land and oceans, but retrieve information from this technique, is a challenge. Segmentation is a traditional method in remote sensing, which have a high computational cost.
Anderson Reis Soares   +2 more
doaj  

AAV‐Driven miR‐146a Promotes Neurite Outgrowth and Axonal Regeneration in Cortical Neurons

open access: yesJournal of Neurochemistry, Volume 170, Issue 2, February 2026.
In the adult central nervous system (CNS), neuronal regeneration after injury is limited, resulting in poor functional recovery. MicroRNAs (miRNAs), a class of small noncoding RNAs that control gene expression, have gained attention as potential therapeutic agents, although their contribution to CNS repair remains insufficiently understood.
V. U. S. Matos   +12 more
wiley   +1 more source

Conversor Cc-cc Elevador/Abaixador Zvzcs Pwm com Grampeamento Ativo

open access: yesEletrônica de Potência, 2012
Este artigo apresenta o conversor CC-CCbidirecional em corrente (Elevador/abaixador) com comutação suave ZVZCS (zero voltage zero current switching) e grampeamento ativo, utilizando um único interruptor auxiliar.
Rafael Luís Klein   +4 more
doaj   +1 more source

Estudo e desenvolvimento de aplicações com processamento de alto desempenho e processamento paralelo

open access: yesBrazilian Journal of Development, 2023
Por meio do desenvolvimento tecnológico a indústria de eletrônicos cada vez mais avança no quesito de desempenho computacional por meios de novos dispositivos como é o caso da GPU. Esses novos dispositivos combinados com as APIs de processamento paralelo vem proporcionando novos caminhos para a computação de alto desempenho, sendo que a capacidade de ...
Gustavo dos Santos Gomides   +2 more
openaire   +1 more source

Ab Initio Molecular Dynamics Study of Quadrupolar Spin Relaxation in an Ionic Liquid

open access: yesJournal of Computational Chemistry, Volume 47, Issue 3, 30 January 2026.
This study presents a methodology for describing the relaxation of nuclear spins (with I > 1/2), applicable to ionic liquids of a general nature. Based on ab initio molecular dynamics, we demonstrate the importance of explicit solvation in calculating the relaxation times of the quadrupolar mechanism.
Luciano N. Vidal   +2 more
wiley   +1 more source

Processamento linguístico e processamento auditivo temporal em crianças com distúrbio específico de linguagem [PDF]

open access: yesPró-Fono Revista de Atualização Científica, 2009
TEMA: diversos estudos sugerem a associação do distúrbio específico de linguagem (DEL) ao déficit no processamento auditivo. Pesquisas fornecem evidência de que a discriminação de estímulos breves estaria comprometida em crianças com DEL. Este déficit levaria a dificuldades em desenvolver habilidades fonológicas necessárias para mapear fonemas e ...
Fortunato-Tavares, Talita   +6 more
openaire   +3 more sources

Mechanistic Insights and Catalytic Efficiency of a 2,2′‐Bipyridine–Coordinated Peroxidovanadium Complex as a Haloperoxidase Biomimetic

open access: yesChemPlusChem, Volume 90, Issue 11, November 10, 2025.
A peroxidovanadium(V) complex mimics vanadium haloperoxidases for eco‐friendly halogenation of organic substrates. Density functional theory studies reveal two major reaction pathways for iodide/bromide oxidation. The catalyst offers high‐yield bromination/iodination of 8‐hydroxyquinoline (73/86%) under mild conditions (30 °C, pH 5.8), and it also ...
Lucas G. Fachini   +6 more
wiley   +1 more source

Qualidade da paisagem e perdas de solo frente à simulação de cenários ambientais no Cerrado, Brasil

open access: yesSociedade & Natureza, 2020
O presente estudo utilizou-se de fundamentos da ecologia, por meio da aplicação de algumas métricas espaciais, para verificar a atual fragmentação da paisagem na Região Metropolitana de Goiânia (RMG), com o objetivo de estabelecer áreas prioritárias para
Gabriella a Santos Arruda de Lim   +2 more
doaj   +1 more source

Functional Diversity of Neotropical Aquatic Hyphomycetes: Insights Into Environmental Drivers

open access: yesBiotropica, Volume 57, Issue 6, November 2025.
Subtropical streams host diverse hyphomycete assemblages than tropical one's. Larger saprotrophs with diverse conidia shapes dominate in subtropical areas. Cold and oxygenated waters have a positive effect on functional diversity. Poor litter in tropical favored the dominance of wood saprotrophs and endophytes.
Renan de Souza Rezende   +6 more
wiley   +1 more source

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