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120 resultados encontrados.

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Wideband Pattern Reconfigurable Printed-Yagi Antenna Array Based on Feed Structure
Artículo
Acceso abierto Artículo DOAJ
Wideband Pattern Reconfigurable Printed-Yagi Antenna Array Based on Feed Structure
Fukun Sun et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract A pattern reconfigurable antenna array with two elements is designed in this paper. The antenna element is made up of a printed Yagi and feed structure with variable phase. By changing the states of diodes in th...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Altered ABR Waveform Patterns in Tinnitus Patients With Normal Full-Frequency Hearing May Be Induced by Abnormal Middle Ear Muscle Activity Via the Trigeminal Nerve System
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Altered ABR Waveform Patterns in Tinnitus Patients With Normal Full-Frequency Hearing May Be Induced by Abnormal Middle Ear Muscle Activity Via the Trigeminal Nerve System
Yun Jiang BM et al · SAGE Publishing · 2026 · ISSN 1916-0216
Importance Evidence regarding the mechanism of tinnitus in patients with normal full-frequency hearing remains limited. This study investigated the auditory brainstem response (ABR) waveform patterns in these patients to...
LCC TENDOlN1cmdlcnk~Idioma eng
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Association of cumulative exposure and dynamic change patterns of metabolic syndrome score with cardiometabolic multimorbidity progression among middle-aged and older Chinese adults: a longitudinal analysis based on CHARLS
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Association of cumulative exposure and dynamic change patterns of metabolic syndrome score with cardiometabolic multimorbidity progression among middle-aged and older Chinese adults: a longitudinal analysis based on CHARLS
Jingjing Zhang et al · BioMed Central · 2026 · ISSN 3059-4057
Abstract Background Cardiometabolic multimorbidity (CMM) leads to adverse health outcomes. Based on data from the China Health and Retirement Longitudinal Study (CHARLS), we aimed to explore the cumulative exposure and d...
LCC LCC:Specialties of internal medicineIdioma eng
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Behaviour patterns on social media and their associations with cognitive, social and emotional skills in university students
Artículo
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Behaviour patterns on social media and their associations with cognitive, social and emotional skills in university students
Néstor Guerrero-Gutiérrez et al · BMC · 2026 · ISSN 2050-7283
Abstract Background Research on digital behaviour has largely centred on aggregated screen-time metrics, which offer limited insight into how distinct patterns of engagement within social media environments relate to psy...
LCC TENDOlBzeWNob2xvZ3k~Idioma eng
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Brachiopod genome unveils the evolution of BMP signalling in bilaterian body patterning
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Brachiopod genome unveils the evolution of BMP signalling in bilaterian body patterning
Thomas D. Lewin et al · Nature Portfolio · 2026 · ISSN 2041-1723
Abstract The molecular control and ancestral state of dorsal–ventral patterning within spiralians remain unclear due to the remarkable diversity across species. Here we present a chromosome-level genome for the brachio...
LCC TENDOlNjaWVuY2U~Idioma eng
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Clinical phenotype, MRI inflammatory involvement, and treatment patterns in HLA-B27 positive and negative axial spondyloarthritis: a Saudi MRI-based cohort study
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Clinical phenotype, MRI inflammatory involvement, and treatment patterns in HLA-B27 positive and negative axial spondyloarthritis: a Saudi MRI-based cohort study
Abdallah Alqethami et al · BMC · 2026 · ISSN 2520-1026
Abstract Background HLA-B27 is strongly associated with axial spondyloarthritis (axSpA) and influences disease phenotype, though its prevalence and clinical relevance vary by population. Magnetic resonance imaging (MRI)-...
LCC LCC:Diseases of the musculoskeletal systemIdioma eng
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Contrasting patterns of deforestation and reforestation in India’s tropical dry woodlands
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Contrasting patterns of deforestation and reforestation in India’s tropical dry woodlands
Dhanapal Govindarajulu et al · IOP Publishing · 2026 · ISSN 1748-9326
Tropical dry woodlands are key ecosystems for global biodiversity, carbon storage, and forest-based livelihoods in some of the poorest regions of the world. Many of these woodlands have been historically converted and de...
LCC TENDOkVudmlyb25tZW50YWwgdGVjaG5vbG9neS4gU2FuaXRhcnkgZW5naW5lZXJpbmc~; TENDOkVudmlyb25tZW50YWwgc2NpZW5jZXM~; TENDOlNjaWVuIdioma eng
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Degeneracy Explains Diversity in Interneuronal Regulation of Pattern Separation in Heterogeneous Dentate Gyrus Networks
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Degeneracy Explains Diversity in Interneuronal Regulation of Pattern Separation in Heterogeneous Dentate Gyrus Networks
Sarang Saini et al · American Physiological Society · 2025 · ISSN 2633-8823
Abstract Pattern separation, the ability of a network to distinguish similar inputs by transforming them into distinct outputs, was postulated by the Marr-Albus theory to be realized by divergent feedforward excitatory c...
LCC TENDOlBoeXNpb2xvZ3k~Idioma eng
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Deterministic statistical patterns preceding ice shocks revealed by ice deformation measurements
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Deterministic statistical patterns preceding ice shocks revealed by ice deformation measurements
A. E. Volvach et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract Ice shocks associated with the springtime thermal expansion of ice represent a manifestation of fracture processes in a complex nonlinear medium. In this study, we investigate temporal changes in statistical cha...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Direct electron beam patterning of electro-optically active PEDOT:PSS
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Direct electron beam patterning of electro-optically active PEDOT:PSS
Doshi Siddharth et al · Wiley · 2024 · ISSN 2192-8614
The optical and electronic tunability of the conductive polymer poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) has enabled emerging applications as diverse as bioelectronics, flexible electronics, a...
LCC TENDOlBoeXNpY3M~Idioma eng
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Dual-band complex-amplitude metasurface empowered high security cryptography with ultra-massive encodable patterns
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Dual-band complex-amplitude metasurface empowered high security cryptography with ultra-massive encodable patterns
Gu Zhen et al · Wiley · 2024 · ISSN 2192-8614
The significance of a cryptograph method lies in its ability to provide high fidelity, high security, and large capacity. The emergence of metasurface-empowered cryptography offers a promising alternative due to its unpa...
LCC TENDOlBoeXNpY3M~Idioma eng
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Dyslipidemia Prevalence and Pattern Among Patients with Newly Diagnosed Type II Diabetes Mellitus
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Dyslipidemia Prevalence and Pattern Among Patients with Newly Diagnosed Type II Diabetes Mellitus
Zamar Ali et al · Dow University of Health Sciences · 2026 · ISSN 1995-2198
Objective: To determine the prevalence and pattern of dyslipidemia among patients with newly diagnosed Type II Diabetes Mellitus (T2DM) and to evaluate its association with clinical and demographic factors. Methods: This...
LCC LCC:MedicineIdioma eng
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EEG hyperscanning reveals dynamic interbrain network patterns during interactive social decision-making
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EEG hyperscanning reveals dynamic interbrain network patterns during interactive social decision-making
Yuqin Li et al · Nature Portfolio · 2026 · ISSN 2399-3642
Abstract Social decision-making involves intricate and dynamic interactions between brains, yet prior hyperscanning research primarily concentrated on investigating the overall patterns of interbrain synchrony (IBS), lea...
LCC LCC:Biology (General)Idioma eng
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Electronic sow feeding: characterizing feeding patterns of gestating sows and their associations to reproductive performance
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Electronic sow feeding: characterizing feeding patterns of gestating sows and their associations to reproductive performance
Mario Andre S. Ornelas et al · BMC · 2026 · ISSN 2046-0481
Abstract Background There is evidence that data recorded by electronic sow feeding (ESF) systems can generate useful information to support decision-making at farms. More specifically, healthy and diseased animals exhibi...
LCC TENDOlZldGVyaW5hcnkgbWVkaWNpbmU~Idioma eng
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Five-year Contraceptive Use of 52-mg Levonorgestrel Releasing Intrauterine System in Young Women, Menstrual Patterns, and New Contraceptive Choice
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Five-year Contraceptive Use of 52-mg Levonorgestrel Releasing Intrauterine System in Young Women, Menstrual Patterns, and New Contraceptive Choice
Elaine Cristina Fontes de Oliveira et al · Federação Brasileira das Sociedades de Ginecologia e Obstetrícia · 2023 · ISSN 0100-7203
Abstract Objective To evaluate the continuation rates of the 52-mg levonorgestrel-releasing intrauterine system (LNG-IUS) during the first 5 years of use, reasons for its discontinuation, bleeding patterns, and new cont...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma eng
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Fleas of mammals and patterns of distributional congruence in northwestern Argentina: A preliminary biogeographic analysis
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Fleas of mammals and patterns of distributional congruence in northwestern Argentina: A preliminary biogeographic analysis
Lopez Berrizbeitia, Maria Fernanda et al · Elsevier · 2020 · ISSN 2405-8440
In few groups of parasites have the patterns of distribution been studied using quantitative methods, even though, the study of these organisms indirectly provides information on the biogeographic history of their hosts,...
Idioma eng
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Late Quaternary nearshore molluscan patterns from Patagonia: Windows to southern southwestern Atlantic-Southern Ocean palaeoclimate and biodiversity changes?
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Late Quaternary nearshore molluscan patterns from Patagonia: Windows to southern southwestern Atlantic-Southern Ocean palaeoclimate and biodiversity changes?
Aguirre, Marina Laura et al · Elsevier Science · 2019 · ISSN 0921-8181
Varied approaches (palaeobiodiversity, palaeobiogeography, bioerosion, geochemistry) to unique Patagonian late Quaternary molluscan assemblages in the southwestern Atlantic, with ages especially from interglacial Marine ...
Idioma eng
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Leaf and stem nutrient variation patterns and controls of Chenopodioideae plants along a desert transect in Central Asia
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Leaf and stem nutrient variation patterns and controls of Chenopodioideae plants along a desert transect in Central Asia
Qi-Wei Li et al · BMC · 2026 · ISSN 1471-2229
Abstract Chenopodioideae plants are dominant components of desert ecosystems in arid regions of China and Central Asia and play key roles in maintaining ecosystem stability, while also providing valuable systems for unde...
LCC TENDOkJvdGFueQ~~Idioma eng
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NDVI patterns as indicator of morphodynamic activity in the Middle Paraná River floodplain.
Artículo
Acceso abierto Artículo Repositorio UNSAM
NDVI patterns as indicator of morphodynamic activity in the Middle Paraná River floodplain.
Marchetti, Zuleica Yael et al · Elsevier Science Bv · 2015 · ISSN 0169-555X
This work assesses the performance of a 2000?2014 NDVI-MODIS time-series to identify areas of the Paraná River floodplain associated with different morphodynamic areas and hence ecological bEscuela de Humanidadesavior. ...
Idioma eng
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Perfil de restrição de um fragmento do gene da hemaglutinina amplificado pela RT-PCR a partir de estirpes vacinais e selvagens do vírus da cinomose canina Restriction pattern of a hemagglutinin gene amplified by RT-PCR from vaccine strains and wild-type canine distemper virus
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Perfil de restrição de um fragmento do gene da hemaglutinina amplificado pela RT-PCR a partir de estirpes vacinais e selvagens do vírus da cinomose canina Restriction pattern of a hemagglutinin gene amplified by RT-PCR from vaccine strains and wild-type canine distemper virus
F.J. Negrão et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2006 · ISSN 0102-0935
Fragmentos com 721 pares de bases do gene da hemaglutinina (H) do vírus da cinomose canina (CDV), amplificados pela RT-PCR a partir de três estirpes vacinais (Snyder Hill, Onderstepoort e Rockborn) e de 27 amostras de ...
LCC LCC:Animal cultureIdioma eng
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Prevalence and antimicrobial resistance patterns of bacterial uropathogens among pediatric patients in Muthanna Province Iraq
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Prevalence and antimicrobial resistance patterns of bacterial uropathogens among pediatric patients in Muthanna Province Iraq
Saad Muslim Hantoosh · Springer · 2026 · ISSN 3005-0774
Abstract Background Bacterial urinary tract infections (UTIs) are among the most common bacterial infections in children. The prevalence and etiological patterns of pediatric UTIs vary based on demographic and environmen...
LCC LCC:Public aspects of medicineIdioma eng
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Psicoterapia psicodinâmica breve: estratégia terapêutica e mudança no padrão de relacionamento conflituoso Brief psychodynamic therapy: therapeutic strategy and change in the conflictual relationship pattern
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Psicoterapia psicodinâmica breve: estratégia terapêutica e mudança no padrão de relacionamento conflituoso Brief psychodynamic therapy: therapeutic strategy and change in the conflictual relationship pattern
Elisa Medici Pizão Yoshida et al · Universidade de São Francisco, Programa de Pós-Graduação Stricto Sensu em Psicologia · 2009 · ISSN 1413-8271
Examinaram-se possíveis relações entre mudanças no padrão de relacionamento conflituoso de paciente, de 48 anos, submetida a psicoterapia breve psicodinâmica, e a estratégia terapêutica adotada pela terapeuta. Fo...
LCC TENDOlBzeWNob2xvZ3k~Idioma eng
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Role of ABA and Gibberellin A3 on gene expression pattern of sugar transporters and invertases in Vitis vinifera cv. Malbec during berry ripening
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Role of ABA and Gibberellin A3 on gene expression pattern of sugar transporters and invertases in Vitis vinifera cv. Malbec during berry ripening
Murcia, Mauro Germán et al · Springer · 2017 · ISSN 0167-6903
Sugars are key constituents that affect quality of grape berries, and consequently the grape metabolic profile relevant to wine?s industry. However, enzymes and transporter genes expression involved in sugar transport at...
Idioma eng
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Semantic memory navigation in HIV: Conceptual associations and word selection patterns
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Semantic memory navigation in HIV: Conceptual associations and word selection patterns
Gattei, Carolina Andrea et al · Taylor & Francis · 2024 · ISSN 1385-4046
Objective: This proof-of-concept study aimed to characterize semantic memory profiles in individuals with human immunodeficiencyvirus (HIV) and mild neurocognitive impairment. Method:Using a semantic relatedness task, we...
Idioma eng
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