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106 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
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Association of abnormal echocardiographic diastolic parameters and postoperative major adverse cardiac events and mortality in patients undergoing hip fracture surgery: a retrospective cohort study
Artículo
Material complementario disponible Artículo DOAJ
Rahul Mehta et al · BMC · 2026 · ISSN 2047-0525
Abstract Background Perioperative diastolic dysfunction has been proposed as an independent predictor of postoperative major adverse cardiac events (MACE) after noncardiac surgery. However, prior studies have largely foc...
LCC TENDOlN1cmdlcnk~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Autonomic modulation during a cognitive task using a wearable device
Texto / recurso
Acceso abierto Texto / recurso RI ITBA
Bonomini, Maria Paula et al · RI ITBA · 2019 · ISSN 0302-9743
"Heart-brain interaction is by nature bidirectional, and then, it is sensible to expect the heart, via the autonomic nervous system (ANS), to induce changes in the brain. Respiration can originate differentiated ANS stat...
Idioma en
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Open Access
Backseat driver architecture to passively follow sperm whales by their voices with an autonomous underwater glider
Artículo
Acceso abierto Artículo DOAJ
Roee Diamant et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract Passive acoustic monitoring (PAM) of marine mammals is essential for biodiversity monitoring and communication studies. Tracking animals in situ further enables behavioral investigation. Monitoring from boats, t...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Open Access
Biomimetics in Helmet Design: A Review of Aerodynamic Perspectives
Artículo
Acceso abierto Artículo DOAJ
Mahadi Hasan Masud et al · Wiley · 2026 · ISSN 2314-4912
Recent advancements in helmet design demonstrate that mimicking natural models can enhance both aerodynamics and safety protection. Thus, this paper comprehensively reviews the bio-inspired helmet designs reported in the...
LCC LCC:Engineering (General). Civil engineering (General)Idioma eng
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Open Access
Carbon nanotube dispersant exchange strategy: a new opportunity for solution-based purification methods
Artículo
Acceso abierto Artículo DOAJ
Qingyuan Li et al · Springer Nature Singapore · 2026 · ISSN 2097-616X
Abstract In the post-Moore era, single-walled carbon nanotubes (SWCNTs) have emerged as promising candidates for next-generation semiconductor materials due to their unique optoelectronic properties. Achieving high-purit...
LCC TENDOkVsZWN0cmljIGFwcGFyYXR1cyBhbmQgbWF0ZXJpYWxzLiBFbGVjdHJpYyBjaXJjdWl0cy4gRWxlY3RyaWMgbmV0d29ya3M~Idioma eng
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Open Access
Carrier transfer in quasi-2D perovskite/MoS2 monolayer heterostructure
Artículo
Acceso abierto Artículo DOAJ
Qin Chaochao et al · Wiley · 2023 · ISSN 2192-8614
Two-dimensional layered semiconductors have attracted intense interest in recent years. The van der Waals coupling between the layers tolerates stacking various materials and establishing heterostructures with new charac...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Characteristics and stability of soliton crystals in optical fibres for the purpose of optical frequency comb generation
Artículo
Material complementario disponible Artículo RI ITBA
Zajnulina, Marina et al · RI ITBA · 2019 · ISSN 0030-4018
"We study the properties of a soliton crystal, a bound state of several optical pulses that propagate with a fixed temporal separation through the optical fibres of the proposed approach for generation of optical frequen...
Idioma en
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Detection of maple toxins in mare's milk
Artículo
Material complementario disponible Artículo DOAJ
Johannes Sander et al · Oxford University Press · 2021 · ISSN 0891-6640
Abstract Background Plants from the Sapindaceae family that are consumed by horses (maple) and humans (ackee and litchi) are known to contain the toxins hypoglycin A and methylenecyclopropylglycine which cause seasonally...
LCC TENDOlZldGVyaW5hcnkgbWVkaWNpbmU~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Effect of magnetic field on the steady nanofluid flow past obstacle
Artículo
Acceso abierto Artículo DOAJ
Yacine Khelili et al · Vasyl Stefanyk Carpathian National University · 2021 · ISSN 1729-4428
The fluid flow and heat transfer of a nanofluid past a circular cylinder in a rectangular duct under a strong transverse magnetic field is studied numerically using a quasitwo-dimensional model. Transition from laminar f...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Effect of microwave on some electrical properties of wet bones
Artículo
Acceso abierto Artículo DOAJ
Ayman Alhashmee et al · University of Mosul, College of Education for Pure Science · 2009 · ISSN 1812-125X
Abstract: In this research we have to study the effect of microwave radiation on some electrical properties of the wet bone, it is included to measure the electrical current and potential in bones before and after exposu...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Electrospun cellulose acetate/zeolite fibrous mats: Physicochemical characterization and influence of zeolite type on mat structure, CO2 adsorption, and H2 permeability
Artículo
Acceso abierto Artículo DOAJ
Yarledis Hurtado-Henao et al · Budapest University of Technology and Economics · 2026 · ISSN 1788-618X
The increasing release of greenhouse gases (GHGs), particularly CO2, continues to drive global warming and highlights the need for effective mitigation technologies. In this study, porous nanostructured cellulose acetate...
LCC LCC:Materials of engineering and construction. Mechanics of materials; TENDOkNoZW1pY2FsIHRlY2hub2xvZ3k~Idioma eng
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Open Access
Enhancing STED microscopy via fluorescence lifetime unmixing and filtering in two-species SPLIT-STED
Artículo
Acceso abierto Artículo DOAJ
Deschênes Andréanne et al · De Gruyter · 2025 · ISSN 2942-3899
Simultaneous super-resolution imaging of multiple fluorophores remains a major challenge in STimulated Emission Depletion (STED) microscopy due to spectral overlap of STED-compatible fluorophores. The combination of STED...
LCC TENDOk1pY3Jvc2NvcHk~Idioma eng
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Open Access
Estimation of fatty components and study the composition of fatty acids in serum for fatty liver disease patients
Artículo
Material complementario disponible Artículo DOAJ
Mohammed Jasim · University of Mosul, College of Education for Pure Science · 2009 · ISSN 1812-125X
ِAbstract The study was designed to estimate the effect of fatty liver disease on the level of some biochemical parameters, percentage of fatty acids in serum lipids. the study includes (25) fatty liver patients as veri...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Experimental study on flocculation-accelerated deposition of dredger fill
Artículo
Acceso abierto Artículo DOAJ
ZHENG Ai-rong 1, 2, 3, ZHU Hong-man 1, 2, 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
After hydraulic reclamation of the dredger fill, the mud needs some time to deposit. The reinforcement treatment cannot be carried out until the sludge-water separation is completed and the separated water is drained. Th...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Open Access
Feature-enhanced X-ray imaging using fused neural network strategy with designable metasurface
Artículo
Acceso abierto Artículo DOAJ
Shi Hao et al · Wiley · 2023 · ISSN 2192-8614
Scintillation-based X-ray imaging can provide convenient visual observation of absorption contrast by standard digital cameras, which is critical in a variety of science and engineering disciplines. More efficient scinti...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
H2 purity control of high-pressure alkaline electrolyzers
Texto / recurso
Acceso abierto Texto / recurso RI ITBA
David, Martín Rafael et al · RI ITBA · 2022 · ISSN 2405-8963
"This paper proposes a control strategy that mitigates the cross contamination of H2 and O2 in a high-pressure alkaline electrolyzer, which consequently increases the supplied gases purity. In order to reduce the diffusi...
Idioma en
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Open Access
IMPACT OF BOARD SIZE AND OWNERSHIP CONCENTRATION ON AGENCY COSTS: EVIDENCE FOR CROATIAN COMPANIES
Artículo
Acceso abierto Artículo DOAJ
Marina Klačmer Čalopa et al · Faculty of Economics University of Rijeka · 2020 · ISSN 1331-8004
The main objective of this research paper is to examine the impact of board size and ownership concentration, representing corporate governance mechanisms, on agency costs in large Croatian companies. Furthermore, debt...
LCC TENDOkVjb25vbWljIHRoZW9yeS4gRGVtb2dyYXBoeQ~~Idioma eng
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Open Access
Ionic liquid-assisted multiwalled carbon nanotube-dispersive micro-solid phase extraction for sensitive determination of inorganic As species in garlic samples by electrothermal atomic absorption spectrometry
Artículo
Material complementario disponible Artículo CONICET Digital
Castro Grijalba, Alexander et al · Pergamon-Elsevier Science Ltd · 2015 · ISSN 0584-8547
A highly sensitive dispersive micro-solid phase extraction (D-μ-SPE) method combining an ionic liquid (IL) and multi-walled carbon nanotubes (MWCNTs) for inorganic As species (As(III) and As(V)) species separation and d...
Idioma eng
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Material complementario
Kernel-based dynamic ensemble approach for classifying imbalanced data with overlapping classes
Artículo
Acceso abierto Artículo DOAJ
Somiya Abokadr et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract In many real-world applications, binary and multi-class classification problems involving imbalanced data and overlapping boundaries present a significant challenge for traditional machine learning algorithms. I...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Open Access
Low-loss, geometry-invariant optical waveguides with near-zero-index materials
Artículo
Acceso abierto Artículo DOAJ
Wang Danqing et al · Wiley · 2022 · ISSN 2192-8614
Optical materials with nearly zero refractive indices have driven emerging applications ranging from geometry-invariant optical tunneling, nonlinear optics, optical cloaking to thermal emission manipulation. In conventio...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Management of War-Influenced Dispersed Teams
Artículo
Material complementario disponible Artículo DOAJ
Volodymyr Voloboiev · Vasyl Stefanyk Carpathian National University · 2025 · ISSN 2311-0155
The article is dedicated to the study of managing teams dispersed under the influence of war. Military aggression has led to the forced relocation of workforce teams, creating unique challenges for effective management o...
LCC TENDOkVkdWNhdGlvbg~~; TENDOkVjb25vbWljcyBhcyBhIHNjaWVuY2U~Idioma eng
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Material complementario
Neural network connectivity by optical broadcasting between III-V nanowires
Artículo
Acceso abierto Artículo DOAJ
Draguns Kristians et al · Wiley · 2025 · ISSN 2192-8614
Biological neural network functionality depends on the vast number of connections between nodes, which can be challenging to implement artificially. One radical solution is to replace physical wiring with broadcasting of...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Non-invasive assessment of PD-L1 status and histology in non-small cell lung cancer using 18F-FDG PET/CT radiomics
Artículo
Acceso abierto Artículo DOAJ
Bartłomiej Tomasik et al · BMC · 2026 · ISSN 1479-5876
Abstract Background Radiomics analysis of 18F-FDG PET/CT enables extraction of high-dimensional quantitative features that may serve as imaging biomarkers for tumor biology. In particular, in non-small cell lung cancer (...
LCC LCC:MedicineIdioma eng
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Open Access
O Desempenho dos congressos Argentino e Brasileiro em perspectiva comparada The performance of the Argentinean and the Brazilian congress in a comparative perspective
Artículo
Acceso abierto Artículo DOAJ
Simone Diniz · Pontifícia Universidade Católica do Rio de Janeiro, Instituto de Relações Internacionais · 2005 · ISSN 0102-8529
LCC LCC:International relationsIdioma eng
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Open Access