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94 resultados encontrados.

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Application of chromosomal microarray analysis for fetuses with nasal bone agenesis or hypoplasia
Artículo
Acceso abierto Artículo DOAJ
Keqin Jin et al · BMC · 2026 · ISSN 1755-8166
Abstract Objective To explore the utility of microarray technology in prenatal diagnosis of nasal bone agenesis or hypoplasia. Methods Between July 2018 to October 2023, several cases of abnormal nasal bone development w...
LCC LCC:GeneticsIdioma eng
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Open Access
Back analysis of construction of large deep excavations using intelligent optimization algorithm
Artículo
Acceso abierto Artículo DOAJ
ZUO Zi-bo 1, 2, HUANG Yu-lin 1, 2, WU Xiao-jian 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
By introducing the artificial intelligence technology, on improved Nelder-Mead acceleration algorithm based on the neural network is proposed to obtain better optimization results. A back analysis method for construction...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Open Access
Bifurcation analysis and exploration of new optical soliton solutions in parabolic law medium with weak non-local nonlinearity
Artículo
Material complementario disponible Artículo DOAJ
Karmina K. Ali et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract In the present study, we examine how optical solitons behave in a synthetic nonlocal nonlinear medium. An analytical investigation is conducted into the nonlinear dynamical model that represents the propagation ...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Material complementario
Diameter-dependent analytical p–y curves for response analysis of monopiles in sand
Artículo
Material complementario disponible Artículo DOAJ
Bo Wang et al · SpringerOpen · 2026 · ISSN 2198-2783
Abstract Large-diameter monopiles are extensively used to support onshore bridges, port terminals, and offshore wind farms due to their high load-bearing capacity, low settlement and excellent seismic performance. Meanwh...
LCC TENDOkh5ZHJhdWxpYyBlbmdpbmVlcmluZw~~Idioma eng
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EXPERIMENTAL VISUALIZATION AND NUMERICAL SIMULATION OF FRAUNHOFER DIFFRACTION FROM ORDERED AND DISORDERED OPAQUE MICROSTRUCTURES FOR EDUCATION PRACTICE: ЕКСПЕРИМЕНТАЛЬНА ВІЗУАЛІЗАЦІЯ ТА ЧИСЕЛЬНЕ МОДЕЛЮВАННЯ ДИФРАКЦІЇ ФРАУНГОФЕРА ВІД ВПОРЯДКОВАНИХ І НЕВПОРЯДКОВАНИХ НЕПРОЗОРИХ МІКРОСТРУКТУР ДЛЯ ОСВІТНЬОЇ ПРАКТИКИ
Artículo
Acceso abierto Artículo DOAJ
Oleksii Voronkin et al · Sumy State Pedagogical University named after A.S. Makarenko · 2026 · ISSN 2413-1571
Formulation of the Problem. In teaching Fraunhofer diffraction, experimental approaches that clearly reveal the relationship between real-space structures and their Fourier-space representation remain limited in accessib...
LCC TENDOlNwZWNpYWwgYXNwZWN0cyBvZiBlZHVjYXRpb24~Idioma eng
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Open Access
Image analysis optimization for nanowire-based optical detection of molecules
Artículo
Acceso abierto Artículo DOAJ
Davtyan Rubina et al · Wiley · 2024 · ISSN 2192-8614
Semiconductor nanowires can enhance the signal of fluorescent molecules, thus significantly improving the limits of fluorescence detection in optical biosensing. In this work, we explore how the sensitivity can further b...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Multi-Physics Coupled Acoustic-Mechanics Analysis and Synergetic Optimization for a Twin-Fluid Atomization Nozzle
Artículo
Acceso abierto Artículo DOAJ
Wenying Li et al · KeAi Communications Co., Ltd · 2024 · ISSN 2192-8258
Abstract Fine particulate matter produced during the rapid industrialization over the past decades can cause significant harm to human health. Twin-fluid atomization technology is an effective means of controlling fine p...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma eng
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Spectral domain analysis of double screen frequency selective surfaces
Artículo
Acceso abierto Artículo DOAJ
Antonio Luiz Pereira de Siqueira Campos et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
This paper presents a numerical investigation for a double screen frequency selective surface (FSS) with perfectly conducting rectangular patch elements. The analysis uses a full wave technique to obtain the scattering c...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
A numerical investigation on interaction effects between two underwater vehicles in close proximity
Artículo
Material complementario disponible Artículo DOAJ
Zi-Qiang Zheng et al · Elsevier · 2026 · ISSN 2468-0133
Underwater vehicles operating in close proximity suffer from significant hydrodynamic interactions, especially when there is a prominent vehicle size disparity. To gain profound insights into the physical mechanisms of i...
LCC LCC:Ocean engineeringIdioma eng
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AERODYNAMIC PERFORMANCE ANALYSIS OF CO-FLOW JET AIRFOIL
Artículo
Acceso abierto Artículo DOAJ
C M Vigneswaran et al · Embry-Riddle Aeronautical University · 2021 · ISSN 2374-6793
The work in this paper aims to increase the maximum lift coefficient of the airfoil by implementing the co-flow jet concept on NACA 0018 airfoil and also to investigate the performance of co-flow jet (CFJ) airfoil. To co...
LCC LCC:Motor vehicles. Aeronautics. AstronauticsIdioma eng
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Open Access
Cluster analysis of participants’ self-reported emotional and organizational responses during a large-scale disaster simulation exercise at a level 1 trauma center
Artículo
Acceso institucional disponible Artículo DOAJ
Myriam Lamamri et al · BMC · 2026 · ISSN 1865-1380
Abstract Background Hospital-based simulations are vital for disaster preparedness. Anxiety and other emotions may affect hospital staff by influencing non-technical skills. We investigated self-reported emotional and or...
LCC TENDOk1lZGljYWwgZW1lcmdlbmNpZXMuIENyaXRpY2FsIGNhcmUuIEludGVuc2l2ZSBjYXJlLiBGaXJzdCBhaWQ~Idioma eng
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Institucional
Experimental investigation and numerical simulation of ultrasonic spot welding for Al/Mg/Al three-layer plates
Artículo
Acceso abierto Artículo DOAJ
Dewang ZHAO et al · Editorial Office of Transactions of the China Welding Institution, Welding Journals Publishing House · 2026 · ISSN 0253-360X
Aluminum/magnesium alloys have increasingly important applications in the lightweight design and manufacturing of launch vehicles due to their excellent mechanical properties. The bodies and body cover panels of new ener...
LCC TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma zho
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Open Access
Hydrolyzed chicken extract (ProBeptigen®) on sleep quality in healthy individuals: a secondary analysis of PSQI global and component scores from a randomized double-blind trial
Artículo
Material complementario disponible Artículo DOAJ
Lee Cheng Phua et al · Frontiers Media S.A · 2026 · ISSN 2296-861X
Background/objectivesPoor sleep is a prevalent health issue. This secondary analysis examined the effects of hydrolyzed chicken extract (ProBeptigen®) on sleep quality outcomes using data from a previously completed sin...
LCC LCC:Nutrition. Foods and food supplyIdioma eng
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Identification of Coronal Mass Ejection–Driven Shocks Based on Numerical Simulation and Deep Learning
Artículo
Acceso abierto Artículo DOAJ
Jing’en Li et al · IOP Publishing · 2026 · ISSN 1538-4357
Coronal mass ejections (CMEs) are eruptions originating from the solar corona, usually carrying a large amount of fast-flowing plasma into interplanetary space, accompanied by an enhanced magnetic field. CMEs can form sh...
LCC TENDOkFzdHJvcGh5c2ljcw~~Idioma eng
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Open Access
Implementing Runge-Kutta Method of Sixth-Order for Numerical Solution of Fuzzy Differential Equations
Artículo
Material complementario disponible Artículo DOAJ
Marwa Alsafar et al · University of Mosul, College of Education for Pure Science · 2023 · ISSN 1812-125X
The article talks about the increasing importance of the practical use of fuzzy differential equations in modeling complex problems in various fields, such as science and engineering, as these differential equations allo...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Item Analysis of Arabic Thematic Questions to Determine Thinking Level Ability
Artículo
Acceso abierto Artículo DOAJ
Suleman Kadir et al · Pusat Pengembangan Bahasa · 2024 · ISSN 2964-9277
Background: Thematic Arabic language test items are crucial to be analyzed, but the interesting aspect is to determine whether the Arabic language questions used meet the criteria of HOTS (High Order Thinking Skill) ques...
LCC LCC:Language and LiteratureIdioma eng
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Open Access
Quasi-analytical perturbation analysis of the generalized nonlinear Schrödinger equation
Artículo
Acceso abierto Artículo RI ITBA
Bonetti, Juan I. et al · RI ITBA · 2019 · ISSN 1860-0832
"The Generalized Nonlinear Schrödinger Equation (GNLSE) finds several applications, especially in describing pulse propagation in nonlinear fiber optics. A well-known and thoroughly studied phenomenon in nonlinear wave ...
Idioma en
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Open Access
Research and numerical simulation on dynamic tensile instability evolution mechanism of coal under different impact velocities
Artículo
Acceso abierto Artículo DOAJ
ZHANG Tong et al · Emergency Management Press · 2026 · ISSN 2096-2193
Understanding the strain-damage-energy dissipation mechanisms and evolution characteristics of deep coal and rock under impact loading is of great significance for the prevention and control of rockbursts. In this study,...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground construction; TENDOk1pbmluZyBlbmdpbmVlcmluZy4gTWV0YIdioma eng
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Open Access
Seismic characterization of thin beds containing patchy carbon dioxide-brine distributions: A study based on numerical simulations
Artículo
Acceso abierto Artículo CONICET Digital
Rubino, Jorge German et al · Society of Exploration Geophysicists · 2011 · ISSN 0016-8033
We studied the seismic attenuation and velocity dispersion effects produced by wave-induced fluid flow in weakly consolidated sandstones containing patchy carbon dioxide CO ð Þ2 -brine distributions. The analysis also ...
Idioma eng
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Open Access
Thermal and solutal analysis of oxytactic microbes in bioconvection slip flow of trihybrid nanofluid with activation energy using artificial neural network
Artículo
Acceso abierto Artículo DOAJ
Munawar Abbas et al · Springer · 2026 · ISSN 2731-9229
Abstract In this work, the intelligent Levenberg–Marquardt optimization approach is applied to evaluate the activation energy influence on thermo-bioconvection flow of a trihybrid nanofluid including oxytactic microbes...
LCC LCC:Materials of engineering and construction. Mechanics of materialsIdioma eng
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Open Access
Time-step-size-independent conditioning and sensitivity to perturbations in the numerical solution of index three differential algebraic equations
Artículo
Acceso abierto Artículo CONICET Digital
Bottasso, Carlo et al · Siam Publications · 2007 · ISSN 1064-8275
We propose a simple preconditioning for the equations of motion of constrained mechanical systems in index three form. The scaling transformation is applied to the displacement‐velocity‐multiplier and to the reduced ...
Idioma eng
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Open Access
DEVELOPMENT AND ANALYSIS OF METHODS FOR SOLVING TYPICAL PROBLEMS OF RATIONAL DISTRIBUTION OF LIMITED RESOURCES
Artículo
Acceso abierto Artículo DOAJ
L. G. Raskin et al · Odessa National Academy of Food Technologies · 2026 · ISSN 2312-3125
The object of research is the problem of rational distribution of limited resources between subsystems of a complex system that function independently. The relevance of the work is determined by the fundamental features ...
LCC TENDOkF1dG9tYXRpb24~Idioma eng
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Open Access
Deep learning analysis for enhanced prediction of heat transfer in Maxwell hybrid nanofluids with non-Fourier law and radiation effects
Artículo
Acceso abierto Artículo DOAJ
Norah Salem Alsaiar et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract Nanofluids have emerged as promising heat transfer media due to their superior thermal performance associated to conventional fluids, yet their behavior under mutual impacts of radiation, heat source/sink, and m...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Open Access
Modeling and Experimental Analysis of Roughness Effect on Ultrasonic Nondestructive Evaluation of Micro-crack
Artículo
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Zhe Wang et al · KeAi Communications Co., Ltd · 2021 · ISSN 1000-9345
Abstract A high-precision evaluation of ultrasonic detection sensitivity for a micro-crack can be restricted by a corroded rough surface when the surface microtopography is of the same order of magnitude as the crack dep...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma eng
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