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7301
Factores explicativos del voto costarricense en el exterior en elecciones presidenciales (2014–2022)
Published 2025“…Para ello, se aplicó un modelo de regresión lineal sobre datos agregados por país de residencia y año electoral (n=211 observaciones), utilizando como variable dependiente la tasa de participación electoral reportada por el Tribunal Supremo de Elecciones. …”
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7302
State-of-the-art of data collection, analytics, and future needs of transmission utilities worldwide to account for the continuous growth of sensing data
Published 2022“…Nowadays, transmission system operators require higher degree of observability in real-time to gain situational awareness and improve the decision-making process to guarantee a safe and reliable operation. …”
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7303
Development of an Ultra-Low Carbon MgO Refractory Doped with α-Al2O3 Nanoparticles for the Steelmaking Industry: A Microstructural and Thermo-Mechanical Study
Published 2020“…However, as the α-Al2O3 nanoparticle content increased, the density and microhardness decreased. Microstructural observations showed that the presence of α-Al2O3 nanoparticles in the magnesia matrix induced the magnesium-aluminate spinel formation (MgAl2O4), which improved the mechanical resistance most significantly at 1500 °C.…”
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7304
Corrosion behavior of AA2055 aluminum-lithium alloys anodized in the presence of sulfuric acid solution
Published 2021“…The Na2Cr2O7 sealing solution tends to increase the charge transfer resistance and produces a more homogeneous and compact passive oxide layer, and imparts a corrosion inhibition protection to the AA2055. SEM observations indicated that the morphology and thickness of the anodic films formed on AA2055 aluminum-lithium alloy anodized have the best results for both current densities.…”
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7305
Estudio del comportamiento eléctrico (corriente vs tiempo) de materiales poliméricos
Published 2014“…Los materiales poliméricos se caracterizan por tener una estructura macromolecular y una distribución estadística de pesos moleculares. Por las macromoléculas poliméricas tienen una morfología en forma de cadena, con cierto grado de ramificaciones a lo largo de su longitud. …”
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Tesis -
7306
Estudio del comportamiento eléctrico (corriente vs tiempo) de materiales poliméricos
Published 2014“…Los materiales poliméricos se caracterizan por tener una estructura macromolecular y una distribución estadística de pesos moleculares. Por las macromoléculas poliméricas tienen una morfología en forma de cadena, con cierto grado de ramificaciones a lo largo de su longitud. …”
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Tesis -
7307
Un Día en el Asilo: Experiencia desde la mirada de los Adultos Mayores
Published 2025Get full text
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7308
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7309
Turbulent Kinetic Energy in the Energy Balance of a Solar Flare
Published 2017“…Using an unprecedented set of coordinated observations, from a suite of instruments, we here report on a hitherto largely overlooked energy component—the kinetic energy associated with small-scale turbulent mass motions. …”
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7310
Nutrition affects insect susceptibility to Bt toxins
Published 2017“…The spread of resistance alleles is the primary explanation for observations of reduced pesticide efficacy over time, but the potential for gene-by-environment interactions (plasticity) to mediate susceptibility has largely been overlooked. …”
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7311
Ultrasound-guided umbilical venous catheterisation: A cost-effectiveness analysis
Published 2020“…Patients and methods: A retrospective observational study was conducted on newborns that required an umbilical venous catheter before completing their first 24 h of extra-uterine life. …”
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7312
Electrospun Polyvinylpyrrolidone-Gelatin and Cellulose Acetate Bi-Layer Scaffold Loaded with Gentamicin as Possible Wound Dressing
Published 2020“…The obtained material was characterized by observations on scanning electron microscopy, Fourier transform infrared spectroscopy and thermal analysis; contact angle measurement was performed to evaluate wettability properties, and antibacterial activity against Pseudomonas aeruginosa and Staphylococcus aureus were evaluated using the Kirby–Bauer test. …”
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7313
The crisis of democracy in Mexico: Chronicling the dismantling of democratic institutions
Published 2024“…The main indicator of this evolution is the deterioration of the institutional framework that has been violated and threatened in the last 5 years, according to the main evidence described. Finally, some observations are made to avoid further affecting the democratic advance in Mexico.…”
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7314
Gold−Copper Nano-Alloy, “Tumbaga”, in the era of nano: phase diagram and segregation
Published 2014“…The results of the thermodynamic approach are compared and supported by molecular-dynamics simulations and by electron-microscopy (EDX) observations.…”
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7315
Estudio computacional de la capacidad antioxidante de tuna (Opuntia Streptacantha)
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7316
Mixed sensitivity control: a non-iterative approach
Published 2020“…This MSC problem is solved in a one-parameter observer-controller configuration and reference tracking-control of positions is realized on a two-degrees of freedom feedback-configuration. …”
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7317
Correlation between seasonal and meteorological factors with the monthly frequency of intracranial aneurysms rupture in northeast Mexico
Published 2021“…Whether seasonal or meteorological factors influence the likelihood of aneurysm rupture is controversial. An observational, retrospective, cross-sectional and non-comparative study of male and female patients over 18 years old who were admitted to our unit in northeast Mexico with the diagnosis of spontaneous SAH due to aneurysmal rupture from January 2014 to March 2020. …”
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7318
Vínculo de la teoría práctica para el desarrollo de competencias mediante la asignatura de Física en el Nivel Medio Superior de la UANL
Published 2013“…El principal sustento consiste en que en una misma actividad docente: se observe, se modele, se interprete, se describa, se argumente, se interactúe con el fenómeno físico y se verifique lo estudiado. …”
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7319
Vínculo de la teoría práctica para el desarrollo de competencias mediante la asignatura de Física en el Nivel Medio Superior de la UANL.
Published 2013“…El principal sustento consiste en que en una misma actividad docente: se observe, se modele, se interprete, se describa, se argumente, se interactúe con el fenómeno físico y se verifique lo estudiado. …”
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7320
Optimización dinámica aplicada al acuífero de San Luis Potosí: Dynamic optimization applied to the San Luis Potosi aquifer
Published 2022“…El óptimo interior recomienda un nivel de extracción de 42,854 miles de metros cúbicos y un precio de 0.00003658 pesos por metro cúbico de agua. El acuífero se encuentra actualmente muy sobreexplotado. …”
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