Results 41 to 50 of about 45,637 (231)

Pseudoquiste esplénico masivo en el embarazo. Una condición poco frecuente

open access: yesCirugía y Cirujanos, 2021
Antecedentes: Las lesiones quísticas esplénicas son infrecuentes. Se clasifican en tipo 1, con componente epitelial, y en tipo 2 (pseudoquistes), sin componente epitelial. Los pseudoquistes son resultado de traumatismos, infartos o infección.
Julio A. Barajas-Puga   +3 more
doaj   +1 more source

Artificial Neural Networks for Drought Forecasting in the Central Region of the State of Zacatecas, Mexico

open access: yesClimate
Drought is, among natural hazards, one of the most harmful to humanity. The forecasting of droughts is essential to reduce their impact on the economy, agriculture, tourism and water resource systems. In this study, drought forecast in the central region
Pedro Jose Esquivel-Saenz   +3 more
semanticscholar   +1 more source

Pairs-Production of Higgs in Association with Bottom Quarks Pairs at $e^+e^-$ Colliders

open access: yes, 2005
In a previous paper, we studied the Higgs pair production in the standard model with the reaction $e^{+}e^{-}\to t \bar t HH$. Based on this, we study the Higgs pair production via $e^{+}e^{-}\to b \bar b HH$.
A. GUTIÉRREZ-RODRÍGUEZ   +3 more
core   +1 more source

Comparative Analysis of Solar Radiation Forecasting Techniques in Zacatecas, Mexico

open access: yesApplied Sciences
This work explores the prediction of daily Global Horizontal Irradiance (GHI) patterns in the region of Zacatecas, Mexico, using a diverse range of predictive models, encompassing traditional regressors and advanced neural networks like Evolutionary ...
Martha Isabel Escalona-Llaguno   +8 more
semanticscholar   +1 more source

Análisis de calidad de la energía de inversor de puentes H y control SPWM [PDF]

open access: yesRevista Científica de Ingeniería Energética, 2020
En este documento se muestran los resultados obtenidos al implementar un sistema de control por desplazamiento de nivel SPWM multicarrier a un inversor monofásico de puentes H en cascada.
Aurelio Beltrán Telles   +4 more
doaj  

Presence of Human Papillomavirus DNA in Malignant Neoplasia and Non-Malignant Breast Disease

open access: yesCurrent Issues in Molecular Biology, 2022
Breast cancer is the leading cause of cancer death among women worldwide. Multiple extrinsic and intrinsic factors are associated with this disease’s development.
Erika Maldonado-Rodríguez   +10 more
doaj   +1 more source

Theorem on the proportionality of inertial and gravitational masses in classical mechanics [PDF]

open access: yes, 1997
We considered the problem of the proportionality of inertial and gravitational masses in classical mechanics. We found that the kinetic energy of a material mass point m in a circular motion with a constant angular velocity around another material point ...
Andrew E Chubykalo   +4 more
core   +2 more sources

Análisis predictivo del riesgo de hipertensión en adultos mexicanos basado en indicadores nutricionales y calóricos

open access: yesRevista Ingenio
Este artículo desarrolla un análisis predictivo del riesgo de hipertensión en adultos mexicanos basado en indicadores nutricionales y calóricos. La hipertensión, una condición con serias implicaciones para la salud, requiere la identificación de factores
Héctor Alejandro Acuña Cid   +4 more
doaj   +1 more source

Flora de la cima de la Mesa Alta, Jerez, Zacatecas, México

open access: yesBotan‪ical Sciences, 2016
Se hizo un estudio florístico en la cima de la Mesa Alta, ubicada 5 km al noreste de El Cargadero, municipio de Jerez, en la región centro del estado de Zacatecas. La altitud máxima de la Mesa Alta es de 2,750 m.
Juan Ramírez-Prieto   +4 more
doaj   +1 more source

A Characterisation of Extreme‐Heat Occurrence and Its Trends in Mexico Based on a High Resolution Dataset

open access: yesInternational Journal of Climatology, EarlyView.
As Mexico faces rising temperatures and increasing events of extreme heat, improvements in the analysis and characterisation of these phenomena are necessary, as they offer new insights into the spatial variability of such trends and their underlying causes.
David Maximiliano Zermeño‐Díaz
wiley   +1 more source

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