Results 81 to 90 of about 101,986 (266)
Espacio y Desarrollo, 2007 This paper examines the main characteristics of natural order associated to touristic practices thatsubsist in the San Luis Potosí territory, located at the meridian limit of the ancient Aridoamérica and occupies a central portion of the United States of
Valente Vázquez Solís
doaj
Efecto del propionato de calcio en la fermentación in vitro de dietas a base de sorgo [PDF]
, 2016 The objective of the present study was to evaluate the effect of calcium propionate (CaPr) on in vitro ruminal fermentation using a factorial arrangement 2 x 2 evaluating CaPr (0 vs. 1%) and grain level (55 vs. 65%).
Crosby-Galván, María Magdalena +7 more
core +2 more sources
Advanced NanoBiomed Research, Volume 5, Issue 12, December 2025.Overview of the use of silica nanoparticles in vaccines against pathogens. Different kinds of vaccines against infectious diseases are currently using solid or mesoporous silica nanoparticles in their formulation. Silica microparticles and nanoparticles (SiNPs) have been studied as vehicles for vaccines.
Noe Juvenal Mendoza‐Ramírez +3 more
wiley +1 more source
Capacidad de dos especies vegetativas en la acumulación de metales pesados [PDF]
, 2018 Habitat fragmentation allows for vegetative species to be used as indicators of environmental pollution by heavy metals. Considering the distribution of Prosopis laevigata (mesquite) and Schinus molle (pepper tree) heavy metal concentrations were ...
Alcalá Jáuregui, Jorge +5 more
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Mental Health Science, Volume 3, Issue 4, December 2025.ABSTRACT To assess the impact of the COVID‐19 pandemic on suicide deaths in Mexico between 2020 and 2022. Data were obtained from the Mexican Ministry of Health website, covering national mortality data from 2015 to 2022. Suicide rates were analyzed across different age groups using time series data, and excess mortality during the pandemic years (2020–
Patricia Salazar‐Ramírez +5 more
wiley +1 more source
Análisis de fragmentación en colonias del perrito llanero mexicano (Cynomys mexicanus) [PDF]
, 2012 Se aplicó un análisis de fragmentación a las colonias activas de perrito llanero mexicano, se calcularon estadísticas de interacción, aislamiento y conectividad. La superficie registrada en este estudio es de 284.2 km2.
Cantú Ayala, César +2 more
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Corytophanes hernandesii [PDF]
, 2004 Number of Pages: 6Integrative BiologyGeological ...
McCranie, James R. +2 more
core +1 more source
Quantifying interflake ordering in graphene oxide films via wide‐angle X‐ray scattering analysis
Journal of Applied Crystallography, Volume 58, Issue 6, Page 2105-2111, December 2025.We present a methodology based on wide‐angle X‐ray scattering for the quantitative assessment of interflake ordering in graphene oxide films, providing a structural parameter to characterize anisotropy in disordered 2D materials.We report a methodology based on wide‐angle X‐ray scattering (WAXS) to quantify the ordering between graphene oxide (GO ...
Roque Sanchez Salas +3 more
wiley +1 more source
Félix Beltrán, profesor distinguido de la UAM [PDF]
, 2017 1 archivo PDF (4 páginas) : se incluye la portada del número 30 de la revista ; incluye 3 imágenes fotográficas del profesor Félix Beltrán.Entrevista al Doctor Félix Beltrán, previa a la Ceremonia de investidura de Profesor Distinguido de la Universidad ...
Beltrán Concepción, Félix Alberto, 1938-
core
Lagrangians for invariant sub-spaces of the squared Pauli-Lubanski vector
, 2003 We present an alternative formalism to the Rarita-Schwinger framework for the description of "has-been" higher spins at rest that avoids the Velo-Zwanziger problem.Comment: 3 pages, Contribution to the X Mexican School on Particles and Fields, 2002 ...
Cabral, G., Kirchbach, M.
core +1 more source