Results 31 to 40 of about 566,563 (248)

Buenas prácticas de gestión

open access: yesRevista Cubana de Administración Pública y Empresarial, 2023
El tercer número del séptimo volumen de 2023 de la Revista Cubana de Administración Pública y Empresarial aborda buenas prácticas de gestión. Conforman el número artículos originales, con autores de Cuba, Ecuador y Brasil.
Mercedes Delgado Fernández
doaj   +1 more source

BTZ Solutions on Codimension-2 Braneworlds

open access: yes, 2009
We consider five-dimensional gravity with a Gauss-Bonnet term in the bulk and an induced gravity term on a 2-brane of codimension-2. We show that this system admits BTZ-like black holes on the 2-brane which are extended into the bulk with regular ...
Cuadros-Melgar, B.   +3 more
core   +1 more source

Enfoque prospectivo estratégico para procesos hoteleros en el polo turístico de Varadero

open access: yesRetos de la Dirección, 2023
Objetivo: Implementar un procedimiento para el análisis prospectivo de procesos hoteleros del Complejo Barceló Solymar-Arenas Blancas- Allegro Palma Real.
Yenisey León Reyes   +3 more
doaj  

String-Like BTZ on Codimension-2 Braneworlds in the Thin Brane Limit

open access: yes, 2007
We consider five-dimensional gravity with a Gauss-Bonnet term in the bulk and an induced gravity term on a 2-brane of codimension-2. We show that this system admits BTZ black holes on the 2-brane which are extended into the bulk with regular horizons ...
Cuadros-Melgar, Bertha   +3 more
core   +1 more source

Psychometric Properties of a Spanish Version of the Fear of COVID-19 Scale in General Population of Lima, Peru

open access: yesInternational Journal of Mental Health and Addiction, 2020
The current pandemic of the novel coronavirus COVID-19 has increased the anxiety and fear experienced by many. The main objective of this study was to analyze the psychometric properties of the Spanish-translated version of the Fear of COVID-19 Scale ...
J. Huarcaya-Victoria   +3 more
semanticscholar   +1 more source

Método bowtie para la gestión integral de riesgos en un parque solar fotovoltaico

open access: yesRevista Cubana de Administración Pública y Empresarial
La expansión de la energía solar fotovoltaica en nuestro país, conlleva la necesidad de desarrollar metodologías de gestión de riesgos robustas y de fácil comprensión para garantizar la seguridad operacional, la protección de los activos y la continuidad
Gabriel Montesino Figueroa   +7 more
doaj   +1 more source

La preparación de los cuadros de la Administración Provincial del Poder Popular de Matanzas

open access: yesRetos de la Dirección, 2023
Objetivo:Develar el resultado del diagnóstico del estado actual de la gestión de la preparación de los cuadros de la Administración Provincial del Poder Popular en Matanzas.
Daylis Teresa Ramírez Álvarez
doaj  

Brain tyrosinase overexpression implicates age-dependent neuromelanin production in Parkinson’s disease pathogenesis

open access: yesNature Communications, 2019
In Parkinson’s disease (PD) there is a selective degeneration of neuromelanin-containing neurons, especially substantia nigra dopaminergic neurons. In humans, neuromelanin accumulates with age, the latter being the main risk factor for PD.
Iria Carballo-Carbajal   +15 more
semanticscholar   +1 more source

Quasinormal modes and thermodynamical aspects of the 3D Lifshitz black hole

open access: yes, 2013
We consider scalar and spinorial perturbations on a background described by a $z=3$ three-dimensional Lifshitz black hole. We obtained the corresponding quasinormal modes which perfectly agree with the analytical result for the quasinormal frequency in ...
Cuadros-Melgar, B.   +2 more
core   +2 more sources

A simple index for assessing cumulative human impacts on mountain lakes

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Mountain lakes are highly sensitive ecosystems and effective sentinels of environmental change, yet the exposure and magnitude of the human footprint remain poorly quantified. In this study, we develop a simple and non‐invasive abiotic index to assess cumulative pressures on mountain lakes. The proposed index integrates eight variables grouped
Clara Sáez   +3 more
wiley   +1 more source

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