Results 81 to 90 of about 268,483 (173)

Policonsumo desde una perspectiva neuropsicológica

open access: yesPsicogente, 2011
This review paper describes extensively the problem of craving (intense desire of consumption of psychoactive substances in the patient detoxified addict during withdrawal symptoms) and the complexity of the phenomenon of polydrug (indiscriminate use of ...
Johan Acosta López   +5 more
doaj  

Modelo bandabase de un sistema de comunicaciones OFDM satelital de última generación [PDF]

open access: yes, 2010
Tesis (Ingeniero Electrónico)En este proyecto se muestra un modelo de un sistema OFDM básico en un enlace satelital, que permite el estudio del comportamiento del esquema de modulación en este medio.
Bolívar Díaz, Nicolás
core  

An Aeolian Depositional Sequence Shaped by Near‐Surface Water at the Base of the Layered Sulfate Unit, Gale Crater, Mars

open access: yesJournal of Geophysical Research: Planets, Volume 131, Issue 5, May 2026.
Abstract The basal strata of the orbitally defined Layered Sulfate unit (LSu) in Gale crater, Mars, marks the end of a major mineralogical transition from clay‐to sulfate‐bearing stratigraphy. This has previously been attributed to a period of significant aridification of Gale's climate. Here, we present ground‐based observations by the Curiosity rover
Amelie L. Roberts   +27 more
wiley   +1 more source

PVH. Coincidencias y divergencias en la valoración del estado nutricional en adultos mayores institucionalizados en el Área Metropolitana de Caracas, Venezuela

open access: yesPerspectivas en Nutrición Humana, 2006
Objetivos: determinar el estado nutricional a través de la MNA y los puntos de corte del IMC propuestos por el NHANES III y, establecer las coincidencias y divergencias entre los métodos.
Nahir Rodríguez M.   +6 more
doaj  

Enlightenment, Latin America, Age of Revolutions, Spanish America, Brazil [PDF]

open access: yes, 2017
An essay analyzing the effect of Enlightenment thinking on the political and societal elite of the colonial Spanish and Portuguese Americas, and the subsequent colonial ...
Lentz, Katherine A.
core   +1 more source

Doctoral Education in Nursing in Ibero‐America: An Analysis of Its Evolution and Perspectives for the Future

open access: yesJournal of Advanced Nursing, Volume 82, Issue 5, Page 4235-4244, May 2026.
ABSTRACT Aim To provide an overview of doctoral programs in nursing offered in Ibero‐American countries to inform regional collaboration and academic development. Design This study was a descriptive, document analysis. Methods A systematic mapping was conducted using data obtained from official university and program websites, national postgraduate ...
José Luís Guedes dos Santos   +9 more
wiley   +1 more source

Clearing the Noise: Seasonal Dynamics of Endophytic Bacteria in Fagus sylvatica Leaves Revealed by Application of PNA Clamps

open access: yesPhysiologia Plantarum, Volume 178, Issue 3, May/June 2026.
ABSTRACT The characterization of the seasonal dynamics of endophytic bacteria in beech leaves can be hindered by co‐amplification of chloroplast and mitochondrial plant DNA. This study applies established peptide nucleic acid (PNA) clamps to suppress host‐derived amplification while resolving bacterial succession across the vegetative season ...
Irene Giubilei   +5 more
wiley   +1 more source

Descripción histórica de la Institución Educativa Fulgencio Lequerica Vélez de la ciudad de Cartagena de Indias

open access: yesEducación y Humanismo, 2015
La Institución Educativa Fulgencio Lequerica Vélez nació de la necesidad de ubicar a los hijos de las familias del sector tugurial de Chambacú, los cuales habían sido trasladados al barrio de Chiquinquirá en el año 1976. La Institución se caracteriza por
Dioselina Iriarte Barbosa   +4 more
doaj  

Evaluation of Genetics in the Association Between Cardiorespiratory Fitness and Health

open access: yesScandinavian Journal of Medicine &Science in Sports, Volume 36, Issue 5, May 2026.
ABSTRACT We evaluated how much cardiorespiratory fitness (CRF)‐related genetics contribute to the risk of common noncommunicable diseases (NCDs) and mortality, and whether individuals with different levels of CRF and genetic predispositions differ in health characteristics.
L. Joensuu   +663 more
wiley   +1 more source

Representaciones mentales colectivas sobre salud en el currículo de una Institución Educativa Distrital de la ciudad de Barranquilla

open access: yesEducación y Humanismo, 2016
El presente estudio exploró acerca de las representaciones mentales colectivas y conceptos relacionados sobre la salud en jóvenes con edades entre 10 y 16 años de una institución educativa de la ciudad de Barranquilla. Para ello se aplicó un cuestionario
María I. Ariza   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy