Results 21 to 30 of about 740,889 (191)

Determinantes del tipo de endeudamiento en Chile: el rol de pertenecer a un grupo de negocios o ser una empresa familiar

open access: yesEstudios de Administración, 2018
This paper explores the critical factors regarding the financing decision, which may be public or private, of Chilean companies that do not belong to the financial sector.
Rodrigo Ábalos Del Sante   +1 more
doaj   +1 more source

Genetic Risk and High Burden of Depression and Suicide in the Maya‐Mestizo Population of Yucatán, México

open access: yesAmerican Journal of Medical Genetics Part B: Neuropsychiatric Genetics, EarlyView.
ABSTRACT Major depression and suicide are critical public health concerns, particularly in underrepresented populations with unique genetic and sociocultural contexts. The Maya‐mestizo population presents the highest suicide rates in the country but remains understudied in psychiatric genetics. This study evaluated the association between three genetic
Marta Menjivar   +3 more
wiley   +1 more source

Arbitraje en futuros de IPSA

open access: yesEstudios de Administración, 1994
En abril de 1991 la Bolsa de Comercio de Santiago inició las transacciones de futuros sobre el índice de Precios Selectivo de Acciones (IPSA), un índice bursátil que contiene las cuarenta acciones más transadas del país.
Carlos Díaz C., Salvador Zurita L.
doaj   +1 more source

Green and sustainable synthesis of magnetite from copper slag via citrate complexation for methylene blue dye removal from water

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract This study proposes a novel, green, and sustainable method for synthesizing magnetic iron oxides from metallurgical copper slag (CS), leveraging its iron content as a valuable resource. Iron was extracted via acid leaching using edible citric acid (ECA), forming a citrate–iron complex (CSL), which was subsequently thermally decomposed at 300°C
Melisa Portilla‐Sangabriel   +4 more
wiley   +1 more source

El rol del profesorado en el fortalecimiento de prácticas y cultura inclusiva

open access: yesGade: Revista Científica
La educación inclusiva, consiste en un proceso formativo institucional que busca transformar los sistemas educativos para atender a la diversidad, eliminando las barreras para el aprendizaje y la participación que presentan con frecuencia los alumnos ...
Orlando Terré Camacho   +4 more
doaj   +1 more source

La sociedad del conocimiento y la educación superior universitaria

open access: yesRevista Mexicana de Ciencias Políticas y Sociales, 2015
En este artículo se realiza una reflexión acerca de los desafíos que enfrenta la universidad en el marco de la sociedad del conocimiento, principalmente como consecuencia de algunas de las implicancias sociales, institucionales y pedagógicas que poseen ...
Guillermo Ruiz
doaj   +1 more source

Recreational Drug Use at a Music Festival: A Dual Approach Using Hair Biomarkers Analysis and Participant Self‐Reported Drug Use

open access: yesDrug Testing and Analysis, EarlyView.
Combined self‐report and hair analysis in festival attendees (n = 249) revealed substantial discrepancies in drug use reporting, particularly for stimulants and dissociatives. This integrated approach enhances detection of poly‐drug use and provides a more reliable basis for monitoring and harm‐reduction strategies.
A. Y. Simão   +4 more
wiley   +1 more source

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