Results 131 to 140 of about 519,267 (268)

Modelo de probabilidad según condiciones socioeconómicas para el trabajo infantil rural y urbano en Colombia

open access: yesCuadernos de Economía
El problema social relacionado con el trabajo infantil es una situación que concentra los esfuerzos de organismos multilaterales como la Organización Internacional del Trabajo, Organización de las Naciones Unidas y el Fondo Internacional de Emergencia ...
Jenny Lisseth Avendaño   +2 more
doaj   +1 more source

Modelling tourism demand to Spain with machine learning techniques. The impact of forecast horizon on model selection [PDF]

open access: yes, 2016
This study assesses the influence of the forecast horizon on the forecasting performance of several machine learning techniques. We compare the fo recastaccuracy of Support Vector Regression (SVR) to Neural Network (NN) models, using a linear model as a ...
Claveria, Oscar   +2 more
core   +1 more source

Assessing Spatiotemporal Side Effects of Diversionary Feeding on Mesopredators

open access: yesAnimal Conservation, EarlyView.
We tested whether diversionary feeding alters the space use, aggregation, or activity patterns of mesopredators using a treatment‐control design with camera traps. Although both species frequently used feeding stations, diversionary feeding did not significantly affect their spatial distribution, aggregation, or temporal behaviour.
Pablo Palencia   +5 more
wiley   +1 more source

Miradas a las economías solidarias: descentralización y regionalismos emergentes en Jalisco [PDF]

open access: yes, 2008
En este trabajo analiza tres experiencias, como referentes empíricos, de la economía social y solidaria en Jalisco, México. Se trata del Sistema de Financiamiento Rural Alternativo (SIFRA), una red de cooperativas de crédito rural; Maizud, una empresa ...
Díaz-Muñoz, Guillermo
core  

Dendrimeric Antigens for Passive Mast Cell Activation in the Evaluation of Amoxicillin Allergy

open access: yesAllergy, EarlyView.
DeAns with defined nanoscale structure reveal that conjugate size and determinant density govern IgE‐mediated effector‐cell activation in AX allergy. All DeAn generations bind to sIgE in inhibition immunoassay, but only larger DeAns trigger FcεRI‐dependent responses in mouse MC, huRBL‐2H3, and LUVA cells.
Amene Tesfaye Ayane   +12 more
wiley   +1 more source

Debates y reflexiones en torno a la crisis económica en Tarapacá (1934-1953): notas preliminares [PDF]

open access: yes, 2011
El presente artículo presenta un bosquejo de la situación social y económica de la provincia de Tarapacá durante el ciclo de vigencia del Instituto de Fomento Minero e Industrial, organismo creado para potenciar el crecimiento de la región tras el ...
Donoso Rojas, Carlos
core   +2 more sources

Successful Application of the Mast Cell Activation Test in Immediate Hypersensitivity to Amoxicillin

open access: yesAllergy, EarlyView.
This study included 28 amoxicillin‐allergic patients and 11 healthy exposed controls. Mast cells were differentiated from CD34+ progenitors over 8 weeks using cytokine cocktails. The mast cell activation test involved sensitization with patient or control sera and stimulation with free amoxicillin or G4/G5‐AXO dendrimers with successfully activated ...
Jose A. Céspedes   +11 more
wiley   +1 more source

Tourism as a driver of economic and social development in underdeveloped regions

open access: yesRegional Science Policy &Practice, EarlyView., 2023
Abstract Cross‐border cooperations have been usually approached by developing trade agreements between international regions to upgrade their socioeconomic conditions and promote international tourism flows in territories. However, little attention has been paid to the role that tourist companies play in underprivileged territories highly dependent on ...
Rafael Robina‐Ramírez   +3 more
wiley   +1 more source

Los desafíos regionales frente a la mundialización de los territorios: la sociedad mendocina en los 90'

open access: yesBoletín Geográfico, 2014
En la década del 80, el mercado interno nacional había ya perdido su rol como motor de las llamadas "economías regionales" y las crisis en recurrentes de la economía vitivinícola mendocina se habían vuelto estructurales.
Elma Montaña
doaj  

Exhaled Volatile Organic Compounds Identify Allergic Patients Among Individuals With Chronic Rhinitis

open access: yesAllergy, EarlyView.
Exhaled decane and nonadecane discriminate allergic (AR + LAR) from non‐allergic (NAR + HC) subjects among individuals with chronic rhinitis. LAR patients display higher levels of exhaled nonadecane than NAR individuals at baseline. Subjects with FeNO≥ 25 ppb have higher levels of exhaled decane, nonanal, and styrene than individuals with FeNO < 25 ppb
Rosa Alba Sola‐Martinez   +9 more
wiley   +1 more source

Home - About - Disclaimer - Privacy