Results 21 to 30 of about 542,344 (235)

Experimental Study of a Sequential Membrane Process of Ultrafiltration and Nanofiltration for Efficient Polyphenol Extraction from Wine Lees

open access: yesMembranes
The wine industry is a sector of great importance in the Spanish economy, contributing substantial annual revenues. However, one challenge facing the industry is the amount of waste generated, reaching millions of tons annually. These residues consist of
Miguel-Jorge Reig-Valor   +4 more
doaj   +1 more source

The introduction of sickness insurance in Spain in the first decades of the Franco dictatorship (1939-1962) [PDF]

open access: yes, 2013
[Abstract:]Using new statistical data on financing, coverage and economic and health care provisions, this article analyses how sickness insurance was introduced, managed and extended in Spain, under the Franco dictatorship, between 1939 and 1962. This
Pons Pons, Jerònia   +1 more
core   +1 more source

Application of NEMA protocols to verify GATE models based on the Digital Biograph Vision and the Biograph Vision Quadra scanners

open access: yesZeitschrift für Medizinische Physik
Purpose: The Monte Carlo method is an effective tool to simulate and verify PET systems. Furthermore, it can help in the design and optimization of new medical imaging devices and algorithms. In this framework, the goal of this work is to verify the GATE
Miriam Magela Peña-Acosta   +3 more
doaj   +1 more source

Propuesta para la reestructuración del Sector Industrial de la Seguridad y la Defensa (SISD) en España [PDF]

open access: yes, 2011
Los cambios estratégicos de las dos últimas décadas han puesto a prueba la capacidad de los gobiernos y de las industrias para adaptarse a un contexto de seguridad y defensa nuevo con los procedimientos y mentalidades heredados de la Guerra Fría.
Arteaga Martín, Félix
core  

Ambient heat and early childhood development: a cross‐national analysis

open access: yesJournal of Child Psychology and Psychiatry, EarlyView.
Background Increasing evidence suggests that climate change, along with its cascading impacts on ecosystems, societies, and communities, has significant effects on both physical and mental health. However, less is known about how exposure to excessive heat early in life may influence the development of foundational skills that shape lifelong ...
Jorge Cuartas   +3 more
wiley   +1 more source

Higiene y seguridad industrial TACASA, S.A [PDF]

open access: yes, 2015
La utilización de Manuales de Seguridad e Higiene y la actualización constante de los mismos es lo que nos mueve al desarrollo de nuestra investigación, planteando contenido importante mediante la creación de un Manual para la empresa tabacalera TACASA ...
García González, Abel Ramón   +2 more
core  

“You Are Safe Now”: Migrant Youth Constructions of Safety and Schooling in the U.S.

open access: yesAnthropology &Education Quarterly, Volume 57, Issue 1, March 2026.
ABSTRACT Drawing on multisited ethnographic research with migrant families from Brazil, El Salvador, Guatemala, and Honduras who were detained, separated, or endured prolonged transit due to US immigration policies, we articulate how ideas of “relational safety” are situated in relationships with people, place, and time. Contrasting abundant literature
Michelle J. Bellino, Gabrielle Oliveira
wiley   +1 more source

Sistema de detección de anomalías para protocolos propietarios de control industrial [PDF]

open access: yes, 2014
Las Infraestructuras Críticas, ofrecen servicios esenciales para el funcionamiento de sociedades modernas y se controlan mediante Sistemas de Control Industrial.
Arenaza Nuño, Ignacio   +4 more
core  

The Popular Economy and Its Critics: Cooperation and Contradiction in the Sandinista Welfare‐Developmentalist State

open access: yesAntipode, Volume 58, Issue 2, March 2026.
ABSTRACT The popular economy is a subjective economic community in Nicaragua. It is sustained by the imaginative and material labors of worker‐producers organized in households, cooperatives, and other self‐managing associations. This article demonstrates the popular economy's importance to the format of work, wealth, and welfare in contemporary ...
Jonah Walters
wiley   +1 more source

Electropolymerization of PPy, PEDOT, and PANi on WO3 nanostructures for high-performance anodes in Li-ion batteries

open access: yesHeliyon
In this research work, four distinct WO3 electrodes were synthesized and coated with three different polymers, known as polypyrrole (PPy), poly(3,4-ethylenedioxythiophene) in poly(4-styrenesulfonate) (PEDOT:PSS) and polyaniline (PANi), using ...
Gemma Roselló-Márquez   +3 more
doaj   +1 more source

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