Results 51 to 60 of about 3,772,126 (389)

Synergetic Combination of Carbon Xerogels, Graphene Oxide and nano‐ZnO for Aqueous and Organic Supercapacitors

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
This work proposes the synthesis of carbon‐based nanostructured materials obtained using ZnO as both nanos‐ template and catalysts simultaneously. During the synthesis, GO was used as a stabiliser, preventing the collapse of the 3D structure and improving its properties in terms of capacitance and surface area.
Rusbel Coneo‐Rodríguez   +5 more
wiley   +1 more source

La importancia del sistema de control interno en las compañías del sector farmacéutico [PDF]

open access: yes, 2013
Para demostrar la importancia del sistema de control interno en las compañías del sector farmacéutico, se analizan casos en las compañías que carecen de un sistema de control interno, así mismo se analizan los antecedentes, la definición, tipos de ...
Guzmán Martínez, Guerly Patricia
core  

Differentiated policy implementation in food safety and animal welfare policymaking

open access: yesEuropean Policy Analysis, EarlyView.
Abstract Agri‐food policies are in the midst of far‐reaching transitions, including the transformation towards sustainable production and food consumption. The European Green Deal and Farm to Fork Strategy prioritize food safety and animal welfare issues, aiming to transform food systems towards more sustainability.
Giulia Bazzan, Colette S. Vogeler
wiley   +1 more source

On the Applicability of the Advocacy Coalition Framework for Analyzing EU Policy Processes

open access: yesEuropean Policy Analysis, EarlyView.
ABSTRACT Initially developed for the US context, the Advocacy Coalition Framework (ACF) is increasingly used to analyze policy processes in the EU. But policymaking in EU differs from the US context, why the applicability of ACF in the EU context should be scrutinized.
Fredrik von Malmborg
wiley   +1 more source

Sistema de control de presa

open access: yes, 2011
El proyecto consiste en un conjunto de cuatro tipos de motas cuya clasificación viene determinada por el área que controlan y un terminal central ejecutando Linux que ofrecerá la posibilidad de consultas vía WorldWideWeb a través del protocolo de hipertexto.
openaire   +2 more sources

Sistema de control integrado de transporte (INTRACONS) [PDF]

open access: yes, 2015
En el Área Metropolitana de Monterrey actualmente el 60% de los desplazamientos que se realizan diariamente es usando el transporte público, sin embargo al realizar una evaluación de la calidad el 69% de los usuarios lo califican como ineficiente, el 66%
García Martínez, Alejandro   +6 more
core  

Continuities in Policies and Turnover Among Actors: Instrument Constituencies in French Primary Care Reforms

open access: yesEuropean Policy Analysis, EarlyView.
ABSTRACT Over the past decade, the concept of “instrument constituency” has been proposed as a way in which to bridge studies on policy networks and policy instruments. This concept focuses on policy networks composed of diverse actors who are brought together by the shared goal of promoting a specific instrument.
Noémie Morize
wiley   +1 more source

Herramienta didáctica para ensayos cuasi-estáticos de pequeños especímenes estructurales

open access: yesRevista Científica General José María Córdova, 2016
El artículo propone una herramienta didáctica para aplicar carga cuasi-estática durante ensayos de pequeños elementos y sistemas estructurales. Inicialmente, se evalúa la magnitud de las fuerzas que se aplican a los especímenes por medio de simulaciones ...
Julián Carrillo   +2 more
doaj   +1 more source

SISTEMA DIDÁCTICO DE CONTROL DE PRESIÓN [PDF]

open access: yesFormación universitaria, 2014
This paper discusses a didactic pressure control system operating with open architecture. A digital controller was used and a virtual controller was elaborated. Both software and hardware were integrated to create a flexible system which can be easily updated.
Charre-Ibarra, Saida M   +3 more
openaire   +2 more sources

Propuesta de un sistema de planificación y control de residuos en la construcción

open access: yes, 2016
La industria de construccion genera una parte significativa de los residuos solidos generados en los centros urbanos. En parte esto se debe a la falta de una cultura de reduccion de generacion o reutilizacion de los residuos.
T. Maciel, M. Stumpf, A. Kern
semanticscholar   +1 more source

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