Results 51 to 60 of about 1,256,253 (184)

El valor como magnitud [PDF]

open access: yes, 1982
"Valor" es un término ambiguo que designa conceptos dispares, entre los cuales pueden existir parentescos de diverso grado. No obstante tales conceptos tienen, en última instancia, los mismos referentes observacionales, precios efectivos y contables, que
Barceló, Alfons
core   +2 more sources

Dry Reforming of Methane Over Ceria Supported Catalysts Produced by Direct Impregnation with Leachate Solution from Spent Diesel Auto‐Catalysts

open access: yesChemCatChem, Volume 17, Issue 22, November 24, 2025.
The Pt‐containing leachate solution obtained by a hydrometallurgical recovery route of spent diesel oxidation catalysts was successfully used to fabricate Pt/CeO2 catalysts. Dry reforming of methane and reverse water gas shift tests showed good conversion efficiencies, with negligible carbon deposition after ToS experiments of several hours.
Alessio Varotto   +10 more
wiley   +1 more source

Valor econômico agregado por hospitais universitários públicos

open access: yesRAE: Revista de Administração de Empresas, 2009
A crescente atuação da sociedade nos processos de discussão e de tomada de decisões relacionados com as políticas públicas incentiva a gestão pública no Brasil a buscar mecanismos para demonstrar eficiência na aplicação de recursos (accountability). Este
Carlos Alberto Grespan Bonacim   +1 more
doaj   +2 more sources

Valorizacion de empresas, el caso CTC [PDF]

open access: yes, 1999
102 p.El objetivo del presente trabajo es poder determinar el valor económico de la empresa CTC S.A., lo cual se realizara mediante el desarrollo de una metodología que pueda convertirse en una herramienta concreta para el apoyo en la toma de decisiones ...
Aranda Soto, Juan Carlos   +2 more
core  

Ecologic Traits Analysis for Identifying Rodent Hosts for Arenavirus and Hepacivirus in the Americas

open access: yesBiotropica, Volume 57, Issue 6, November 2025.
Over half of emerging human pathogens originate from wildlife, with rodents serving as key zoonotic hosts. This study used ecological trait‐based models to identify rodent traits associated with arenavirus and hepacivirus infections and detect potential host species across the Americas, our models achieve high predictive accuracy (AUC = 0.92–0.96).
María del Carmen Villalobos‐Segura   +3 more
wiley   +1 more source

MODELO CONCEITUAL DE MENSURAÇÃO DO RESULTADO ECONÔMICO EM ENTIDADES PÚBLICAS

open access: yesABCustos, 2008
A crescente atuação da sociedade nos processos de discussão e de tomada de decisões relacionados com as políticas públicas incentiva a gestão pública no Brasil a buscar mecanismos para demonstrar eficiência e transparência na aplicação de recursos ...
Carlos Alberto Grespan Bonacim   +2 more
doaj   +1 more source

¿Es el EVA, realmente, un indicador del valor económico agregado? [PDF]

open access: yes, 2014
En este artículo se hace un análisis sobre la validez del EVA (Economic Value Added) como una medida del valor generado, y de su utilidad para la evaluación de proyectos de inversión.
Herrera, Hernán
core  

Mismanagement amid resource abundance: Sovereign risk, private sector credit rationing, and economic stagnation in Colombia, 1861‒98

open access: yesThe Economic History Review, Volume 78, Issue 4, Page 1118-1150, November 2025.
Abstract This article examines the relationship between national politics, sovereign default, credit rationing, and their effects on fiscal revenues and exports in nineteenth‐century Colombia. Using quantitative and qualitative analysis, it challenges existing narratives on Colombia's lack of sustained nineteenth‐century export‐led development, showing
Andrew Primmer
wiley   +1 more source

Prioritization of Users in Ecosystem Service Valuation: Implications for the Design of Differentiated Conservation Policies

open access: yesEcology and Evolution, Volume 15, Issue 10, October 2025.
These findings support the proposal of differentiated conservation strategies aligned with the social priorities of various educational groups. It is concluded that public conservation policies must incorporate the diversity of social perceptions as an essential element for achieving sustainable and participatory environmental management.
Blanca Isabel Sánchez Toledano   +3 more
wiley   +1 more source

Recuperação de água industrial utilizando tecnologia de membranas [PDF]

open access: yes, 2012
São descritos resumidamente os fundamentos sobre membranas e processos de separação com membranas. As aplicações mais frequentes dos processos de separação com membranas no tratamento de água residual industrial são discutidos.
Ribau Teixeira, Margarida   +1 more
core  

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