Results 61 to 70 of about 703,045 (309)

Innovative electrospun geopolymer/zeolite/PVA composite membranes

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Proposed scheme of gas adsorption mechanisms on electrospun geopolymer/zeolite/PVA composite membranes. Abstract Innovative electrospun poly(vinyl alcohol) (PVA)–geopolymer–zeolite 13X composite membranes were successfully fabricated and systematically characterized.
Mariana Schneider   +7 more
wiley   +1 more source

Eficiencia biológica de cepas nativas de Trichoderma spp., en el control de Sclerotium rolfsii Sacc., en cacahuate

open access: yesAIA Avances en Investigación Agropecuaria, 2013
En el control de Sclerotium rolfsii Sacc., se evaluó el efecto antagónico de aislados nativos de Trichoderma spp., bajo condiciones in vitro y de invernadero, en la zona Norte del estado de Guerrero. Se obtuvieron doce aislados nativos de Trichoderma spp.
A. C. Michel-Aceves   +4 more
doaj  

Restricted Tweedie stochastic block models

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract The stochastic block model (SBM) is a widely used framework for community detection in networks, where the network structure is typically represented by an adjacency matrix. However, conventional SBMs are not directly applicable to an adjacency matrix that consists of nonnegative zero‐inflated continuous edge weights.
Jie Jian, Mu Zhu, Peijun Sang
wiley   +1 more source

Niveles de asimilación económica del estado de Guerrero

open access: yesInvestigaciones Geográficas, 1998
La teoría de la asimilación económica del territorio es una manera nueva de interpretar la realidad regional del país. Este estudio tiene por finalidad obtener una imagen cartográfica sintética de Guerrero, basada en la consideración de los preceptos ...
Enrique Propin Frejomil   +1 more
doaj  

To What Extent Does ESG Performance Influence Board Engagement in Acquisition Activity?

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines the relationship between boards and corporate acquisition activity. Specifically, we posit that boards with directors who have been politicians positively influence the propensity to pursue acquisitions and that ESG performance (divided into environmental, social, and governance scores) moderates this relationship.
Leticia Pérez‐Calero   +4 more
wiley   +1 more source

Aspersión foliar de nanoestructuras con zinc en plántulas de pepino (Cucumis sativus)

open access: yesEcosistemas y Recursos Agropecuarios
Se estudió el efecto de la aspersión foliar de nanoestructuras con zinc (ZnO-NE) en el crecimiento de plántulas de pepino en invernadero. Los tratamientos fueron cuatro soluciones elaboradas mediante nanoestructuras con zinc (ZnO-NE) obtenidas por ...
Arelis Quirino-García   +5 more
doaj   +1 more source

Música de Chiapas [PDF]

open access: yes, 1949
Fil: Guerrero, Raúl G.
Guerrero, Raúl G.
core  

Walking the Tightrope of Sustainability Reporting Standardization: Insights From Italian Small and Medium‐Sized Enterprises

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study investigates the challenges and support needs of small and medium‐sized enterprises (SMEs) in adopting standardized sustainability reporting, taking the European Sustainability Reporting Standards (ESRS) as an empirical case of formal standardization.
Filippo Cavaliere   +2 more
wiley   +1 more source

¿Qué hay en un nombre?”: una apología del performance

open access: yesAlteridades, 2014
“What’sina name?”: an apologyfor performance. star­ting from an etymological revision and an overview of the history of performance studies, I critique the use of representación and puesta en escena as substitutes for performance, since these ...
Anne W. Johnson
doaj  

Facial emotion recognition: spanish psychometric validation of a NIMSTIM stimuli subset. [PDF]

open access: yes, 2019
Treball Final de Grau en Psicologia. Codi: PS1048. Curs: 2018/2019.Facial expressions are used to guide us and make us to understand the experiences that others have towards us, and also to lead our behavior in an adaptive way. Facial expressions have a
Bayarri Guerrero, Carlos
core  

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