Results 131 to 140 of about 2,064 (290)

Las ranas mono en Argentina [PDF]

open access: yes, 2013
Las ranas mono son muy llamativas y por esta razón, imágenes de estas ranas son comunes en impresiones de sellos postales, pósters, tarjetas, remeras y para hacer caricaturas.
Fabrezi, Marissa   +3 more
core  

Fair Markets and Resilient Supply Chains: Designing Sustainable Intermediation for Rural Communities

open access: yesSustainable Development, EarlyView.
ABSTRACT Agriculture in Ecuador's communes faces significant economic, social, and environmental challenges, intensified by supply chains dominated by traditional intermediaries. The lack of context‐specific sustainability studies further increases the vulnerability of smallholders.
Jacqueline del Rocío Bacilio Bejeguen   +3 more
wiley   +1 more source

The Impact of ESG on Green Innovation: The Mediating Roles of Digitalization and Information Disclosure

open access: yesSustainable Development, EarlyView.
ABSTRACT This study examines how ESG performance influences green innovation, focusing on its underlying mechanisms and heterogeneous effects across firms and regions. Using panel data for Chinese A‐share listed companies from 2009 to 2023, we employ a two‐way fixed effects model and use ESG fund exposure as an instrumental variable to support causal ...
Yingying Ouyang   +4 more
wiley   +1 more source

Diferencias morfológicas entre especies crípticas de los géneros Pleurodema y Physalaemus

open access: yesActa Zoológica Lilloana, 1970
El autor, utilizando su método biométrico, ha intentado descubrir diferencias morfológicas entre tres pares de especies crípticas. Como era de esperar, son muy pocos, y algunos probablemente nunca se hubieran descubierto de otra manera, porque ...
Raymond F. Laurent
doaj  

Proyecto "Todo sobre las Ranas"

open access: yes
Presentación diseñada para compartir la Documentación del Proyecto “Todo sobre las Ranas” realizado por los alumnos y alumnas de Infantil cuatro años.13 - Acció per al Clima6 - Aigua Neta i Sanejament4 - Educació de ...
Navarro Villegas, Irene
core  

PIGR-19-16 - Impactos del calentamiento global: Redundancia trófica entre dietas presentes y futuras de ranas aposemáticas. [PDF]

open access: yes, 2019
Objetivo general - Predecir las dietas de las ranas dado los cambios en composición de comunidades de hormigas.
GUERRA ALOMOTO, MONICA ALEXANDRA   +3 more
core  

Agrivoltaic Lettuce Production Under Future Climates: A Sustainable Strategy for Optimizing Food and Energy Yields

open access: yesSustainable Development, EarlyView.
ABSTRACT Food system resilience is increasingly challenged by climate change and global trade volatility, even in high‐income nations like Canada. Agrivoltaics—co‐locating crops and photovoltaics (PV)–offers a sustainable production strategy to optimize land use and address both food and energy security.
Uzair Jamil   +4 more
wiley   +1 more source

Rana

open access: yes, 2016
Målet med arbejdet præsenteret i denne afhandling, er at beskrive udviklingen af et stykke open-source programmel ved navn Rana. Rana er et værktøj til design og simulering af real-tids multi-agent systemer. Multi-agent systemer er en gren indenfor kunstig intelligens hvor fokus er flyttet fra den enkelte agent, til de emergente mønstre der kan opstå i
openaire   +1 more source

Influence of Steel Recycling on Phase Transformation in Medium‐Manganese Third‐Generation Advanced High‐Strength Steels

open access: yessteel research international, EarlyView.
On the pathway to climate‐neutral steel production, recycling fractions will necessarily increase over time. Since alloying elements will enrich progressively, as they cannot be removed economically from the melt, processes need to be adjusted.
Anindita Chakraborty   +3 more
wiley   +1 more source

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