Results 121 to 130 of about 308,817 (294)

Orden del día de la VI Asamblea Regional Brasil-Cono Sur de la Unión de Universidades de América Latina y el Caribe

open access: yes, 2021
3 páginas en PDF.Orden del día de la VI Asamblea Regional Brasil-Cono Sur de la Unión de Universidades de América Latina y el Caribe, celebrada virtualmente el 9 de noviembre de 2021 por la Unión de Universidades de América Latina y el Caribe (UDUAL), en
Archivo UDUALC
core  

Deforestation and Efficiency: Insights From Forest Transition in the Brazilian Cerrado

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper estimates technical efficiency (TE) and environmental efficiency (EE) of agricultural production at the municipal level of the Brazilian Cerrado in 2006 and 2017, and investigates their underlying mechanisms in relation to forest transition theory.
Ricardo Muniz Simões   +2 more
wiley   +1 more source

Boletín Mural de la Unión de Universidades Latinoamericanas N° 14

open access: yes, 1951
El Boletín Mural de la Unión de Universidades de América Latina y el Caribe fue una edición periódica que se publicó en una sola lámina plegable desde 1949 a 1952 en la Imprenta Universitaria, Guatemala C. A.
Unión de Universidades Latinoamericanas
core   +1 more source

Semiconducting Covalent Organic Frameworks Based on Spin‐Delocalized Trioxotriangulene Neutral Radicals

open access: yesAngewandte Chemie, EarlyView.
Imine‐linked 2D covalent organic frameworks incorporating delocalized trioxotriangulene (TOT) neutral radicals were synthesized through complementary routes. Direct incorporation of an amine‐functionalized TOT radical yields a highly crystalline, porous framework (TOT‐COF‐H) with intrinsic semiconducting behavior (σRT = 1.2 × 10−4 S cm−1) and a narrow ...
Paula Escamilla   +8 more
wiley   +2 more sources

La universidad, realidad problemática

open access: yesRevista EDUCA UMCH, 2016
The University of San Marcos de Lima asks me for a few words about “The University in the 20th century”. The occasion, its fourth centenary. The reason, the awareness that all the clear heads that move around the University have, that this is nothing simple and obvious today, that it can march without more and do the same as until now.
openaire   +4 more sources

An Autonomous Large Language Model‐Agent Framework for Transparent and Local Time Series Forecasting

open access: yesAdvanced Intelligent Discovery, EarlyView.
Architecture of the proposed large language model (LLM)‐based agent framework for autonomous time series forecasting in thermal power generation systems. The framework operates through a vertical pipeline initiated by natural language queries from users, which are processed by the LLM Agent Core powered by Llama.cpp and a ReAct loop with persistent ...
William Gouvêa Buratto   +5 more
wiley   +1 more source

Bubbles Acting as Micro End‐Effectors for Dexterous Manipulation and Sensing in Aqueous Environment

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Inspired by bubbles, this article proposes a low‐cost method for multifunctional manipulation and sensing using microbubbles in aqueous environments. Bubbles are easily generated in situ, enabling the safe and adaptive handling of microobjects and sensing of microforces and surface textures.
Zichen Xu, Qingsong Xu
wiley   +1 more source

Electrocatalytic Polarity Inversion of Azlactones: Access to α‐Quaternary Amino Acids with Electron‐Rich SOMOphiles

open access: yesAngewandte Chemie, EarlyView.
Electrocatalytic polarity inversion of azlactones unlocks their coupling with electron‐rich reaction partners. Triarylamine‐mediated oxidation of the azlactone enolate generates an electrophilic radical intermediate that undergoes selective C4 functionalization with diverse SOMOphiles.
Paula Rodríguez   +6 more
wiley   +2 more sources

Boletín Mural de la Unión de Universidades Latinoamericanas N° 17

open access: yes, 1952
El Boletín Mural de la Unión de Universidades de América Latina y el Caribe fue una edición periódica que se publicó en una sola lámina plegable desde 1949 a 1952 en la Imprenta Universitaria, Guatemala C. A.
Unión de Universidades Latinoamericanas
core   +1 more source

Understanding and treating body image disturbances in eating disorders through body illusion interventions: a scoping review protocol

open access: yesSystematic Reviews
Background We plan a scoping review aimed to synthesize what is known about the use of sensory-driven body illusion (BI) interventions for understanding and treating body image disturbance (BID) in people diagnosed with clinical eating disorders (EDs ...
Sergio Navas-León   +6 more
doaj   +1 more source

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