Results 51 to 60 of about 2,910,985 (350)

Proton‐Coupled Electron Transfer Processes in the Decarboxylative Synthesis of C‐4 Substituted Chroman‐2‐Ones

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
This research presents a new mild photocatalytic method enables C‐4 alkylation of chroman‐2‐one derivatives with primary alkyl radicals. This radicals are generated via oxidative PCET process. Developed approach offers broad substrate scope, scalability under photo‐flow conditions, and mechanistic evidence supports a decarboxylation pathway under polar
Ewelina Kowalska   +4 more
wiley   +1 more source

Regulatory reform policies for developing market process: The ecuadorian case

open access: yesRehuso, 2022
Market processes suggest legal figures that are applied effectively and efficiently. In the Ecuadorian case, it is essential for legal institutions to be strong, which implies formality and stability.
Lissangee Stefanía Mendoza García   +4 more
doaj  

Consolidation of an EV Project Based Learning program integrated within a complete Bachelor Engineering Degree [PDF]

open access: yes, 2017
Proyecto docente para el aprendizaje de competencias fundamentales de la ingeniería a través del aprendizaje basado en un proyecto multianual y multidisciplinar coordinado sobre las asignaturas troncales de este tipo de grados.
Andrés-Díaz, José Ramón   +4 more
core  

Autoestima, motivación e inteligencia emocional: Tres factores influyentes en el diseño exitoso de un proyecto de vida de jóvenes estudiantes de educación media

open access: yes, 2016
El objetivo de este estudio es evidenciar los factores que permiten a las generaciones jovenes llevar a cabo, de manera efectiva, sus proyectos de vida, planteandose metas a corto, mediano y largo plazo.
Andrea Magdalena Lomelí-Parga   +2 more
semanticscholar   +1 more source

Vulnerabilidad sísmica del patrimonio edificado del Centro Histórico de la Ciudad de Cuenca: Lineamientos generales y avances del proyecto

open access: yesMASKANA, 2018
Cuenca es una ciudad con alta amenaza sismica, vulnerable ante sismos, en particular su Centro Historico, como pudo constatarse en un estudio de vulnerabilidad sismica llevado a cabo, como parte del proyecto P-BID 400 Amenaza sismica en el Austro ...
J. Jiménez   +3 more
semanticscholar   +1 more source

Proyectos orales [PDF]

open access: yesIX Jornadas sobre Innovación Docente en Arquitectura (JIDA'21), Escuela Técnica Superior de Arquitectura de Valladolid, 11 y 12 de Noviembre de 2021: libro de actas, 2021
The approach of using the oral history to share knowledge, experience, and understanding has long been understood and accepted as a valid construct in historic traditions. Introducing it into the architectural studio as a means of accessing experience, sharing insights, and transcending the drawn or build construct can be enlightening, both for the ...
openaire   +2 more sources

Multiobjective Environmental Cleanup with Autonomous Surface Vehicle Fleets Using Multitask Multiagent Deep Reinforcement Learning

open access: yesAdvanced Intelligent Systems, EarlyView.
This study presents a multitask strategy for plastic cleanup with autonomous surface vehicles, combining exploration and cleaning phases. A two‐headed Deep Q‐Network shared by all agents is traineded via multiobjective reinforcement learning, producing a Pareto front of trade‐offs.
Dame Seck   +4 more
wiley   +1 more source

The implementation of storytelling in the native Language to promote L2 vocabulary in older adults [PDF]

open access: yes, 2019
Este proyecto de aula presenta la implementación de la técnica de narración de cuentos utilizando mitos y leyendas colombianos para enseñar vocabulario en inglés a adultos mayores.
Caicedo Bañol, Daniel Andrés   +2 more
core  

Charged pion masses under strong magnetic fields in the NJL model [PDF]

open access: yes, 2018
The behavior of charged pion masses in the presence of a static uniform magnetic field is studied in the framework of the two-flavor NJL model, using a magnetic field-independent regularization scheme.
Coppola, Máximo   +2 more
core   +3 more sources

The Trichoptera of Panama XIV. New species of microcaddisflies (Trichoptera: Hydroptilidae) from Omar Torrijos Herrera National Park [PDF]

open access: yes, 2020
. In 2017, a new project was begun to assess the biodiversity of national parks and forest reserves in the Republic of Panama. Designated “Proyecto Sistema de Producción Sostenible Conservación de la Biodiversidad (PSPSCB)”, this project is managed by ...
Armitage, Brian J., Harris, Steven C.
core   +2 more sources

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