Results 91 to 100 of about 2,205,113 (298)

Diversidade genética da soja entre períodos e entre programas de melhoramento no Brasil. [PDF]

open access: yes, 2011
O objetivo deste trabalho foi detectar os efeitos do melhoramento sobre a diversidade do germoplasma da soja cultivada nas três ultimas décadas, por meio da comparação de seis programas de melhoramento e períodos de lançamento de cultivares, utilizando ...
CONTEL, E. P. B.   +4 more
core  

Enhanced Resistive Switching Uniformity in Tantalum Oxide Memristor Devices via Copper Implantation

open access: yesAdvanced Electronic Materials, EarlyView.
Metal oxide memristor devices typically suffer from uncontrolled forming processes and limited resistive switching uniformity due to the stochastic formation of an oxygen vacancy filament. Improved resistive switching uniformity in Ta2O5 memristor is developed by Cu implantation in the switching oxide.
Shaochuan Chen, Ilia Valov
wiley   +1 more source

Programas de transferencia de ingresos. ¿Más condicionalidades y menos derechos para madres pobres? [PDF]

open access: yes, 2008
Desde fines de los años noventa, en América Latina se comenzaron a implementar una serie de programas sociales de transferencia de ingresos condicionados.
Zibecchi, Carla
core  

Integrating Automated Electrochemistry and High‐Throughput Characterization with Machine Learning to Explore Si─Ge─Sn Thin‐Film Lithium Battery Anodes

open access: yesAdvanced Energy Materials, Volume 15, Issue 11, March 18, 2025.
A closed‐loop, data‐driven approach facilitates the exploration of high‐performance Si─Ge─Sn alloys as promising fast‐charging battery anodes. Autonomous electrochemical experimentation using a scanning droplet cell is combined with real‐time optimization to efficiently navigate composition space.
Alexey Sanin   +7 more
wiley   +1 more source

Catalysts for Change: Three Case Studies of Quality Education Worldwide [PDF]

open access: yes, 2007
Public education is the cornerstone of democracy and is absolutely fundamental to a democratic, civil and prosperous society. Beyond the boundaries of the United States, other countries are working to provide quality education to their children through ...

core  

Large Language Model‐Based Chatbots in Higher Education

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
The use of large language models (LLMs) in higher education can facilitate personalized learning experiences, advance asynchronized learning, and support instructors, students, and researchers across diverse fields. The development of regulations and guidelines that address ethical and legal issues is essential to ensure safe and responsible adaptation
Defne Yigci   +4 more
wiley   +1 more source

Programas de postgrado de la Universidad Distrital, Facultad de Ciencias y Educación, Maestría en Investigación Interdisciplinaria en Ciencias Humanas con énfasis en el Proceso de Formación de la Nación Colombiana

open access: yesEnunciación, 1997
La necesidad de abordar el conocimiento acerca de diversos aspectos de la realidad colombiana de manera rigurosa, ha conducido a que numerosas instituciones tanto del sector público como privado, recomienden la consolidación de comunidades científicas ...
Marcos González Pérez   +2 more
doaj   +1 more source

Programas de reabilitação na artroplastia metacarpofalângica [PDF]

open access: yes, 2013
A artroplastia metacarpofalângica com implante de silicone é a cirurgia de substituição articular mais comum ao nível da mão nos doentes com Artrite Reumatoide.
Amorim, S.   +4 more
core  

Microrobotic Catheterization of the Ophthalmic Artery for Targeted Treatment of Retinoblastoma

open access: yesAdvanced Intelligent Systems, EarlyView.
A microrobotic platform is presented that allows teleoperated and autonomous navigation of flow‐driven magnetic microcatheters, MagFlow, into the ophthalmic artery for superselective intra‐arterial infusion of chemotherapy to treat retinoblastoma. Extensive benchtop validations with patient‐derived biomimetic phantoms under optical and fluoroscopic ...
Artur Banach   +5 more
wiley   +1 more source

Análisis crítico del programa de la asignatura Ontogenia Humana y Sistema Osteomioarticular

open access: yesEdumecentro, 2021
Introducción: el análisis crítico del programa contribuye al perfeccionamiento curricular, además tiene un valor agregado al aportar una herramienta diagnóstica al profesor sobre el desarrollo del proceso enseñanza aprendizaje.
Aimé González Santiesteban   +3 more
doaj  

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