Results 91 to 100 of about 1,013,331 (386)

State‐of‐the‐Art, Insights, and Perspectives for MOFs‐Nanocomposites and MOF‐Derived (Nano)Materials

open access: yesAdvanced Materials, EarlyView.
Different approaches to MOF‐NP composite formation, such as ship‐in‐a‐bottle, bottle‐around‐the‐ship and in situ one‐step synthesis, are used. Owing to synergistic effects, the advantageous features of the components of the composites are beneficially combined, and their individual drawbacks are mitigated.
Stefanos Mourdikoudis   +6 more
wiley   +1 more source

Gestión del Tiempo e Interacción del Profesor-Alumno en la Sala de Clases de Establecimientos de Jornada Escolar Completa en Chile

open access: yesRevista Iberoamericana sobre Calidad, Eficacia y Cambio en Educación, 2016
Uno de los componentes de La Reforma Educativa que se lleva a cabo en Chile es la Jornada Escolar Completa (JEC). Desde 1997, y en forma gradual, se han incorporado a este régimen 6.718 escuelas y liceos (80% de universo) y se espera que en el año 2010 ...
Sergio Martinic, Claudia Vergara
doaj  

Innovación tecnológica: Reflexiones teóricas

open access: yesRevista Venezolana de Gerencia, 2019
Esta investigación, se centra en caracterizar la innovación tecnológica como aspecto esencial en las organizaciones modernas. Desde la perspectiva metodológica, la investigación es cualitativa, de corte documental-bibliográfica, parte de la revisión de ...

semanticscholar   +1 more source

Design issues and experimental characterization of a continuously-tuned adaptive CMOS LNA [PDF]

open access: yes, 2010
This paper presents the design implementation and experimental characterization of an adaptive Low Noise Amplifier (LNA) intended for multi-standard Radio Frequency (RF) wireless transceivers.
Becerra Álvarez, Edwin C.   +2 more
core  

On a predator prey model with nonlinear harvesting and distributed delay [PDF]

open access: yes, 2018
A predator prey model with nonlinear harvesting (Holling type-II) with both constant and distributed delay is considered. The boundeness of solutions is proved and some sufficient conditions ensuring the persistence of the two populations are established.
Caraballo Garrido, Tomás   +2 more
core   +1 more source

Acid/Base‐Responsive Circularly Polarized Luminescence Emitters with Configurationally Stable Nitrogen Stereogenic Centers

open access: yesAdvanced Materials, EarlyView.
Circularly Polarized Luminescence (CPL) emitters based on Tröger's base analogues bearing two peripheral fluorophores (anthracene, pyrene or 9,9‐dimethylfluorene) are prepared following a straightforward and versatile synthetic approach from common precursors.
Pablo García‐Cerezo   +11 more
wiley   +1 more source

Sistema nacional de inovação do Brasil

open access: yesColeção Meira Mattos, 2018
Estratégias de desenvolvimento e de defesa são indissociáveis, e a mola propulsora dessas estratégias é a inovação. Em um mundo globalizado no qual pululam novas e desafiadoras ameaças assimétricas que se somam às antigas, tradicionais e cada vez mais ...
Juraci Ferreira Galdino
doaj  

Liderazgo: una clave para la innovación y el cambio educativo

open access: yesRevista de Investigación Educativa, 2019
Este artículo constituye una revisión temática desde el punto de vista experiencial del impacto del liderazgo en el ámbito educativo y muy especialmente en los procesos de innovación y en el campo educativo.
A. Sánchez
semanticscholar   +1 more source

Insuficiencias de innovación [PDF]

open access: yes
(Disponible en idioma inglés únicamente) Existe la idea corriente de que la baja productividad o un nivel bajo de crecimiento se deben a lo que cabría describir de `insuficiencia de innovación`, que usualmente se identifica como un nivel de inversión en ...
Andrés Rodríguez-Clare   +1 more
core  

Halide Perovskite Photocatalysts for Clean Fuel Production and Organic Synthesis: Opportunities and Challenges

open access: yesAdvanced Materials, EarlyView.
This review provides the state‐of‐the‐art overview of halide perovskite‐based photocatalysts for hydrogen production from water and halogen acid solutions, CO2 reduction into value‐added chemicals, and organic chemical transformations. Different types of halide perovskite photocatalysts and their relative efficiencies for hydrogen generation and CO2 ...
Siddharth Singh   +8 more
wiley   +1 more source

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