Results 41 to 50 of about 18,027 (164)

Miguel Letelier Valdés Premio Nacional de Arte en Música 2008 Miguel Letelier Valdés National Arts Prize in Music 2008

open access: yesRevista Musical Chilena, 2009
En este artículo se aborda la trayectoria musical de Miguel Letelier Valdés como organista, compositor y docente, además de sus actividades relacionadas con aspectos de la ecología y fenómenos de la naturaleza.
Julia Grandela del Rio
doaj  

El tejido adiposo: órgano de almacenamiento y órgano secretor

open access: yesAnales del Sistema Sanitario de Navarra, 2009
La obesidad es una enfermedad crónica que se caracteriza por un aumento de la masa grasa y en consecuencia por un aumento de peso. Existe, pues, un aumento de las reservas energéticas del organismo en forma de grasa.
M.J. Moreno, J.A. Martínez
doaj   +1 more source

Letters to the editor

open access: yesSalud Pública de México, 2016
Señor editor: Actualmente, el trasplante de órganos constituye una opción terapéutica para enfermedades crónicas que ponen en riesgo la vida de miles de personas alrededor del mundo.
Junior Smith Torres-Román   +2 more
doaj  

PROPUESTA METODOLÓGICA PARA LA ZONIFICACIÓN FUNCIONAL DE ÁREAS NATURALES PROTEGIDAS TERRESTRES DESDE LA PERSPECTIVA DEL PAISAJE

open access: yesRevista do Instituto Florestal, 2013
La división de un área natural protegida en zonas de manejo es un proceso arduo y complejo, para lo cual es necesario un sistema de evaluación y clasificación de la superficie del territorio en cuestión que permita el reconocimiento en el terreno de los
Adonis Maikel Ramón Puebla   +2 more
doaj   +1 more source

Sustainable Manufacturing Platforms for Closed‐Cycle Bioeconomy Applications

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The transition to a circular bioeconomy requires innovative production platforms that prioritize sustainability, resource efficiency, and waste minimization. Organic waste from agriculture, aquaculture, and food production represents an underutilized feedstock for biomanufacturing, contributing to a circular economy.
Yelizaveta Chernysh   +2 more
wiley   +1 more source

Carbon Dot Nano‐Spacers in Triazine Networks for Integrated Photothermal Seawater Desalination and H2O2 Production

open access: yesCarbon Energy, EarlyView.
Cyanated carbon dots (CN‐CDs) are synthesized by the hydrothermal method with carboxymethyl cellulose and cyanobenzoic acid, and CD‐CTN is obtained in situ via cyclotrimerization of CN‐CDs. CD‐CTN possesses excellent photothermal catalytic H2O2 production in seawater, and desalted H2O2 could be obtained, which demonstrates the practical application for
Xiaoxia Chen   +13 more
wiley   +1 more source

Estudio de la ultraestructura del órgano de corti de ratas con hipotiroidismo experimental

open access: yesUniciencia, 1987
** No ...
María de los Ángeles Villalobos Müller
doaj  

Cation‐Directed Host–Guest Assembly and Reversible Wheel to Cluster Interconversion in a 20‐Molybdate System

open access: yesChemistry – A European Journal, EarlyView.
The polyoxo‐20‐molybdate(VI) wheel [MoVI20O60{AsO2(CH3)2}12]12− (Mo20) can be prepared with or without a central guest in a controlled, cation‐directed fashion. When Mo20 is dissolved in water, it exhibits an immediate, quantitative, and fully reversible solution transformation to a tetranuclear Mo4 cluster, which transforms in the solid state again to
Arun Pal   +12 more
wiley   +1 more source

Impact of Organo‐Functionalization on the Light‐Driven Hydrogen Evolution Reactivity of Molecular Molybdenum Sulfides

open access: yesChemistry – A European Journal, EarlyView.
Organo‐functionalized molecular molybdenum sulfides were synthesized using bidentate N‐donor ligands and investigated as light‐driven homogeneous hydrogen evolution reaction (HER) catalysts. Trends observed in the HER activity of these catalysts were elucidated by combining photophysical, electrochemical and computational studies.
Moritz Jahn   +9 more
wiley   +1 more source

Nickel‐Catalyzed Reductive Cross‐Coupling of Xanthate Esters With Aryl and Alkenyl Iodides

open access: yesChemistry – A European Journal, EarlyView.
A nickel‐catalyzed reductive cross‐coupling of xanthate esters and aryl/alkenyl iodides is reported without the need for separate activators for the xanthate esters. The reaction utilizes a relatively low catalyst loading. Diarylmethanes with a good functional group variety can thus be synthesized indirectly from the corresponding benzylic alcohols ...
Felix Vöhringer   +4 more
wiley   +1 more source

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