Results 81 to 90 of about 37,740 (296)

Aminosulfonated Graphene as a Catalyst for Efficient Production of Biodiesel from Fatty Acids and Crude Vegetable Oils

ChemSusChem, EarlyView.
The covalent integration of amino and sulfonate groups on the graphene surface significantly enhances activity in acid‐catalyzed reactions, such as in biodiesel production and dehydration of saccharides. Developing such heterogeneous, recyclable catalysts is vital, as acid catalysis represents one of the most general and versatile strategies in organic
Aby Cheruvathoor Poulose, Hugo Bares, Dagmar Zaoralová, Ivan Dědek, Michal Otyepka, Aristides Bakandritsos, Radek Zbořil   +6 more
wiley   +1 more source

Synthesis of Lithium manganese oxide (LMO) and Ti‐Substituted LMO Sorbents (LMTO) for Lithium Extraction in a Spray Drying Process

ChemSusChem, Accepted Article.
Lithium manganese oxides (LMO) are highly promising sorbents for lithium extraction from Li+‐containing brines with high salt contents due to their high sorption capacity and high selectivity towards lithium. However, conventional synthesis routes are limited in scale.
Laura Herrmann, Nicole Bohn, Alina Pfau, Thomas Kölbel, Helmut Ehrenberg, Joachim Binder, Fabian Jeschull   +6 more
wiley   +1 more source

Barriers to Antiretroviral Medication Adherence in People Living with HIV (PLHIV) at the Time of the COVID-19 Pandemic in the Philippines. [PDF]

Trop Med Infect Dis, 2023
Joves PJM, Matulac MO, Pagcatipunan RS.
europepmc   +1 more source

El català mola si mola el que fem en català… o no

Treballs de Sociolingüística Catalana, 2013
Tot i que hi ha àmbits, com la música i la ràdio, en què els joves disposen d’una gran oferta en català, en altres camps, com la televisió, el teatre o el cinema, hi ha hagut, durant molt de temps, un gran buit.
Oriol Grau i Elias
doaj  

Infants i joves que migren sols en temps de COVID-19. Una mirada des dels serveis

Revista Catalana de Pedagogia, 2020
La pandèmia de la COVID-19 està funcionant com una lent d’augment que ens permet veure amb major claredat tant les debilitats del sistema públic de protecció social contemporani com la importància vital de les institucions i el col·lectiu de ...
Melissa Schmidlin Roccatagliata, Marta Venceslao Pueyo, Omaira Beltrán Sánchez, Montserrat Freixa Niella, Angelina Sánchez Martí   +4 more
doaj  

T'animes a llegir? Una experiència d'animació a la lectura en Educació Primària

Didacticae, 2019
El fi principal d’aquesta proposta didàctica és promoure una forma d’educar en el gust per la lectura, coneguda com animació a la lectura. Comcretament, s’utilitza el mètode de Montserrat Sarto (Sarto, 1984, 1998), basat en tres objectius: apropar els ...
Vanessa Ortega-Quevedo, Noelia Santamaría-Cárdaba, Rosa Ortiz de Santos, Irene Martín Hidalgo, Félix Enrique Lobo de Diego   +4 more
doaj   +1 more source

6GStarLab -- A CubeSat Mission to support the development and standardization of Non-Terrestrial Networks towards 6G [PDF]

The emergence of the Non-Terrestrial Network (NTN) concept in the last years has revolutionized the space industry. This novel network architecture composed of aircraft and spacecraft is currently being standardized by the 3GPP. This standardization process follows dedicated phases in which experimentation of the technology is needed.
arxiv   +1 more source

JoVE Video Dataset [PDF]

, 2023
Thierry Oms, Tatjana Schlechtweg, Julien Cayron, Laurence Van Melderen   +3 more
  +10 more sources

Exploring Novel Engineering Strategy to Tune Hydrogen Evolution by Lattice Impacted Carbon‐Supported Rock Salt‐Type NiCo2(O,F)3 Nanorods

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A novel lattice engineering strategy is used to enhance hydrogen evolution activity of carbon‐supported NiCo2(O,F)3 nanorods. Fluorine and carbon incorporation induce lattice distortion and boost charge transfer, leading to improved catalytic performance.
Aslam Hossain, Zhengyou Li, Alexander V. Soldatov, A. K. M. Atique Ullah   +3 more
wiley   +1 more source

Joves i ràdio: l’experiència del Grup Flaix

Treballs de Sociolingüística Catalana, 2013
El Grup Flaix, que disposa de dues emissores actives (Flaix FM i Ràdio Flaixbac), ha ofert, des que es va crear, l’any 1992, tots els continguts en català.
Judith Rodríguez Vallverdú
doaj