Results 171 to 180 of about 4,865,607 (338)

Decoding the Structure of Benzodithiophene Polymers for High‐Efficiency Organic Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
This study reveals a unique solid mesophase in top‐performing benzodithiophene‐based polymers for solar cells, comprising stacked solid‐like and liquid‐like layers. Combining nanoscale fibrillar domains with amorphous regions, it introduces a new structural paradigm.
Matteo Sanviti   +16 more
wiley   +1 more source

Genotypic Characterization of Non-O157 Shiga Toxin–Producing Escherichia coli in Beef Abattoirs of Argentina [PDF]

open access: yes, 2011
The non-O157 Shiga toxin-producing Escherichia coli (STEC) contamination in carcasses and feces of 811 bovines in nine beef abattoirs from Argentina was analyzed during a period of 17 months.
Carbonari, Claudia Carolina   +9 more
core   +2 more sources

El futuro de la financiación de la investigación del cáncer en países de bajos y medianos ingresos

open access: yesGaceta Mexicana de Oncolog�a
Los recientes acontecimientos en todo el mundo, y en particular en EE.UU., han generado una enorme preocupación sobre el futuro de la salud global y planetaria. La retirada de EE.UU. de la Organización Mundial de la Salud (OMS), junto con la suspensión de numerosos paneles de revisión de los Institutos Nacionales de Salud (NIH) y la retirada de la ...
openaire   +2 more sources

El uso del estudio de caso/s y la elaboración de informes en investigación psicoeducativa [PDF]

open access: yes, 2016
Fil: Cardós, Paula Daniela. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.
Borzi, Sonia Lilian   +2 more
openaire  

Micropatterned Biphasic Printed Electrodes for High‐Fidelity on‐Skin Bioelectronics

open access: yesAdvanced Functional Materials, EarlyView.
Micropatterned biphasic printed electrodes achieve unprecedented skin conformity and low impedance by combining liquid‐metal droplets with microstructured 3D lattices. This scalable approach enables high‐fidelity detection of ECG, EMG, and EEG signals, including alpha rhythms from the forehead, with long‐term comfort and stability.
Manuel Reis Carneiro   +4 more
wiley   +1 more source

IX Congreso sobre Investigación en Didáctica de las Ciencias [PDF]

open access: yes, 2013
Del 9 al 12 de setembre de 2013 es celebrarà la 9a edició del Congrés Internacional sobre recerca en Didàctica de les Ciències, organitzat per la revista "Enseñanza de las Ciencias".
Congreso sobre Investigación en Didáctica de las Ciencias
core   +1 more source

Investigación acción

open access: yesRevista Realidad Educativa, 2022
Ernesto Suárez
semanticscholar   +1 more source

Ladder‐Type Benzene‐Perylene Dyes with Efficient Laser Properties in the Near‐IR by Detracting/Activating Low/High Frequency Vibronic Modes

open access: yesAdvanced Functional Materials, EarlyView.
The NNR‐n series of oligomeric nanographenes delivers exceptional emission performance. This work shows that this performance is originated by their ladder‐type structure, which effectively deactivates low‐frequency vibronic modes. This deactivation neglects the main pathway for non‐emissive deactivation, even in the near‐infrared region. The potential
Marcos Díaz‐Fernández   +12 more
wiley   +1 more source

Applying MDE tools to defining domain specific languages for model management [PDF]

open access: yes, 2013
In the model driven engineering (MDE), modeling languages play a central role. They range from the most generic languages such as UML, to more individual ones, called domain-specific modeling languages (DSML).
Giandini, Roxana Silvia   +3 more
core   +2 more sources

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