Results 101 to 110 of about 21,930 (295)

The Intricate Sabatier Optimality of Anion Electroreduction and Its Consequences for Nitrate Reduction

open access: yesAngewandte Chemie, EarlyView.
The Sabatier principle and volcano plots declare that optimal electrocatalysis is found in the middle between strong and weak binding of key intermediates. However, it is shown here that during anion electroreduction, strong and weak binding are potential‐dependent concepts and volcanoes are mobile.
Mattia Salomone   +2 more
wiley   +2 more sources

Internet and Africa: from the gap to digital hope. Networks and communication freedom / Internet y África: de la brecha a la esperanza digital. Redes, libertades y comunicación

open access: yesIndex Comunicación, 2013
With a critical and comparative perspective, the article outlines the digital universe reality in Africa, taking into account regional differences.
Antonio García Jiménez   +2 more
doaj  

Estimation of vineyard water status (Vitis vinifera L. cv. Tempranillo) from the developmental stage of the shoot tips

open access: yesOENO One, 2010
Aims: An experiment was set up to evaluate the visual assessment of « shoot tip stage » as a method to estimate the water status of vineyards and its utility in vineyard management. The specific objectives were (1) determining the functional relationship
Fernando Martínez de Toda   +2 more
doaj   +1 more source

Good governance in the entities of the social economy [PDF]

open access: yes
Entities of the Social Economy are ruled by practices of collective action and democratic participation within the framework of what is known as good governance. This is based on a set of values and principles belonging to the organisations.
Juan Briones Peñalver   +1 more
core  

Boletín oficial de la provincia de León: Num. 7 (15/01/1919) [PDF]

open access: yes, 1919
Copia digital. Valladolid : Junta de Castilla y León.
León (Provincia). Diputación Provincial
core   +1 more source

3D Printed PEDOT:PSS‐Based Lattice Pressure Sensors With Tunable Electromechanical Response

open access: yesAdvanced Materials Technologies, EarlyView.
poly(3,4‐ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS)‐based architected lattices are fabricated via single‐step Digital Light Processing (DLP) printing for tunable pressure sensing. Structural design variations allow precise control of sensitivity and range, while integrated conductivity eliminates post‐processing.
Ozan Karakaya   +9 more
wiley   +1 more source

A Negatively Curved Pyrene‐Fused Azaacene

open access: yesAngewandte Chemie, EarlyView.
A pyrene‐fused azaacene derivative is reported in which steric overcrowding caused by eight phenyl substituents induces bending of the aromatic framework rather than twisting. ABSTRACT Non‐planar aromatic hydrocarbons display distorted π‐frameworks that give rise to unique optoelectronic properties.
Marco Carini   +3 more
wiley   +2 more sources

Elaboración de Criterios Epidemiológicos para Estratificar por Departamento el Riesgo Poblacional de Dengue Grave [PDF]

open access: yesRevista Argentina de Salud Pública, 2019
En Argentina desde 1998 ocurrieron brotes de dengue todos los años excepto 2001 y 2005 en diferentes áreas, en 15 jurisdicciones, con identificación de los 4 serotipos.
Teresa Varela   +4 more
doaj  

Diretrizes Nacionais e nível maturidade do Governo Eletrônico na Argentina, Brasil e Paraguai [PDF]

open access: yes, 2017
Anais I CIDESP - Congresso Internacional de Desempenho do Setor Público, realizado em Florianópolis, SC - Brasil nos dias 04 e 06 de setembro de 2017Para os fins desta proposta, em termos gerais, interessa captar o governo eletrônico (e-gov), sendo uma ...
Nicolás, María Alejandra   +1 more
core  

Controlling Film Formation in Inkjet‐printed MAPbBr3 Through Graphene Incorporation for Enhanced Photodetection

open access: yesAdvanced Materials Technologies, EarlyView.
This work highlights the impact of incorporating graphene nanoflakes into precursor inks of MAPbBr3 for inkjet‐printed optoelectronic device applications. A substantial modification of the crystallization dynamics is reported despite miniscule concentrations.
Kenneth Lobo   +12 more
wiley   +1 more source

Home - About - Disclaimer - Privacy