Results 51 to 60 of about 149,851 (214)

Formation of Vacancies in Si- and Ge-based Clathrates: Role of Electron Localization and Symmetry Breaking

, 2017
The formation of framework vacancies in Si- and Ge-based type-I clathrates is studied as function of filling the cages with K and Ba atoms using density-functional theory.
Baitinger, Michael, Bhattacharya, Amrita, Boehme, Bodo, Carbogno, Christian, Grin, Yuri, Scheffler, Matthias   +5 more
core   +1 more source

Estimating National and Foreign Trade Elasticities Using Generalized Transport Costs

Journal of Regional Science, Volume 65, Issue 2, Page 471-496, March 2025.
ABSTRACT We introduce the definition of two distinct trade elasticities corresponding to imports from regions located in the same country (national elasticities) and foreign regions located in other countries (foreign elasticities). We resort to a three‐tier nested CES utility structure to derive the corresponding demand gravity equations.
José L. Zofío, Jorge Díaz‐Lanchas, Damiaan Persyn, Javier Barbero   +3 more
wiley   +1 more source

Potential Impact of Large‐Scale Food Fortification in Ethiopia: Coverage and Knowledge of Fortifiable Foods

Maternal &Child Nutrition, EarlyView.
Coverage of fortifiable oil, salt, and wheat flour by wealth quintiles. ABSTRACT Large‐scale food fortification (LSFF) is an effective public health measure because it may reach a large number of populations at risk using current food delivery systems.
Aregash Samuel, Ramadhani Noor, Nahom Tefera, Alemayehu Hussien, Genet Gebremedhin, Mduduzi Mbuya, Endale Amare, Meseret Woldeyohannes, Getinet Fikresilassie, Meron Girma, Alemnesh Petros, Anbissa Muleta, Bedasa Tessema, Feyissa Chala, Kaleab Baye, Arnaud Laillou, Tesfaye Chuko, Getachew Tollera, Mesay Hailu, Stanley Chitekwe, Masresha Tessema   +20 more
wiley   +1 more source

Efectos agudos de fenantreno y benzo[a]pireno en Aequidens metae (Pisces: Cichlidae)

Revista Colombiana de Biotecnología
Los organismos acuáticos pueden estar expuestos a efluentes industriales que con frecuencia contienen hidrocarburos aromáticos policíclicos (HAPs). Muchos de sus efectos pueden pasar desapercibidos, por lo que, la valoración de biomarcadores permite ...
Yohana María Velasco Santamaría, Jessica Cardenas Camacho, Manuel Mauricio Peñuela-Díaz, Dumar Alexander Jaramillo-Hernández, Wilson Corredor-Santamaría   +4 more
doaj   +1 more source

Competitividad del Departamento del Meta frente al Tlc con Europa – por Fernando Salgado Fredy Meza, Juan Carlos Leal

Revista Geon, 2013
La competitividad de los países para poder acceder con mayor facilidad a los mercados globales, requieren como establece Michael Porter, la transformación de las ventajas comparativas en ventajas competitivas, las cuales se agrupan en aspectos como el ...
Fredy René Meza, Wilson Fernando Salgado Cifuentes, Juan Carlos Leal Céspedes   +2 more
doaj   +1 more source

Sporadic Aurora near Geomagnetic Equator: In the Philippines, on 27 October 1856 [PDF]

, 2018
While low latitude auroral displays are normally considered to be a manifestation of magnetic storms of considerable size, Silverman (2003, JGR, 108, A4) reported numerous "sporadic auroras" which appear locally at relatively low magnetic latitudes ...
Ebihara, Yusuke, Hayakawa, Hisashi, Vaquero, José. M.   +2 more
core   +3 more sources

The Life of Events: Exception and Everyday Life in Acapulco, Mexico

Transactions of the Institute of British Geographers, EarlyView.
ABSTRACT The paper focuses on the event of ‘Ingrid‐and‐Manuel’—a Hurricane and Tropical Storm that hit Acapulco, Mexico in 2013. It traces what this event was and how it remains for people in and beyond Acapulco. It does so in the context of a place where the lines between events and everyday life are often blurred, and yet the event was still named ...
Hector Becerril, Ben Anderson, Alejandro de Coss Corzo   +2 more
wiley   +1 more source

Comercio informal en el espacio publico del barrio San Isidro en Villavicencio, Meta Colombia. Legalización ¿realidad o utopía?

Revista Geon, 2019
El fenómeno de la informalidad se ha destacado como uno de los factores que incide en el mercado laboral de Colombia y el mundo, no solo por su efecto dentro de la economía, si no a raíz de su  acelerado crecimiento.
Hernando Castro Garzón, Yuri Yaneth Romero Rincón, Karol Liceth Sarmiento Suarez   +2 more
doaj   +1 more source

Finding a mix of renewable energy for different stakeholders by applying multi‐criteria decision‐making techniques

International Transactions in Operational Research, Volume 33, Issue 4, Page 2499-2534, July 2026.
Abstract This paper presents a two‐stage model for planning a renewable energy portfolio by balancing economic, social and environmental sustainability goals. The first stage addresses a multi‐objective problem where conflictive impacts generated by the energy portfolios should be optimised according to the corresponding economic, social or ...
Amelia Bilbao‐Terol, Verónica Cañal‐Fernández, Carmen González‐Pérez   +2 more
wiley   +1 more source

Diseño e implementación IoT para temperatura en un proceso de aclimatación de semilla de palma

Revista Ingeniería, Matemáticas y Ciencias de la Información
Este artículo presenta el diseño e implementación de un sistema prototipo IoT para la variable de temperatura en un proceso de aclimatación de semillas de palma.
Javier Eduardo Martinez Baquero, Angie Marcela Idrobo Yunda, Sebastián Ríos Rico, John Jairo Piñeros Calderón   +3 more
doaj   +1 more source