Results 51 to 60 of about 121,479 (211)

LA CONSTRUCCIÓN DEL PAISAJE A TRAVÉS DEL VIAJE EN TREN DESDE CONCEPCIÓN A SAN ROSENDO

open access: yesUrbe, 2020
La llegada del ferrocarril modificó la manera de viajar y, por lo tanto, la forma de relacionarse con el territorio. El tren desde Concepción a San Rosendo continúa en funcionamiento y se posiciona como el principal medio de transporte que comunica ambas
CLAUDIA ARANCIBIA ROJAS
doaj   +1 more source

Perspectives for European Railway Services [PDF]

open access: yes, 2004
En aquesta tesina s'hi exposen les característiques generals de les xarxes ferroviàries d'Europa i les causes que han incapacitat al ferrocarril per absorvir part alguna de l'augment de tràfic europeu dels últims trenta anys.
Mateo Fombellida, Borja
core  

Sistematización de las principales implicaciones provocadas por el ferrocarril central en Camagüey (1902-1925)

open access: yesIslas, 2023
Introducción: La llegada del Ferrocarril Central a Camagüey en 1902 constituye un acontecimiento significativo para el desarrollo socioeconómico de la provincia entre 1902 y 1925; sin embargo, se constata que aún existe un insuficiente conocimiento ...
Alberto Frómeta Dupuy   +1 more
doaj  

The approximate f-core and the utopia payoff for infinite assignment games [PDF]

open access: yes, 2001
Assignment problems where both sets of agents are countably infinite, the so-called infinite assignment problems, are studied as well as the related assignment games. Further, two solutions for these games are studied.
Llorca, N.   +3 more
core   +1 more source

The Separability Problem in Molecular Quantum Systems: Information‐Theoretic Framework for Atoms in Molecules

open access: yesChemPhysChem, Volume 25, Issue 14, July 15, 2024.
We explore the mathematical underpinnings of partitioning a molecule into its constituent atoms through the Atoms‐in‐Molecules (AIM) approach, validating its applicability through concepts from Information Theory. We present information‐theoretic justifications for employing some of the most widely utilized AIM partitioning schemes in chemistry, such ...
Rodolfo O. Esquivel, Edmundo Carrera
wiley   +1 more source

How the Sima de los Huesos was won

open access: yesThe Anatomical Record, Volume 307, Issue 7, Page 2225-2245, July 2024.
Abstract Although the first discovery of a human fossil in the Sima de los Huesos took place in 1976, systematic excavations did not begin there until 1984. Since then, this site has been continuously excavated in month‐long camps. The site is dated by different radiometric techniques to between 430,000 and 300,000 years ago.
Juan‐Luis Arsuaga   +10 more
wiley   +1 more source

The railway to Bolivia: the process of settlement in the regions of Puna, Quebrada de Humahuaca and Valleys in the province of Jujuy [PDF]

open access: yes, 2013
El impacto producido por el ferrocarril en el territorio argentino no ha tenido similitudes en la historia, ni antes ni después. La ocupación del territorio implicó un nuevo ordenamiento basado en la inserción de un red de tendidos férreos y pueblos con
Ferrari, Monica Rossana
core  

Spanish adaptation and validation of the Dula Dangerous Driving Index (DDDI)

open access: yesAggressive Behavior, Volume 50, Issue 1, January 2024.
Abstract The Dula Dangerous Driving Index (DDDI) is a widely used questionnaire that measures the tendency to drive dangerously on the road through three different types of behaviors: aggressive driving, risky driving, and experiencing negative emotions while driving.
María T. Sánchez‐López   +3 more
wiley   +1 more source

FEMINIZATION OF NILE TILAPIA Oreochromis niloticus (L.) BY DIETHYLSTILBESTROL GROWTH AND GONADOSOMATIC INDEX/Feminización de la tilapia del nilo Oreochromis niloticus (L.) mediante dietilestilbestrol. Crecimiento e índice gonadosomático

open access: yesEcosistemas y Recursos Agropecuarios, 2016
Sex-reversal by exogenous hormones is the most common technique used to generate monosex populations of Nile tilapia (Oreochromis niloticus). However, this technique has provoked a negative perception in recent years.
José Antonio Marín-Ramírez   +4 more
doaj  

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