Results 11 to 20 of about 67,045 (175)
Community-informed and codesigned research to understand the impacts of railways on wildlife. [PDF]
Conserv BiolAbstract Trains cause mortalities of several animal species, but the ecological impacts of railways are understudied. Most research on wildlife–train collisions has focused on large mammals, but understanding railway‐specific risks for underrepresented taxa, especially vulnerable species, is important for developing effective mitigation strategies ...
Vincent KD +5 more
europepmc +2 more sources
La evolución del empleo en el sector ferroviario español, 1893-1935 [PDF]
, 2001 Editada en la Fundación Empresa PúblicaEn este trabajo se presenta una estimación inédita sobre la oferta de empleo en el sector ferroviario español entre 1893 y 1935.
Anes +46 more
core +20 more sources
Distribution of Currents in 2 × 25 kV Electric Railway Systems under Normal Conditions
International Transactions on Electrical Energy Systems, Volume 2023, Issue 1, 2023., 2023 This article shows a detailed analysis of the distribution of currents in 2 × 25 kV electric railway systems under normal conditions. The network equations are clearly formulated in a way that enables the presentation of a novel simplified analytical solution as well as the traditional numerical solution of the equation set.
Elmer Sorrentino +4 more
wiley +1 more source
Bringing War Back in: Victory and State Formation in Latin America
American Journal of Political Science, Volume 65, Issue 2, Page 405-421, April 2021., 2021 Abstract Scholars have often dismissed the effect of war on state formation in regions like Latin America, where mobilization for war is deemed insufficiently intense and international conflict fails to out‐select weaker states. Against this conventional wisdom, I contend that wars can affect state‐building trajectories in a postwar period through the ...
Luis L. Schenoni
wiley +1 more source
The Second Coming of Rail: The Spanish High‐Speed Rail‐Finance Complex
Antipode, Volume 52, Issue 6, Page 1603-1623, November 2020., 2020 Abstract This article offers a critical account of Spanish high‐speed rail (HSR) through the lens of the spatial fix. I designate the integration of Spanish HSR into a European‐wide process of circulation of finance capital as the HSR‐finance complex.
Natalia Buier
wiley +1 more source
Pareto Assumption for Constrained PSO‐Based Locomotive Resistance Minimization
Mathematical Problems in Engineering, Volume 2020, Issue 1, 2020., 2020 The mechanical resistance of a locomotive is crucial for power consumption. It is desirable to maintain this resistance at a minimum value for energy efficiency under optimal operation conditions. The optimal conditions can be found by particle swarm optimization with constraints.
Mine Sertsöz +2 more
wiley +1 more source
Los ingenieros, la tecnocracia de los Ferrocarriles del Estado
H-Industri@, 2015 Con la introducción del ferrocarril en Argentina, los ingenieros se convirtieron en una burocracia técnica encargada del estudio, la construcción y el funcionamiento operativo de aquel e incluso se ocuparon de su gestión. La formación de esta tecnocracia
Elena Salerno
doaj +4 more sources
Revista Transporte y Territorio, 2021 El presente artículo analiza cómo, durante los años 1969 y 1973, la empresa Ferrocarriles Argentinos hizo del trabajo femenino una imagen visible. Como parte de una política de cambio de imagen, durante dicho período, la empresa destinó notable atención
Solange Godoy
doaj +1 more source
Túnel de Donnerbühl, en Berna (Suiza)
Informes de la Construccion, 1968 El artículo trata de la construcción de un túnel ferroviario por el método de escudo y resume las medidas y observaciones hechas, después de la construcción, por R.
R. Desponds, K. Ensner
doaj +1 more source
La formación de las lenguas especializadas en español: el ferrocarril de Córdoba a Málaga (1863-1873) [PDF]
Res Diachronicae Virtual, 2002 Walter von Wartburg (1991: 175) distinguía dos clases de palabras en el léxico de una lengua: por un lado, aquellas que son utilizadas por todos los miembros de una comunidad lingüística en igual medida; por otra, las que solo comprenden y usan ...
Mariano Andrés Martínez Lledó
doaj