Results 41 to 50 of about 280,755 (310)

Using pre‐ and post‐entry data to identify the effect of ethanol plant entry on the spatial pattern of corn prices: A study in Indiana

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract We estimate the long‐run effect of ethanol plant entry on local corn prices using a long‐horizon difference‐in‐differences framework that combines matching with fixed effects while explicitly accounting for treatment intensity and spatial heterogeneity.
Jinho Jung   +2 more
wiley   +1 more source

A two-step approach for selection of railway modernization projects based on analytic hierarchy process

open access: yesTransport, 2022
This paper presents a simulation of the Project Portfolio Management (PPM) model usage in evaluation and selection of modernization projects of Serbian Railways.
Rajko Ković, Miloš Milenković
doaj   +1 more source

Integrating Remote Sensing, Archaeological Survey and Geophysical Prospections for the Enhancement of Roman Doclea, Montenegro

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT The Roman city of Doclea is a key archaeological site of Montenegro, valued for its impressive remains and its role in the nation's cultural identity within European and the Mediterranean history. Doclea was the second‐largest city in the province of Roman Dalmatia, a municipium created in the first century ad and named after the Illyrian ...
Tatjana Koprivica   +5 more
wiley   +1 more source

Laser Scan Compression for Rail Inspection

open access: yesSensors
The automation of rail track inspection addresses key issues in railway transportation, notably reducing maintenance costs and improving safety. However, it presents numerous technical challenges, including sensor selection, calibration, data acquisition,
Jeremiasz Hauck, Piotr Gniado
doaj   +1 more source

Experimental evaluation of tangential contact force characteristics between wheel and rail focusing on water flow rate

open access: yesNihon Kikai Gakkai ronbunshu, 2022
This paper describes the relationship between a tangential contact force and a slip ratio under various wet condition. In previous studies, the effect of difference in watering amount on the tangential contact force characteristics under wheel/rail ...
Daisuke YAMAMOTO
doaj   +1 more source

THE CONGO RAILWAY. [PDF]

open access: yesMinutes of the Proceedings of the Institution of Civil Engineers, 1899
n ...
Trouet, L., Redgrave, G. R.
openaire   +2 more sources

Dark Heritage Prospection ‐ Mapping the Treblinka II Extermination Camp Using a Magnetometer Survey and Integrated Archival Sources

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT The history of Nazi German extermination camps has, until recently, relied primarily on eyewitness testimony. Very few official documents detailing the facilities survived the war due to the special operation ‘Sonderaktion 1005’, dedicated to hiding their existence and extent.
Sebastian Różycki   +4 more
wiley   +1 more source

FIELD TESTS OF GLUED INSULATED RAIL JOINTS WITH USAGE OF SPECIAL PLASTIC AND STEEL FISHPLATES

open access: yesNauka ta progres transportu, 2019
Purpose. The aim was to compare behavior of polymer-composite fishplated and control steel fishplated (type GTI and MTH-P) glued insulated rail joints in railway track. Methodology.
A. Nemeth, S. Fischer
doaj   +1 more source

Role of Railway Transportation in the Spread of the Coronavirus: Evidence From Wuhan-Beijing Railway Corridor

open access: yesFrontiers in Built Environment, 2020
The last few months have marked a notable surge in COVID-19. The disease has infected 10 million people around the world and has gained attention in the field of research. Allegedly originating in China, the virus has spread to nearly every country.
Rucheng Liu, Dan Li, Sakdirat Kaewunruen
doaj   +1 more source

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