Results 91 to 100 of about 215,097 (287)

THE PROVISION OF RAIL SERVICE: THE IMPACT OF COMPETITION [PDF]

open access: yes
Grain transportation is one of the most important economic issues for grain producers in the Northern Plains. The reliance on export markets and the long distances to port position means that transportation costs have a significant effect on the price ...
Fulton, Murray E., Gray, Richard S.
core   +1 more source

Railway track condition assessment at network level by frequency domain analysis of GPR data [PDF]

open access: yes, 2018
The railway track system is a crucial infrastructure for the transportation of people and goods in modern societies. With the increase in railway traffic, the availability of the track for monitoring and maintenance purposes is becoming significantly ...
Fontul, Simona   +3 more
core   +2 more sources

Effect of Ammonium Polyphosphate/Silicate Content on the Postfire Mechanics of Epoxy Glass‐Fiber Composites Using Facile Chocolate Bar‐Inspired Structures

open access: yesFire and Materials, Volume 49, Issue 3, Page 329-346, April 2025.
ABSTRACT This study investigates the postfire mechanical properties of epoxy glass‐fiber reinforced composites (EP GFRCs) using increasing concentrations of ammonium polyphosphate (APP) and inorganic silicate (InSi) to modify the char and fire residue.
Sruthi Sunder   +5 more
wiley   +1 more source

Asphalt Mixtures with Limestone Aggregate for Base Layer

open access: yesRomanian Journal of Transport Infrastructure, 2012
Mélanges asphaltiques sont des mélanges de granulats minéraux, de charge, du bitume et éventuellement des additifs, dans certaines proportions déterminées par la recette conçue au laboratoire.
Răcănel Carmen   +3 more
doaj   +1 more source

A review of key planning and scheduling in the rail industry in Europe and UK [PDF]

open access: yes, 2015
Planning and scheduling activities within the rail industry have benefited from developments in computer-based simulation and modelling techniques over the last 25 years. Increasingly, the use of computational intelligence in such tasks is featuring more
Blacktop, K.   +3 more
core   +2 more sources

Notable Impact of Paleotectonic Stress on Gold Mineralisation in the West Qinling Orogen

open access: yesGeological Journal, EarlyView.
By applying fuzzy clustering and multiple inverse methods, we systematically processed the data of vein and fault slip in this ore deposit to reveal the transition of orogenic geological environment and paleotectonic stress field. Our research results show two different stress states: the northwest–southeast extensional stress field and the northeast ...
Hongyan Wang   +3 more
wiley   +1 more source

STATISTICAL PROCESSING OF RESULTS OF TESTING OF STUDENTS

open access: yesВестник Самарского государственного технического университета. Серия: Психолого-педагогические науки, 2015
Provides statistical analysis of the results of testing of students involved in the experiment conducted by the Department of Higher Mathematics at the Samara State University of Railways, since the resulting test data (rates of assimilation of ...
Yulia V. Gumennikova   +2 more
doaj  

European Railway Comparisons – Company Profiles [PDF]

open access: yes, 1992
This work was undertaken as part of a project sponsored by the British Railways Board entitled `European Railway Comparisons'. The aims of this project are as follows: (i)To compare the current efficiency of European railway operators and examine ...
Nash, C.A., Preston, J.M.
core  

Appraisal of Rail Projects. [PDF]

open access: yes, 1992
This paper reviews the particular characteristics of rail investment projects, taking as a starting point four examples ranging from decisions on individual routes to national rail investment programmes.
Nash, C.A.
core   +1 more source

Tourism, Democracy and Economic Growth in Africa

open access: yesJournal of International Development, EarlyView.
ABSTRACT While numerous studies have explored the determinants of economic growth, research on the impact of tourism and democracy on economic growth remains debated in both developed and developing countries. Furthermore, studies examining the moderating role of democracy in the tourism–economic growth relationship are particularly scarce.
Toyo A. M. Dossou   +3 more
wiley   +1 more source

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