Results 21 to 30 of about 179,350 (249)

Research of the resistance of contact welding joint of R65 type rail / R65 tipo bėgio kontaktinio suvirinimo jungties tyrimas

open access: yesMokslas: Lietuvos Ateitis, 2015
In the article the R65 type rail joints that were welded by resistance welding are analysed. Survey methodology of the research consists of the following parts: visual inspection of welded joint, ultrasonic rail inspection, hardness test of upper part of
Kęstutis Dauskurdis   +1 more
doaj   +1 more source

Gathering Energy of the Stray Currents in Electrified Railways Environment for Power Supply

open access: yesEnergies, 2021
The paper presents a new, unconventional energy harvesting (EH) method for supplying low-power devices on electrified railway lines that utilises stray currents and the non-zero potential of the rails to the ground.
Grzegorz Wieczorek   +3 more
doaj   +1 more source

Research on Operational Characteristics of Imported Rails under Conditions of East Siberian Railway [PDF]

open access: yes, 2016
In world's manufacturing of railroad rails there are several thermal bonding methods: differentiated waterflow quenching, air-blast or spray quenching, rail head's hardening in polymer solution and bulk oil hardening; rails' service durability is ...
Gizatulin, Rinat Akramovich   +4 more
core   +1 more source

Analysis of structure-phase states in-a-bulk hardened and a head-hardened rails [PDF]

open access: yes, 2014
A layer-by-layer analysis along the central axis and over the fillet of rails for low-temperature service, rails with enhanced wear resistance and contact fatigue resistance, and for senior-grade rails, bulk oil hardened and DT 350 rails head-hardened ...
Glezer, A. M.   +3 more
core   +1 more source

AI Robotics in Healthcare Between the EU Medical Device Regulation and the Artificial Intelligence ActGaps and Inconsistencies in the Protection of Patients and Care Recipients

open access: yesOslo Law Review
The growing inclusion of social robots in therapeutic situations raises a variety of unresolved legal and ethical issues, including risks to patient autonomy, human dignity and trust, the potentially life-threatening effects of inaccurate or ...
Martin Ebers
doaj   +1 more source

Approaches to modeling occurrence of rolling contact fatigue damages in rails

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2018
Rolling contact-fatigue damages of rails along with their wear are the most common types of rail defects. In recent years, there have been significant changes in the distribution of rolling contact fatigue damages of rails especially on railways ...
S. M. Zakharov, E. V. Torskaya
doaj   +1 more source

Interannual Winter Site Fidelity for Yellow and Black Rails

open access: yesDiversity, 2022
Yellow Rail (Coturnicops noveboracensis) is a species of conservation concern, while the Eastern Black Rail (Laterallus jamaicensis jamaicensis) has recently been listed as Threatened.
Christopher J. Butler   +4 more
doaj   +1 more source

The influence of high-speed rails on urban innovation and the underlying mechanism.

open access: yesPLoS ONE, 2022
Innovation is intrinsically dependent on the construction of local infrastructure. Using panel data on 285 cities in China, we empirically examined the impact of high-speed rails on urban innovation and the mechanism underlying this effect. We found that
Yue Lu, Siying Yang, Jian Li
doaj   +1 more source

Swing-out rail system separates overhead crane rails [PDF]

open access: yes, 1966
Swing-out rail system separates and reconnects the overhead traveling crane rails of a building to provide for the passage of a thick concrete radiation shield sliding door through the rails. In the swing-out position, the rail cantilevered from an axial
Pitkin, R. G.
core   +1 more source

Pavlov Patient Database [PDF]

open access: yes, 2020
This project is implementing and deploying a functional patient database with customizable treatment plans and progress notes for Choices!, a counseling service center.
Brown, Dylan   +4 more
core   +1 more source

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