Results 41 to 50 of about 257 (180)

Reliability of rail transverse flaw detection by means of an embedded ultrasonic based device

open access: yesMATEC Web of Conferences, 2018
The main causes of train derailment are related to rail defects such as head surface defects, horizontal defects, vertical longitudinal split defects, star cracks at colt holes and diagonal crack in web. The most adverse form of these defects consists of
Benzeroual Hajar   +2 more
doaj   +1 more source

Golden weapons and golden fetters: From the gold standard to the new geopolitics

open access: yesThe Economic History Review, EarlyView.
Abstract This paper explores the historical relationship between monetary regimes, security concerns, and geopolitical tensions, particularly focusing on the role of gold. Throughout history, monetary systems have been deeply intertwined with international state systems and security provisions.
Harold James
wiley   +1 more source

Mobilisation Alarm Use in Hospitals and Alignment With Person‐Centred Practice: A Qualitative Study

open access: yesJournal of Advanced Nursing, EarlyView.
ABSTRACT Aim To explore why and how staff use alarms for falls prevention in hospital and their alignment to person‐centred practice. Design Qualitative interpretive design. Methods One hundred focus groups and 25 interviews across 10 health services were completed between October 2022 and September 2024.
Kelly Stephen   +3 more
wiley   +1 more source

Review on Rail Damage Detection Technologies for High-Speed Trains

open access: yesApplied Sciences
From the point of view of the intelligent operation and maintenance of high-speed train tracks, this paper examines the research status of high-speed train rail damage detection technology in the field of high-speed train track operation and maintenance ...
Yu Wang   +4 more
doaj   +1 more source

Contestation over a Profession's Memory: The UK Pharmacy Profession, 1880–1905

open access: yesJournal of Management Studies, EarlyView.
Abstract We draw on the historical case of the UK pharmacy industry from 1880–1905 to examine how, in the face of a competitive threat to their survival, lower status professionals seek to reinvigorate the memory of their role in providing community service in the public interest.
Graeme Currie, Andrew Wild, Andy Lockett
wiley   +1 more source

Carbon Populism and Representative Politics: On Why Fossil Fuel Firms Speaking for ‘The People’ Is a Bad Idea

open access: yesJournal of Management Studies, EarlyView.
Abstract Despite growing recognition that countries around the world must transition to a low‐carbon economy, global greenhouse gas emissions continue to rise. One way that decarbonization has been obstructed, we argue, is by fossil fuel firms intentionally conflating their agenda with ‘the people’, evoking notions of national identity, security and ...
Daniel Nyberg   +3 more
wiley   +1 more source

Integration of an Ultrasonic Sensor within a Robotic End Effector for Application within Railway Track Flaw Detection

open access: yesApplied Sciences
The rail industry is constantly facing challenges related to safety with regard to the detection of surface cracks and internal defects within rail tracks.
Luke Cilia   +3 more
doaj   +1 more source

Loading of cast supporting structures of three-piece bogie 18-100 in the presence of defects on the surface of wheel rolling

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2016
Results of the loading study of support structures of bogies 18 - 100 with the presence of defects in the form of slides and uneven wheel wear on the rolling surface were shown. Research carried out by strain measurement.
O. G. Krasnov   +2 more
doaj   +1 more source

A feasibility study on in-service non-destructive inspection of railway rails by an ultrasonic technique based on travelling electromagnetic acoustic transducers

open access: yesRailway Engineering Science
This study explores the feasibility of electromagnetic acoustic transducers (EMATs) for ultrasonic rail inspection, focusing on bulk wave generation from the rail head and on defect detection at the central part of the rail foot. As a contactless method,
Andrea Appiani, Michele Carboni
doaj   +1 more source

Home sweet harm: Confinement and tranquilidad in post‐asylum Peru

open access: yesMedical Anthropology Quarterly, EarlyView.
Abstract This article examines how Peru's Community Mental Health (CMH) model contributes to the exclusion and home confinement of mentally ill individuals. Based on the experience of a woman diagnosed with schizophrenia and her mother, I show how CMH's emphasis on community‐based care often fails in practice, as neighbors respond to people with mental
Julio Villa‐Palomino
wiley   +1 more source

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