Results 41 to 50 of about 879 (166)
Rail corrugation is a degradation phenomenon that manifests as a quasi-periodic irregularity on the running surface of the rail. It is a critical problem for urban railway lines because it induces ground-borne vibrations transmitted to the buildings near
Leonardo Faccini +5 more
doaj +1 more source
This study reveals that the use phase of diesel engines contributes the greatest environmental burden due to intensive diesel consumption and related emissions. Life‐cycle assessment highlights severe impacts on climate change, fossil fuel depletion, acidification, and particulate pollution, emphasizing the importance of biodiesel integration, hybrid ...
Sanjeev Kumar +8 more
wiley +1 more source
Influence of pressure and rotation speed on performance of passive grinding rail
The influence of pressure and speed on some grinding performance of passive rail grinding, namely the force, the temperature, the efficiency and the rail surface roughness, was studied on a test platform simulating passive grinding by replacing normal ...
LI Duan, LI Huanfeng, LIU Pengzhan
doaj
Evolving Pathways of Departure and Return in Rural Thailand
ABSTRACT This paper draws on a forty‐year longitudinal (1982–2022) village study of Thailand to reflect on how circulation persists, but in new ways. We trace evolving migration flows over a period during which Thailand progressed from low‐income to upper‐middle‐income status, and Non Tae and Tha Song Korn from semi‐subsistence rice‐growing communities
Jonathan Rigg +4 more
wiley +1 more source
Futures of Transit Work: Contesting Devaluation and Neoliberal Automation in Bus Transit
ABSTRACT Being a bus operator has long meant access to middle class wages, quality benefits, and union membership, forms of security increasingly rare amid growing precarity. But transit is in trouble. In the wake of the COVID‐19 pandemic and decades of disinvestment, bus operators face mounting time pressure, frequent violence, and eroding job ...
Hunter Akridge, Sarah E. Fox
wiley +1 more source
ABSTRACT The revival of Biafran separatism in contemporary Nigeria is often explained with three leading theoretical frameworks: relative deprivation, political economy and state repression. Whereas relative deprivation and political economy perspectives posit that the resurgent separatism derives from the perception and empirical reality of ...
Promise Frank Ejiofor
wiley +1 more source
Schematic illustration of ±45° tensile testing, including detection of first‐ply failure (FPF) by optical crack detection and acoustic emission monitoring, comparison of FPF values with ASTM D3518 and D3039 criteria, and resulting ply level stress states at FPF for GF‐ and CF‐epoxy laminates.
Maria Gfrerrer +4 more
wiley +1 more source
ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz +6 more
wiley +1 more source
Experimental research on brazed diamond grinding wheel for rail grinding performance
In view of the shortcomings of large spark and dust pollution in the grinding of rail with resin grinding wheel, a single layer brazed diamond grinding wheel used for rail grinding is designed and made.
YAN Xinlin +4 more
doaj

