Results 181 to 190 of about 112,028 (284)
Mobile Work: Handcart and Bicycle Workers Across the Urban Economy of Greater Accra Region
Area, EarlyView.Short Abstract This article explores the role of handcart and bicycle workers—mobile workers—in the urban economy of Accra and Tema, Ghana. Drawing on qualitative fieldwork, it shows how their practices of food vending, e‐waste collection and mobile trade exemplify a form of relational infrastructure that sustains urban life through improvisation ...
Kauê Lopes dos Santos +1 more
wiley +1 more source
Design and Optimization Analysis of a Through Shaft Inner Rotor Electric Bicycle Reducer Device
Jixie chuandongBased on the analysis of the overall structure of the existing hub motor used for electric bicycles, aiming at the problems of instability and large noise when the inner rotor of the hub motor adopts the left and right half shaft structure, a hub motor ...
Xiong Junkai, Huang Xingyuan
doaj
Bake Sales to Save Nature: Why Wall Street Conservation Survives
Development and Change, EarlyView.ABSTRACT Academics have spent decades analysing the harms and failures of market and finance‐led biodiversity policy. Yet, even though ‘selling nature to save it’ looks less like the promised green capitalism and more like a decades‐long bake sale in that its efforts are small, piecemeal and rely on copious amounts of cheap capital, the approach ...
Jessica Dempsey
wiley +1 more source
Outcomes of Permanent Tooth Intrusion; Pulp Necrosis, Ankylosis and Tooth Loss
Dental Traumatology, EarlyView.ABSTRACT Background/Aim The aim of this study was to examine the timing of pulp necrosis, ankylosis, and tooth loss in intruded permanent teeth based on the stage of root development, degree of intrusion, and initial treatment. Materials and Methods In this retrospective study of intruded permanent teeth between 2013 and 2021, data from 112 teeth in 77
Brittany M. Schweiger +4 more
wiley +1 more source
Chasing the perfida Albione: Anglo‐Italian productivity gap in the late 1930s
The Economic History Review, EarlyView.Abstract This paper presents new estimates of Anglo‐Italian labour productivity levels in manufacturing in the late 1930s, derived using the standard single‐deflation approach. The findings confirm a substantial productivity gap between Italy and the United Kingdom at the aggregate level, alongside pronounced intersectoral heterogeneity.
Tancredi Salamone
wiley +1 more source
The Geographical Journal, EarlyView.Short Abstract The commentary offers a simple heuristic framework to suggest how geographers might conceive and unlock the potential of alternative modalities of infrastructure‐based futuring to make a difference to how policy and action unfold in spatial future‐making.
Michael Glass, Jean‐Paul Addie
wiley +1 more source
, 2010 The purpose of this study is to make an electrical bicycle. As this bike has an electrical motor, it will not be used as a sport method, the main idea is to use it as a public transport so people can move from side to side of the city without traffic, without pollution and without getting tired. Once selected the purpose of the bicycle, it is necessary
openaire +1 more source
A Conversation With David Bellhouse
International Statistical Review, EarlyView.Summary David Richard Bellhouse was born in Winnipeg, Manitoba, on 19 July 1948. He studied actuarial mathematics and statistics at the University of Manitoba (BA, 1970; MA, 1972) and completed his PhD at the University of Waterloo, Ontario, in 1975. After being an Assistant Professor for 1 year at his alma mater, he joined the University of Western ...
Christian Genest
wiley +1 more source
A matheuristic for the traveling salesman problem with positional consistency constraints
International Transactions in Operational Research, EarlyView.Abstract We propose a matheuristic for the traveling salesman problem with positional consistency constraints, where we seek to generate a set of routes with minimum total cost, in which the nodes visited in more than one route (consistent nodes) must occupy the same relative position in all routes.
Luís Gouveia, Ana Paias, Mafalda Ponte
wiley +1 more source