Results 31 to 40 of about 134,174 (340)

Uncrewed aircraft systems versus motorcycles to deliver laboratory samples in west Africa: a comparative economic study

open access: yesLancet Global Health, 2020
Summary Background Transportation of laboratory samples in low-income and middle-income countries is often constrained by poor road conditions, difficult geographical terrain, and insecurity.
W. Ochieng   +8 more
semanticscholar   +1 more source

Incidence of musculoskeletal disorders in police officers riding motorcycles while on duty

open access: yesMedycyna Pracy, 2020
Background Riding a motorcycle involves a risk of suffering from ailments of the musculoskeletal system. These can be caused, i.a., by long-term persistence of a unfavorable body position, vibrations or the necessity of wearing a protective helmet.
Aleksandra Matysiak   +2 more
doaj   +1 more source

Changes in the Market of Two and Three-wheeled Motor Vehicles in Europe at the Beginning of the 21st Century

open access: yesEntrepreneurial Business and Economics Review, 2018
Objective: In recent years, the number of motorcycles in many countries has changed significantly. A particularly diverse situation has taken place in Europe. This diversification has been influenced by both economic and institutional conditions.
Sławomir Dorocki
doaj   +1 more source

Introducing the Standard and Chart to Measure and Control the Motorcycle Noise Level [PDF]

open access: yesسلامت و محیط, 2012
Background and Objectives: Sound of motorcycles plays an important role in noise pollution in big cities. This is due to the lack of national law or standards to control the noise of domestic and also imported motorcycles. This study tries to introduce a
S Farhang Dehghan   +4 more
doaj  

Motorcycle accident frequency model in the urban area of ​​the municipality of Ocaña

open access: yesRevista Ingenio, 2016
In 2014, Colombia registered around 5 million motorcycles circulating on the roads, which due to traffic accidents resulted in 2,754 deaths and 21,171 injuries.
Thomas Edison Guerrero Barbosa
doaj   +1 more source

Analysis of factors ifluencing consumer purchase intention on electric motorcycle

open access: yesManajemen dan Bisnis
Air pollution is worsening due to the increasing emissions produced by motor vehicles each year. The consumption of vehicle fuels releases various pollutants into the atmosphere, necessitating efforts to control air pollution to prevent the emissions ...
Ni Nyoman Trida Kariathi, Iin Mayasari
doaj   +1 more source

Motorcycle rider training [PDF]

open access: yesInjury Prevention, 2011
Motorcycle riding is an accessible and cheap form of transport for many people worldwide, particularly in low and middle income countries where other forms of private transport are not affordable. Motorcycle riders, however, account for a relatively high proportion of road traffic-related fatalities and injuries in such countries.1 The lack of ...
openaire   +2 more sources

Cross-cultural effects on the perception and appraisal of approaching motorcycles at junctions [PDF]

open access: yes, 2015
Crundall et al. (2008) reported that perceptual errors (failing to perceive) and not appraisal errors (failing to make a correct judgment about safety) are likely to explain the relatively high number of right of way violation accidents involving ...
Crundall, D, Lee, YM, Sheppard, E
core   +1 more source

CeO2 based catalysts for the treatment of propylene in motorcycle's exhaust gases [PDF]

open access: yes, 2014
In this work, the catalytic activities of several single metallic oxides were studied for the treatment of propylene, a component in motorcycles' exhaust gases, under oxygen deficient conditions.
Minh, Thang Le   +3 more
core   +2 more sources

Quo Vadis, Posadas? [PDF]

open access: yes, 1998
This examination looks at Virginia\u27s ban on speech advertising motorcycles and revisits the question raised in the Posadas decision - may a state ban speech about a legal product the state could ban if it so desired.
Van Alstyne, William W.
core   +3 more sources

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