Results 81 to 90 of about 148,879 (213)

Remote 1,4‐Carbon‐to‐Carbon Boryl Migration: From a Mechanistic Challenge to a Valuable Synthetic Application of Bicycles

open access: yesAdvanced Science
The present paper reports a remote carbon‐to‐carbon boryl migration via an intramolecular 1,4‐B/Cu shift, which establishes an in situ stereospecific electrophilic trap on the alkene moiety.
Paula Dominguez‐Molano   +3 more
doaj   +1 more source

Application of coefficients сorrelation of offer to sale, market or discount in determining the market value of bicycles and their modifications

open access: yesАрхів кримінології та судових наук
The article summarizes the results of expert practice research on the bicycle sales market in the western regions of Ukraine. The use of ratios of supply to markup for bicycles and electric bicycles and consideration of discounts for wholesale purchases
Andrij Schatkovskyj   +2 more
doaj   +1 more source

Attribute Multiset Grammars for Global Explanations of Activities [PDF]

open access: yes, 2009
Recognizing multiple interleaved activities in a video requires implicitly partitioningthe detections for each activity. Furthermore, constraints between activities are impor-tant in finding valid explanations for all detections.
Damen, Dima, Hogg, David
core   +3 more sources

Encouraging Sustainable Urban Access: An Exploratory Student Approach to Design of Product Service Systems [PDF]

open access: yes, 2013
Urban access is a key trans-disciplinary design axiom looking to ensure that every member of the society can reach those locations and resources one needs for a sustainable standard of living and productivity.
Karjalainen, Toni-Matti   +2 more
core  

Electrical Transition in Transport: Extent, Causes and Prospects for Diffusion of Electric Bicycles in China [PDF]

open access: yes, 2012
What is the extent of diffusion of electric bicycles in China and the prospects for the future? What were the causes for that growth and the environmental impacts? Recently, electric bicycles have been an enormously successful in China, selling dozens of
Bento, N.
core  

ELECTRIC BIKES FOR GREEN MOBILITY IMPROVEMENT IN GILI IYANG, MADURA

open access: yesJurnal Layanan Masyarakat (Journal of Public Services)
This community service program is implemented in an island region that has limited access to electricity and fuel. This program is implemented on Gili Iyang Island, Sumenep, Madura.
Yoga Uta Nugraha   +2 more
doaj   +1 more source

New aesthetics of the city – design of cyclists traffic signs [PDF]

open access: yesTransport, 2005
In a number of towns and cities worldwide development programmes have been initiated to provide designated bike surfaces reserved for the movement of cyclists along city network.
B. Stanić, D. Vujin
doaj  

Bicycle Urbanism, Blog 7 [PDF]

open access: yes, 2015
Student blog posts from the Great VCU Bike Race ...
Sankoh, Mariam
core   +1 more source

Barriers to scaling up electric bicycles in eight African countries: infrastructure, policy, cost, and perception

open access: yesSustainable Earth Reviews
Electric bicycles have experienced rapid growth over the past decade in several regions, while their emergence in African countries has been more recent.
Emilie Martin   +5 more
doaj   +1 more source

Balance bike activity is better at optimizing motor components compared to bicycle and tricycle in early childhood

open access: yesJurnal Keperawatan
Introduction: Riding a bicycle has become a common way for preschoolers to practice their motor skills. The purpose of this study is to evaluate how well push bikes and two- and three-wheeled pedal bicycles improve preschoolers' motor skills, including ...
Atika Yulianti   +3 more
doaj   +1 more source

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