Results 111 to 120 of about 109,854 (301)

Borylcyclopropanes: Synthetic Strategies and Applications

Angewandte Chemie, EarlyView.
Borylcyclopropanes (cyclopropanes bearing a boron substituent) sit at the intersection of two privileged frameworks in synthesis. This review provides the first exhaustive survey of their chemistry, spanning metal–carbene, nucleophilic cyclization, radical, hydroboration, and C─H activation routes, and documenting applications in medicinal chemistry ...
Aiza A. Butt, Joseph M. Ready
wiley   +2 more sources

Artificial Intelligence (AI) and Agribusiness: From Automation to Augmentation in a Global Context

Agribusiness, EarlyView.
Alexis H. Villacis
wiley   +1 more source

Modular Access to α‐Tertiary Amines: Electrochemical Tandem Di‐Functionalization of Olefins With Ammonia Surrogates and Amino Acids

Angewandte Chemie, EarlyView.
A metal‐ and oxidant‐free electrochemical multicomponent di‐functionalization strategy that rapidly converts 1,1‐disubstituted alkenes into α‐tertiary primary amines with simultaneous installation of bio‐relevant sulfur or selenium motifs was devised for late‐stage functionalization. ABSTRACT Quaternary carbon centers, especially those bearing nitrogen,
Adrija Ghosh, Tarun, Sven Erik Peters, Lutz Ackermann, Debasis Banerjee   +4 more
wiley   +2 more sources

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

Архів 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, Oleksandr Bilyj, Stepan Bilobran   +2 more
doaj   +1 more source

The Research of Tripartite Collaborative Governance on Disorderly Parking of Shared Bicycles Based on the Theory of Planned Behavior and Motivation Theories—A Case of Beijing, China

Sustainability, 2019
With the maturity of mobile payments and internet technology, a new type of travel mode, shared bicycles, was brought out by China’s urban transport under the impetus of “the last mile” travel demand. Although convenient travel has been achieved by using
Daozhi Zhao, Di Wang
semanticscholar   +1 more source

ELECTRIC BIKES FOR GREEN MOBILITY IMPROVEMENT IN GILI IYANG, MADURA

Jurnal 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, Muhammad Syahril Mubarok, Retna Apsari   +2 more
doaj   +1 more source

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

Transport, 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  

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

Sustainable 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, Vera-Marie Andrieu, Rumbi Ebbefeld, Paschal Giki, Edna Mercy Manyasa, Chris Kost   +5 more
doaj   +1 more source

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

Jurnal 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, Dewi Nur Aprilia, Cyrilla Prasanti , Lina Mustafidah   +3 more
doaj   +1 more source

Study on operation analysis and decisionmaking for sharing-bicycles

大数据, 2019
Aiming at the problem of unbalanced distribution and unreasonable scheduling in the process of sharing-bicycles operating, based on the data of sharing-bicycles riding record for ten regions in a city, spatio-temporal statistics, regression deduction ...
Hong ZHANG, Dixin ZHOU, Chuanqi CHENG, Yu SHA   +3 more
doaj