Results 41 to 50 of about 62,246 (314)
A new manual wheelchair propulsion system with self-locking capability on ramps [PDF]
, 2018 A wheelchair user faces many difficulties in their everyday attempts to use ramps, especially those of some length. The present work describes the design and build of a propulsion system for manual wheelchairs for use in ascending or descending long ...
Alonso, Francisco Javier +3 more
core +3 more sources
International Journal of Finance &Economics, EarlyView.ABSTRACT This study aims to classify pivotal fintech innovations and explore the prospects and pitfalls associated with emerging fintech services extensively discussed in the literature. We conducted a multistage systematic review of research published on fintech over the past decade from a technological perspective. Using the Preferred Reporting Items
Muhammad Imran Qureshi, Nohman Khan
wiley +1 more source
Jixie chuandong, 2012 Planetary gear of is widely used in gear box,but its calculation of transmission ratio and transmission efficiency is more complicated.The transmission ratio is calculated according to the motion characteristic equation of planetary structure and ...
焦万铭, 马飞, 杨耀东, 赵欣欣
doaj
DEFINITION OF THE GEAR’S GEOMETRY IN THE PLANETARY CYCLOIDAL TRANSMISSION [PDF]
Scientific Journal of Silesian University of Technology. Series Transport, 2014 In the paper, the design and operation of the planetary cycloidal transmission have been discussed. The transmission is a synthesis of the planetary and the straight-line mechanism.
Sławomir BEDNARCZYK
doaj
Energies, 2022 This paper introduces a new two-speed planetary gear automatic transmission using an electronically controlled wedge clutch. In order to verify the feasibility of using this transmission in pure electric vehicles, the influencing factors of the two-speed
Wei Zhang, Jue Yang, Wenming Zhang
semanticscholar +1 more source
Systems of reciprocity in human–ocean relationships: Across time, place, language and culture
People and Nature, EarlyView.Abstract In the face of large‐scale marine environmental challenges, solutions that meaningfully capture the complexity of socio‐cultural and economic factors contributing to such issues—and their solutions—are urgently needed. This scoping review explores examples of reciprocity in human–ocean relationships to inform the conceptual underpinning and ...
Kianna M. Gallagher +3 more
wiley +1 more source
Jixie chuandong, 2022 A high-efficiency and high-power continuously variable transmission（CVT） is studied, which is mainly composed of variable-diameter pulley stepless speed change transmission and planetary differential gear train transmission.
Chuang Yan +3 more
doaj
Sustainable Development, EarlyView.ABSTRACT The promotion of clean energy is critical to achieving sustainable development. This study investigates the factors that affect the exports, trade potential, and revealed comparative advantage (RCA) of clean energy products (CEPs) in the emerging Asian economies (EAEs).
Arvind Goswami +2 more
wiley +1 more source
Jixie chuandong, 2023 In order to solve the problems of eccentric load of planetary gear train and large impact of gear teeth meshing caused by torsional deformation of double planetary gear shafts under load, a topological modification method considering torsional ...
Chen Xuehui +6 more
doaj
A computational methodology for synthesis of epicyclic gear transmission system configurations with multiple planetary gear trains [PDF]
, 2022 Manikandan Hariharan +2 more
openalex +1 more source