Results 91 to 100 of about 2,265 (257)
Design and analysis of hybrid stepping motors with integrated planetary gear trains. [PDF]
Sci Prog, 2021 Chen GC, Wang SY.
europepmc +1 more source
Annals of Public and Cooperative Economics, EarlyView.Abstract The United Nations defined the Sustainable Development Goals (SDGs) in 2015. As a result, an increasing number of companies have integrated sustainable development practices into their activities with the aim of contributing to the SDGs achievement.
Joan R. Sanchis +2 more
wiley +1 more source
Dynamic characteristics analysis of planetary gear system with internal and external excitation under turbulent wind load. [PDF]
Sci Prog, 2021 Yang H, Li X, Xu J, Yang Z, Chen R.
europepmc +1 more source
Business Ethics, the Environment &Responsibility, EarlyView.ABSTRACT This study investigates the impact of environmental attention on cryptocurrency market volatility by introducing the Crypto Environmental Attention Index (CEAI), a new metric inspired by Wang et al. (2022) and constructed using daily web search data.
Ines Ghazouani +2 more
wiley +1 more source
Jixie chuandong, 2015 The load sharing planetary gear speed-growth train for wind power generator is studied,which is composed of two stage planetary gear and one stage plane gear.The influence of external load excitation and time varying mesh stiffness is considered,and the ...
Wang Chunguang
doaj
Out There No One Has a Right to Die
Bioethics, EarlyView.ABSTRACT The eventual goal of space exploration is to colonize exoplanets and their moons outside our solar system. This is a dangerous and immoral endeavour. The extraterrestrial life forms encountered would be hostile, vulnerable or both, and the descendants of the original pioneers would be involuntarily exposed to hazardous conditions and ...
Matti Häyry
wiley +1 more source
Conservation Biology, EarlyView.Abstract Bycatch in fisheries is one of the most serious threats to pelagic seabirds, causing major population declines. Mitigation measures can reduce bycatch substantially, but many fisheries fail to apply best practices, and seabird mortality remains high.
V. Warwick‐Evans +2 more
wiley +1 more source
Jixie chuandongA study on the load characteristics of the modified gear planetary gear systems is conducted to address the issue of uneven loads between planetary gears due to manufacturing and installation errors, which result in deviations between the radial and ...
Xu Pengpeng, Chen Lifeng, Zhao Yingjun
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How a Traveling Exhibition on Wasps Altered Public Perceptions
Curator: The Museum Journal, EarlyView.ABSTRACT Media portrays a caricature of the “evil” wasp (a flying insect), perpetuating fears developed at a young age or from individual negative experiences. Because wasps are critically important to nature and our agriculture, it is important to provide some form of education to lessen this fear.
Brenna L. Decker +3 more
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
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