Results 31 to 40 of about 1,736,908 (306)

Are we missing the sitting? Agreement between accelerometer non-wear time validation methods used with older adults’ data

open access: yesCogent Medicine, 2017
We used Bland Altman plots to compare agreement between a self-report diary and five different non-wear time algorithms [an algorithm that uses ≥60 min of consecutive zeroes (Troiano) and four variations of an algorithm that uses ≥90 min of consecutive ...
Anna M. Chudyk   +4 more
doaj   +1 more source

Characterization of IEEE802.11 WLAN Implementing on Excavator: Can We Use IEEE802.11 for i-construction? [PDF]

open access: yesEAI Endorsed Transactions on Internet of Things, 2022
As network systems become more sophisticated, through network systems, the automatic/remote-automatic/remote-control technology is spreading to construction machinery.
Ryo Hamamoto   +8 more
doaj   +1 more source

A Variable-speed Control Method to Reduce Ducted-fan Thrust Fluctuations for Flying Car Utilization [PDF]

open access: yesJournal of Applied Fluid Mechanics
Flying cars, or vertical takeoff and landing (VTOL) aircraft, are revolutionary devices that can address traffic congestion and help build a three-dimensional transportation system in the future.
Y. W. Luo   +3 more
doaj   +1 more source

Mobile Agents for Mobile Users [PDF]

open access: yes, 2000
In this paper we propose the use of mobile agents in the implementation of mobility support. The paper starts with a presentation of the mobile agent concept. Then, the notion of ideal user mobility is presented and followed by the current mobility support approaches.
Do Van Thanh 0001   +2 more
openaire   +2 more sources

Factors influencing fall prevention for patients with spinal cord injury from the perspectives of administrators in Canadian rehabilitation hospitals

open access: yesBMC Health Services Research, 2019
Background Fall prevention is a priority in Canadian tertiary rehabilitation hospitals. We aimed to understand the perspectives of hospital administrators on the challenges experienced when implementing fall prevention policies/procedures for patients ...
H. Singh   +6 more
doaj   +1 more source

Geovisualizing evolving population and built-up area in China, 2010–20

open access: yesRegional Studies, Regional Science, 2023
China's population and development land have changed dramatically over the last decade. Yet, our understanding of the spatial distribution patterns of the population and built-up areas remains limited.
Xiaohong Chen, Xiang Liu, Yingjie Guo
doaj   +1 more source

Mobilities and Mobilizations of the Urban Poor [PDF]

open access: yesInternational Journal of Urban and Regional Research, 2012
AbstractThis introduction sets out the aims of the symposium on mobilities and mobilizations of the urban poor. Exploring the physical, social and imagined movements of the poor into, within and out of cities, and addressing how these movements connect to the dynamics of urban social mobilization, it argues for an incorporation of the ‘mobility turn ...
Jaffe, R., Klaufus, C., Colombijn, F.
openaire   +3 more sources

A multi-country study of inter-generational educational mobility [PDF]

open access: yes, 2003
This paper analyses intergenerational educational mobility using survey data for twenty countries. We find that a number of interesting patterns emerge.
Chevalier, Arnaud   +2 more
core   +2 more sources

Mobile communications and mobile services

open access: yesInternational Journal of Mobile Communications, 2003
As wireless technologies evolve, the coming mobile revolution will bring dramatic and fundamental changes to the world. This revolution has already begun and is gaining momentum. The revolution will impact numerous facets of our daily lives and the way business is conducted.
Keng Siau, Zixing Shen
openaire   +2 more sources

Improved EECM for lithium-ion batteries under different current conditions

open access: yes电力工程技术, 2023
Li-ion batteries are at the core of new energy vehicle powertrains. The model-based battery management system (BMS) is the key to ensure the full play of battery performance.
ZHANG Zhihang   +5 more
doaj   +1 more source

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