نتایج جستجو برای: elevator

تعداد نتایج: 1935  

Journal: :Journal of physics 2023

Abstract The elevator brake is an important part to ensure the safe operation of elevator, and its performance directly determines safety whole machine. This paper describes a test scheme principle, makes reliability through device for brake, recording suction release voltage, response time, surface temperature delay time mechanical parts on both sides after specific number action. analysis cha...

Journal: :Indian Journal of Otolaryngology and Head & Neck Surgery 2011

Journal: :European journal of ageing 2016
Catherine Sundling Mats E Nilsson Sara Hellqvist Leslie R Pendrill Ragne Emardson Birgitta Berglund

Older people's travel behaviour is affected by negative or positive critical incidents in the public transport environment. With the objective of identifying such incidents during whole trips and examining how travel behaviour had changed, we have conducted in-depth interviews with 30 participants aged 65-91 years in the County of Stockholm, Sweden. Out of 469 incidents identified, 77 were repo...

Journal: :Scientific American 1909

Journal: :Technical Briefings 2018

Journal: :IOP Conference Series: Materials Science and Engineering 2021

Journal: :Journal of the Franklin Institute 1843

Journal: :Scientific American 1921

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