Results 51 to 60 of about 2,413,234 (210)

Six-Minute Walking Test and 30 Seconds Chair-Stand-Test as Predictors of Mortality in COPD – A Cohort Study

open access: yesInternational Journal of COPD, 2022
Jenny Höglund,1 Carina Boström,2 Josefin Sundh3 1Department of Physiotherapy, Örebro University Hospital, Örebro, Sweden; 2Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden; 3Department of Respiratory ...
Höglund J, Boström C, Sundh J
doaj  

СOMBINED LABORATORY ABRASION TEST OF WORKING TOOLS MATERIALS

open access: yesСельскохозяйственные машины и технологии, 2016
Researches of wear of agricultural machines working tools, especially soil cutting elements, in field conditions are complicated because of inconstancy of properties of soil mass.
S. A. Sidorov   +3 more
doaj  

Hydration management system for sports and health care applications – Fundamental considerations and early development

open access: yesCurrent Directions in Biomedical Engineering
Dehydration can cause serious health problems. The optimal amount and the right time to drink varies individually and depends on many factors, i.e. anthropometric data, current stress levels or environmental influences.
Lebahn Kerstin   +4 more
doaj   +1 more source

Multivariable predictive controller for a test stand of air conditionning [PDF]

open access: yes, 1997
In this paper a Multivariable Predictive Controller has been proposed in a stochastic framework for a M-input N-output system. It has been investigated using a simulation study based on an experimental model of an industrial test stand of air ...
Bordeneuve-Guibé, Joël   +1 more
core  

Approbation of the test stand for piston hydraulic cylinders [PDF]

open access: yesE3S Web of Conferences
Test of the end production in the mechanic engineering requires extensive energy consumption which is often lost irrevocably during testing processes and inflict damage on environment.
Rybak Alexander   +8 more
doaj   +1 more source

Test stand design and analysis for Titan 34D static firing [PDF]

open access: yes
The Test Stand 1C at the Air Force Astronautic Laboratory (AFAL), Edwards AFB, Calif., was originally designed for F-1 liquid propellant engines. The stand was modified to handle a five and one half segment Solid Rocket Motor (SRM) Titan 34D vertical ...
Pazargadi, Shayan
core   +1 more source

Design of Eddy Current Braking Test Stand for High-speed Maglev Train

open access: yes机车电传动, 2020
The system scheme of eddy current braking test-bed was designed to study the influencing factors of eddy current braking, and the functions of each module of the system were briefly introduced.
Yijing XU   +3 more
doaj  

Problems of dynamometer construction for wheelchairs and simulation of push motion

open access: yesMATEC Web of Conferences, 2019
The article discusses the problem of the construction of a test stand that allows simulation of wheelchair propulsion in various terrain conditions. The described test stand is a complete measuring system which allowing to analyse the parameters of the ...
Wieczorek Bartosz, Warguła Łukasz
doaj   +1 more source

The Automatic Assessment of Strength and Mobility in Older Adults: A Test-Retest Reliability Study

open access: yesMedicina, 2019
Background: Simple field tests such as the Timed Up and Go test (TUG) and 30 s Chair Stand test are commonly used to evaluate physical function in the elderly, providing crude outcome measures.
Daniel Collado-Mateo   +5 more
doaj   +1 more source

Test stand for Titan 34D SRM static firing [PDF]

open access: yes
An existing liquid engine test stand at the AF Astronautics Laboratory was refurbished and extensively modified to accommodate the static firing of the Titan 34D solid rocket motor (SRM) in the vertical nozzle down orientation.
Glozman, Vladimir, Shipway, George
core   +1 more source

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