Results 11 to 20 of about 1,249,634 (203)

UJI HIDUP DIPERCEPAT PADA DISTRIBUSI EKSPONENSIAL TERSENSOR TIPE II DENGAN TEGANGAN KONSTAN [PDF]

open access: yesMedia Statistika, 2010
Accelerated Life Testing (ALT) is used to obtain information quickly on life distribution, failure rates and reliabilities. ALT is achieved by subjecting the test units to conditions such that the failure occur sooner. Prediction of long term reliability
Oktaviana Prayudhani   +1 more
doaj   +5 more sources

Testing Embedded Memories in Telecommunication Systems [PDF]

open access: yes, 1999
Extensive system testing is mandatory nowadays to achieve high product quality. Telecommunication systems are particularly sensitive to such a requirement; to maintain market competitiveness, manufacturers need to combine reduced costs, shorter life ...
Barbagallo, S.   +4 more
core   +1 more source

The Brazilian version of the Health-Related Quality of Life Questionnaire for Nausea and Vomiting of Pregnancy: translation, cross-cultural adaptation and reliability – an observational cross-sectional study

open access: yesSão Paulo Medical Journal, 2021
BACKGROUND: The Health-Related Quality of Life Questionnaire for Nausea and Vomiting of Pregnancy (NVPQOL) is a validated questionnaire assessing quality of life among pregnant women with nausea and vomiting.
Adriana Piccini   +5 more
doaj   +1 more source

Accelerated Life Test Design for Tractor Powertrain Front Axle

open access: yesMATEC Web of Conferences, 2016
Accelerated Life Test (ALT) has been applied in the manufacturing for many years due to rapid changing technologies, more complex products, speedier product development, and more demanding customer requirements.
Ismail Azianti, Jung Won, Liu Qiang
doaj   +1 more source

Lifetime Modelling Issues of Power Light Emitting Diodes

open access: yesEnergies, 2020
The advantages of light emitting diodes (LEDs) over previous light sources and their continuous spread in lighting applications is now indisputable. Still, proper modelling of their lifespan offers additional design possibilities, enhanced reliability ...
János Hegedüs   +2 more
doaj   +1 more source

Psychometric properties of the Stroke and Aphasia Quality of Life Scale (SAQOL-39) in a generic stroke population [PDF]

open access: yes, 2009
Background: We previously developed the Stroke and Aphasia Quality of Life scale (SAQOL-39) and tested it with people with chronic aphasia. A scale allowing comparisons of quality of life between people with versus without aphasia post-stroke would be of
Alice Lamb   +10 more
core   +1 more source

On a Generalized Burr Life-Testing Model: Characterization, Reliability, Simulation, and Akaike Information Criterion

open access: yesJournal of Statistical Theory and Applications (JSTA), 2019
For a continuous random variable X, M. Shakil, B.M.G. Kibria, J. Stat. Theory Appl. 9 (2010), 255–282, introduced a generalized Burr increasing, decreasing, and upside-down bathtub failure rate life-testing model.
M. Ahsanullah   +3 more
doaj   +1 more source

FMECA and FTA analysis applied to the manufacturing process of pulsating heat pipes

open access: yesHeritage and Sustainable Development, 2023
Pulsating heat pipes (PHPs) offer significant advantages for the thermal control of electronic components due to their simple manufacturing and high heat transfer rates.
Pamela Hulse   +4 more
doaj   +1 more source

Life cycle testing and reliability analysis of prismatic lithium-iron-phosphate cells

open access: yesInternational Journal of Sustainable Energy
A cell’s ability to store energy, and produce power is limited by its capacity fading with age. This paper presents the findings on the performance characteristics of prismatic Lithium-iron phosphate (LiFePO4) cells under different ambient temperature ...
Anindita Roy   +4 more
doaj   +1 more source

New bench for testing the reliability of windows and doors of passenger cars

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2021
The article describes a new bench for testing the reliability of passenger car windows and doors. The bench can be used in various industries, mainly in transport engineering, as well as in the construction industry.
V. A. Makarov
doaj   +1 more source

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