Results 21 to 30 of about 3,763,617 (312)

Frequency of HIV-1 viral load monitoring of patients initially successfully treated with combination antiretroviral therapy. [PDF]

PLoS ONE, 2010
BACKGROUND: Although considered an essential tool for monitoring the effect of combination antiretroviral treatment (CART), HIV-1 RNA (viral load, VL) testing is greatly influenced by cost and availability of resources. OBJECTIVES: To examine whether HIV
Vanja Romih, Snježana Zidovec Lepej, Kornelija Gedike, Davorka Lukas, Josip Begovac   +4 more
doaj   +1 more source

Comparison of reliability of thermoelectric generator modules with different schemes for connecting thermoelements

Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2022
The study compares reliability indicators of thermoelectric generator modules using the nonmonotonic-diffusion law of failure time distribution.
Petrо Gorskyi
doaj   +1 more source

The establishment of the time interval between inspections for a cold standby system with component repair

Production, 2017
The time interval between inspections of cold standby systems is a crucial decision to ensure the appropriated system reliability and the lowest costs possible.
Angélica Alebrant Mendes, José Luis Duarte Ribeiro   +1 more
doaj   +1 more source

Comparative Reliability Analysis of Substation Automation Architecture Based on IEC 61850 Standard [PDF]

Journal of Electrical and Computer Engineering Innovations, 2016
Using IEC 61850 standard would increase the reliability and availability of electricity network and put a huge impact on network automation. Even though much research works has been done in substation system reliability, there is a few works in automated
A. Mokari-Bolhasan, N. Taghizadegan-Kalantari   +1 more
doaj  

Rebaseline no evidence of disease activity (NEDA-3) as a predictor of long-term disease course in a Norwegian multiple sclerosis population

Frontiers in Neurology, 2022
IntroductionNo evidence of disease activity with three components (NEDA-3) is achieved if the person with MS (pwMS) has no new MRI lesions, no new relapses and no change in Expanded disability status scale (EDSS) over 1 year.
Cecilia Smith Simonsen, Heidi Øyen Flemmen, Heidi Øyen Flemmen, Line Broch, Line Broch, Line Broch, Kamilla Brekke, Kamilla Brekke, Cathrine Brunborg, Pål Berg-Hansen, Elisabeth Gulowsen Celius, Elisabeth Gulowsen Celius   +11 more
doaj   +1 more source

Reliability modelling of uninterruptible power supply using probability tree method [PDF]

, 2006
The unreliability of public power lines have led to the need of uninterruptible power supply (UPS). Utility power failures will cause unacceptably high risk to the profitability, existence and growth of the vital aspect of business that depends heavily ...
Jovanovic, S., Lo, K.L., Rahmat, M.K.
core   +1 more source

Influence of Timing of Postoperative Weight-Bearing on Implant Failure Rate Among Older Patients With Intertrochanteric Hip Fractures: A Propensity Score Matching Cohort Study

Frontiers in Medicine, 2021
Introduction: The purpose of this study was to determine whether immediate weight-bearing as tolerated increased the risk of implant failure and decreased functional outcomes compared with restricted weight-bearing.Methods: From January 2010 to December ...
Xiaoyang Jia, Minfei Qiang, Kun Zhang, Qinghui Han, Ying Wu, Yanxi Chen   +5 more
doaj   +1 more source

To the question of damage, maintenance and repairs of submersible electric equipment for oil production

Вестник Самарского государственного технического университета. Серия: Технические науки, 2020
In optimizing and managing the life cycles of submersible electrical equipment (SEE) for oil production, an integrated approach to the organization of maintenance and repairs (MRO) is advisable based on the development of a more advanced strategy for ...
Vladimir S. Romanov, Valery G. Goldshtein   +1 more
doaj   +1 more source

Analysis of Failure Features of High-Speed Automatic Train Protection System

IEEE Access, 2021
An automatic train protection (ATP) system is the core to ensure operation safety of high-speed railway. At present, failure rate change rules of the system are not well understood and the maintenance strategy is not refined.
Renwei Kang, Junfeng Wang, Jianqiu Chen, Jingjing Zhou, Yanzhi Pang, Jianfeng Cheng   +5 more
doaj   +1 more source

Hybrid ablation of persistent and long-standing persistent atrial fibrillation with depressed ejection fraction: A single-center observational studyCentral MessagePerspective

JTCVS Open, 2022
Objective: The relationship between atrial fibrillation (AF) and heart failure with depressed ejection fraction (EF) is complex. AF-related tachycardia-mediated cardiomyopathy (TMC) can lead to worsening EF and clinical heart failure.
Armin Kiankhooy, MD, Carolyn Pierce, NP, Shelby Burk, BS, Andrew Phillips, BS, Susan Eisenberg, MD, Gansevoort Dunnington, MD   +5 more
doaj   +1 more source