Results 1 to 10 of about 743,425 (285)

Comparison of fuzzy semi-Markov models for one unit with mixed standby units with and without preventive maintenance using regenerative point method

open access: yesHeliyon, 2021
This paper introduced a study for a new system that consists of one unit with mixed standby units. The mathematical model for the system is constructed using semi-Markov model with regenerative point technique in two cases: the first case when there is ...
Neama Salah Youssef Temraz
doaj   +4 more sources

Probabilistic Assessment of Two-Unit Parallel System with Correlated Lifetime under Inspection Using Regenerative Point Technique [PDF]

open access: yesInternational Journal of Reliability, Risk and Safety: Theory and Application, 2019
This paper deals with the reliability analysis of a complex system consisting ofa two dissimilar unit’ in a parallel configuration with correlated lifetime distribution. The system stops functioning when both units stop working. Both units are inspected periodically as well as being examined before assigning to repair facility.
VIJAY VIR SINGH, PRAVEEN KUMAR POONIA
openaire   +2 more sources

Comparative evaluation of efficacy of subepithelial connective tissue graft versus platelet-rich fibrin membrane in surgical reconstruction of interdental papillae using Han and Takie technique: A randomized controlled clinical trial

open access: yesJournal of Indian Society of Periodontology, 2020
Background: Platelet-rich fibrin (PRF) has emerged as one of the promising regenerative materials in the field of periodontics. Hence, this study evaluated the efficacy of subepithelial connective tissue graft (SCTG) and PRF in surgical reconstruction of
Preeti Sharma   +5 more
doaj   +2 more sources

Stochastic Analysis of a Priority Standby System under Preventive Maintenance

open access: yesApplied Sciences, 2021
In this paper, we propose a system of two dissimilar units: one unit prioritizes operation (priority unit), and the other unit is kept as a cold standby (ordinary unit). In this system, we assume that the failures, repairs, and preventive maintenance (PM)
Khalaf S. Sultan, Mohamed E. Moshref
doaj   +2 more sources

Recent advances in 3D printing of biodegradable metals for orthopaedic applications

open access: yesJournal of Biological Engineering, 2023
The use of biodegradable polymers for treating bone-related diseases has become a focal point in the field of biomedicine. Recent advancements in material technology have expanded the range of materials suitable for orthopaedic implants.
Wenqing Liang   +10 more
doaj   +2 more sources

Lateral and posterolateral iliac crest approach for bone marrow aspirate harvest in regenerative orthopedic applications [PDF]

open access: yesJournal of Orthopaedic Surgery and Research
Purpose To describe and standardize a reproducible posterolateral approach to the posterior iliac crest for bone marrow aspirate (BMA) harvesting, based on a palpation-guided technique with optional ultrasonographic confirmation, emphasizing anatomical ...
José Fábio Lana   +7 more
doaj   +2 more sources

Mechanisms Underlying Cell Therapy in Liver Fibrosis: An Overview

open access: yesCells, 2019
Fibrosis is a common feature in most pathogenetic processes in the liver, and usually results from a chronic insult that depletes the regenerative capacity of hepatocytes and activates multiple inflammatory pathways, recruiting resident and circulating ...
Daphne Pinheiro   +8 more
doaj   +2 more sources

Reliability Modeling of a Food Industrial System with two Types of Repair Persons wherein Demand is Season Dependent [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2022
The present study pertains to developing a reliability model concerning a food industrial system that runs throughout the month except for Sundays. There are two types of repair persons engaged with the system, one known as operator while another is ...
Monika, Garima Chopra
doaj   +1 more source

The Effect of Biomaterials on Human Dental Pulp Stem Cell Neural Differentiation: A Scoping Review [PDF]

open access: yesCell Journal, 2023
Neural cells are the most important components of the nervous system and have the duty of electrical signal transmission.Damage to these cells can lead to neurological disorders.
Maedeh Khatami   +6 more
doaj   +1 more source

Pushing the boundaries of innovation: the potential of ex vivo organ perfusion from an interdisciplinary point of view

open access: yesFrontiers in Cardiovascular Medicine, 2023
Ex vivo machine perfusion (EVMP) is an emerging technique for preserving explanted solid organs with primary application in allogeneic organ transplantation.
Jasper Iske   +17 more
semanticscholar   +1 more source

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