Results 11 to 20 of about 2,159,135 (269)

Remaining Life Assessment of Replaced Intelligent Electric Meter Fused Health Index with Grey Theory

Journal of Harbin University of Science and Technology, 2022
To implement intensive measuring assets and other demands of SGCC, and the principle on maintenance and taking advantage of replaced intelligent electric meter, aremnant life assessment model of replaced intelligent electric meter is built by combining ...
JING Zhen, WANG Li, YANG Mei, YAN Hong-rui, GUO Liang, WANG Zhe-long, ZHANG Jia-hai   +6 more
doaj   +1 more source

Analysis of risk factors for postoperative complications in assessing the results of surgical treatment of patients with perforated ulcer

Вестник медицинского института «Реавиз»: Реабилитация, врач и здоровье, 2023
Emergency operations for perforated gastroduodenal ulcers are associated with a high incidence of postoperative complications.  A number of studies have examined the impact of perioperative risk factors and comorbidities on postoperative morbidity after ...
M. М. Magomedov, M. D. Omarov, M. A. Magomedov   +2 more
doaj   +1 more source

Quality of Beef Burgers Formulated with Fat Substitute in a Form of Freeze-Dried Hydrogel Enriched with Açai Oil

Molecules, 2022
The growing number of people at high risk of cardiovascular disease development contributed to both changes in diets by consumers and the reformulation of food products by food producers. Cardiovascular diseases are caused by the i.a. consumption of meat
Monika Hanula, Arkadiusz Szpicer, Elżbieta Górska-Horczyczak, Gohar Khachatryan, Ewelina Pogorzelska-Nowicka, Andrzej Poltorak   +5 more
doaj   +1 more source

Using autogenous training as a health-saving technology for students [PDF]

Физическое воспитание и студенческий спорт
The article reveals factors leading to the deterioration of students’ health, examines the impact of health-saving technologies, and also provides a study of the effect of autogenic training on health and stress.
Kurkina, Larisa V., Sidorova, Nadezhda A.   +1 more
doaj   +1 more source

Optimal Decision Making in Electrical Systems Using an Asset Risk Management Framework

Energies, 2021
In this paper, a methodology for optimal decision making for electrical systems is addressed. This methodology seeks to identify and to prioritize the replacement and maintenance of a power asset fleet optimizing the return of investment.
David L. Alvarez, Diego F. Rodriguez, Alben Cardenas, F. Faria da Silva, Claus Leth Bak, Rodolfo García, Sergio Rivera   +6 more
doaj   +1 more source

Co-Active Prioritization by Means of Contingency Tables for Analyzing Element-level Bridge Inspection Results and Optimizing Returns

Infrastructures, 2020
An efficient prioritization of bridge actions such as preventive maintenance, rehabilitation, or replacement (MRR) that accounts for inter-element interactions will optimize a long-term return on investments (ROI) in terms of service life extension. What
O. Brian Oyegbile, Mi G. Chorzepa
doaj   +1 more source

Applied Complex Diagnostics and Monitoring of Special Power Transformers

Energies, 2023
As a major component in electric power systems, power transformers are one of the most expensive and important pieces of electrical equipment. The trouble-free operation of power transformers is an important criterion for safety and stability in a power ...
Georgi Ivanov, Anelia Spasova, Valentin Mateev, Iliana Marinova   +3 more
doaj   +1 more source

Reliable Estimation for Health Index of Transformer Oil Based on Novel Combined Predictive Maintenance Techniques

IEEE Access, 2022
Transformer oil insulation condition may be deteriorated due to electrical and thermal faults, which may lead to transformer failure and system outage. In this regard, the first part of this paper presents comprehensive maintenance for power transformers
Mohamed Badawi, Shimaa A. Ibrahim, Diaa-Eldin A. Mansour, Adel A. El-Faraskoury, Sayed A. Ward, Karar Mahmoud, Matti Lehtonen, Mohamed M. F. Darwish   +7 more
doaj   +1 more source

A Fuzzy Logic Approach to Health Index Determination for a Gas-Insulated Switchgear

Energies, 2023
This paper presents a fuzzy logic approach, a simplified and adaptable method, to determine the health index of gas-insulated switchgear (GIS) bay and their compartments.
Nattapon Panmala, Thanapong Suwanasri, Cattareeya Suwanasri   +2 more
doaj   +1 more source

Assessment Criteria of Changes in Health Index Values over Time—A Transformer Population Study

Energies, 2022
The current use of health index algorithms is mainly limited to single assessments of the unit’s condition or the device comparison. The paper focuses on the changes in the health index values between the consecutive analyses. The algorithm used for this
Patryk Bohatyrewicz, Szymon Banaszak
doaj   +1 more source