Autor: Nawrocki, Witold. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analiza wybranych wskaźników niezawodności w systemie TPM do integracji procesów produkcji i utrzymania ruchu w przedsiębiorstwie produkcyjnym
Analysis of selected reliability indicators in the TPM system for the integration of production and maintenance processes in a production enterprise
Autorzy:: Nawrocki, Witold
Powiązania:: https://bibliotekanauki.pl/articles/339992.pdf
Data publikacji:: 2019
Wydawca:: Polskie Towarzystwo Zarządzania Produkcją
Tematy:: maintenance departments
TPM
Total Productive Maintenance
reliability indicators
EF card
andon
działy utrzymania ruchu
Kompleksowe Utrzymanie Ruchu
wskaźniki niezawodności
karta EF
Opis:: The article describes the role of the Maintenance Department in an enterprise in the automotive industry. The development trends of machinery maintenance are presented. The TPM (Total Production Maintenance) system was characterized with a particular indication of the integration between maintenance and production departments. The most commonly used indicators to assess machine performance are described. Research presents the role of cooperation between production and maintenance in the achievement of high operational reliability indicators for machines. Cooperation factors that may lead to changes in the frequency of failures are described.
Źródło:: Zarządzanie Przedsiębiorstwem; 2019, 22, 1; 13-18
1643-4773
Pojawia się w:: Zarządzanie Przedsiębiorstwem
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Structural aspects of the antioxidant activity of lutein in a model of photoreceptor membranes
Autorzy:: Wisniewska-Becker, Anna
Nawrocki, Grzegorz
Duda, Mariusz
Subczynski, Witold
Powiązania:: https://bibliotekanauki.pl/articles/1039793.pdf
Data publikacji:: 2012
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: macular xanthophylls
singlet oxygen
lutein
antioxidants
lipid domains
AMD
Opis:: It was shown that in membranes containing raft domains, the macular xanthophylls lutein and zeaxanthin are not distributed uniformly, but are excluded from saturated raft domains and about ten times more concentrated in unsaturated bulk lipids. The selective accumulation of lutein and zeaxanthin in direct proximity to unsaturated lipids, which are especially susceptible to lipid peroxidation, could be very important as far as their antioxidant activity is concerned. Therefore, the protective role of lutein against lipid peroxidation was investigated in membranes made of raft-forming mixtures and in models of photoreceptor outer segment membranes and compared with their antioxidant activity in homogeneous membranes composed of unsaturated lipids. Lipid peroxidation was induced by photosensitized reactions using rose Bengal and monitored by an MDA-TBA test, an iodometric assay, and oxygen consumption (using EPR spectroscopy and the mHCTPO spin label as an oxygen probe). The results show that lutein protects unsaturated lipids more effectively in membranes made of raft-forming mixtures than in homogeneous membranes. This suggests that the selective accumulation of macular xanthophylls in the most vulnerable regions of photoreceptor membranes may play an important role in enhancing their antioxidant properties and ability to prevent age-related macular diseases (such as age-related macular degeneration (AMD)).
Źródło:: Acta Biochimica Polonica; 2012, 59, 1; 119-124
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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