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Wyszukujesz frazę "Kaczmarek, Piotr" wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Maintenance 4.0 technologies – new opportunities for sustainability driven maintenance
Autorzy:
Jasiulewicz-Kaczmarek, Małgorzata
Legutko, Stanislaw
Kluk, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/407249.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Maintenance 4.0
smart maintenance
data-driven maintenance
sustainable maintenance
Opis:
Digitalization and sustainability are important topics for manufacturing industries as they are affecting all parts of the production chain. Various initiatives and approaches are set up to help companies adopt the principles of the fourth industrial revolution with respect sustainability. Within these actions the use of modern maintenance approaches such as Maintenance 4.0 is highlighted as one of the prevailing smart & sustainable manufacturing topics. The goal of this paper is to describe the latest trends within the area of maintenance management from the perspective of the challenges of the fourth industrial revolution and the economic, environmental and social challenges of sustainable development. In this work, intelligent and sustainable maintenance was considered in three perspectives. The first perspective is the historical perspective, in relation to which evolution has been presented in the approach to maintenance in accordance with the development of production engineering. The next perspective is the development perspective, which presents historical perspectives on maintenance data and data-driven maintenance technology. The third perspective, presents maintenance in the context of the dimensions of sustainable development and potential opportunities for including data-driven maintenance technology in the implementation of the economic, environmental and social challenges of sustainable production.
Źródło:
Management and Production Engineering Review; 2020, 11, 2; 74-87
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Validation of the Voluntary Participation in Online Surveys Scale
Autorzy:
Kaczmarek, Łukasz D.
Haładziński, Piotr
Kaczmarek, Lech
Bączkowski, Błażej
Ziarko, Michał
Dombrowski, Stephan U.
Powiązania:
https://bibliotekanauki.pl/articles/430343.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
motivation
response rate
web-based surveys
Self-Determination Theory
Opis:
A comprehensive understanding of participants’ motives to complete web-based surveys has the potential to improve data quality. In this study we tested the construct validity of a scale developed to measure motivation to participate in webbased surveys. We expected that 7 different motivations observed in our previous study will form a 3-factor structure, as predicted by Self-Determination Theory. This web-based questionnaire study comprised 257 participants completing the Voluntary Participation in Online Studies Scale. Their responses to 21 items underwent a principal component analysis and confi rmatory factor analysis. As we expected, three factors were identifi ed: intrinsic motivation, extrinsic motivation and amotivation. In line with Self-Determination Theory there are three distinct groups of motives among web-surveys participants with amotivation as an understudied motivational state. We discuss the results suggesting which types of motivation might lead to higher quality of data with an emphasis on possible negative effects of amotivation.
Źródło:
Polish Psychological Bulletin; 2012, 43, 3; 210-214
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Physical and soil water properties of technosols developed from lignite fly ash
Autorzy:
Kaczmarek, Zbigniew
Mocek-Płóciniak, Agnieszka
Gajewski, Piotr
Mendyk, Łukasz
Bocianowski, Jan
Powiązania:
https://bibliotekanauki.pl/articles/1845408.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
technosols
technogenic soils
fly ash
physical and soil water properties
reclamation
Opis:
The aim of this study was to determine the influence of reclamation on selected soil water properties in soils developed from lignite fly ash, deposited as a dry landfill, twenty years after forest reclamation was initiated. Five soil profiles, classified as technogenic soils (Technosols) within the fly ash disposal site of the Adamów (central Poland) power plant, were selected for this study. Disturbed and undisturbed samples (V=100 cm3) were collected from depths of 5–15 cm and 30–60 in each soil profile. The following physical properties were determined: particle size distribution, particle density, bulk density, soil moisture, hygroscopic water content, and the soil-water potential. Readily available water (RAW; difference of water content at pF=2.0 and at pF=3.7) and total available water (TAW; difference of water content at pF=2.0 and at pF=4.2) were calculated based on soil moisture tension (pF) values. The following chemical properties were determined: soil reaction, total organic carbon, total nitrogen content, carbonate content. Statistical analyses were conducted using the GenStat 18 statistical software package. The soils under study were characterized by very low bulk density, high total porosity, high field water capacity and maximum hygroscopicity. The RAW/TAW ratio values indicate very effective water retention in the soils, thereby ensuring a satisfactory water supply to the plants. However, statistical analysis did not show any clear trends in variability of any determined properties. The small differences in observed outcomes probably resulted from the original variability of the fly ash deposited on the studied landfill. Obtained results show the strong similarity of fly ash derived soils and Andosols in respect of physical and soil-water properties.
Źródło:
Archives of Environmental Protection; 2021, 47, 2; 95-102
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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