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Wyświetlanie 1-3 z 3
Tytuł:
The Carbon Footprint Methodology in CFOOD Project
Autorzy:
Stawska, Zofia
Milczarski, Piotr
Zieliński, Bartosz
Hłobaż, Artur
Maślanka, Paweł
Kosiński, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/1844477.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
carbon footprint
greenhouse gas emission
LCA method
sustainable development
Prolog
Opis:
In the paper, the research on the process of optimizing the carbon footprint to obtain the low-carbon products is presented. The optimization process and limits were analyzed based on the CFOOD project co-financed by the Polish Research and Development Agency. In the article, the carbon footprint (CF) testing methods with particular emphasis on product life cycle assessment (LCA) are discussed. The main problem is that the energy received from the energy-meters per the production stage is not directly represented in the raw data set obtained from the factory because many production line machines are connected to a single measurement point. In the paper, we show that in some energy-demanding production stages connected with cooling processes the energy used for the same stage and similar production can differ even 25-40%. That is why the energy optimization in the production can be very demanding.
Źródło:
International Journal of Electronics and Telecommunications; 2020, 66, 4; 781-786
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stress proteins concentration in caged Cyprinus carpio as a tool to monitor ecological stability in a model dam reservoir
Autorzy:
Babczyńska, Agnieszka
Tarnawska, Monika
Łaszczyca, Piotr
Migula, Paweł
Łozowski, Bartosz
Woźnica, Andrzej
Irnazarow, Ilgiz
Augustyniak, Maria
Powiązania:
https://bibliotekanauki.pl/articles/1845420.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
biomonitoring
dam reservoir
Cyprinus carpio
water protection
metallothioneins
caging experiment
Opis:
Variability of stress proteins concentration in caged carp exposed to transplantation experiment model dam reservoir was caused only by natural (climatic and biological) conditions. Thus, the reference data of stress proteins concentration range in young carp individuals were obtained. Metallothionein, HSP70 and HSP90 protein concentrations as biomarkers were assayed in the livers, gills and muscles of six-month-old (summer) or nine-month-old (autumn) carp individuals in relation to the site of encaging, season (summer or autumn), the term of sampling (1, 2 or 3 weeks after the transplantation) and tissue. Physicochemical analyses of the condition of water as well as pollution detection were conducted during each stage of the experiment. As the result of this study, the range of the variability of the stress protein concentration in young carp individuals was obtained. According to the analyses of the aquatic conditions of a reservoir with no detectable pollutants, we conclude that the variability in the stress protein concentration levels in the groups that were compared is solely the result of the natural conditions. Future regular monitoring of the reservoir using the transplantation method and young carp individuals will be both possible and reliable. Moreover, the range of variability in the stress protein concentrations that were measured in the young C. carpio individuals acquired from the model dam reservoir in relation to all of the studied factors may be applied in the monitoring of any other similar reservoir.
Źródło:
Archives of Environmental Protection; 2021, 47, 1; 101-111
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metrology and control of electromagnetically actuated cantilevers using optical beam deflection method
Autorzy:
Kopiec, Daniel
Majstrzyk, Wojciech
Pruchnik, Bartosz
Gacka, Ewelina
Badura, Dominik
Sierakowski, Andrzej
Janus, Paweł
Gotszalk, Teodor
Powiązania:
https://bibliotekanauki.pl/articles/2052166.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
optical beam deflection
thermomechanical noise
low frequency noise
electromagnetically actuated cantilever
Lorentz force
Opis:
In this paper, we present metrology and control methods and techniques for electromagnetically actuated microcantilevers. The electromagnetically actuated cantilevers belong to the micro electro mechanical systems (MEMS), which can be used in high resolution force and mass change investigations. In the described experiments, silicon cantilevers with an integrated Lorentz current loop were investigated. The electromagnetically actuated cantilevers were characterized using a modified optical beam deflection (OBD) system, whose architecture was optimized in order to increase its resolution. The sensitivity of the OBD system was calibrated using a reference cantilever, whose spring constant was determined through thermomechanical noise analysis registered interferometrically. The optimized and calibrated OBD system was used to observe the resonance and bidirectional static deflection of the electromagnetically deflected cantilevers. After theoretical analysis and further experiments, it was possible to obtain setup sensitivity equal to 5.28 mV/nm.
Źródło:
Metrology and Measurement Systems; 2021, 28, 4; 627-642
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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