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Wyświetlanie 1-3 z 3
Tytuł:
Vibration impact on people transported by mining belt conveyors
Autorzy:
Góra, Grzegorz
Iwaniec, Marek
Kulinowski, Piotr
Gac, Konrad
Powiązania:
https://bibliotekanauki.pl/articles/2146629.pdf
Data publikacji:
2020
Wydawca:
Politechnika Poznańska. Instytut Mechaniki Stosowanej
Tematy:
belt conveyor
accelerations
safety of transporting people
comfort of transporting people
przenośnik taśmowy
przyspieszenia
bezpieczeństwo podróżnych
komfort podróżnych
Opis:
The paper presents the description and results of experimental research whose purpose was to analyze the vibration influence the miner's body during riding on a belt conveyor for transporting coal. The transport of people on mining belt conveyors is a commonly used method to increase mining efficiency and improve a mine's profitability. The paper presents an assessment of safety and comfort parameters used in transporting people, the effect of strong vibrations on the human body and its internal organs, the measuring system used to record the accelerations during the experiment and the measurement results. The recorded data enabled a dynamic analysis of the movement and an assessment of safety and comfort of transported miners on the basis of defined indicators. The data included the accelerations from the moment of getting on the conveyor belt to the moment of going down onto the platform. The tests were carried out for two different belt conveyor speeds, which allowed to assess how conveyor speed affects safety and comfort of people transported on the mining belt conveyor.
Źródło:
Vibrations in Physical Systems; 2020, 31, 1; art. no. 2020109
0860-6897
Pojawia się w:
Vibrations in Physical Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Removal of nickel(II) from industrial wastewater using selected methods: a review
Autorzy:
Kruszelnicka, Izabela
Ginter-Kramarczyk, Dobrochna
Góra, Wojciech
Staszak, Katarzyna
Baraniak, Marek
Lota, Grzegorz
Regel-Rosocka, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/2202888.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nickel
nickel removal
wastewater
adsorption
electrocoagulation
membrane techniques
nikiel
usuwanie niklu
ścieki
adsorpcja
elektrokoagulacja
techniki membranowe
Opis:
Due to the increasing problem resulting from environmental pollution with heavy metals, great emphasis is placed on the development of removal methods of these pollutants from the environment. This study presents a literature review on the methods for the removal of nickel ions from aqueous solutions such as sorption, especially using low-cost sorbents which are very popular in 21 century, electrochemical processes and membrane techniques. It is often impossible to use a single technique for efficient removal of heavy metals from wastewater as the process depends on many factors, such as wastewater composition, pH, temperature and many others. The aim of this review is to present some selected removal techniques of nickel(II) from wastewater from the point of view of their efficiency and applicability.
Źródło:
Chemical and Process Engineering; 2022, 43, 4; 437--448
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Different statins produce highly divergent changes in gene expression profiles of human hepatoma cells: a pilot study
Autorzy:
Leszczynska, Agata
Gora, Monika
Plochocka, Danuta
Hoser, Grazyna
Szkopinska, Anna
Koblowska, Marta
Iwanicka-Nowicka, Roksana
Kotlinski, Maciej
Rawa, Katarzyna
Kiliszek, Marek
Burzynska, Beata
Powiązania:
https://bibliotekanauki.pl/articles/1039868.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
gene expression
statins
microarrays
human hepatoma cells
Opis:
Statins are inhibitors of 3-hydroxy-3-methylglutaryl-CoA reductase (HMGR), the key enzyme of the sterol biosynthesis pathway. Statin therapy is commonly regarded as well tolerated. However, serious adverse effects have also been reported, especially during high-dose statin therapy. The aim of our study was to investigate the effect of statins on gene expression profiles in human hepatoma HepG2 cells using Affymetrix Human Genome U133 Plus 2.0 arrays. Expression of 102, 857 and 1091 genes was changed substantially in HepG2 cells treated with simvastatin, fluvastatin and atorvastatin, respectively. Pathway and gene ontology analysis showed that many of the genes with changed expression levels were involved in a broad range of metabolic processes. The presented data clearly indicate substantial differences between the tested statins.
Źródło:
Acta Biochimica Polonica; 2011, 58, 4; 635-639
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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