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    Wyświetlanie 1-13 z 13
    Tytuł:
    Migration of the banking sector to digital banking in Poland
    Migracja sektora bankowego do bankowości cyfrowej w Polsce
    Autorzy:
    Kozak, S.
    Golnik, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2051327.pdf
    Data publikacji:
    2020
    Wydawca:
    Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
    Tematy:
    banking in Poland
    digitization
    banking services
    mobile banking
    Opis:
    Subject and purpose of work: The aim of the article is to present selected aspects of the digitization process of the banking sector in Poland, including the role of the digital channel in the sale of banking products. Materials and methods: The research is of comparative character and is based on data from the financial website PRNews.pl, NBP, KNF and the ECB Bank. Results: Mobile banking in Poland is highly concentrated. In 2016-2019, the five largest banks serviced 82% of all mobile banking customers, and their number increased by 27% annually. Conclusions: Digitization simplifies the process of obtaining and processing information and contributes to reducing operating costs. However it also forces banks to prepare appropriate security and implement costly technological investments. It increases the availability and quality of banking services, and moves customer service from banking branches to the digital channel. Additionally it contributes to reducing the network of branches and the number of employees employed in them.
    Przedmiot i cel pracy: Celem artykułu jest przedstawienie wybranych aspektów procesu cyfryzacji sektora bankowego wPolsce, wtym roli bankowości elektronicznej wsprzedaży produktów bankowych. Materiały i metody: Badanie ma charakter porównawczy i opiera się na danych z finansowego portalu internetowego PRNews.pl, Narodowego Banku Polskiego, Komisji Nadzoru Finansowego i Europejskiego Banku Centralnego. Wyniki: Bankowość mobilna wPolsce jest silnie skoncentrowana. Wlatach 2016-2019 pięć największych banków obsługiwało 82% wszystkich klientów bankowości mobilnej, a ich liczba wzrastała o 27% rocznie. Wnioski: Cyfryzacja upraszcza proces pozyskiwania i przetwarzania informacji oraz przyczynia się do obniżenia kosztów operacyjnych. Zmusza jednak również banki do przygotowania odpowiednich zabezpieczeń i realizacji kosztownych inwestycji technologicznych. Zwiększa dostępność i jakość usług bankowych oraz przenosi obsługę klientów z oddziałów bankowych do kanału cyfrowego. Dodatkowo przyczynia się do zmniejszenia sieci oddziałów i liczby zatrudnionych w nich pracowników.
    Źródło:
    Economic and Regional Studies; 2020, 13, 3; 284-294
    2083-3725
    2451-182X
    Pojawia się w:
    Economic and Regional Studies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Control of squirrel-cage electric generators in a parallel intermediate DC circuit connection
    Autorzy:
    Kozak, M.
    Gordon, R.
    Bejger, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/135529.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    back-to-back
    DC link
    power distribution
    VSI
    FOC
    power machine
    Opis:
    The paper covers the theoretical background and tests of two asynchronous squirrel cage generators connected to voltage source inverters working in parallel. Inverters were connected in parallel by their intermediate direct current circuits by means of auctioneering diodes, and then to a DC power network. The real-time control algorithm of digital signal processor DSP and field-programmable gate array FPGA was used to achieve proper excitation of two different power machines, and to maintain high enough levels of direct current link voltage. Windings of both generators are fed by use of so-called machine side inverters. The asynchronous generator is a voltage source inverter controlled by a field-oriented control algorithm based on the current machine model. To prove robustness of the chosen algorithm, different types of load were applied while generators and inverters worked in parallel.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 45 (117); 17-22
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tests of HTS 2G superconducting tapes using the LabVIEW environment
    Autorzy:
    Kwoka, R.
    Kozak, J.
    Majka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/118249.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    superconducting winding
    HTS tape
    LabVIEW
    superconducting fault current limiter
    uzwojenie nadprzewodzące
    Taśma HTS
    nadprzewodnikowy ogranicznik prądu zwarciowego
    Opis:
    HTS 2G superconducting tapes without stabilizer are used for the construction of superconducting fault current limiters. The characteristics R =f(T) of the su-perconducting tape is essential for design of superconducting current limiters and analysis of their numerical models. The article presents the experimentally determined characteristics R=f(T) of the second ge-neration superconducting tapes SF4050 and SF12050 using the LabVIEW integrated environment. The article describes the method of sample preparation and methodology of testing of HTS 2G superconducting tapes. The LabVIEW integrated environment was used for the testing, thanks to which it was possible to download, process and save measurement data.
    Źródło:
    Applied Computer Science; 2018, 14, 1; 64-72
    1895-3735
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Acoustic emission of monolithic IGBT transistors
    Autorzy:
    Bejger, A.
    Kozak, M.
    Gordon, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/27315861.pdf
    Data publikacji:
    2018
    Wydawca:
    STE GROUP
    Opis:
    Due to the increasing number of applications of power semiconductor devices, more and more attention is being paid to diagnostic methods to determine the condition of working semiconductor components. On the basis of the results of experimental research, a correlation can be observed between the transition between the on/off states of a single IGBT transistor in operation and the acoustic signal emitted by it. Acquisition of acoustic emission signals was obtained using a specialized sensor from Vallen. To record the received signal, a high resolution digital oscilloscope was used, which exported the recorded signal to a file, which enabled further digital processing of the acquired signals. The aim of the study was to determine the usefulness of acoustic emission detection methods to determine the possibility of damage to an element based on the recorded acoustic signal.
    Źródło:
    New Trends in Production Engineering; 2018, 1, 1; 755-760
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structural Studies of Selected DSPC-Surfactant Model Systems of Biological Membranes
    Autorzy:
    Szpotkowski, K.
    Kozak, M.
    Kozak, A.
    Zieliński, R.
    Wieczorek, D.
    Jurga, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1809762.pdf
    Data publikacji:
    2009-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    33.20.Ea
    47.55.dk
    87.14.Cc
    87.16.D-
    Opis:
    Fourier transform infrared spectroscopy was used to analyse the influence of a cationic surfactant from the group of morpholine derivatives on the conformational dynamics of $CH_2$ group in acyl chain of DSPC. The presence of the surfactant causes a decrease in the DSPC phase transition temperature. This result suggests that the surfactant interactions with phospholipid molecules disturb the lipid layers. The Fourier transform infrared measurements were supplemented with tests of the environmental toxicity of the surfactant used.
    Źródło:
    Acta Physica Polonica A; 2009, 115, 2; 561-564
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the potential of dimethyl ether as an alternative fuel for compression ignition engines
    Autorzy:
    Smolec, R.
    Idzior, M.
    Karpiuk, W.
    Kozak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/133723.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    dimethyl ether
    DME
    alternative fuels
    common rail
    biofuel
    eter dimetylowy
    paliwa alternatywne
    biopaliwa
    Opis:
    The main problem that the automotive industry has been dealing with since the beginning of the XXI century is the need to reduce the exhaust emissions from piston combustion engines. Another, not at all less important problem is the depleting natural resources of crude oil. There are many concepts aiming at resolving of the said issues. One of them is the possibility of application of dimethyl ether (DME) in a classic engine. The paper characterizes this fuel, drawing attention to the aspects related to the adaptation of the engine to this type of fuel, presents the process of its atomization and relevant exhaust emissions.
    Źródło:
    Combustion Engines; 2017, 56, 2; 181-186
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Radon chambers - technical design and some calibration problems
    Kalibracyjne komory radonowe w instytucie Fizyki Jądrowej PAN w Krakowie
    Autorzy:
    Kozak, K.
    Mazur, J.
    Janik, M.
    Zdziarski., T.
    Haber, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/340198.pdf
    Data publikacji:
    2004
    Wydawca:
    Główny Instytut Górnictwa
    Tematy:
    Instytut Techniki Jądrowej PAN w Krakowie
    miernik AlphaGUARD PQ2000
    kalibracyjna komora radonowa
    Institut of Nuclear Physics Polish Academy of Sciences in Kraków
    AlphaGUARD PQ2000 meter
    radon chambers
    Źródło:
    Prace Naukowe GIG. Górnictwo i Środowisko / Główny Instytut Górnictwa; 2004, 1; 57-58
    1643-7608
    Pojawia się w:
    Prace Naukowe GIG. Górnictwo i Środowisko / Główny Instytut Górnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Regionalisation of unutilised agricultural area in Poland
    Autorzy:
    Pudelko, R.
    Kozak, M.
    Jedrejek, A.
    Galczynska, M.
    Pomianek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/905295.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Opis:
    Until the marketization of economy in 1990, practically there was no unutilised agricultural land in Poland. After the political transformation, the use of marginal land and part of small agricultural parcels located in areas of better soil agricultural suitability became unprofitable for economic reasons. Despite the reform of Polish agriculture, the problem of not using a large part of agricultural land is constantly present. There are currently no detailed data available on the actual scale of regionalisation and the structure of the landuse abandonment in Poland. Due to the above, the objective of this study is to fill knowledge gaps on this phenomenon. Analyses were performed based on cadastral maps for the whole country. It is the first comprehensive and detailed study of this issue, giving the full review of the regionalisation of abandoned land. Unutilised land defined as: cadastral parcels located on rural land, which is not declared as production area by farmers. The study has shown that currently in Poland more than 2.7 million ha of agricultural land is not declared by the farmers as area for agricultural activity. This assessment includes 2.03 million ha of unutilized areas of effective production (parcels > 0.3 ha), which constitutes 14.2% of the overall agricultural area. A significant proportion of the unutilised agricultural land constitute medium and high productivity soils: 59.7 thousand ha of class III, 73.87 thousand ha of class IIIa, 116.6 thousand ha of class IIIb, 240 thousand ha of class IV, 225 thousand ha of class IVa, 221 thousand ha of class IVb. Analyses showed clear regionalisation of the problem of unused potential in the agricultural production area. This situation is particularly visible in Małopolskie, Podkarpackie, Świętokrzyskie, Śląskie, and part of Mazowieckie voivodeships.
    Źródło:
    Polish Journal of Soil Science; 2018, 51, 1
    0079-2985
    Pojawia się w:
    Polish Journal of Soil Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of metrological conditions on radon measurements in soil - preliminary results
    Wpływ warunków metrologicznych na stężenia radonu w glebie - wstępne wyniki
    Autorzy:
    Mazur, J.
    Kozak, T.
    Horwacik, T.
    Haber, R.
    Zdziarski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/340202.pdf
    Data publikacji:
    2004
    Wydawca:
    Główny Instytut Górnictwa
    Tematy:
    skażenie radonem
    skażenie gleby
    ekshalacja radonu
    radon contamination
    soil contamination
    radon exhalation
    Źródło:
    Prace Naukowe GIG. Górnictwo i Środowisko / Główny Instytut Górnictwa; 2004, 1; 59-60
    1643-7608
    Pojawia się w:
    Prace Naukowe GIG. Górnictwo i Środowisko / Główny Instytut Górnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biochemical and structural studies of plant circadian clock proteins
    Autorzy:
    Saini, R.
    Szpotkowski, K.
    Kozak, M.
    Jaskolski, M.
    Davis, S.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/80840.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    circadian clock
    diurnal change
    plant circadian clock
    protein
    multiple feedback loop
    crystallization
    recombinant fusion protein
    early flowering
    small angle X-ray scattering
    protein-protein interaction
    biochemical study
    structural study
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 1
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tibial tuberosity. Trochlear groove distance in symptom-free young subjects and the proposal for a new guideline value to evaluate patellofemoral pain syndrome in case of trochlea dysplasia
    Autorzy:
    Alk, A.
    Bantle, V.
    Martin, T.
    Wang, R.
    Kasprzyk, M.
    Kozak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063813.pdf
    Data publikacji:
    2018
    Wydawca:
    Międzynarodowe Stowarzyszenie na rzecz Robotyki Medycznej
    Tematy:
    zespół bólu rzepkowo-udowego
    kolano biegacza
    mobilny system ultrasonograficzny oparty na smartfonie
    patellofemoral pain syndrome
    PFPS
    TT-TG
    smartphone-based mobile sonography system
    Opis:
    For the evaluation of the patellofemoral pain syndrome (PFPS) the mediolateral distance between the tibial tuberosity and the trochlear groove (TT-TG) is considered as the gold standard. In this work, we propose to replace the measurement of the TT-TG with conventional tomographic or radiological section images by a smartphone-based mobile sonography system. This new system allows to provide not only ultrasound imaging but also a measuring method for determining the TT-TG using a smartphone as a mobile tracking unit. Moreover, the system supports the diagnosis by acquiring an additional parameter: the mediolateral distance between the intercondylar notch and the tibial tuberosity (TT-IN). The distinctive structure of the intercondylar notch simplifies the examination compared to using the trochlear groove alone. A feasibility study conducted for this paper indicates that this second guideline value is an adequate replacement for the conventional measurement of the TT-TG. Especially in case of trochlea dysplasia the detection and definition of the groove may be difficult and the TT-IN value offers a reasonable alternative. Our study shows that the proposed sonography system is able to accurately determine the TT-TG in a population of symptom-free young subjects. These measurements range from 13.1 ± 4.2 mm for male to 14.8 ± 3.4 mm for female subjects. Our findings correspond to the postulated values of the gold standard. We are able to show that the values for the TT-IN are in a comparable range with 14.4 ± 4.1mm for men and 13.6 ± 4.0 mm for women. We are convinced that this study strongly indicates that the TT-IN is a useful value that is easy to measure with a mobile ultrasound-based measurement system and can provide the same level of diagnostic value compared to the gold standard TT-TG. In conclusion, a new guideline value is presented to complement the measurement of the TT-TG when a pathological anatomy prevents the detection of the groove.
    Źródło:
    Medical Robotics Reports; 2018, 7; 26--30
    2299-7407
    Pojawia się w:
    Medical Robotics Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of air conditioning changes on the effective dose due to radon and its short-lived decay products
    Autorzy:
    Grządziel, A.
    Kozak, K.
    Mazur, J.
    Połednik, B.
    Dudzińska, M. R.
    Bilska, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/147303.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    radon
    radon progeny
    attached fraction of radon progeny
    unattached fraction of radon progeny
    dose conversion factor
    Opis:
    Most people spend the majority of their time in indoor environments where the level of harmful pollutants is often significantly higher than outdoors. Radon (222Rn) and its decay products are the example of radioactive pollutants. These radioisotopes are the main source of ionizing radiation in non-industrial buildings. The aim of the study was to determine the impact of air-conditioning system on radon and its progeny concentrations and thus on the effective dose. The measurements were carried out in the auditorium at the Environmental Engineering Faculty (Lublin University of Technology, Poland). Measurements of radon and its progeny (in attached and unattached fractions) as well as measurements of the following indoor air parameters were performed in two air-conditioning (AC) operation modes: AC ON and AC ON/OFF. The air supply rate and air recirculation were taken into consideration. The separation of radon progeny into attached and unattached fractions allowed for determining, respectively, the dose conversion factor (DCF) and the inhalation dose for teachers and students in the auditorium. A considerable increase of the mean radon progeny concentrations from 1.2 Bq/m3 to 5.0 Bq/m3 was observed in the AC ON/OFF mode compared to the AC ON mode. This also resulted in the increase of the inhalation dose from 0.005 mSv/y to 0.016 mSv/y (for 200 h/year). Furthermore, the change of the air recirculation rate from 0% to 80% resulted in a decrease of the mean radon concentration from 30 Bq/m3 to 12 Bq/m3 and the reduction of the mean radon progeny concentration from 1.4 Bq/m3 to 0.8 Bq/m3. This resulted in the reduction of the inhalation dose from 0.006 mSv/y to 0.003 mSv/y.
    Źródło:
    Nukleonika; 2016, 61, 3; 239-244
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Revision of Nymphaea candida range - new data on the distribution and habitat preferences of the species in southern Poland
    Autorzy:
    Nowak, A.
    Nobis, M.
    Dajdok, Z.
    Zalewska-Galosz, J.
    Nowak, S.
    Nobis, A.
    Czerniawska-Kusza, I.
    Kozak, M.
    Stebel, A.
    Bula, R.
    Sugier, P.
    Szlachetka, A.
    Bena, W.
    Trojecka, A.
    Piwowarczyk, R.
    Adamiec, A.
    Krawczyk, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/58771.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    revision
    Nymphaea candida
    species distribution
    habitat preference
    Polska
    pond
    aquatic vegetation
    species range
    location
    species list
    locality list
    morphological characteristics
    Opis:
    The paper presents results of geobotanical and taxonomic studies on the distribution and habitat requirements of Nymphaea candida in southern Poland. The researches were conducted in southern Poland in 2003-2009, in the provinces of Lower Silesia, Lublin, Małopolska, Opole, Silesian province as well as, in southern parts of Mazowieckie and Lubuskie. Flowers, leaves and fruits of Nymphaea species were collected from 27 locations. Altogether pollens from 73 populations of N. candida and 18 of N. alba from all the researched area were measured. The trophic level of an ecosystem was evaluated according to the results of the total nitrogen, total phosphorus, chlorophyll a, transparency and biological parameters. As the result of the studies of more than 200 water bodies, 57 localities of N. candida were documented within the investigation area. The populations of N. candida occupy mid-forest water bodies and river ox-bow lakes. A significant number of populations was also found in artificial reservoirs - fish ponds. The most suitable habitat conditions for N. candida occur in shallow waters in the shore zone with the amplitude of the water column vary from 0.5 to 2 m. Regarding the trophy level, N. candida occupies different habitats, mainly mesotrophic and also eutrophic with high content of organic matters. Considering the 15 checked morphological parameters, especially the stigma diameter, the number of carpellary teeth, flower and pollen diameters, the found and collected specimens of N. candida significantly differ from N. alba. The study confirms that N. candida ocurrs in whole lowland Poland without any regional distribution gaps. According to the IUCN guidelines to species assessment the data gathered during the presented study do not allow to classify N. candida as a vulnerable species in Poland. Still existing populations for more than 150 years, numerous stable locations, abundant populations, a habitat accessibility, a biotope extent, an ecological amplitude against the trophy level and direct human impacts suggest, that the species should be regarded as a least concern (LC) taxon.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2010, 79, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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