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    Wyświetlanie 1-14 z 14
    Tytuł:
    Employee motivation phenomenon
    Autorzy:
    Woźniak, Edyta
    Powiązania:
    https://bibliotekanauki.pl/articles/1162574.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    employment stability
    human resource management
    motivation
    remuneration
    Opis:
    The article presents the employee motivation phenomenon. Thanks to the use of literature review methods, theoretical aspects of the issue were discussed and possible models of motivation, financial and non-financial elements of motivation were presented. The article constitutes the synthesis of employee motivation theory and includes the explanation of how motivation affects employee behavior. The aim of this study is to present motivational models, because the motivation of employees is a difficult and demanding task for employers and managers. Enterprises are focused on multiplying profits, development and maintenance of competitive positions on the market, thus it is necessary to properly motivate and search for new solutions covering financial and non-financial incentives. Considering high costs of retention of the employee in the organization, it is rational to identify, analyze and criticize the theories of motivation underlying the retention of employees in organizations. Low level of unemployment can force many organizations to re-examine their employees' retention strategies as part of their efforts.
    Źródło:
    World Scientific News; 2018, 111; 111-120
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Socio-cultural and political conditions for reconciling professional and family roles in organisations
    Autorzy:
    Woźniak, Edyta
    Powiązania:
    https://bibliotekanauki.pl/articles/1046522.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    cultural conditions
    family role
    political conditions
    professional role
    reconciliation of roles
    social conditions
    Opis:
    Professional and family roles are one of the basic and most important roles performed by adults. Transformations of modern organisations and families show that these two types of social groups are closely related. Work allows people to acquire material resources that are necessary to meet family needs and determine its social status. This study is of qualitative nature. Its main goal is to identify the factors that limit professional activation of mothers and those that limit implementation of the right of fathers to engage in the family life related to the difficulties encountered in reconciling professional and family roles. The attempt to identify these factors was carried out at the level of individual parent strategies, organisation practices, and at the level of implemented social policy, taking into account employers' organisations and trade union opinions.
    Źródło:
    World Scientific News; 2019, 136; 22-32
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The sources of conflict in combining family and professional roles
    Autorzy:
    Woźniak, Edyta
    Powiązania:
    https://bibliotekanauki.pl/articles/1046526.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    family role
    family-work conflict
    men’s role
    professional role
    sources of conflict
    women’s role
    work-family conflict
    Opis:
    Presented article analyzes the sources of conflict between the family role and the professional role. The article is focused on the sources of conflict between work and family. The possibility of interference between these two roles should be closely investigated and better understood. Despite that in some cases the lines between professional and family life tend to blur, both of these types of life still have different roles and requirements. The article is an investigation of attainable literature and studies regarding the subject. The empirical investigation imply that the conflict of roles starts when the time committed to the requirements of one of them makes it difficult to meet the requirements of the other. Even though lately the number of investigations of this subject has grown, the results are still differentiated and sometimes even self-contradictory. The comparison of the results of different investigators showed that the work-family and family-work conflicts are positively correlated which indicates mutual strengthening and necessity of searching for common and individual causes that condition their coexistence, domination and strength. The received results are consistent with the results of many other studies, whose authors tried to indicate that each of these conflicts could have specific causes and course.
    Źródło:
    World Scientific News; 2019, 136; 78-94
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rural tourism opportunity spectrum: linking people and landscape for spatial planning
    Autorzy:
    Kulczyk, Sylwia
    Woźniak, Edyta
    Powiązania:
    https://bibliotekanauki.pl/articles/2096273.pdf
    Data publikacji:
    2022-09-09
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    Tourism
    landscape
    rural areas
    suitability
    spatial analysis
    Opis:
    The aim of the study was to develop a low-cost method for tourism opportunity spectrum evaluation in rural landscapes. The method uses the geographic information system (GIS) for spatial analysis of the problem. Open source materials are used in the evaluation. Three principal indices derived from spatial data are evaluated: attraction index, view index, and access index. These form the basis for tourism suitability and opportunity spectrum evaluation. The analysis is realized for two types of tourists: those using cars, and hikers. The method permits the current state of tourism to be identified, and points out possible ways for further development as well as identifying valuable but overexploited zones which should be conserved. The obtained results can improve the sustainable management of landscapes and enhance the profits of rural areas.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2022, 26, 2; 101-110
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Satelitarne rozpoznawanie upraw i szacowanie ich powierzchni w ramach systemu SATMIROL
    Satellite-based crop identification and area estimation under the SATMIROL system
    Autorzy:
    Mleczko, Magdalena
    Slesiński, Przemysław
    Milewski, Tomasz
    Łączyński, Artur
    Miziołek, Dariusz
    Woźniak, Edyta
    Bojanowski, Jędrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/2124988.pdf
    Data publikacji:
    2022-09-30
    Wydawca:
    Główny Urząd Statystyczny
    Tematy:
    teledetekcja satelitarna
    obserwacje Ziemi
    statystyka rolnictwa
    identyfikacja upraw
    szacunek powierzchni upraw rolnych
    satellite remote sensing
    Earth observations
    agricultural statistics
    crops dentification
    crops area estimation
    Opis:
    Jednym z ważnych obszarów zastosowania satelitarnych obserwacji Ziemi jest statystyka rolnictwa. Wykorzystanie nowych technologii cyfrowych i danych satelitarnych przyczyniło się do jej unowocześnienia i pomaga rozwiązywać problemy, z jakimi mierzy się ona obecnie oraz z jakimi borykają się odbiorcy danych statystycznych z zakresu rolnictwa. Głównym celem niniejszego artykułu jest zaprezentowanie innowacyjnego systemu satelitarnej identyfikacji i monitorowania upraw rolnych – SATMIROL. System ten został opracowany przez Główny Urząd Statystyczny, Instytut Geodezji i Kartografii oraz Centrum Badań Kosmicznych Polskiej Akademii Nauk na potrzeby statystyki rolnictwa z wykorzystaniem danych satelitarnych z programu Copernicus i danych administracyjnych. W opracowaniu omówiono wybrane moduły tego systemu, w których metody teledetekcji satelitarnej znalazły zastosowanie do rozpoznawania upraw. Przedstawiono też wyniki szacunku powierzchni upraw w skali kraju w trzech okresach pomiarowych w latach: 2019, 2020 i 2021. Wprowadzenie systemu SATMIROL umożliwiło prezentację danych w ujęciu przestrzennym, na co nie pozwalają tradycyjne metody stosowane w produkcji statystycznej. Dzięki nowej metodzie dane mogą być przedstawiane na wszystkich poziomach podziału administracyjnego kraju (województw, powiatów i gmin).
    One important area where satellite-based Earth observation is applied in is agricultural statistics. The use of new digital technologies and satellite data have contributed to the modernisation of the aforementioned scientific area and is designed to overcome the problems that both agricultural statistics and the recipients of statistical data are faced with. The main aim of the article is to present an innovative system of satellite-based crop identification and crop growth monitoring – SATMIROL. The system was developed by Statistics Poland, the Institute of Geodesy and Cartography and the Space Research Centre of the Polish Academy of Sciences. SATMIROL provides agricultural statistics based on satellite data from the Copernicus programme and administrative data. The article focuses on selected modules of the system which involve the use of satellite remote sensing for crop identification. The study also presents a nationwide crop area estimation performed in three periods: 2019, 2020 and 2021. The implementation of SATMIROL allowed the presentation of statistical data on agriculture in spatial terms, which is not possible when applying traditional methods of data production. This new method of acquiring data enables their presentation at all levels of Poland’s administrative division, i.e. by voivodship, poviat (district) and gmina (commune).
    Źródło:
    Wiadomości Statystyczne. The Polish Statistician; 2022, 67, 9; 53-74
    0043-518X
    Pojawia się w:
    Wiadomości Statystyczne. The Polish Statistician
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Theoretical models of catalytic domains of protein phosphatases 1 and 2A with Zn2+ and Mn2+ metal dications and putative bioligands in their catalytic centers.
    Autorzy:
    Woźniak-Celmer, Edyta
    Ołdziej, Stanisław
    Ciarkowski, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/1044161.pdf
    Data publikacji:
    2001
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    protein phosphatase inhibitors
    constrained simulated annealing
    protein phosphatase 1A and 2B
    molecular dynamics
    homology modeling
    Opis:
    The oligomeric metalloenzymes protein phosphatases dephosphorylate OH groups of Ser/Thr or Tyr residues of proteins whose actions depend on the phosphorus signal. The catalytic units of Ser/Thr protein phosphatases 1, 2A and 2B (PP1c, PP2Ac and PP2Bc, respectively), which exhibit about 45% sequence similarity, have their active centers practically identical. This feature strongly suggests that the unknown structure of PP2Ac could be successfully homology-modeled from the known structures of PP1c and/or PP2Bc. Initially, a theoretical model of PP1c was built, including a phosphate and a metal dication in its catalytic site. The latter was modeled, together with a structural hydroxyl anion, as a triangular pseudo-molecule (Zno or Mno), composed of two metal cations (double Zn2+ or Mn2+, respectively) and the OH- group. To the free PP1c two inhibitor sequences R29RRRPpTPAMLFR40 of DARPP-32 and R30RRRPpTPATLVLT42 of Inhibitor-1, and two putative substrate sequences LRRApSVA and QRRQRKpRRTI were subsequently docked. In the next step, a free PP2Ac model was built via homology re-modeling of the PP1c template and the same four sequences were docked to it. Thus, together, 20 starting model complexes were built, allowing for combination of the Zno and Mno pseudo-molecules, free enzymes and the peptide ligands docked in the catalytic sites of PP1c and PP2Ac. All models were subsequently subjected to 250-300 ps molecular dynamics using the AMBER 5.0 program. The equilibrated trajectories of the final 50 ps were taken for further analyses. The theoretical models of PP1c complexes, irrespective of the dication type, exhibited increased mobilities in the following residue ranges: 195-200, 273-278, 287-209 for the inhibitor sequences and 21-25, 194-200, 222-227, 261, 299-302 for the substrate sequences. Paradoxically, the analogous PP2Ac models appeared much more stable in similar simulations, since only their "prosegment" residues 6-10 and 14-18 exhibited an increased mobility in the inhibitor complexes while no areas of increased mobility were found in the substrate complexes. Another general observation was that the complexes with Mn dications were more stable than those with Zn dications for both PP1c and PP2Ac units.
    Źródło:
    Acta Biochimica Polonica; 2001, 48, 1; 35-52
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Molecular simulations with high-performance computers
    Autorzy:
    Arłukowicz, Piotr
    Biernat, Ewa
    Ciarkowski, Jerzy
    Czaplewski, Cezary
    Groth, Małgorzata
    Kaźmierkiewicz, Rajmund
    Liwo, Adam
    Maksimiak, Katarzyna
    Nowacka, Małgorzata
    Ołdziej, Stanisław
    Rodziewicz, Sylwia
    Woźniak, Edyta
    Powiązania:
    https://bibliotekanauki.pl/articles/1953470.pdf
    Data publikacji:
    1997
    Wydawca:
    Politechnika Gdańska
    Opis:
    In this article, we present the work carried out in our group on various fields of theoretical biochemistry. Our main fields of research are as follows: i) design of an algorithm for de novo prediction of protein structure from amino-acid sequence using energetic criteria, ii) theoretical modeling of the structure and dynamics of neurohypophyseal-hormone receptors, iii) quantum-mechanical investigation of reactions in organic chemistry and biochemistry, and iv) theoretical conformational analysis of small peptides using experimental information. The performance of different machines, depending on the kind of calculations with special focus on the exploitation of parallelism as well as the applicability and performance of various commercial, free, and our home- made software (AMBER. GAUSSIAN, ECEPPAK, GAMESS, SYBYE, MSI/Biosym) available at TASK and the importance of graphical processing of the data are discussed.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 1997, 1, 1; 21-37
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of Selected Plant Species on Enzymatic Activity of Soil Substratum on Post-Mining Heaps
    Autorzy:
    Błońska, Agnieszka
    Kompała-Bąba, Agnieszka
    Sierka, Edyta
    Besenyei, Lynn
    Magurno, Franco
    Frydecka, Kinga
    Bierza, Wojciech
    Woźniak, Gabriela
    Powiązania:
    https://bibliotekanauki.pl/articles/124079.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    carboniferous waste rock dumping grounds
    mining heap
    enzymatic activities
    herbaceous plants
    grasses
    Opis:
    The natural mineral resources (hard coal, sands, dolomites, lead and zinc ores) found in the Silesia and the excavation of them led to significant transformation or even degradation of the environment. The landscape of Upper Silesia was dominated by heaps created as a result of the accumulation of post-mining coal waste. These postindustrial sites are characterised by difficult conditions for the development of plant communities. Nevertheless, the heaps are spontaneously overgrowing and over time, a separate ecosystem can be observed (for heaps). The article analyzes the enzymatic activity of the substrate in relation to the selected dominant grass (Monocots) and herbaceous (Dicots) plant species. The aim of this study was to compare the activity of particular enzymes in soil substratum of the vegetation patches dominated by grass and herbaceous plants.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 1; 138-144
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Partial characterization of human choriocarcinoma cell line JAR cells in regard to oxidative stress.
    Autorzy:
    Hallmann, Anna
    Klimek, Jerzy
    Masaoka, Makoto
    Kamiński, Marcin
    Kędzior, Jakub
    Majczak, Anna
    Niemczyk, Edyta
    Woźniak, Michał
    Trzonkowski, Piotr
    Wakabayashi, Takashi
    Powiązania:
    https://bibliotekanauki.pl/articles/1041517.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    menadione
    flow cytometry
    JAR cells
    placenta
    H2O2
    oxidative stress
    Opis:
    Characterization of free radical-induced cell injury processes of placenta cells is of vital importance for clinical medicine for the maintenance of intrauterine fetal life. The present study has analyzed cell injury processes in cells of the choriocarcinoma cell line JAR treated with menadione, an anticancer drug, and Hg2O2 in comparison to osteosarcoma 143B cells using electron microscopic and flow cytometric techniques. Flow cytometry on JAR cells exposed to 100 μM menadione and double-stained with Annexin V and propidium iodide (PI) detected apoptotic cells reaching the maximum after 4 h of incubation with a rapid decrease thereafter. Viable cells became decreased to 46% of the control after 2 h of incubation, reaching 5% after 4 h. Cells stainable with both Annexin V and PI began to increase distinctly after 2 h of incubation, reaching 55% after 4 h. Electron microscopy showed that cells stainable with both dyes specified above had condensed nuclei and swollen cytoplasm, suggesting that they were undergoing a switch of the cell death mode from apoptosis to necrosis. On the other hand, 90% of 143B cells remained intact after 4 h of menadione treatment although the intracellular levels of superoxide were always higher than those of JAR cells treated with the drug. In contrast, JAR cells were more resistant than 143B cells to H2O2-induced cytotoxicity. These results may suggest that cytotoxicity of menadione cannot be explained simply by oxygen free radicals generated from the drug. The resistance of JAR cells to oxygen free radical-induced cytotoxicity may be advantageous for intrauterine fetal life.
    Źródło:
    Acta Biochimica Polonica; 2004, 51, 4; 1023-1038
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A possible involvement of plasma membrane NAD(P)H oxidase in the switch mechanism of the cell death mode from apoptosis to necrosis in menadione-induced cell injury.
    Autorzy:
    Niemczyk, Edyta
    Majczak, Anna
    Hallmann, Anna
    Kędzior, Jakub
    Woźniak, Michał
    Wakabayashi, Takashi
    Powiązania:
    https://bibliotekanauki.pl/articles/1041516.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    menadione
    NADPH oxidase
    necrosis
    superoxide
    apoptosis
    Opis:
    The effects of inhibitors of plasma membrane NADPH oxidase on menadione-induced cell injury processes were studied using human osteosarcoma 143B cells. The intracellular level of superoxide in the cells treated with menadione for 6 h reached a maximum followed by an abrupt decrease. The population of apoptotic cells detected by Annexin V and propidium iodide double staining also reached its maximum at 6 h of menadione-treatment while that of necrotic cells increased continuously reaching 90% of the total population at 9 h of the treatment. Pretreatment of the cells with inhibitors of NADPH oxidase, including diphenyliodonium chloride, apocynin, N-vanillylnonanamide and staurosporine was effective in lowering the menadione-induced elevations of superoxide, and also in the suppression of the switch of the cell death mode from apoptosis to necrosis in menadione-treated cells except for the case of staurosporine. These results strongly suggest that superoxide generated by NADPH oxidase, besides that generated by the mitochondria, may contribute to the remarkable increase in the intracellular level of superoxide in the cells treated with menadione for 6 h resulting in the switch from apoptosis to necrosis, although a direct evidence of the presence of active and inactive forms of NADPH oxidase in control and menadione-treated 143B cells is lacking at present.
    Źródło:
    Acta Biochimica Polonica; 2004, 51, 4; 1015-1022
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Diversity of Vegetation Dominated by Selected Grass Species on Coal-Mine Spoil Heaps in Terms of Reclamation of Post-Industrial Areas
    Autorzy:
    Błońska, Agnieszka
    Kompała-Bąba, Agnieszka
    Sierka, Edyta
    Bierza, Wojciech
    Magurno, Franco
    Besenyei, Lynn
    Ryś, Karolina
    Woźniak, Gabriela
    Powiązania:
    https://bibliotekanauki.pl/articles/124434.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    grass species
    dominants
    diversity
    biomass
    coal-mine spoil heaps
    plant community
    reclamation
    Opis:
    Grasses have a considerable potential for the adaptation to various, often extreme, habitat conditions. The aim of the work was to present the vegetation diversity of the coal-mine spoil heaps with the dominant share of grasses and to identify the main factors responsible for this diversity in the aspect of post-industrial land reclamation. The communities differ in reference to the species preferences to light, moisture, soil fertility and reaction, which is reflected in the wide variety of microhabitats in the area. It was shown that the increase in the abundance of certain grass species, including Calamagrostis epigejos, Festuca rubra, Festuca arundinacea, Phragmites australis, has a significant negative impact on the species richness, species diversity and the uniformity of distribution of species of the plant community. Preliminary analyses revealed that on post-mining waste, the biomass production of the dominant species is negatively correlated with biodiversity. The knowledge about the biology and ecology of grass species, as well as on the assembly rules may be used in the reclamation of degraded areas. Gaining the knowledge about the vegetation diversity of the coal-mine spoil heaps with the dominant share of grasses can be useful in planning the reclamation works, taking into account natural processes, which leads to the creation of a permanent vegetation cover at a given site, protecting it against water or wind erosion. In the future these areas may provide a number of important ecosystem services.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 2; 209-217
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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