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Wyszukujesz frazę "Ahmad, Faizan" wg kryterium: Autor

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Effects of pH on the activity and structure of choline oxidase from Alcaligenes species
    Autorzy:
    Hekmat, Azadeh
    Saboury, Ali
    Moosavi-Movahedi, Ali
    Ghourchian, Hedayatollah
    Ahmad, Faizan
    Powiązania:
    https://bibliotekanauki.pl/articles/1040713.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    optimum pH
    choline oxidase
    nile red
    glycine-betaine
    Opis:
    A reversible effect of pH on the ionization of amino-acid residues at the active center of choline oxidase was observed near the optimum pH (8). Inactivation of choline oxidase took place in the pH ranges 3-6 and 9-11, in which irreversible changes in the structure occur leading to the enzyme inactivation. The first order rate constants of the enzyme's inactivation at various pH values were estimated for the irreversible changes. The Arrhenius analysis revealed no significant changes in the activation enthalpy, while an increase in the activation entropy reflected an increase in the conformational freedom.
    Źródło:
    Acta Biochimica Polonica; 2008, 55, 3; 549-557
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Neutrosophic compromise programming approach for multiobjective nonlinear transportation problem with supply and demand following the exponential distribution
    Autorzy:
    Adhami, Ahmad Yusuf
    Faizan, Mohd
    M, Anas
    Powiązania:
    https://bibliotekanauki.pl/articles/2175845.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    fuzzy approach
    multiobjective optimization
    supply chain
    transportation
    uncertainty
    Opis:
    Decision-making is a tedious and complex process. In the present competitive scenario, any incorrect decision may excessively harm an organization. Therefore, the parameters involved in the decision-making process should be looked into carefully as they may not always be of a deterministic nature. In the present study, a multiobjective nonlinear transportation problem is formulated, wherein the parameters involved in the objective functions are assumed to be fuzzy and both supply and demand are stochastic. Supply and demand are assumed to follow the exponential distribution. After converting the problem into an equivalent deterministic form, the multiobjective problem is solved using a neutrosophic compromise programming approach. A comparative study indicates that the proposed approach provides the best compromise solution, which is significantly better than the one obtained using the fuzzy programming approach.
    Źródło:
    Operations Research and Decisions; 2022, 32, 3; 1--15
    2081-8858
    2391-6060
    Pojawia się w:
    Operations Research and Decisions
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analyses of residential building efficiency for AC and DC distribution networks
    Autorzy:
    Ahmad, Faraz
    Dastgeer, Faizan
    Gelani, Hasan E.
    Khan, Sidra
    Nasir, Mashood
    Powiązania:
    https://bibliotekanauki.pl/articles/2173601.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    DC distribution system
    efficiency analysis
    AC vs DC
    residential buildings
    solar PV
    system dystrybucji prądu stałego
    analiza wydajności
    prąd zmienny
    prąd stały
    AC/DC
    budynki mieszkalne
    fotowoltaika
    Opis:
    The escalating prevalence of rooftop solar PVs and DC powered home appliances are the driving forces for the research in the field of DC distribution at residential level. The current research work presents comparative analyses of AC and DC distribution systems considering various scenarios for the specific purpose of efficiency/energy savings. A modern Bakersfield CA, USA home is considered for the analyses. The loads are classified according to the power demand. Rooftop solar PVs are also included in each residential building. Mathematical equations are devised for the efficiency analysis of residential buildings powered with AC as well as DC. The results reveal strong dependence of the efficiency values on the utilization/types of loads, efficiencies of the power electronic converters (PECs), solar capacity and seasonal conditions, as a function of the time of day. It is concluded that AC system presents better efficiency values as compared to the DC counterpart except during the time periods when solar power is available and when the penetration of variable speed drive (VSD) based loads is high.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; art. no. e136732
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analyses of residential building efficiency for AC and DC distribution networks
    Autorzy:
    Ahmad, Faraz
    Dastgeer, Faizan
    Gelani, Hasan E.
    Khan, Sidra
    Nasir, Mashood
    Powiązania:
    https://bibliotekanauki.pl/articles/2128137.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    DC distribution system
    efficiency analysis
    AC vs DC
    residential buildings
    solar PV
    system dystrybucji prądu stałego
    analiza wydajności
    prąd zmienny
    prąd stały
    AC/DC
    budynki mieszkalne
    fotowoltaika
    Opis:
    The escalating prevalence of rooftop solar PVs and DC powered home appliances are the driving forces for the research in the field of DC distribution at residential level. The current research work presents comparative analyses of AC and DC distribution systems considering various scenarios for the specific purpose of efficiency/energy savings. A modern Bakersfield CA, USA home is considered for the analyses. The loads are classified according to the power demand. Rooftop solar PVs are also included in each residential building. Mathematical equations are devised for the efficiency analysis of residential buildings powered with AC as well as DC. The results reveal strong dependence of the efficiency values on the utilization/types of loads, efficiencies of the power electronic converters (PECs), solar capacity and seasonal conditions, as a function of the time of day. It is concluded that AC system presents better efficiency values as compared to the DC counterpart except during the time periods when solar power is available and when the penetration of variable speed drive (VSD) based loads is high.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; e136732, 1--9
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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