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- 저자 : Jooyandeh, Erfan (검색결과 2 건)
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Prioritizing the locations for hydrogen production using a hybrid wind-solar system: A case study
Mostafaeipour, Ali,Jooyandeh, Erfan Techno-Press 2017 Advances in energy research Vol.5 No.2
Energy is a major component of almost all economic, production, and service activities, and rapid population growth, urbanization and industrialization have led to ever growing demand for energy. Limited energy resources and increasingly evident environmental effects of fossil fuel consumption has led to a growing awareness about the importance of further use of renewable energy sources in the countries energy portfolio. Renewable hydrogen production is a convenient method for storage of unstable renewable energy sources such as wind and solar energy for use in other place or time. In this study, suitability of 25 cities located in Iran's western region for renewable hydrogen production are evaluated by multi-criteria decision making techniques including TOPSIS, VIKOR, ELECTRE, SAW, Fuzzy TOPSIS, and also hybrid ranking techniques. The choice of suitable location for the centralized renewable hydrogen production is associated with various technical, economic, social, geographic, and political criteria. This paper describes the criteria affecting the hydrogen production potential in the study region. Determined criteria are weighted with Shannon entropy method, and Angstrom model and wind power model are used to estimate respectively the solar and wind energy production potential in each city and each month. Assuming the use of proton exchange membrane electrolyzer for hydrogen production, the renewable hydrogen production potential of each city is then estimated based on the obtained wind and solar energy generation potentials. The rankings obtained with MCDMs show that Kermanshah is the best option for renewable hydrogen production, and evaluation of renewable hydrogen production capacities show that Gilangharb has the highest capacity among the studied cities.
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Fatemeh Mosallaie,Hossein Jooyandeh,Mohammad Hojjati,Ali Fazlara 한국식품과학회 2020 Food Science and Biotechnology Vol.29 No.6
The present study was conducted to investigatethe ability of two probiotic strains, L. acidophilus PTCC1643 and L. rhamnosus PTCC 1637, to bind aflatoxin B1(AFB1, 20 ng/ml) in comparison with yogurt starter cultures,at equal bacterial count (* 109 LogCFU/ml) duringa 21-day storage period at 4 C. All assessed treatmentsexhibited high percentages of AFB1-binding, ranged from64.56 to 96.58%. However, the ability of probiotic bacteriawas statistically higher than yogurt starter cultures. Aflatoxinbinding ability of the selected lactic acid bacteria wasdependent on both time and bacteria species. The highestand the lowest percentages of AFB1-removal was observedat 11th day of cold storage by L. rhamnosus(96.58 ± 3.97%) and at the first day of storage for yogurtstarter cultures (64.56 ± 5.32%), respectively. The stabilityof bacterial cells-AFB1 complex was remarkable, sinceonly 0.84–26.75% of bounded AFB1 was released frombacterial cells after 3 times washing during the storageperiod.
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