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Wyszukujesz frazę "Rezaei, M." wg kryterium: Autor

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    Wyświetlanie 1-8 z 8
    Tytuł:
    On new aging classes based on the reversed mean residual life order
    Autorzy:
    Ahmadi, K.
    Rezaei, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/205810.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    reversed mean residual life
    stochastic order
    aging class
    preservation
    characterizations
    IRMR
    Opis:
    In this paper, we introduce new concepts of aging for lifetime distributions. The main idea is the comparison between reversed mean residual life of the random variables X and (X − t | X > t), for all t > 0. Firstly, with some examples, we highlight the role of the proposed aging classes in reliability and life testing. Then, we try to find the connection between the new aging classes and other aging classes well-known from the literature. Reliability properties of the new classes are studied. Formally, we derive the preservation property under monotonic transformations. Some Rother characterization and implications are studied.
    Źródło:
    Control and Cybernetics; 2013, 42, 3; 727-737
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison between deformation modulus of rock mass measured by plate jacking and dilatometer tests
    Autorzy:
    Rezaei, M.
    Chafoori, M.
    Ajalloeian, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/886160.pdf
    Data publikacji:
    2017
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    comparative analysis
    deformation modulus
    rock mass
    measurement
    plate jacking test
    dilatometer test
    geotechnics
    Opis:
    Comparison between deformation modulus of rock mass measured by plate jacking and dilatometer tests. For determination of the in-situ deformation modulus of rock mass at Bakhtiari Dam site, located in south-west of Iran, plate jacking tests (PJT) and dilatometer tests (DLT) carried out during the geotechnical investigations. In this study, the results of PJTs and DLTs were compared. This comparison involves 89 vertical and horizontal PJTs and 83 DLTs carried out in 6 rock units of Sarvak formation. Although, both PJTs and DLTs in the Bakhtiari Dam site were performed in same geological and geotechnical conditions, but there are not sufficient side by side data to make a paired two samples correlation. Therefore, the mean of in-situ data was compared at each rock unit. Besides Mann–Whitney U tests were performed to compare in-situ test results. The comparison shows that the deformation modulus measured by both methods has no significant differences. However, in low quality rock masses the moduli measured by the use of DLTs were greater than the modulus measured by PJTs. Conversely, in high quality rock masses the results of PJTs were greater than DLT’s.
    Źródło:
    Scientific Review Engineering and Environmental Sciences; 2017, 26, 3[77]
    1732-9353
    Pojawia się w:
    Scientific Review Engineering and Environmental Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic diversity among Xanthomonas citri subsp. citri strains in Iran
    Autorzy:
    Rezaei, M.K.
    Shams-Bakhsh, M.
    Alizadeh, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/65267.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Citrus bacterial canker (CBC) is one of the most important diseases of citrus. It is caused by Xanthomonas citri subsp. citri (Xcc). To investigate the variability of Xcc, a collection of twenty-five strains were isolated from the Fars, Hormozgan, Kerman and Sistan-va-Baluchestan provinces of Iran. The twenty-five strains were assessed phenotypically and genetically. These strains had similar biochemical properties. Based on host range determination, the strains were divided into two groups; the first group was pathogenic on Mexican lime (Citrus aurantifolia), citrumelo (Poncirus trifoliata x C. paradisi), citrange (C. sinensis x P. trifoliata) and sour orange (C. aurantium) varieties. The second group was pathogenic on Mexican lime only. Profile of cellular soluble proteins analyzed by sodium dodecyl sulphate-polyacryamid gel electrophoresis (SDS-PAGE) did not reveal any considerable differences among strains. Genetic diversity analyses were performed using two marker systems; repetitive polymerase chain reaction (rep-PCR) and random amplified polymorphic DNA (RAPD). The results of this research showed that two primers, ERIC 1R and 232, with the highest marker index, resulted in the most genetic variability among strains. Cluster analysis by band patterns showed that strains from the Sistan-va-Baluchestan province were a different group, so it was concluded that geographical origin of strains from the Sistan-va-Baluchestan province is different than the geographical origin of strains isolated from other provinces.
    Źródło:
    Journal of Plant Protection Research; 2012, 52, 1
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of thidiazuron on in vitro shoot regeneration of Morus alba
    Autorzy:
    Rezaei-Zafarghandi, M.S.
    Rahmati-Joneidabad, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2096960.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    mulberry
    cotyledon
    plant growth regulator
    organogenesis
    in vitro-grown seedlings
    Opis:
    Mulberry (Morus alba L.) is an ornamental, medicinal, and fruit plant that belongs to the Moraceae family. One of the most important techniques used in plant biotechnology is tissue culture, which enables mass production of pathogen-free plants. Cotyledon has a high potential for shoot regeneration; however, to the best of our knowledge, there are no reports on plant regeneration from cotyledon explants of mulberry. Therefore, this study aimed to evaluate the potential of seedling-derived cotyledon segments to obtain shoot multiplication of mulberry. Various concentrations (0, 0.25, 0.5, 1, 2, 3, and 4 mg/l) of thidiazuron (TDZ) in combination with indole butyric acid (IBA) were used in a completely randomized design in three replications. The results showed that the highest percentage of regeneration frequency (96.67%) and the maximum number of shoots (4.43) were obtained on Murashige and Skoog (MS) medium supplemented with 0.25 mg/l TDZ and 0.025 mg/l IBA. In the rooting experiment, the maximum rooting percentage (83.33%) and the maximum number of roots per shoot (4.36) were obtained on MS medium containing 2 mg/l IBA. In vitro-raised plantlets were placed in pots and kept in room temperature for 30 days, and the plantlets showed more than 90% survival rate. On the basis of our results, the protocol described in this study has a high potential to be used in the micropropagation of this valuable plant.
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2020, 101, 1; 55-61
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Robust impedance control of a piezoelectric stage under thermal and external load disturbances
    Autorzy:
    Zareinejad, M.
    Rezaei, S. M.
    Ghidary, S. S.
    Abdullah, A.
    Motamedi, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/969687.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    piezoelectric actuator
    sliding mode
    impedance control
    hysteresis
    Opis:
    Piezoelectric actuators are widely used in micromanipulation tasks such as atomic force microscopy and cell manipulation. However, the hysteresis nonlinearity and the creep reduce their fidelity and cause difficulties in the micromanipulation control procedure. Besides, variation of temperature and external loads could change the model parameters identified for the piezo actuator. In this paper, a novel feedforward-feedback controller is proposed. The modified Prandtl-Ishlinskii model is utilized to linearize the actuator hysteresis in feedforward scheme and a sliding mode based impedance control with perturbation estimation is used to cancel out the thermal and external load disturbances in feedback scheme. The efficiency of the proposed controller is verified by experiments.
    Źródło:
    Control and Cybernetics; 2009, 38, 3; 635-648
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of copper and gold prospects using index overlay integration method and multifractal modeling in Saveh 1:100,000 sheet, Central Iran
    Perspektywy poszukiwań miedzi i złota metodą wskaźnika integracji i modelowania multifraktalnego w Saveh, skala 1:100 000, Centralny Iran
    Autorzy:
    Rezaei, S.
    Lotfi, M.
    Afzal, P.
    Jafari, M. R.
    Meigoony, M. S.
    Khalajmasoumi, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/215934.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Instytut Gospodarki Surowcami Mineralnymi i Energią PAN
    Tematy:
    geographic information system (GIS)
    index overlay integration method
    concentration area (C-A)
    fractal model
    Urumieh Dokhtar magmatic belt
    Saveh 1:100,000 sheet
    system informacji geograficznej
    wskaźnik integracji
    strefa złoża (C-A)
    model fraktali
    pas magmowy Urumieh Dokhtar
    arkusz Saveh 1:100 000
    Opis:
    This study aims at prospecting copper and gold promising areas in Saveh 1:100,000 sheet, situated in Urumieh-Dokhtar magmatic belt (Central Iran). Geographic information system (GIS) is effective in recognition of probable mineral resources by collecting, processing, exploration layer weighting and integrating thematic maps. As there is no certainty in different geological phenomena, modeling and integrating information layers are used to obtain suitable results for determining potential areas. In this study, index overlay method, which is a combination of software processing and expertise knowledge, was used. The survey layers consist of the lithologic units, geophysical data, mineralization, faults and structures and alteration. [...]
    Badanie to ma na celu poszukiwanie miedzi i złota z perspektywicznych obszarów w Saveh na arkuszu 1:100 000, położonego w pasie magmowym w Urumieh-Dokhtar (Centralny Iran). System informacji geograficznej (GIS) jest skuteczny w rozpoznaniu przypuszczalnych zasobów surowców mineralnych poprzez gromadzenie, przetwarzanie warstwy ważenia poszukiwań i integracji map tematycznych. W celu uzyskania właściwych wyników dla potrzeb określenia potencjalnych obszarów do eksploatacji, użyto techniki modelowania i zintegrowanej informacji o warstwach geologicznych. W tym badaniu została użyta metoda wskaźnikowa, która jest kombinacją komputerowego sposobu przetwarzania danych i wiedzy eksperckiej. Badane warstwy geologiczne opisane są pojęciami litologicznymi, danymi geofizycznymi, stopniem mineralizacji oraz zaburzeniami tektonicznymi. [...]
    Źródło:
    Gospodarka Surowcami Mineralnymi; 2015, 31, 4; 51-73
    0860-0953
    Pojawia się w:
    Gospodarka Surowcami Mineralnymi
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prevalence of anti-Neospora caninum antibodies in Iranian goats
    Autorzy:
    Gharekhani, J.
    Esmaeilnejad, B.
    Rezaei, H.
    Yakhchali, M.
    Heidari, H.
    Azhari, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/6330.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Opis:
    Many species of animals play the role of intermediate host for Neospora caninum. Although the neosporosis has a global distribution, however there is no information on goats’ infection in Iran. The main goal of present study was to determine the seroprevalence of N. caninum in goats of western Iran. A total of 450 sera were taken and analyzed for antibodies to N. caninum using ELISA technique. Of those, 28 (6.2%) examined goats were found to be seropositive (95%, CI=6.2±2.2%). In which male goats (11.1%) had the highest IgG against N. caninum with more than 2 years-old (54.4%). There was significant difference between prevalence and age. Positive association were in animals with history of abortion (18/30, 60%) and IgG against N. caninum. No correlations were found between male and female. This was the first report on N. caninum infection in Iranian goats and may be responsible for abortion and economic losses in goat husbandry in the region.
    Źródło:
    Annals of Parasitology; 2016, 62, 2
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis of Hexabenzylhexaazaisowurtzitane (HBIW) under Ultrasound Irradiation with Fe3O4@PCA Nanoparticles as an Efficient and Reusable Nanomagnetic Catalyst
    Autorzy:
    Malekzadeh, A. M.
    Shokrollahi, S.
    Ramazani, A.
    Rezaei, S. J. T.
    Asiabi, P. A.
    Joo, S. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/358107.pdf
    Data publikacji:
    2017
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    hexabenzylhexaazaisowurtzitane (HBIW)
    nanomagnetic catalyst
    solid acid
    Fe3O4@PCA
    ultrasound irradiation
    Opis:
    Magnetic Fe3O4@polycitric acid (Fe3O4@PCA) nanoparticles were prepared by the reaction of Fe3O4 nanoparticles with an excess amount of citric acid at 100-160 °C. The magnetic Fe3O4@PCA nanoparticles were characterized by infrared spectroscopy (FTIR), scanning electron microscope (SEM), Transmission Electron Microscopy (TEM), Thermogravimetric Analysis (TGA) and powder X-ray diffraction (XRD). Finally, the synthesized magnetic Fe3O4@PCA nanoparticles were used as a heterogeneous solid acid catalyst for the synthesis of HBIW from benzylamine and glyoxal in acetonitrile-water solvent under ultrasonic irradiation conditions. The catalyst could be reused up to 6 times without significant loss of activity.
    Źródło:
    Central European Journal of Energetic Materials; 2017, 14, 2; 336-350
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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