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    Wyświetlanie 1-10 z 10
    Tytuł:
    A study on impact of open innovation openness on the practices adopted by Indian Food Processing SMEs on Product Innovation Output
    Autorzy:
    Sahdev, Supriya Lamba
    Singh, Gurinder
    Sharma, C S
    Chawla, Mamta
    Powiązania:
    https://bibliotekanauki.pl/articles/2142842.pdf
    Data publikacji:
    2022
    Wydawca:
    Centrum Badań i Innowacji Pro-Akademia
    Tematy:
    open innovation
    open innovation openness
    product innovation
    innovation outputs
    India
    food processing SMEs
    otwarta innowacja
    innowacja produktowa
    produkty innowacyjne
    Indie
    MŚP
    przetwórstwo żywności
    Opis:
    This study throws light on the outline of innovation taking place in Indian Food Processing SMEs with a special focus on open Innovation taking place in these SMEs and the exchange of information or knowledge taking place between inside-out and outside-in parties for the purpose of innovation. In addition, puts special focus on describing how SMEs’ product innovation output related with the effect of outside-in and inside-out exchange of knowledge and information. Further, it analyzes how expenditure on innovation and collaborating with outside parties can help in the predicting product innovation output of Indian Food Processing SMEs. The analysis was done with the help of Jamovi to find out regression between the dependent variable- “Product innovation output” & independent variables- “Extent of openness”, “Inhouse R& D expenditure”, “Purchase of R&D from outside sources”, “Acquiring knowledge from outside sources” and control variable- “Indian Food Processing SMEs”. And towards the end, it contains the summary of the survey done, which suggested that Indian Food Processing SMEs are proactively involved themselves in inside R&D in comparison to the outside R&D and buying or taking license from outside sources. Other than these activities, one more pointer came as a takeaway from the study, product innovation is performed more in comparison to process innovation by the Indian Food Processing SMEs.
    Źródło:
    Acta Innovations; 2022, 44; 45-63
    2300-5599
    Pojawia się w:
    Acta Innovations
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Corrosion behavior of ZrC particles reinforcement with Al-12Si composites by weight loss method using acidic media
    Autorzy:
    John, C. F.
    Paul, R. C.
    Singh, S. C. E.
    Jacobjose, J.
    Ramkumar, T.
    Hikku, G. S.
    Sharma, R. K.
    Sengottuvel, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/200059.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Al-Si-ZrC composites
    powder metallurgy
    weight loss method
    corrosion rate
    SEM
    kompozyty Al-Si-ZrC
    metalurgia proszków
    metoda redukcji masy
    szybkość korozji
    Opis:
    This paper aims to investigate the corrosion behavior of zirconium carbide (ZrC) reinforced Al – Si metal matrix composites (MMCs) in a mixture of acidic solution using weight loss method. The composites are prepared by powder metallurgy method. Al-12Si-xZrC composites containing 0, 5, and 10 weight percentage of ZrC particles are compacted in a die set assembly and sintered in an inert gas muffle furnace. The acidic solutions used for corrosion are 1 N HCl, 1 N H2SO4 and 1 N HNO3. The corrosion characteristics of Al-12Si-xZrC composites and the pure Al were experimentally evaluated. The corrosion test was carried out at different weight proportions of the samples in various concentrations of the acid such as 1 N HCl, 1 N H2SO4 and 1 N HNO3 for different exposure time (i.e., 24 h, 72 h, 144 h and 216 h), respectively. The results specified that corrosion rate of composites was lower than that of base metal Al under the corrosive atmosphere, regardless of exposure time and acidic solutions used as corrodents. Al-12Si-xZrC composites become more corrosion resistant as the ZrC content is increased. This is because of the development of stable oxide layer above the specimens. Scanning electron microscopy (SEM) confirms the degree of attack of acidic solution on the surface of the examined material.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2018, 66, 1; 9-16
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Passerine birds supporting cross pollination in Erythrina stricta Roxb.
    Autorzy:
    Khanduri, V.P.
    Kumar, K.S.
    Sharma, C.M.
    Riyal, M.K.
    Kar, K.
    Singh, B.
    Sukumaran, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2078260.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Ornithophily
    pollination
    mating system
    geitonogamy
    pollen grains
    Opis:
    Erythina stricta is an ecologically important tree species in the rainforests of India and its nectar within the flowers contributes to birds’ diet and survival. Reports on the pollination of this species have not been published so far. We therefore explore the reproductive system of this tree species which has great significance to its ecosystem. Birds have an important role in the reproduction of trees through pollination particularly in tropical areas where reproductive success mostly depends on animal pollinator interactions. Study of visitation and nectar feeding behaviour of birds alongwith breeding system assessment of Erythina stricta. Birds visiting and foraging behaviour was observed during Erythrina stricta flowering season in an indian tropical rainforest. Reproductive system was assessed through controlled pollination experiments. Thirteen bird species were recorded visiting and foraging nectar from the flowers of Erythrina stricta. The maximum numbers of visits recorded were from the Red-vented Bulbul (Pycnonotus cafer, Pycnonotidae). The nectar feeding birds were, either (i) potential pollinator with long bills (e.g. Pycnonotus spp., Chloropsis aurifrons, and Dicrurus spp.) or (ii) nectar robbers with comparatively shorter bills (e.g. Zosterops palpebrosa, Stachyris ruficeps, Macronous gularis, Heterophasia glaciris). Controlled pollination experiments revealed high degree of cross pollination (xenogamy) and self-incompatibility in E. stricta. Birds were more frequent in early mornings and their foraging activity was also observed during evening hours; the frequency however, declined with respect to nectar availability. Long corolla tubes of E. stricta could restrict access to nectar collecting bees
    Źródło:
    Dendrobiology; 2021, 85; 117-126
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Measurement of Pulsed Current-Voltage Characteristics of AlGaN/GaN HEMTs from Room Temperature to~15~K
    Autorzy:
    Laurent, T.
    Sharma, R.
    Torres, J.
    Nouvel, P.
    Blin, S.
    Palermo, C.
    Varani, L.
    Cordier, Y.
    Chmielowska, M.
    Faurie,, J.
    Beaumont, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1505650.pdf
    Data publikacji:
    2011-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    72.80.Ey
    73.21.Fg
    73.40.-c
    Opis:
    We report measurements of the pulsed and dc current-voltage characteristics of AlGaN/GaN high-electron-mobility transistors as functions of geometry, temperature (from 300 down to 15 K), and operating conditions. An increase in the drain current with shortening of the pulse width from 1 μs to 400 ns is found to be significant at room temperature whilst this behavior is inverted or even removed at 77 and 15 K temperatures.
    Źródło:
    Acta Physica Polonica A; 2011, 119, 2; 196-198
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Voltage Controlled Terahertz Transmission Enhancement through GaN Quantum Wells
    Autorzy:
    Laurent, T.
    Sharma, R.
    Torres, J.
    Nouvel, P.
    Blin, S.
    Chusseau, L.
    Palermo, C.
    Varani, L.
    Cordier, Y.
    Chmielowska, M.
    Faurie, J.
    Beaumont, B.
    Shiktorov, P.
    Starikov, E.
    Gruzinskis, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/1505459.pdf
    Data publikacji:
    2011-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    78.20.-e
    78.67.De
    73.21.Fg
    Opis:
    We report transmission measurements of GaN quantum well grown on sapphire substrate in the 220-325 GHz frequency band at low temperatures. A significant enhancement of the transmitted beam intensity with the applied voltage on the devices under test is found.
    Źródło:
    Acta Physica Polonica A; 2011, 119, 2; 107-110
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Time Calibration of the J-PET Detector
    Autorzy:
    Skurzok, M.
    Silarski, M.
    Alfs, D.
    Białas, P.
    Shivani, S.
    Curceanu, C.
    Czerwiński, E.
    Dulski, K.
    Gajos, A.
    Głowacz, B.
    Gorgol, M.
    Hiesmayr, B.
    Jasińska, B.
    Kisielewska-Kamińska, D.
    Korcyl, G.
    Kowalski, P.
    Kozik, T.
    Krawczyk, N.
    Krzemień, W.
    Kubicz, E.
    Mohammed, Muhsin
    Pawlik-Niedźwiecka, M.
    Niedźwiecki, S.
    Pałka, M.
    Raczyński, L.
    Raj, J.
    Rudy, Z.
    Sharma, N.
    Sharma, S.
    Shopa, R.
    Wieczorek, A.
    Wiślicki, W.
    Zgardzińska, B.
    Zieliński, M.
    Moskal, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1033283.pdf
    Data publikacji:
    2017-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    06.20.fb
    36.10.Dr
    11.30.Er
    24.80.+y
    Opis:
    The Jagiellonian positron emission tomograph project carried out in the Institute of Physics of the Jagiellonian University is focused on construction and tests of the first prototype of PET scanner for medical diagnostic which allows for the simultaneous 3D imaging of the whole human body using organic scintillators. The J-PET prototype consists of 192 scintillator strips forming three cylindrical layers which are optimized for the detection of photons from the electron-positron annihilation with high time-and high angular resolutions. In this article we present time calibration and synchronization of the whole J-PET detection system by irradiating each single detection module with a ²²Na source and a small detector providing common reference time for synchronization of all the modules.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 5; 1641-1644
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Method to Produce Linearly Polarized Positrons and Positronium Atoms with the J-PET Detector
    Autorzy:
    Mohammed, Muhsin
    Białas, P.
    Curceanu, C.
    Czerwiński, E.
    Dulski, K.
    Gajos, A.
    Głowacz, B.
    Gorgol, M.
    Hiesmayr, B.
    Jasińska, B.
    Kisielewska, D.
    Korcyl, G.
    Kowalski, P.
    Kozik, T.
    Krawczyk, N.
    Krzemień, W.
    Kubicz, E.
    Pawlik-Niedźwiecka, M.
    Niedźwiecki, S.
    Pałka, M.
    Raczyński, L.
    Raj, J.
    Rudy, Z.
    Sharma, N.
    Sharma, S.
    Shivani, ---
    Skurzok, M.
    Silarski, M.
    Wieczorek, A.
    Wiślicki, W.
    Zgardzińska, B.
    Zieliński, M.
    Moskal, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1030045.pdf
    Data publikacji:
    2017-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    41.75.Fr
    41.75.Ht
    77.22.Ej
    36.10.Dr
    85.75.Mm
    87.57.uk
    Opis:
    A method for creating linearly polarized positrons and ortho-positronium (o-Ps) atoms with the J-PET detector is presented. The unique geometry and properties of the J-PET tomography enable one to design a positron source such that the quantization axis for the estimation of the linear polarization of produced o-Ps can be determined on the event by event basis in a direction of the positron motion. We intend to use ²²Na or other β⁺ decay isotopes as a source of polarized positrons. Due to the parity violation in the beta decay, the emitted positrons are longitudinally polarized. The choice of the quantization axis is based on the known position of the positron emitter and the reconstructed position of the positronium annihilation. We show that the J-PET tomography is equipped with all needed components.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 5; 1486-1489
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis Procedure of the Positronium Lifetime Spectra for the J-PET Detector
    Autorzy:
    Dulski, K.
    Zgardzińska, B.
    Białas, P.
    Curceanu, C.
    Czerwiński, E.
    Gajos, A.
    Głowacz, B.
    Gorgol, M.
    Hiesmayr, B.
    Jasińska, B.
    Kisielewska-Kamińska, D.
    Korcyl, G.
    Kowalski, P.
    Kozik, T.
    Krawczyk, N.
    Krzemień, W.
    Kubicz, E.
    Mohammed, Muhsin
    Pawlik-Niedźwiecka, M.
    Niedźwiecki, S.
    Pałka, M.
    Raczyński, L.
    Raj, J.
    Rudy, Z.
    Sharma, N.
    Sharma, S.
    Shivani, Shivani
    Shopa, R.
    Silarski, M.
    Skurzok, M.
    Wieczorek, A.
    Wiślicki, W.
    Zieliński, M.
    Moskal, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1033298.pdf
    Data publikacji:
    2017-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    07.05.Kf
    13.30.Ce
    14.60.-z
    78.47.-p
    Opis:
    Positron annihilation lifetime spectroscopy has shown to be a powerful tool to study the nanostructures of porous materials. Positron emission tomograph is a device allowing imaging of metabolic processes e.g. in human bodies. A newly developed device, the Jagiellonian PET will allow positron annihilation lifetime spectroscopy in addition to imaging, thus combining both analyses providing new methods for physics and medicine. In this contribution we present a computer program that is compatible with the Jagiellonian PET software. We compare its performance with the standard program LT 9.0 by using positron annihilation lifetime spectroscopy data from hexane measurements at different temperatures. Our program is based on an iterative procedure, and our fits prove that it performs as good as LT 9.0.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 5; 1637-1640
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary studies of J-PET detector spatial resolution
    Autorzy:
    Pawlik-Niedźwiecka, M.
    Niedźwiecki, S.
    Alfs, D.
    Białas, P.
    Curceanu, C.
    Czerwiński, E.
    Dulski, K.
    Gajos, A.
    Głowacz, B.
    Gorgol, M.
    Hiesmayr, B.
    Jasińska, B.
    Kisielewska, D.
    Korcyl, G.
    Kowalski, P.
    Kozik, T.
    Krawczyk, N.
    Krzemień, W.
    Kubicz, E.
    Mohammed, M.
    Pałka, M.
    Raczyński, L.
    Raj, J.
    Rudy, Z.
    Shivani, -
    Silarski, M.
    Skurzok, M.
    Sharma, N.
    Sharma, S.
    Shopa, R.
    Strzelecki, A.
    Wieczorek, A.
    Wiślicki, W.
    Zgardzińska, B.
    Zieliński, M.
    Moskal, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1057928.pdf
    Data publikacji:
    2017-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    29.40.Mc
    87.57.uk
    87.10.Rt
    34.50.-s
    Opis:
    The J-PET detector, based on long plastic scintillator strips, was recently constructed at the Jagiellonian University. It consists of 192 modules axially arranged into three layers, read out from both sides by digital constant-threshold front-end electronics. This work presents preliminary results of measurements of the spatial resolution of the J-PET tomograph performed with ²²Na source placed at selected position inside the detector chamber.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 5; 1645-1648
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Human tissue investigations using PALS technique - free radicals influence
    Autorzy:
    Jasińska, B.
    Zgardzińska, B.
    Chołubek, G.
    Pietrow, M.
    Gorgol, M.
    Wiktor, K.
    Wysogląd, K.
    Białas, P.
    Curceanu, C.
    Czerwiński, E.
    Dulski, K.
    Gajos, A.
    Głowacz, B.
    Hiesmayr, B.
    Jodłowska-Jędrych, B.
    Kamińska, D.
    Korcyl, G.
    Kowalski, P.
    Kozik, T.
    Krawczyk, N.
    Krzemień, W.
    Kubicz, E.
    Mohammed, Muhsin
    Pawlik-Niedźwiecka, M.
    Niedźwiecki, S.
    Pałka, M.
    Raczyński, L.
    Rudy, Z.
    Sharma, N.
    Sharma, S.
    Shopa, R.
    Silarski, M.
    Skurzok, M.
    Wieczorek, A.
    Wiktor, H.
    Wiślicki, W.
    Zieliński, M.
    Moskal, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1057941.pdf
    Data publikacji:
    2017-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    positron annihilation
    positronium
    free radicals
    tissues
    uterine leiomyomas
    Opis:
    The positron annihilation lifetime spectroscopy was applied to the samples of the human uterine leiomyomas and the normal myometrium tissues taken from the selected place of the uterus during a surgery. The method indicated differences in values of the measured positron annihilation lifetime spectroscopy parameters (lifetimes and intensities) between healthy and diseased tissue samples. The additional measurements were performed either in darkness or in presence of visible light which influenced the free radicals present in both kind of tissues and, as a result, made changes in free annihilation and o-Ps decay lifetime and intensity values.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 5; 1556-1558
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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