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Wyszukujesz frazę "thermal target" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Testing coatings of reflecting infrared radiation for a target for night shooting
    Autorzy:
    Swiderski, Waldemar
    Hłosta, Paweł
    Polak, Grzegorz
    Tymiński, Dariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/114598.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    thermal target
    infrared
    emissivity
    shooting
    Opis:
    The paper presents the principle of operation of a new night-shooting target. Because this target requires a covering that reflects the infrared radiation flux generated by the reflector from its surface, testing of different variants of the cover and the shape of the target surface has been carried out. Emissivity is a physical parameter characterizing the radiant properties of real bodies. The emissivity coefficient of extruded aluminum sheet samples covered with a layer of green colored aluminum oxide was determined. The aluminum oxide layer was applied using two different technologies being galvanic and anodizing.
    Źródło:
    Measurement Automation Monitoring; 2019, 65, 2; 41-43
    2450-2855
    Pojawia się w:
    Measurement Automation Monitoring
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Work on developing a thermal shooting target
    Autorzy:
    Swiderski, W.
    Hłosta, P.
    Polak, G.
    Tymiński, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/114252.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    thermal target
    infrared
    emissivity
    shooting
    Opis:
    The paper presents work on the development of a thermal target providing for shooting with the use of night-vision and thermovision sights in night conditions as well as during the day, without changing the target. The image of the target in the night sight is visible by illuminating it through an IR lamp. The target is designed so that the reflected IR stream is directed towards the objective lens. Compared to existing solutions, the new thermal target has a number of advantages, such as it does not require long-time heating and is immediately ready to operate after thermal lamp lighting, significantly reducing energy consumption. The project is currently at the stage of prototype target testing.
    Źródło:
    Measurement Automation Monitoring; 2017, 63, 4; 158-161
    2450-2855
    Pojawia się w:
    Measurement Automation Monitoring
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cyclotron production of technetium radionuclides using a natural metallic molybdenum thick target and consequent preparation of [Tc]-BRIDA as a radio-labelled kit sample
    Autorzy:
    Targholizadeh, H.
    Raisali, G.
    Jalilian, A. R.
    Rostampour, N.
    Ensaf, M.
    Dehghan, M. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/148477.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    technetium
    molybdenum target
    thermal spray method
    technetium radiochemical separation
    radio--labelling
    Opis:
    Numerous studies have focused on the use of accelerators for production of 99mTc, but all of these investigations have been performed at low-level currents. In this research, for the first time, we have constructed a high power level natural Mo target for production of 99mTc radioisotope using cyclotrons. A high purity natural molybdenum target (130 mg/cm2), suitable for proton beam power level of several kilowatts, has been constructed using a thermal spray coating method. The target was irradiated in a Cyclone30 accelerator using 160 mi A of 25 MeV proton beam energy for 1000 mi A-h. The activity of produced 99mTc was measured as 2.75 Ci. The technetium radionuclides produced were extracted using an MEK organic phase, followed by preparation of Tc-BRIDA as a radio-labelled kit sample. Animal biodistribution studies have been performed in rats. After administration of the radio-labelled Tc-BRIDA in rats, we observed most of the radioactivity accumulated in intestine as expected for IDA derivatives. The results of measurements show a successful production of Tc radionuclides (including 99mTc) in the bombarded target and subsequent labelling of the kit with Tc. It is anticipated that the developed coating method for the production of high power Mo targets using enriched 100Mo and a proton beam of about 1 mA is capable of producing about 100 Ci of 99mTc per irradiated target. The developed high power Mo target, if constructed using enriched 100Mo, could be a practical method for a large-scale production of 99mTc for local applications near cyclotron facilities.
    Źródło:
    Nukleonika; 2010, 55, 1; 113-118
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Anisotropy of the neutron emission from PF-360 facility operated without and with solid-state targets
    Autorzy:
    Czaus, K.
    Baranowski, J.
    Sadowski, M.
    Skladnik-Sadowska, E.
    Zebrowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/146908.pdf
    Data publikacji:
    2001
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    anisotropy
    beam-target mechanism
    dense plasma focus (DPF)
    neutron yield
    thermal mechanism
    Opis:
    The paper reports on detailed studies of an anisotropy of the fusion-produced neutrons emitted from the modernized PF-360 facility [10], which has been operated with a pure deuterium-gas filling, without and with some additional solidstate targets containing deuterium atoms. Under standard operational conditions, anisotropy of the neutron yield from the PF-360 facility is similar to that observed in other PF devices. For the first time the neutron emission anisotropy has been measured in the PF experiments performed with a planar cryogenic target covered with a heavy-ice (D2O) layer. Changes in the Yn(Φ)/Yn(90°) ratio, particularly for angles Φ = 0–60°, have been explained by the known features of the angular distribution of fast deuterons.
    Źródło:
    Nukleonika; 2001, 46, suppl. 1; 77-80
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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