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  1. 10541
  2. 10542
    “…Materials and Methods: Sixty flat samples of novel chairside CAD/CAM reinforced lithium disilicate ceramic (Amber Mill, Hass Bio) were divided into five groups (n = 15/group) and treated as follows: Group 1 (NoP), no polished treatment; group 2 (CeDi), polished with ceramic Dialite LD (Brasseler USA); group 3, (CeOp) polished with ceramic OptraFine (Ivoclar Vivadent); group 4, (CoDi) polished with composite DiaComp (Brasseler USA), and group 5 (CoAs), polished with composite Astropol (Ivoclar Vivadent). The polished ceramic surface topography was observed and measured with three-dimensional and two-dimensional images. …”
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  3. 10543
  4. 10544
  5. 10545
    “…Sixty disk-shaped specimens of each resin composite were prepared then divided into four groups according to the polishing system (n = 15); which were Sof-Lex Spiral, Diatech Shapeguard, Venus Supra, and Astropol. The specimens of each group were polished following the manufactures’ instructions, then surface roughness, R(a) values in μm were measured initially and after the specimens subjected to thermal cycling. …”
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  6. 10546
    “…Sgr A*, one of the most prolific astronomical radio sources in our galaxy, is the focal point for tests of general relativity. …”
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  7. 10547
  8. 10548
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  11. 10551
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  13. 10553
    por Mac Aonghusa, Pol, Michie, Susan
    Publicado 2021
    “…Morpheus: A deep learning framework for the pixel-level analysis of astronomical image data. Astrophys J Suppl Ser. 2020;248:20; Dias R, Torkamani A. …”
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  14. 10554
    “…In the forthcoming decades, newer infrastructures in the Earth’s orbits, which are much more advanced than the International Space Station are needed for in-situ manufacturing, servicing, and astronomical and observational stations. The prospect of in-orbit commissioning a Large Aperture Space Telescope (LAST) has fuelled scientific and commercial interests in deep-space astronomy and Earth Observation. …”
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  20. 10560
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