• Thumbnail for R-1 (missile)
    The R-1 rocket (NATO reporting name SS-1 Scunner, Soviet code name SA11, GRAU index 8A11) was a tactical ballistic missile, the first manufactured in the...
    12 KB (1,268 words) - 00:19, 27 June 2024
  • Thumbnail for R-1 tank
    The R-1 was a Romanian-used tank that saw action during World War II within the mechanized Romanian cavalry. It was a modified version of the AH-IV, a...
    49 KB (5,874 words) - 08:19, 8 April 2024
  • Thumbnail for USS R-1
    USS R-1 (SS-78) was the lead ship of the R-class coastal and harbor defense submarines of the United States Navy. R-1′s keel was laid down on 16 October...
    7 KB (771 words) - 15:35, 11 August 2023
  • Thumbnail for (R)-1-Aminoindan
    (R)-1-Aminoindan ((R)-1-AI; developmental code name TVP-136 or TV-136), or (R)-1-aminoindane, is the major metabolite of the selective MAO-B inhibitor...
    9 KB (692 words) - 09:49, 6 September 2024
  • Thumbnail for TACAM R-1
    The TACAM R-1 (Tun Anticar pe Afet Mobil R-1 – "Anti-tank gun on R-1 mobile gun carriage") was a small tank destroyer used by Romania during World War...
    2 KB (150 words) - 19:25, 29 July 2024
  • Thumbnail for Geometric series
    a r + a r 2 + a r 3 + a r 4 + ⋯ = lim n → ∞ S n = lim n → ∞ a ( 1r n + 1 ) 1r = a 1r − a 1r lim n → ∞ r n + 1 = a 1r  for  | r | < 1. {\displaystyle...
    66 KB (10,122 words) - 18:00, 15 September 2024
  • The Beriev R-1 (known in-house as 'product R') was the first Soviet turbojet-powered flying boat. At the end of World War II, design work began on a request...
    5 KB (460 words) - 15:29, 13 July 2023
  • R1 (redirect from R-1)
    R1, R.I., R01 or R-1 may refer to: R-1 tank, a Romanian tank from World War II R-1 (missile), a post World War II Russian rocket AEG R.I, a 1918 German...
    5 KB (706 words) - 14:42, 19 August 2024
  • standard, issued originally as ISO/R 1, a ISO Recommendation. Metre International Organization for Standardization "ISO 1:2016 - Geometrical product specifications...
    3 KB (261 words) - 23:25, 14 March 2024
  • Thumbnail for R-spondin 1
    R-spondin-1 is a secreted protein that in humans is encoded by the RSPO1 gene, found on chromosome 1. In humans, it interacts with WNT4 in the process...
    8 KB (913 words) - 16:46, 15 October 2023