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WIKIMEDIA DISAMBIGUATION PAGE
ROENTGEN; Roentgen (disambiguation); Rontgen; Röntgen
roentgen
['r?ntj?n, 'r?:nt-, 'r?nt-]
(abbrev.: R)
¦ noun a unit of ionizing radiation, the amount producing one electrostatic unit of positive or negative ionic charge in one cubic centimetre of air under standard conditions.
Origin
1920s: named after the German physicist and discoverer of X-rays Wilhelm Conrad Rontgen.
Rontgen
LEGACY UNIT OF MEASUREMENT FOR THE KERMA OF X-RAYS AND GAMMA RAYS UP TO 3 MEV; EQUALS 0.258 MC/KG
Roentgens; Roentgen (R); Röntgens; Milliroentgen; RoNtgen; Röntgen (unit); Roentgen unit; ΜR/h; Milliroentgen (mR); C/kg
·add. ·adj Of or pertaining to the German physicist Wilhelm Konrad Rontgen, or the rays discovered by him; as, Rontgen apparatus.
Roentgen stereophotogrammetry
METHOD OF CALCULATING 3D ORIENTATION USING X-RAY IMAGES
Roentgen Stereophotogrammetry; Roentgen Stereophotogrammetric Analysis; RadioStereometric Analysis; Radiostereometric analysis; Radiostereometrics; Stereo-roentgenography
Roentgen stereophotogrammetry (RSA) is a highly accurate technique for the assessment of three-dimensional migration and micromotion of a joint replacement prosthesis relative to the bone it is attached to. It was introduced in 1974 by Göran Selvik.
ويكيبيديا
Roentgen
Röntgen or Roentgen may refer to:
- Roentgen (unit), unit of measurement for ionizing radiation, named after Wilhelm Röntgen
- Wilhelm Röntgen (1845–1923), German physicist, discoverer of X-rays
- Abraham Roentgen (1711–1793), German cabinetmaker
- David Roentgen (1743–1807), German cabinetmaker, son of Abraham Roentgen
- Gerhard Moritz Roentgen (1795-1852), Dutch and German entrepreneur and engineer
- Engelbert Röntgen (1829–1897), German-Dutch violinist
- Heinrich Röntgen (1787–1813), German explorer
- Julius Röntgen (1855–1932), German-Dutch composer of classical music, son of Engelbert Röntgen
- Kevin Roentgen, musician, singer with American rock band Orson
- Roentgen (album), by Japanese singer Hyde
أمثلة من مجموعة نصية لـ٪ 1
1. An instrument for an operating theater, a Roentgen (X–ray) unit, Roentgen photography film and physiotherapy equipment were also among the items.
2. All of these things happen when an overdose of roentgen rays is given.
3. On the roof of the turbine hall, both gamma and neutron radiation was being emitted by the lumps of uranium fuel and graphite at a rate of 20,000 roentgen an hour; around the core, levels reached 30,000 roentgen an hour: here, a man would absorb a fatal dose in just 48 seconds.
4. A fatal dose of radiation is estimated at around 400REM – which would be absorbed by anyone whose body is exposed to a field of 400 roentgen for 60 minutes.
5. A fatal dose of radiation is estimated at around 400REM - which would be absorbed by anyone whose body is exposed to a field of 400 roentgen for 60 minutes.