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roentgen    
n. 人名;德国物理学家

人名;德国物理学家

roentgen
n 1: a unit of radiation exposure; the dose of ionizing
radiation that will produce 1 electrostatic unit of
electricity in 1 cc of dry air [synonym: {roentgen}, {R}]
2: German physicist who discovered x-rays and developed
roentgenography (1845-1923) [synonym: {Roentgen}, {Wilhelm Konrad
Roentgen}, {Rontgen}, {Wilhelm Konrad Rontgen}]


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  • Roentgen (unit) - Wikipedia
    Roentgen (unit) The roentgen or röntgen ( ˈrɛntɡən, - dʒən, ˈrʌnt - ; [2] symbol R) is a legacy unit of measurement for the exposure of X-rays and gamma rays, and is defined as the electric charge freed by such radiation in a specified volume of air divided by the mass of that air (statcoulomb per kilogram)
  • Wilhelm Röntgen - Wikipedia
    Wilhelm Conrad Röntgen[a] (27 March 1845 – 10 February 1923) [3] was a German experimental physicist who produced and detected electromagnetic radiation in a wavelength range known as X-rays (known as Röntgen rays in many languages) In 1901, Röntgen became the first recipient of the Nobel Prize in Physics "in recognition of the extraordinary services he has rendered by the discovery of
  • Wilhelm Conrad Roentgen | Biography, Discovery, X-Rays, Facts . . .
    Wilhelm Conrad Röntgen was a physicist who received the first Nobel Prize for Physics, in 1901, for his discovery of X-rays, which heralded the age of modern physics and revolutionized diagnostic medicine Röntgen studied at the Polytechnic in Zürich and then was professor of physics at the
  • ROENTGEN Definition Meaning - Merriam-Webster
    The meaning of ROENTGEN is of or relating to X-rays How to use roentgen in a sentence
  • Wilhelm Conrad Röntgen – Biographical - NobelPrize. org
    Wilhelm Conrad Röntgen was born on March 27, 1845, at Lennep in the Lower Rhine Province of Germany, as the only child of a merchant in, and manufacturer of, cloth His mother was Charlotte Constanze Frowein of Amsterdam, a member of an old Lennep family which had settled in Amsterdam When he was three years old, his family moved to Apeldoorn in The Netherlands, where he went to the
  • What is Roentgen – Unit of Exposure – Definition
    The roentgen , abbreviated R, is the unit of radiation exposure One roentgen corresponds to 2 58E-4 coulomb per kg of ions generated in air and an exposure of one coulomb per kilogram is equivalent to 3876 roentgens
  • Roentgen | X-ray, Imaging, Diagnosis | Britannica
    Roentgen, unit of X-radiation or gamma radiation, the amount that will produce, under normal conditions of pressure, temperature, and humidity, in 1 kg (2 2 lbs) of air, an amount of positive or negative ionization equal to 2 58 × 10−4 coulomb It is named for the German physicist Wilhelm Conrad
  • Wilhelm Röntgen - Wikipedia, la enciclopedia libre
    www roentgen-museum de: Röntgen-Museum in Lennep Die Versuchsanordnung von Wilhelm Conrad Röntgen (enlace roto disponible en Internet Archive; véase el historial, la primera versión y la última)
  • Röntgen – Wikipedia
    Steril abgedeckter Bildwandler bei einer Knochenoperation Röntgen (benannt nach dem Physiker Wilhelm Conrad Röntgen), genannt auch Röntgenuntersuchung, ist ein weit verbreitetes bildgebendes Verfahren, bei dem ein Körper unter Verwendung eines Röntgenstrahlers durchstrahlt wird Die Durchdringung des Körpers mit Röntgenstrahlen wird in Bildern dargestellt, die als Röntgenbilder
  • Discovery of X-Rays - World History Encyclopedia
    The discovery of X-rays – a form of invisible radiation that can pass through objects, including human tissue – revolutionised science and medicine in the late 19th century Wilhelm Conrad Röntgen (1845-1923





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