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roentgen    
n. 人名;德國物理學家

人名;德國物理學家

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 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
  • 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
  • Wilhelm Röntgen - Biography, Facts and Pictures
    Lived 1845 - 1923 The German physicist, Wilhelm Conrad Röntgen was the first person to systematically produce and detect electromagnetic radiation in a wavelength range today known as x-rays or Röntgen rays His discovery of x-rays was a great revolution in the fields of physics and medicine and electrified the general public It also earned
  • 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
  • The Accidental Discovery of X-Rays | HISTORY
    When Röntgen placed various objects, including a 1,000-page book, a double pack of cards, tinfoil, wooden boards and rubber sheets, in the path of X-rays, they passed right through, lighting up
  • Wilhelm Röntgen (1845-1923): Biography, Accomplishments Contribution . . .
    The German physicist and mechanical engineer Wilhelm Conrad Röntgen is hailed as the first to identify electromagnetic radiation in wavelength ranges, which are now known as X-rays Even though other scientists had explored the concept of X-ray beams before Röntgen, he was the first to thoroughly investigate them Initially, he named them Roentgen rays, but he later gave them the name X-rays
  • In 1895, Wilhelm Rontgen noticed a glowing screen in a dark lab, tested . . .
    Wilhelm Röntgen was working alone in his laboratory during late 1895 when he observed an anomalous phenomenon An observation was made that a fluorescent screen in the laboratory glowed even
  • About Röntgen – Roentgen-Memorial
    On the 27th of March 1845 at 4 pm Wilhelm Conrad Röntgen sees the light of day in Lennep As the only child of wealthy cloth merchant Friedrich Conrad Röntgen and his wife Charlotte Constanze he is raised in the Dutch City of Apeldoorn, where his family moves three years after his birth Röntgen attends several schools and then enrolls at the Swiss Federal Polytechnic School in Zürich He
  • X-rays (Röntgen Radiation) – Definition, Discovery, Properties, Uses
    Explore the X-rays (Röntgen radiation) definition, history, properties, types, and applications, including interactions and hazards





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