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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
    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 (born March 27, 1845, Lennep, Prussia [now Remscheid, Germany]—died February 10, 1923, Munich, Germany) 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
  • Wilhelm Conrad Röntgen – Biographical - NobelPrize. org
    Röntgen’s first work was published in 1870, dealing with the specific heats of gases, followed a few years later by a paper on the thermal conductivity of crystals
  • X-rays (Röntgen Radiation) – Definition, Discovery, Properties, Uses
    X-rays (also called X-radiation or Röntgen radiation) are a form of high-energy electromagnetic radiation Discovered at the end of the 19th century, X-rays now are an indispensable tool in medicine, science, and industry
  • Wilhelm Röntgen - Biography, Facts and Pictures
    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
  • Discovery of X-Rays - World History Encyclopedia
    Wilhelm Conrad Röntgen (1845-1923), a German scientist, discovered X-rays or Röntgen rays in November 1895 He was awarded the first Nobel Prize for Physics for this discovery in 1901 The thrill of the discovery became caught up in the late Victorian obsession with ghosts and photography
  • Roentgen Separation Technologie (RSTI) | Primary Wastewater Treatment . . .
    Roentgen Separation Technologie: Industry leaders in wastewater treatment Innovative, sustainable solutions for cleaner water Elevate your water quality with us, serving industry and municipalities
  • ROENTGEN Definition Meaning - Merriam-Webster
    : the international unit of measurement for X-rays and gamma rays that is based on their ability to produce charged particles in the air
  • Wilhelm Röntgen (1845-1923): Biography . . . - World History Edu
    Initially, he named them Roentgen rays, but he later gave them the name X-rays to emphasize the mystery surrounding his discovery In 1901, he was awarded the inaugural Nobel Prize in Physics for his ground-breaking work
  • 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





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