Information om | Engelska ordet ROENTGEN

Exempel på hur man kan använda ROENTGEN i en mening

• In 1940, Louis Harold Gray, who had been studying the effect of neutron damage on human tissue, together with William Valentine Mayneord and the radiobiologist John Read, published a paper in which a new unit of measure, dubbed the "gram roentgen" (symbol: gr) was proposed, and defined as "that amount of neutron radiation which produces an increment in energy in unit volume of tissue equal to the increment of energy produced in unit volume of water by one roentgen of radiation".
• Proper nouns are not generally counted as English terms except when accepted into the language as an eponym – such as Geiger–Müller tube, or the English terms roentgen after Wilhelm Röntgen, and biro after László Bíró, in which case any diacritical mark is often lost.
• The sievert is a unit of weighted radiation dose for ionising radiation, which supersedes the older weighted unit the rem (roentgen equivalent man).
• During the 2000s, the company manufactured acoustic equipment, electronic tubes including cathode-ray tubes, printed plates, electronic machine elements, hydraulics, pneumatics, appliances, air-conditioners, medical equipment, roentgen machines, TV sets, radio receivers, and semiconductors.
• All chrome ore mining, production of chrome salts, roentgen equipment and more than a quarter of Kazakhstan's ferroalloys are concentrated here.
• However, although this was a major step forward in standardising radiation measurement, the roentgen has the disadvantage that it is only a measure of air ionisation, and not a direct measure of radiation absorption in other materials, such as different forms of human tissue.
• The department also conducts research under the leadership of René Hudec on gamma and roentgen radiation in the universe by observing gamma bursts and blazars.
• Named in his honor (in addition to the official name of x-ray radiation, "Roentgen rays"; the "roentgenogram" image, commonly called "an x-ray"; and the roentgen as the unit of measure of exposure to radiation) is the element Roentgenium, atomic number 111.

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