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Roentgen2
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 Kevin Roentgen (pronounced "rent-gehn") is an American singer, songwriter, record producer and formerly guitarist for the rock band Orson, who is currently based in Nashville, Tennessee. Roentgen is previously known for fronting L.A. rock band ..., musician, singer with American rock band Orson * ''Roentgen'' (album), by Japanese singer Hyde Se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wilhelm Röntgen
Wilhelm Conrad Röntgen (; ; 27 March 184510 February 1923) was a German mechanical engineer and physicist, who, on 8 November 1895, produced and detected electromagnetic radiation in a wavelength range known as X-rays or Röntgen rays, an achievement that earned him the inaugural Nobel Prize in Physics in 1901.Novelize, Robert. ''Squire's Fundamentals of Radiology''. Harvard University Press. 5th edition. 1997. p. 1. In honour of Röntgen's accomplishments, in 2004 the International Union of Pure and Applied Chemistry (IUPAC) named element 111, roentgenium, a radioactive element with multiple unstable isotopes, after him. The unit of measurement roentgen was also named after him. Biographical history Education He was born to Friedrich Conrad Röntgen, a German merchant and cloth manufacturer, and Charlotte Constanze Frowein. At age three his family moved to the Netherlands where his family lived. Röntgen attended high school at Utrecht Technical School in Utrecht, Netherl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roentgenium
Roentgenium is a chemical element with the symbol Rg and atomic number 111. It is an extremely radioactive synthetic element that can be created in a laboratory but is not found in nature. The most stable known isotope, roentgenium-282, has a half-life of 100 seconds, although the unconfirmed roentgenium-286 may have a longer half-life of about 10.7 minutes. Roentgenium was first created in 1994 by the GSI Helmholtz Centre for Heavy Ion Research near Darmstadt, Germany. It is named after the physicist Wilhelm Röntgen ( also spelled Roentgen), who discovered X-rays. Only a few roentgenium atoms have ever been synthesized, and they have no current practical application beyond that of scientific study. In the periodic table, it is a d-block transactinide element. It is a member of the 7th period and is placed in the group 11 elements, although no chemical experiments have been carried out to confirm that it behaves as the heavier homologue to gold in group 11 as the ninth m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roentgen (unit)
The roentgen or röntgen (; 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). In 1928, it was adopted as the first international measurement quantity for ionising radiation to be defined for radiation protection, as it was then the most easily replicated method of measuring air ionization by using ion chambers. It is named after the German physicist Wilhelm Röntgen, who discovered X-rays and was awarded the first Nobel Prize in Physics for the discovery. 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. For instance, one roentgen deposits of absorbed dose in dry air, or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abraham Roentgen
Abraham Roentgen (30 January 1711 – 1 March 1793) was a German Ébéniste (cabinetmaker). Roentgen was born in Mülheim am Rhein, Germany. He learned cabinet making from his father. At age 20, he traveled to The Hague, Rotterdam and Amsterdam, learning from established cabinet makers. He became known for his marquetry work, and worked in London (in the workshop of William Gomm) until 1738. On 18 April 1739, he married Susanne Marie Bausch from Herrnhut. His son, David Roentgen, was born on 11 August 1743. In 1753 they migrated to the Moravian settlement at Neuwied, near Koblenz Koblenz (; Moselle Franconian: ''Kowelenz''), spelled Coblenz before 1926, is a German city on the banks of the Rhine and the Moselle, a multi-nation tributary. Koblenz was established as a Roman military post by Drusus around 8 B.C. Its nam ..., where he established a furniture manufactory. Upon his retirement in 1772 his son David took over the business and established his own reputation. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
David Roentgen
David Roentgen (1743 in HerrnhaagFebruary 12, 1807), was a famous German cabinetmaker of the eighteenth century, famed throughout Europe for his marquetry and his secret drawers and poes and mechanical fittings. His work embraces the late Rococo and the Neoclassical styles. Chronology In 1753 his father Abraham Roentgen, who had trained in London in the workshop of William Gomm, migrated to the Moravian settlement at Neuwied, near Coblenz, where he established a furniture factory. David learned his trade in his father's workshop, inherited the paternal business in 1772, and entered into partnership with the clockmaker Kintzing. By that time, the name of the firm was well known, even in France. Oddly he is remembered in France as one of the foreign cabinetmakers and workers in marquetry who, like Jean-François Oeben and Jean Henri Riesener, achieved distinction during the closing years of the Ancien Régime. Since Paris was the style center of Europe, he opened a show-room, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gerhard Moritz Roentgen
Gerhard Moritz Roentgen (* 7 May 1795 in Esens in Ostfriesland; † 28 October 1852 in Santpoort near Velsen in North Holland) was a Dutch Navy officer, machine building engineer and ship builder. As of 1823 he was involved in founding the Nederlandsche Stoomboot Maatschappij (NSM). At first he was one of NSM two chief executives. Later on, he was the only executive till 1849. The invention of the marine compound steam engine is Roentgen's main scientific achievement. Early life Youth and service in the navy Gerhard Moritz Roentgen, known in the Netherlands as Gerhard Mauritz Roentgen, was the fourth son of Ludwig Roentgen and Sophia Margaretha Tischbein. Ludwig was a minister and the inspector of the orphanage and poor house in Esens, Ostfriesland. Ludwig's father descended from the artistic cabinet maker family Roentgen from Neuwied on the Rhine. Till his 13th year, Roentgen lived in Esens, which had become part of the Kingdom of Holland by then. In 1808 he joined the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Engelbert Röntgen
Engelbert Röntgen (30 September 1829 – 12 December 1897)Obituary '' Signale für die musikalische Welt'' 1897, volume 64 page 1011. Austrian National Library. was a German violinist, for many years concertmaster of the . Life He was born in in the Netherlands, the son of Johann Röntgen, a German merchant, and his Dutch wife. He entered the[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heinrich Röntgen
Heinrich Röntgen (1787–1813), was one of four students recommended as explorers to Joseph Banks' African Association by Johann Friedrich Blumenbach, the others being Friedrich Hornemann Friedrich Conrad Hornemann (15 September 1772 – 1801) was a German explorer in Africa. Hornemann was born in Hildesheim, a city in Lower Saxony, Germany, located about 30 km southeast of Hannover. He was a young man when, early in 1796, ..., Ulrich Seetzen, and Johann Ludwig Burckhardt. All died in Africa. Following the disappearance of British diplomat Benjamin Bathurst near Berlin in 1809, Röntgen accompanied Bathurst's wife Phillida when she travelled to Germany to search for her husband. Notes {{DEFAULTSORT:Rontgen, Heinrich 1787 births 1813 deaths German explorers Explorers of Africa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Julius Röntgen
Julius Engelbert Röntgen (9 May 1855 – 13 September 1932) was a German-Dutch composer of classical music. He was a friend of Liszt, Brahms and Grieg. Life Julius Röntgen was born in Leipzig, Germany, to a family of musicians. His father, the Dutch born Engelbert Röntgen, was first violinist in the Leipzig Gewandhaus Orchestra, Gewandhaus orchestra in Leipzig; his mother, Pauline Klengel, was a pianist, an aunt of the renowned cellist Julius Klengel, born in 1859. Julius was a gifted child. Neither he nor his sisters attended school; he was taught music by his parents and grandparents, and other subjects by private tutors. His first piano teacher was Carl Reinecke, the director of the Gewandhaus orchestra, while his early compositions were influenced by Reinecke, but also by Robert Schumann, Franz Liszt and Johannes Brahms. In 1870, at the age of 14, Julius Röntgen visited Franz Liszt in Weimar; after playing piano for him he was invited to a soiree at Liszt's house. I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kevin Roentgen
Kevin Roentgen (pronounced "rent-gehn") is an American singer, songwriter, record producer and formerly guitarist for the rock band Orson, who is currently based in Nashville, Tennessee. Roentgen is previously known for fronting L.A. rock bands American Pearl (Wind-Up Records), SOUL (Elektra Records) and Goldsboro. Following the break-up of American Pearl, Roentgen spent most of 2003 in the studio writing and demo-ing new songs. The result was Praying Hands, ''The Acoustic EP'', recorded and co-produced by Noah Shain at White Buffalo Studio in Hollywood. In 2005, Roentgen joined L.A. band Orson as a guitarist. In 2006, Orson released their debut, Bright Idea (Mercury Records), which contained the single, No Tomorrow. Orson went on to win the Brit Award in 2007 for Best International Breakthrough Act. In the Fall of 2007, Orson released the album Culture Vultures, containing the single Ain't No Party. The full length Praying Hands album entitled Dogs and Airplanes was rel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roentgen (album)
''Roentgen'' is the debut album by Hyde (musician), Hyde, released on March 27, 2002. It was released on his own label Haunted Records, a division of Sony's Ki/oon Records. The cover of the regular edition is an X-ray of Hyde's own skull. "The Cape of Storms" was used as the theme song for the movie ''Kagen no Tsuki (film), Kagen no Tsuki'', which Hyde starred in. An English version was released overseas on July 4. A Japanese release of the English version, titled ''Roentgen English'', was released on October 14, 2004. That version came with three bonus songs that were originally used as B-side's on Hyde's singles. The limited edition of the Japanese release came with a DVD that included the music video for "The Cape of Storms" and the audio only track; "The Cape of Storms -Last Quarter Mix-". The album ranked fifth on the Oricon chart. Track listing All songs written and composed by Hyde. # "Unexpected" # "White Song" # "Evergreen" # "Oasis" # "A Drop of Colour" # "Shallow Sle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Röntgen Rays
An X-ray, or, much less commonly, X-radiation, is a penetrating form of high-energy electromagnetic radiation. Most X-rays have a wavelength ranging from 10 picometers to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz ( to ) and energies in the range 145 eV to 124 keV. X-ray wavelengths are shorter than those of UV rays and typically longer than those of gamma rays. In many languages, X-radiation is referred to as Röntgen radiation, after the German scientist Wilhelm Conrad Röntgen, who discovered it on November 8, 1895. He named it ''X-radiation'' to signify an unknown type of radiation.Novelline, Robert (1997). ''Squire's Fundamentals of Radiology''. Harvard University Press. 5th edition. . Spellings of ''X-ray(s)'' in English include the variants ''x-ray(s)'', ''xray(s)'', and ''X ray(s)''. The most familiar use of X-rays is checking for fractures (broken bones), but X-rays are also used in other ways. For ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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