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International Radiation Protection Association
The International Radiation Protection Association (IRPA) is an independent non-profit association of national and regional radiation protection societies, and its mission is to advance radiation protection throughout the world. It is the international professional association for radiation protection.) IRPA is recognized by the IAEA as a Non Governmental Organization (NGO) and is an observer on the IAEA Radiation Safety Standards Committee (RASSC). IRPA was formed on June 19, 1965, at a meeting in Los Angeles; stimulated by the desire of radiation protection professionals to have a world-wide body. Membership includes 50 Associate Societies covering 65 countries, totaling approximately 18,000 individual members. Structure The General Assembly, made up of representatives from the Associate Societies, is the representative body of the Association. It delegates authority to the Executive Council for the efficient administration of the affairs of the Association. Specific duti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radiation Protection
Radiation protection, also known as radiological protection, is defined by the International Atomic Energy Agency (IAEA) as "The protection of people from harmful effects of exposure to ionizing radiation, and the means for achieving this". Exposure can be from a source of radiation external to the human body or due to internal irradiation caused by the ingestion of radioactive contamination. Ionizing radiation is widely used in industry and medicine, and can present a significant health hazard by causing microscopic damage to living tissue. There are two main categories of ionizing radiation health effects. At high exposures, it can cause "tissue" effects, also called "deterministic" effects due to the certainty of them happening, conventionally indicated by the unit gray and resulting in acute radiation syndrome. For low level exposures there can be statistically elevated risks of radiation-induced cancer, called " stochastic effects" due to the uncertainty of them happening, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Commission On Radiation Units And Measurements
The International Commission on Radiation Units and Measurements (ICRU) is a standardization body set up in 1925 by the International Congress of Radiology, originally as the X-Ray Unit Committee until 1950. Its objective "is to develop concepts, definitions and recommendations for the use of quantities and their units for ionizing radiation and its interaction with matter, in particular with respect to the biological effects induced by radiation". The ICRU is a sister organisation to the International Commission on Radiological Protection (ICRP). In general terms the ICRU defines the units, and the ICRP recommends how they are used for radiation protection. Development During the first two decades of its existence, its formal meetings were held during the International Congress of Radiology, but from 1950 onwards, when its mandate was extended, it has met annually. Until 1953, the president of the ICRU was a national of the country that was hosting the ICR, but in that year it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Index Of Radiation Articles
* absorbed dose * Electromagnetic radiation * equivalent dose * hormesis * Ionizing radiation * Louis Harold Gray (British physicist) * rad (unit) * radar * radar astronomy * radar cross section * radar detector * radar gun * radar jamming * (radar reflector) corner reflector * radar warning receiver * (Radarange) microwave oven * radiance * (radiant: see) meteor shower * radiation * Radiation absorption * Radiation acne * Radiation angle * radiant barrier * (radiation belt: see) Van Allen radiation belt * Radiation belt electron * Radiation belt model * Radiation Belt Storm Probes * radiation budget * Radiation burn * Radiation cancer * (radiation contamination) radioactive contamination * Radiation contingency * Radiation damage * Radiation damping * Radiation-dominated era * Radiation dose reconstruction * Radiation dosimeter * Radiation effect * radiant energy * Radiation enteropathy * (radiation exposure) radioactive contamination * Radiation flux * (radiatio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radiation Protection
Radiation protection, also known as radiological protection, is defined by the International Atomic Energy Agency (IAEA) as "The protection of people from harmful effects of exposure to ionizing radiation, and the means for achieving this". Exposure can be from a source of radiation external to the human body or due to internal irradiation caused by the ingestion of radioactive contamination. Ionizing radiation is widely used in industry and medicine, and can present a significant health hazard by causing microscopic damage to living tissue. There are two main categories of ionizing radiation health effects. At high exposures, it can cause "tissue" effects, also called "deterministic" effects due to the certainty of them happening, conventionally indicated by the unit gray and resulting in acute radiation syndrome. For low level exposures there can be statistically elevated risks of radiation-induced cancer, called " stochastic effects" due to the uncertainty of them happening, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ionizing Radiation
Ionizing radiation (or ionising radiation), including nuclear radiation, consists of subatomic particles or electromagnetic waves that have sufficient energy to ionize atoms or molecules by detaching electrons from them. Some particles can travel up to 99% of the speed of light, and the electromagnetic waves are on the high-energy portion of the electromagnetic spectrum. Gamma rays, X-rays, and the higher energy ultraviolet part of the electromagnetic spectrum are ionizing radiation, whereas the lower energy ultraviolet, visible light, nearly all types of laser light, infrared, microwaves, and radio waves are non-ionizing radiation. The boundary between ionizing and non-ionizing radiation in the ultraviolet area is not sharply defined, as different molecules and atoms ionize at different energies. The energy of ionizing radiation starts between 10 electronvolts (eV) and 33 eV. Typical ionizing subatomic particles include alpha particles, beta particles, and neutrons. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John D
John is a common English name and surname: * John (given name) * John (surname) John may also refer to: New Testament Works * Gospel of John, a title often shortened to John * First Epistle of John, often shortened to 1 John * Second Epistle of John, often shortened to 2 John * Third Epistle of John, often shortened to 3 John People * John the Baptist (died c. AD 30), regarded as a prophet and the forerunner of Jesus Christ * John the Apostle (lived c. AD 30), one of the twelve apostles of Jesus * John the Evangelist, assigned author of the Fourth Gospel, once identified with the Apostle * John of Patmos, also known as John the Divine or John the Revelator, the author of the Book of Revelation, once identified with the Apostle * John the Presbyter, a figure either identified with or distinguished from the Apostle, the Evangelist and John of Patmos Other people with the given name Religious figures * John, father of Andrew the Apostle and Saint Peter * Pope ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dan Jacobo Beninson
Dan Jacobo Beninson (1931 – 2003) was an Argentine radiation expert who worked for the Argentine Atomic Energy Commission (CNEA) since 1955 holding different posts. He chaired the institution from 1998 to 1999 and was a member of its board of directors in several opportunities. He was a member of INVAP Board of Directors from 1987 to 1989. From 1974 to 1979, he was director of the Scientific Secretariat of the United Nations Scientific Committee on the Effects of Atomic Radiation ( UNSCEAR). He was for many years a member of the International Commission on Radiation Protection (ICRP) which he chaired from 1985 to 1993. Among the many awards conferred to him, we will only mention that he was honored with various national and international rewards; he received the Konex Award in 1983 and was named “Personality of the Year” in 1991 by the American Nuclear Society on account of his contributions. In 1998, he was awarded the República de Oro 1998 for his lifelong career. In 200 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edward Pochin
Sir Edward Eric Pochin CBE FRCP (22 September 1909 – 29 January 1990) was a British physician, a specialist in the dangers of ionizing radiation. He attended St.John's College, Oxford, and qualified in medicine at University College Hospital, London, in 1935. He married Constance Margaret Julia Tilly in 1940. They had two children. His wife died in 1971. He directed the Medical Research Council's department of clinical research from 1946 to 1974. Pochin served as advisor to the leading counsel for the British Government and expert witness at the Royal Commission into British nuclear tests in Australia in 1984–1987. Awards and recognition He was appointed a CBE in 1959, and appointed Knight Bachelor The title of Knight Bachelor is the basic rank granted to a man who has been knighted by the monarch but not inducted as a member of one of the organised orders of chivalry; it is a part of the British honours system. Knights Bachelor are ... in 1975. He was aw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lauriston S
Lauriston ( ) is an area of central Edinburgh, Scotland, and home to a number of significant historic buildings. It lies south of Edinburgh Castle and the Grassmarket, and north of The Meadows public park. Lauriston is the former location of the Edinburgh Royal Infirmary, which moved to the area in 1879 in search of fresher air at the edge of the city. Rather than build entirely new facilities, the Infirmary incorporated George Watson's Hospital into the new David Bryce-designed complex. The Infirmary operated as a voluntary hospital and teaching hospital for the University of Edinburgh Medical School until 2003, when operations were moved and the buildings sold to a private developer. The complex underwent major renovations to a design by architects Foster and Partners, resulting in the £750 million mixed-use development branded as the Quartermile. As of 2021, the University of Edinburgh is investing £120 million to convert the remaining main Infirmary buildings to hous ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Valentine Mayneord
William Valentine Mayneord, CBE FRS (14 February 1902 – 10 August 1988) was a British physicist and pioneer in the field of medical physics. Early life and education He was born in Redditch, Worcestershire to Walter and Elizabeth Mayneord but after the early death of his mother was adopted by an aunt in Evesham. He was educated at Prince Henry's School, Evesham and gained a Bachelor of Science at the University of Birmingham Career He entered the field of medical physics in 1924 at St Bart's Hospital in London. In 1927 he moved to the Cancer Hospital, now the Royal Marsden Hospital. There he was involved in pioneering work with Izrael Hieger. During World War II he was seconded by the government to work in Canada on the radiological aspects of atomic energy development. It has been said that such was his renown, especially for bringing in the use of the radiological unit the rad, that the SI unit may well have been called the mayneord instead of the gray (2). It was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rolf Maximilian Sievert
Rolf Maximilian Sievert (; 6 May 1896 – 3 October 1966) was a Swedish medical physicist whose major contribution was in the study of the biological effects of ionizing radiation. Sievert was born in Stockholm, Sweden. His parents were Max Sievert and Sofia Carolina Sievert, née Panchéen.Sekiya, M., Yamasaki, M.,Rolf Maximilian Sievert (1896–1966): father of radiation protection, ''Radiological Physics and Technology'', 9, 1–5 (2016). Retrieved 2 July 2021. In 1881, Max Sievert founded the Max Sievert Company in Stockholm. He served as head of the physics laboratory at Sweden's Radiumhemmet from 1924 to 1937, after which he was appointed head of the department of radiation physics at the Karolinska Institute. He played a pioneering role in the measurement of doses of radiation especially in its use in the diagnosis and treatment of cancer. In later years, he focused his research on the biological effects of repeated exposure to low doses of radiation. He was a foun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
