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Examples of the the word, radioactivity , in a Sentence Context

The word ( radioactivity ), is the 15811 most frequently used in English word vocabulary

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  1. And einsteinium (II) iodide (EsI2) Organometallic compounds The high, radioactivity ,of einsteinium has a potential use in radiation therapy, and organometallic
  2. Theory of isotopes. His work and essays popularizing the new understanding of, radioactivity ,was the main inspiration for H. G. Wells's The World Set Free (1914),which
  3. History Alpha particles were first described in the investigations of, radioactivity ,by Ernest Rutherford in 1899,and by 1907 they were identified as He2+ ions.
  4. Such as lead, steel,concrete or packed earth. Weapons fallout The bulk of the, radioactivity ,in nuclear accident fallout is more long-lived than that in weapons fallout. A
  5. Weighed a few micrograms; they were barely visible and were identified by their, radioactivity , The first substantial amounts of metallic americium weighing 40–200 micrograms
  6. a hundred thousand people to be relocated into deep mine shafts, where the, radioactivity ,would never penetrate so the United States can be repopulated. Strange love
  7. Weathering, erosion,sedimentation, and nitrification. Until the discovery of, radioactivity ,in 1896 and the development of its geological applications through radiometric
  8. The origins of natural and man-made isotopes in the study of environmental, radioactivity , Business * Financial statement analysis – the analysis of the accounts and the
  9. Four hydrogen bombs, in 1968 in Greenland. In other regions, the average, radioactivity ,due to residual americium is only about 0.01 picocuries. Atmospheric americium
  10. Irradiation of 226 in a nuclear reactor. Owing to its scarcity, high price and, radioactivity , actinium has no significant industrial use. Its current applications include a
  11. Not been measured because it exists only in small quantities due to it's high, radioactivity , Below, hydrogen is included for comparison. Hydrogen The element hydrogen
  12. 1956) was an English radio chemist who explained, with Ernest Rutherford, that, radioactivity , is due to the transmutation of elements, now known to involve nuclear reactions
  13. For example 137Cs together with 90Sr currently generate the largest source of, radioactivity ,generated in the area around the Chernobyl disaster. It is not feasible to
  14. Generators. This application is hindered by the scarcity, high cost and, radioactivity ,of curium isotopes. Curium is used in production of heavier actinides and of
  15. In 1932. This was the first example of decay, which they termed artificial, radioactivity ,since 30P is a short-lived nuclide which does not exist in nature. The theory
  16. Research into the transmutation of elements. Rutherford had demonstrated that, radioactivity ,was the spontaneous disintegration of atoms. He noticed that a sample of
  17. Displayed by a needle or lamp and/or audible. Modern instruments can report, radioactivity ,over several orders of magnitude. Some Geiger counters can be used to detect
  18. Designed to allow its occupants to minimize exposure to harmful fallout until, radioactivity ,has decayed to a safer level. Although many shelters still exist, many even
  19. To claim to have found eka-caesium, or francium. In 1925,he observed weak, radioactivity ,in a sample of potassium, another alkali metal, and incorrectly concluded that
  20. The element plays no natural biological role in any organism due to its intense, radioactivity ,and low concentration in the environment. Californium can enter the body from
  21. These organs, americium promotes formation of cancer cells as a result of its, radioactivity , Americium often enters landfills from discarded smoke detectors. The rules
  22. In early work he discovered the concept of radioactive half-life, proved that, radioactivity ,involved the transmutation of one chemical element to another, and also
  23. And near Sir Isaac Newton. Scientific research During the investigation of, radioactivity ,he coined the terms' alpha ray and beta ray in 1899 to describe the two distinct
  24. And incorrectly concluded that eka-caesium was contaminating the sample (the, radioactivity ,from the sample was actually the naturally occurring potassium radioisotope
  25. With matter. Antineutrinos are another kind of antiparticles created by natural, radioactivity ,(β− decay). Many kinds of antiparticles are also produced by (and
  26. Other elements. This decay also produced alpha, beta,and gamma radiation. When, radioactivity ,was first discovered, no one was sure what the cause was. It needed careful
  27. Most natural stones. However, some granite shave been reported to have higher, radioactivity ,thereby raising some concerns about their safety. Some granite contain around
  28. An electron. In 1901 Rutherford and Frederick Soddy showed that alpha and beta, radioactivity ,involves the transmutation of atoms into atoms of other chemical elements. In
  29. Husband Pierre Curie who are noted for discovering radium and for their work in, radioactivity , It followed the example of gadolinium, a lanthanide element above curium in
  30. Turn of the 20th century, through various experiments with electromagnetism and, radioactivity , physicists discovered that the so-called" indivisible atom" was actually a
  31. Principal medium-lived fission product along with 90Sr—both are responsible for, radioactivity ,of spent nuclear fuel after several years of cooling up to several hundred
  32. And was formerly used in producing high-quality lenses, but due to its, radioactivity ,has been replaced by lanthanum oxide in modern eyeglasses. Iron can be
  33. Her husband Pierre who are noted for discovering radium and for their work in, radioactivity , Bombarding curium-242 with particles resulted in an isotope of californium
  34. Phenomena, and By is only used for stochastic processes associated with, radioactivity , Radiation - exposure The roentgen is not a SI unit and the NIST strongly
  35. The +2 oxidation state is also accessible, especially in solids. The high, radioactivity ,of einsteinium produces a visible glow and rapidly damages its crystalline
  36. Below assumes that no chemical separation occurred during the transport of, radioactivity ,to the site where the fallout fell (this in real life is not true),and that
  37. Effect is beta decay (of neutrons in atomic nuclei) and the associated, radioactivity , The word" weak" derives from the fact that the field strength is some 1013
  38. Grams of various americium isotopes, mostly 241Am and 243Am. Their prolonged, radioactivity ,is undesirable for the disposal, and therefore americium, together with other
  39. University in Montreal, Quebec,where he worked with Ernest Rutherford on, radioactivity , He and Rutherford realized that the anomalous behavior of radioactive
  40. Its estimated shear modulus is similar to that of lead. Owing to its strong, radioactivity , actinium glows in the dark with a pale blue light, which originates from the
  41. The mixture's components on the gel. If the molecules to be separated contain, radioactivity , for example in DNA sequencing gel, an autoradiogram can be recorded of the gel
  42. Chernobyl accident a program of road washing was used to control the spread of, radioactivity , * Windows can be bricked up, or the sill raised to reduce the hole in the
  43. Toxicity of cesium because it replaces potassium. Also,francium's extreme, radioactivity ,is a great hazard, although the greatest quantity of francium ever assembled to
  44. For several years, Seaborg conducted important research in artificial, radioactivity ,using the Lawrence cyclotron at UC Berkeley. He was excited to learn from
  45. No biological role and would most likely be extremely toxic due to its extreme, radioactivity , If francium was not radioactive, based on periodic trends it would most likely
  46. He was awarded the 1938 Nobel Prize in Physics for his work on induced, radioactivity , Fermi is widely regarded as one of the leading scientists of the, highly
  47. The surface of the 67P/Churyumov-Gerasimenko comet. Safety Owing to it's high, radioactivity , curium and its compounds must be handled in appropriate laboratories under
  48. Present in the biosphere in small amounts from radiation leaks) represent a, radioactivity ,burden which varies depending on location. Radiocaesium does not accumulate in
  49. Up to the present Gross National Product in 20 years and emerge after the, radioactivity ,has ceased in about 100 years. At one point,Strangelove's errant right arm
  50. To contamination, unless one uses underground argon sources with a low level of, radioactivity , Dark matter detectors currently operating with liquid argon include Warp, ArDM

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