Strontium-90 - Nuclear Magick - Priests Of The Bomb
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Strontium 90 Sr is a radioactive isotope of strontium produced by nuclear fissionwith a half-life of Naturally occurring strontium is nonradioactive and nontoxic at levels normally found in the environment, but 90 Sr is a radiation hazard. It is present in significant amount in spent nuclear fuel and in radioactive waste from nuclear reactors and in nuclear fallout from nuclear tests.
For thermal neutron fission as in today's nuclear power plants, the fission product yield from U is 5. Strontium is a " bone seeker " that exhibits biochemical behavior similar to calciumthe next lighter group 2 element. Exposure to 90 Sr can be tested by a bioassaymost commonly by urinalysis. The biological half-life of strontium in humans has variously been reported as from 14 to days,   days,  18 years,  30 years  and, at an upper limit, 49 years. However, by averaging all excretion paths, the overall biological half life is estimated to be about 18 years.
The elimination rate of strontium is strongly affected by age and sex, due Horatio, Elchinsoul, Gruia - Nature Calls differences in bone metabolism.
Together with the caesium isotopes CsCsand iodine isotope I it was among the most important isotopes regarding health impacts after the Chernobyl disaster. As strontium has an affinity to the calcium-sensing receptor of parathyroid cells that is similar to that of calcium, the increased risk of liquidators of the Chernobyl power plant to suffer from primary hyperparathyroidism could be explained by binding of strontium The radioactive decay of strontium generates a significant amount of heat, 0.
Controlled amounts of 90 Sr and 89 Sr can be used in treatment of bone cancerand to treat coronary restenosis via vascular brachytherapy. It is also used as a radioactive tracer in medicine and agriculture. Strontium is not quite as likely as caesium to be released as a part of a nuclear reactor accident because it is much less volatile, but is probably the most dangerous component of the radioactive fallout from Strontium-90 - Nuclear Magick - Priests Of The Bomb nuclear weapon.
A study of hundreds of thousands of deciduous teethcollected by Dr. Louise Reiss and her colleagues as part of the Baby Tooth Surveyfound a large increase in 90 Sr levels through the s and early s. The study's final results showed that children born in St. Louis, Missouriin had levels of 90 Sr in their deciduous teeth that was 50 times higher than that found in children born inbefore the advent of large-scale atomic testing.
Commentators on the study said that the fallout was likely to cause increased cases of diseases in those who absorb strontium into their bones.
An article with the study's initial findings was circulated to U. President John F. Kennedy inand helped convince him to sign the Partial Nuclear Test Ban Strontium-90 - Nuclear Magick - Priests Of The Bomb with the United Tierra De Tanta Alegría (Tantos Malagueños) - Antonio Mairena - El Arte De Antonio Mairena and Soviet Unionending the above-ground nuclear weapons testing that placed the greatest amounts of nuclear fallout Strontium-90 - Nuclear Magick - Priests Of The Bomb the atmosphere.
From Wikipedia, the free encyclopedia. This article is about the chemical isotope. For the band, see Strontium 90 band. Lund University. Retrieved Retrieved 18 June Radionuclide and Radiation Protection Data Handbook 2nd ed.
Nuclear Technology Publishing. US Nuclear Regulatory Commission. Area IV Envirothon. Argonne National Laboratory. October The effects of Nuclear Weapons.
Journal of Physics: Conference Series. New England Journal of Medicine. Washington, DC: U. Congress, More Mess On My Thing - Various - Stop And Listen Vol. II of Technology Assessment.
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