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  • radioactivity
  • In order to compare activity concentrations of artificial and natural radioactivity , the adjacent figure shows a comparison between the measured activity concentrations of artificial iodine-131 and caesium-137, and the activity concentrations of radon and beryllium-7, which occur naturally. (bfs.de)
  • The adjacent figure shows the activity concentrations of artificial iodine-131 and caesium-137 compared to the activity concentration of natural radioactivity (radon and beryllium-7), measured at Schauinsland station between 21 March and 12 May 2011. (bfs.de)
  • All matter is constantly bombarded by radiation from cosmic and terrestrial sources, and radioactive elements emit several types of radiation (see radioactivity ). (academic.ru)
  • leak
  • If the containment vessel is breached as a result of melting, radioactive fuel could leak into the ground, or pressure buildup could potentially cause an explosion that projects radioactive material into the air. (popularmechanics.com)
  • The K-278 is at depths too deep for possible retrieval if it begins to leak radioactive material into the ocean. (doomjunkies.com)
  • tonnes
  • This began operating in 2008 and last year (April 2012) completed its role to destroy 57 tonnes of primary (radioactive) NaK. (neimagazine.com)
  • It's the biggest land-based moveable structure in the world, and once in place specialists will use remotely-operated cranes to dismantle and contain the tonnes of highly radioactive material still waiting inside. (geographical.co.uk)
  • waste
  • Way back in 1941, when nuclear weapons and nuclear power were first seriously proposed to the British and American governments, the order of priorities was bombs first, power production second, and concern about radioactive waste products a long way down the list. (scienceforpeace.ca)
  • 17,000 containers of radioactive waste," and three nuclear submarines in the seas. (doomjunkies.com)
  • In the third week of June, while tackling the issue of oil spills along Mumbai's coast, Union Minister for Environment and Forests Jayanti Natarajan told dna that steps had to be taken to curtail the radioactive waste leaking into Thane Creek from the Bhabha Atomic Research Centre (BARC). (dianuke.org)
  • emission
  • Regarding the emission of cesium-137, Fukushima is far ahead its rival. (enenews.com)
  • In 1967, acting on Einstein's proof that the speed of light is the most constant dimension in the universe, the International System of Units used two specific wave counts from an emission spectrum of caesium-133 to co-define the second and the metre . (wikipedia.org)
  • meltdown
  • Since 2011, the Japanese have not been able to control the meltdown and are releasing these radioactive chemicals into the Pacific Ocean, and they have steadily been moving from west to east, hitting the-and are about to hit the West Coast. (therealnews.com)
  • Fukushima Daiichi
  • Fisheries minister Michihiko Kano said later in the day that the government intends to toughen inspections of marine products in Ibaraki and increase the number of inspections off Choshi, Chiba Prefecture, in light of the continuing leaks of radioactive materials into the Pacific Ocean from the damaged Fukushima Daiichi nuclear power plant. (blogspot.com)
  • chemical
  • Caesium (IUPAC spelling ) or cesium (American spelling) [note is a chemical element with symbol Cs and atomic number 55. (wikipedia.org)
  • [note Caesium has physical and chemical properties similar to those of rubidium and potassium . (wikipedia.org)
  • The reactor exploded, ripping the building apart, blowing out a chunk of the core, turning parts of the structure into radioactive lava, and starting a vicious chemical fire that would rage for nine days. (geographical.co.uk)
  • quantities
  • Sodium metal reacts vigorously when exposed to water, releasing hydrogen and large quantities of heat, thereby providing not only an explosive gas mixture but also a source of ignition. (neimagazine.com)
  • Hemisphere
  • First of all, in 2011, when it occurred, these 100-plus radioactive chemicals got into the air and went straight around the world, went completely around the northern hemisphere, including over the United States. (therealnews.com)
  • researcher
  • Michio Aoyama, a senior researcher at the Meteorological Research Institute , released the finding at a scientific symposium in Tsukuba, Ibaraki Prefecture, on Feb. 28. (enenews.com)
  • newly
  • Harrisburg, PA - Pennsylvania's natural gas production volume trended upward in 2015, according to the newly released Department of Environmental Protection (DEP) 2015 Oil and Gas Annual Report. (tmia.com)
  • The German chemist Robert Bunsen and physicist Gustav Kirchhoff discovered caesium in 1860 by the newly developed method of flame spectroscopy . (wikipedia.org)