RTG 223 Radiation protection

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Across
  1. 3. The unit of exposure.
  2. 5. The SI unit of equivalent dose.
  3. 7. The abbreviation of disintegration per second.
  4. 9. The part of an atom with a negative electrical charge, which moves around the atom's nucleus.
  5. 11. The energy that comes from a source and travels through space and may be able to penetrate various materials
  6. 13. The disease which is inducing of stochastic effect.
  7. 16. The SI unit of absorbed dose.
  8. 17. The dose representation the total body could receive and could be assessed the potential for long-term effects that might occur in the future.
  9. 19. The SI unit of radioactivity.
  10. 22. A radionuclide is a radioactive element, mam-made or from natural sources, with a specific atomic weight.
  11. 27. The effects that occur by chance and which may occur without a threshold level of dose, whose probability is proportional to the dose and whose severity is independent of the dose.
  12. 28. We can call gamma ray and x-ray ray in the other name.
  13. 30. The particle is a helium NUCLEUS.
Down
  1. 1. The inverse square law is a technique of external radiation protection.
  2. 2. The non SI unit of effective dose .
  3. 3. The non SI unit of absorbed dose.
  4. 4. The amount of ionization in air due to gamma and x-ray.
  5. 6. Material shielding for gamma ray.
  6. 8. We called positive electron, positively charged.
  7. 10. The spontaneous emission of energy from unstable atom.
  8. 12. The energy deposited in a small volume of matter
  9. 14. Neutron shielding material.
  10. 15. The effect that occur with dose-dependent severity. These effects generally do
  11. 18. The equivalent dose of RT for which organ should have the dose limit are 20 mSv per year.
  12. 20. The particle that be absorbed by aluminum.
  13. 21. The disease is abnormal redness and inflammation of the skin caused by deterministic effect.
  14. 23. occur below a certain threshold value.
  15. 24. The elements with the same atomic number but different mass numbers.
  16. 25. The abbreviation of International Commission on Radiation Units and Measurements.
  17. 26. The personal dose monitoring.
  18. 29. The abbreviation of tenth value layer.