RTG 223 Radiation protection

4. The non SI unit of effective dose .
8. We can call gamma ray and x-ray ray in the other name.
9. The particle that be absorbed by aluminum.
10. Material shielding for gamma ray.
12. The part of an atom with a negative electrical charge, which moves around the atom's nucleus.
13. The energy that comes from a source and travels through space and may be able to penetrate various materials
15. The particle is a helium NUCLEUS.
16. The SI unit of radioactivity.
18. The abbreviation of disintegration per second.
20. The inverse square law is a technique of external radiation protection.
22. occur below a certain threshold value.
24. The dose representation the total body could receive and could be assessed the potential for long-term effects that might occur in the future.
25. Neutron shielding material.
28. The abbreviation of International Commission on Radiation Units and Measurements.
29. 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.
30. The abbreviation of tenth value layer.

1. The SI unit of equivalent dose.
2. The equivalent dose of RT for which organ should have the dose limit are 500 mSv per year.
3. The disease is abnormal redness and inflammation of the skin caused by deterministic effect.
5. The radioactive element, mam-made or from natural sources, with a specific atomic weight.
6. The energy deposited in a small volume of matter
7. The unit of exposure.
11. The SI unit of absorbed dose.
14. The elements with the same atomic number but different mass numbers.
17. The amount of ionization in air due to gamma and x-ray.
19. We called positive electron, positively charged.
20. The effect that occur with dose-dependent severity. These effects generally do
21. The disease which is inducing of stochastic effect.
23. The spontaneous emission of energy from unstable atom.
26. The non SI unit of absorbed dose.
27. The personal dose monitoring.