RTG 223 Radiation protection

1. The particle that be absorbed by aluminum.
3. We can call gamma ray and x-ray ray in the other name.
4. The SI unit of radioactivity.
7. The energy deposited in a small volume of matter
10. occur below a certain threshold value.
11. 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.
13. Material shielding for gamma ray.
16. The personal dose monitoring.
17. Neutron shielding material.
19. The inverse square law is a technique of external radiation protection.
21. The SI unit of absorbed dose.
23. The effect that occur with dose-dependent severity. These effects generally do
25. The abbreviation of disintegration per second.
28. The abbreviation of tenth value layer.
29. The part of an atom with a negative electrical charge, which moves around the atom's nucleus.
30. The non SI unit of effective dose .
31. The non SI unit of absorbed dose.

2. The amount of ionization in air due to gamma and x-ray.
5. The radioactive element, mam-made or from natural sources, with a specific atomic weight.
6. The elements with the same atomic number but different mass numbers.
8. The spontaneous emission of energy from unstable atom.
9. The dose representation the total body could receive and could be assessed the potential for long-term effects that might occur in the future.
12. The disease which is inducing of stochastic effect.
14. The particle is a helium NUCLEUS.
15. We called positive electron, positively charged.
18. The energy that comes from a source and travels through space and may be able to penetrate various materials
20. The equivalent dose of RT for which organ should have the dose limit are 500 mSv per year.
22. The unit of exposure.
24. The abbreviation of International Commission on Radiation Units and Measurements.
26. The SI unit of equivalent dose.
27. The disease is abnormal redness and inflammation of the skin caused by deterministic effect.