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Nuclear radiation
      and
 human's health
    s1180197 Kana Horii
Tow types of radiations

 ● Non-Ionizing radiation
       ➩Refers to any type of electromagnetic radiation that does
not carry enough energy per quantum to ionize atoms or
molecules—that is, to completely remove an electron from an atom
or molecule.
 ● Ionizing radiation
       ➩The action of the substance, either directly or indirectly
ionizing the material (ionization effect) that the ability of ionizing
Non-ionizing
Radiation         Source           Wavelength    Frequency     Biological effects

UVA               Black light      318-400 nm    750-950 THz   Eye: photochemical
                  Sunlight                                     cataract
                                                               Skin: erythema,
                                                               pigmentation


Visible light     Lasers           400-780 nm    385-750 THz   Eye: photochemical
                  Sunlight                                     & thermal retinal
                  Fire                                         injury
                  LED                                          Skin: photoaging


Microwave         PCS phones       1 mm - 33cm   1-300GHz      Heating of body
                  Cell phone                                   tissue
                  microwave oven
                  Wi-Fi

Radio-frequency   Cell phone       33cm - 3km    100kHz-1GHz   Heading of body
radiationn        Television                                   tissue
                  FM,AM                                        Raised body
                  coedless phone                               temprature
ionizing
Radiation           Energy             WR


X-rays                                 1
Ganmma rays
Electrons
Positrons
Muons
Neutrons            <10 keV - 20 Mev   5-20

Protons             >2MeV              2



Alpha particles                        20
Fission fragments
Heavy nuclei
Radiation exposure

  Radiation exposure is that the human body must be exposed to
the massive dose of radiation. It dies when the symptom is heavy.

Symptoms caused by exposure

 ● Leukemia

 ● Cancer

 ● Nausea

 ● headache
Nuclear bomb

Nuclear bomb is a nuclear
weapon that explodes it by the
nuclear fission reaction that
atomic nuclei such as the
uranium and plutonium. cause.
The power of an atomic bomb is
indiscrimination and a large
amount of Weapons of mass
destruction that are extremely
large compared with conventional
arms, and slaughtered.
Relation radiation from
 nuclear plant and nuclear bomb
1. Uranium concentration
      ➩ The nuclear power plant doesn't explode like the
atomic                 bomb because the uranium concentration is
low. 


2. Rapidity of response of nuclear material
      ➩ The atomic bomb does instantaneously though
nuclear                 power generation does the reaction spending
time.
Conclusion

 1. There are two radiation, it is non-ionizing and ionizing.
    However, only ionizing is harmful in the human body.


 2. The nuclear power plant and the atomic bomb have a big
The bloodshed ability of the nuclear power plant  is lower
than that of the atomic bomb.

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Sw3 slide1

  • 1. Nuclear radiation and human's health s1180197 Kana Horii
  • 2. Tow types of radiations ● Non-Ionizing radiation ➩Refers to any type of electromagnetic radiation that does not carry enough energy per quantum to ionize atoms or molecules—that is, to completely remove an electron from an atom or molecule. ● Ionizing radiation ➩The action of the substance, either directly or indirectly ionizing the material (ionization effect) that the ability of ionizing
  • 3. Non-ionizing Radiation Source Wavelength Frequency Biological effects UVA Black light 318-400 nm 750-950 THz Eye: photochemical Sunlight cataract Skin: erythema, pigmentation Visible light Lasers 400-780 nm 385-750 THz Eye: photochemical Sunlight & thermal retinal Fire injury LED Skin: photoaging Microwave PCS phones 1 mm - 33cm 1-300GHz Heating of body Cell phone tissue microwave oven Wi-Fi Radio-frequency Cell phone 33cm - 3km 100kHz-1GHz Heading of body radiationn Television tissue FM,AM Raised body coedless phone temprature
  • 4. ionizing Radiation Energy WR X-rays 1 Ganmma rays Electrons Positrons Muons Neutrons <10 keV - 20 Mev 5-20 Protons >2MeV 2 Alpha particles 20 Fission fragments Heavy nuclei
  • 5. Radiation exposure   Radiation exposure is that the human body must be exposed to the massive dose of radiation. It dies when the symptom is heavy. Symptoms caused by exposure ● Leukemia ● Cancer ● Nausea ● headache
  • 6. Nuclear bomb Nuclear bomb is a nuclear weapon that explodes it by the nuclear fission reaction that atomic nuclei such as the uranium and plutonium. cause. The power of an atomic bomb is indiscrimination and a large amount of Weapons of mass destruction that are extremely large compared with conventional arms, and slaughtered.
  • 7. Relation radiation from nuclear plant and nuclear bomb 1. Uranium concentration ➩ The nuclear power plant doesn't explode like the atomic                 bomb because the uranium concentration is low.  2. Rapidity of response of nuclear material ➩ The atomic bomb does instantaneously though nuclear                 power generation does the reaction spending time.
  • 8. Conclusion 1. There are two radiation, it is non-ionizing and ionizing. However, only ionizing is harmful in the human body. 2. The nuclear power plant and the atomic bomb have a big The bloodshed ability of the nuclear power plant is lower than that of the atomic bomb.