assignment2

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assignment2

  1. 1. Radiations effect on human body or health
  2. 2. Example measures of radiations <ul><li>Roentgen
  3. 3. Roentgen of radiations are comparatively safe.
  4. 4. An atomic bomb
  5. 5. The atomic bomb are dropped at Hiroshima and Nagasaki. It is very misery.
  6. 6. Nuclear power plant
  7. 7. This plant is easy for natural. However, if this plant have happening, it is big problem. </li></ul>
  8. 8. Radiations effect of symptom <ul><li>Nausea
  9. 9. Vomiting
  10. 10. Headache
  11. 11. Hair loss
  12. 12. etc... </li></ul>
  13. 13. Radiation's works in human body <ul><li>Radiations decrease white blood cells in human body.
  14. 14. White blood cells is very important for living.
  15. 15. Radiations cause of leukemia, lung cancer, thyroid cancer, breast cancer, and so on. </li></ul>
  16. 16. Hiroshima and Nagasaki <ul><li>1945, two atomic bomb are dropped at Hiroshima and Nagasaki.
  17. 17. Two atomic bomb have many radiations and severe power.
  18. 18. Many people are exposed to radiation by this bomb. </li></ul>
  19. 19. Three mile island <ul><li>Nuclear power plant in three mile island have experience of accident.
  20. 20. The accident was cause of maintenance worker's mistakes.
  21. 21. About 140000 people took refuge by this accident. </li></ul>
  22. 22. Medical treatment of radiations <ul><li>Radiations are used in many hospitals.
  23. 23. Radiations can kill the cells of cancer. This is high technology.
  24. 24. However, if we bask in many radiations, it is contrary effect. </li></ul>
  25. 25. Summarize <ul><li>Radiations is very danger, but it is useful in the medical world.
  26. 26. In the past, there are some accident of radiations in the world.
  27. 27. Radiations are causes of leukemia, lung cancer and so on. </li></ul>

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