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This document discusses the risks of radiation exposure from nuclear accidents. It describes the different types of radiation and their health effects, including nausea, fatigue, vomiting, hearing loss and diarrhea from low-level exposure. Higher exposures can cause central nervous system damage and increase cancer risks. The document uses examples from Chernobyl, where 50 people died immediately from exposure and an estimated 4000 may have died since, and Three Mile Island, where nearby residents received low levels of radiation but studies found no conclusive health effects.
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Ζούμε καθημερινά σε μια πόλη με ελάχιστους χώρους πράσινου για ελεύθερο και ασφαλές παιχνίδι, με λίγες ευκαιρίες δημιουργικής απασχόλησης για το παιδί, μια πόλη που μοιάζει να χάνει τον ανθρώπινο χαρακτήρα της.
Έτσι αποφασίσαμε να δημιουργήσουμε το "Παιδί στην πόλη".
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This document provides an overview of radiation pollution and its impact on human health. It discusses various sources of radiation pollution including nuclear explosions, weapons production, mining, power plants and medical procedures. Three types of radiation pollution are described: continuous, occasional, and accidental. The effects of radiation pollution on human health can be instantaneous, delayed, or prolonged. Factors like radiation dose, duration of exposure, and individual sensitivity influence its impact. Radiation can damage human cells and lead to conditions like cancer, mental retardation, and hereditary effects. The Chernobyl accident is presented as a case study.
Radiation
This document provides an overview of radiation and its effects on the human body. It defines radiation as the process of emitting energy through waves or particles, and identifies ionizing radiation as radiation that can knock electrons out of atoms. The types of ionizing radiation are identified as alpha particles, beta particles, gamma rays, x-rays, and neutrons. Sources of radiation include naturally occurring materials, medical equipment, consumer products, and industrial uses. Exposure to radiation can damage cells and DNA, potentially leading to cell death or cancer development over time. Methods to control radiation exposure include minimizing time spent near sources, maximizing distance, and using shielding to block radiation.
Radiation
This document provides an overview of radiation and its effects on the human body. It defines radiation as the emission of energy through waves or particles. Ionizing radiation like alpha particles, beta particles, gamma rays, x-rays and neutrons have sufficient energy to damage atoms and DNA. Sources include naturally occurring radioactive materials in the environment and man-made sources like nuclear reactors, medical equipment, and consumer products. Exposure to high doses of radiation can damage cells and lead to health issues like cancer, but risks are low from everyday sources like medical x-rays. The document recommends limiting radiation exposure through reducing time spent near sources, increasing distance, and using shielding when possible.
Radiation Introduction, Hazards and Measuring Equipment used in Radiation Pro...
Introduction of radiation, hazards and Measuring Equipment used in Radiation Protection.
Biology Effects.
Nuclear effects.
Different Radiation Measuring instruments.
1.Types of personnel monitoring devices
2.Instruments for measuring external Exposure.
Envi project
Radioactive contamination can occur when radioactive materials are released unintentionally into the environment through events like nuclear accidents, explosions, or industrial incidents. Contamination can affect people, animals, and the surrounding area through external exposure from contact with contaminated surfaces or internal exposure from inhaling or ingesting radioactive substances. The health effects of contamination depend on the radioactive material, amount of exposure, and whether it is external or internal contamination. Proper containment and safety precautions can help prevent radioactive contamination.
Information for Nuclear Emergency
Following an earthquake and tsunami in Japan, several nuclear power plants failed, resulting in a nuclear crisis. The document provides information about radiation and its effects on the human body, as well as actions to take in a nuclear emergency, including sheltering, evacuation, and taking stable iodine tablets if instructed. Symptoms of radiation sickness range from nausea and vomiting with mild exposure to hair loss, infections and death with very severe exposure.
Radioactive pollution
This document discusses radioactive pollution, its causes, effects, and control measures. The main causes of radioactive pollution are nuclear accidents at power plants, nuclear weapons testing and use, mining and processing of radioactive materials, and accidents involving radioactive waste. The effects include genetic mutations and diseases like cancer, soil and water contamination, and damage to plants and wildlife. Control measures include proper disposal, storage, and labeling of radioactive waste, banning nuclear tests, developing alternative energy sources, and taking personal precautions by those living near nuclear sites.
Radiation and it’s effect in human life
Radiation comes from natural and manmade sources and can be ionizing or non-ionizing. Natural sources include cosmic radiation from space, terrestrial radiation from the Earth's crust, and internal radiation from isotopes inside the human body. Manmade sources include X-rays, nuclear power, and wireless technologies. Radiation can damage human tissue depending on the amount, with effects including hair loss, reduced blood cell count, gastrointestinal issues, and increased cancer risk with higher exposures. Proper shielding, protective equipment, limiting exposure time, and monitoring with dosimeters can help reduce radiation risks.
5. Nuclear pollution.pptx
Nuclear pollution occurs when radioactive materials are accidentally released into the environment. Radioactive materials emit ionizing radiation that can damage living things. Common causes of nuclear pollution include nuclear power plant accidents, nuclear weapons use, mining and processing of radioactive materials, and improper storage and disposal of nuclear waste. Effects of radiation exposure include genetic mutations, increased cancer rates, soil infertility, and damage to plants and wildlife. Solutions to prevent further nuclear pollution involve proper storage and disposal of nuclear waste, banning nuclear weapons tests, developing alternative energy sources, and taking safety precautions when handling radioactive materials.
Nuclear hazards
The document discusses nuclear hazards and radiation. It defines nuclear reactions like fusion and fission, and notes they can release energy. The main sources of nuclear radiation are natural sources like radon, and anthropogenic sources like nuclear power plants and accidents. Exposure to radiation above certain levels can cause health effects ranging from mild sickness to death. The Chernobyl disaster of 1986 in Ukraine resulted from a power surge and explosions, releasing radiation over Europe. It required large evacuations and has been linked to increased cancer rates. Shielding, distance and limiting exposure time can help control radioactive pollution risks.
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Slide2
- 1. Nuclear crisis s1180216 Rina Kurosawa
- 2. INDEX 1. What's the radiation 2. effect of the radiation 3. radiation risk in Japan 4. radiation rick by the biological 5. example from the past
- 3. What's the radiation ・non-ionizing radiation infrared radiation radio wave cellphone radiation microwave ・ionizing radiation X-rays gamma-rays rays contained alpha or beta particle
- 4. effect of the radiation (1)nausea fatigue vomiting (2)hear loss diarrhea (3)distraction of the intestinal lining worse diarrhea dehydration central nervous system damage
- 5. radiation risk in Japan ・fallout emitted radiation adhere cloth or skin. radiation accumulate on food , milk , water , some product.
- 6. radiation rick by the biological 50000 microseivert nausea within hours 75000 microseivert hear loss within two weeks 1 million microseivert cause hemorrhagic stand a good chance of getting cancer
- 7. example from the past Case Chernobyl ・50 people had dead because of exposure. ・A man was exposed high level to radiation who dead within a few month. ・about 4000 people might be dead because of expose.
- 8. case Three Mile Island ・people in 100 Miles received third of average in a typical year. ・the study have been unable to conclude health effect because of the accident