教你如何样幸免核辐射影响(国外英文资料).docVIP

教你怎么样防止核辐射影响 Teach you how to prevent radiation exposure. A nuclear explosion at the fukushima nuclear power plant has caused an explosion at a nuclear power plant in the northern part of the country. The site is 2,200 kilometers from Beijing and 1,900 kilometers away from Qingdao. An explosion at two reactors in Japans fukushima daiichi reactor has confirmed a nuclear leak, and the northern onagawa nuclear power plant has also detected radiation contamination. Day expert: not to rule out the most serious nuclear accident in the history of chernobyl Chinese experts: it wont affect China in three days Internet: a number of self-defense force soldiers have been killed in the scene of the explosion. Update: Tokyo has been affected by a rise in radiation levels One: what kinds of radiation are there? Radiation is mainly alpha, beta, and gamma rays: alpha, beta, gamma rays. There are two ways in which human beings receive radiation, called internal and external. Α, beta, gamma rays, due to the different characteristics, its ability to penetrate the material is different, they cause a harm to human body in a different way. Alpha particles only cause damage when theyre inside the body, and thats internal exposure; Gamma rays, which cause damage to the human body outside the human body, are external irradiation; The beta rays cause both internal and external exposure. How to protect the alpha rays? Due to the alpha particle penetration is weakest, a piece of white paper can block it, therefore, should be paid attention to for alpha rays irradiation, it enters the body is the main way of breathing and eating, its protective methods mainly are: (1) to prevent the inhalation of contaminated air and contaminated food; (2) prevent the wound from being contaminated. How do you protect beta particles? Beta particles, which are stronger than alpha rays, are weaker than gamma rays, so the beta rays are more easily blocked, and can be blocked by ordinary metals. However, beta rays a