25. Traces of radioactive contamination of water washed out with
Traces of radioactive contamination of water washed out with soap
CNA Update: "2011/03/15 14:10"

(BW 15) Japanese Fukushima nuclear power plant explosion of success first, worry about the outside world in addition to the reactor meltdown, but also worried about meltdown will result in hazardous radiation exposure.

United States, "Cable News Network" (CNN) reported today that the nuclear power plant in Fukushima, about 160 people in the region to detect the radiation test positive. Rescue mission in Japan, the U.S. Navy helicopter crew, 17 people showed low-level radiation. However, the U.S. Navy said the crew with soap and water after grooming, who had undetectable radiation contamination.

Columbia University (Columbia University) Director of Radiology Research Center, Bu Ruina (David Brenner) said that the current radiation levels are still low, but the next 24-48 hours is the key.

Ionizing radiation (ionizing radiation) has four main types. α-particles (Alpha particles) is relatively heavy, leakage can not penetrate human skin or clothing, but if the other way into the body, will harm the human body. Beta radiation (Beta radiation) can cause skin damage, is harmful to the body organs. Gamma rays and X-ray (Gammaand X-rays) is the invisible high energy beam, may hurt the organization, the most harmful to human body.

U.S. National Committee on Radiation Protection and Measurement (NationalCouncil on Radiation Protection and Measurement) study found that nearly half the U.S. population from medical radiation sources, such as computed tomography (CT scans), X-ray and nuclear medicine. However, the sun, the stars and the soil will release radiation.

1 individual 1-year average of about 3000 micro-radiation pollution Sev (microsieverts). To facilitate understanding of the meaning behind the data, so to speak, according to a second micro-CT will Sev 3000, but lasted only a few minutes.

You are farther away from the sources, pollution by harmful gamma rays damage the lower.

Generally, the greater the amount of radioactive contamination, poisoning symptoms come sooner and the more intense.

Nausea and vomiting are the initial symptoms of radiation poisoning. 10 minutes will be the incidence of serious, immediate, dizziness, weak, low blood pressure phenomenon. If the poisoning is slight, a person may be six hours after the onset.

According to the U.S. Mayo Clinic (Mayo Clinic), just take off clothes and shoes, you can subtract 90 percent of external radioactive contamination, use soap and water can wash the skin of the radiation. Inhale or eat it to reduce your risk of particles into the radiation, but also reduce the open wounds may be contaminated.

Radioactive iodine (radioactive iodine) are harmful, so KI (potassium iodide) can protect the thyroid from damage.

In view of Fukushima nuclear power plant is the first leak of radioactive iodine, iodine tablets in Japan is being issued to local residents. (Translator: CNA Caijia Min) 1000315
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