Be careful with high radiation at home
Home appliance radiation ranking
Professor Zhao Yufeng, an expert in the China Indoor Environmental Monitoring Committee and an electromagnetic protection expert, pointed out in an interview that in general, each household appliance has a fixed working frequency as specified by the national standard of the product (which will be indicated in the product manual). According to the working frequency of home appliances, it can be divided into ultra-low frequency, intermediate frequency and microwave frequency bands. Under the same working intensity, the higher the working frequency of home appliances, the more obvious the radiation effect on the human body.
Ultra-low frequency home appliances (rated 50 Hz)
Electric shavers, vacuum cleaners, washing machines, electric irons, coffee machines, humidifiers, hair dryers, air conditioners, rice cookers, induction cookers, blenders, electric blankets, fluorescent lamps, refrigerators, etc.
Safety Tip: The shorter the usage time, the better.
Under normal circumstances, these appliances will not pose too much threat to the human body, but some of them may cause a series of health problems if you do not pay attention to the frequency of control, the time and method of each use.
Electric razors, hair dryers, these small appliances that are in close contact with the human body and will be used frequently, the shorter the use time, the better, open and close the power as far as possible from the body, preferably the hair dryer and the head Keep it vertical. Otherwise, after a long time, it is easy to feel dizzy.
Vacuum cleaners and humidifiers should be kept away from the body during use. Experiments have shown that the distance between the vacuum cleaner and the vacuum cleaner is more than 70 cm, and the humidifier is more than 1 meter.
Electric blankets can be used for a long time, which can cause symptoms such as fatigue and weakness in the body, and sore limbs. Pregnant women and children are especially unsuitable. In use, it is best to disconnect the power and then go to sleep after warming up; it is best to heat the temperature once in place, and continue heating after a while, do not heat while heating.
IF appliances (below 3 MHz): TV, computer
TVs have power frequencies ranging from a few hundred to a few kilohertz, while computers are relatively high, especially desktop computers. (1 MHz = 1 million Hz)
Safety Tip: The farther away you are, the better.
The back and side of the desktop computer have a large radiation, so it is best not to open the case. The laptop is concentrated on the top of the keyboard, preferably using an external keyboard.
LCD TVs and plasma TVs, although much smaller than traditional old-fashioned TVs, still have some hidden dangers. It is recommended to watch TVs at least one meter away from the TV.
Safety distance: "In fact, as long as the distance between these appliances is at least half a meter, the radiation intensity is within a certain standard range, there will be no big problem." Zhao Yufeng said.
Microwave band (30-30000 MHz): mobile phone, microwave oven
The frequency of use of the mobile phone is very high, and its radiation intensity is also very large, and the working frequency is 1800-2000 MHz. The power frequency of the microwave oven is between 915 and 2450 MHz, and the radiation is large.
When the mobile phone is in use, it should be as long as possible to talk shortly. After the call is answered, it is recommended to use headphones.
Microwave radiation from microwave ovens can disrupt the central nervous system, causing headaches, dizziness, memory loss, and insomnia. Therefore, when using it, the human body must be half a meter away from it, and the eyes should not be looked directly at the same time. At the same time, it is necessary to pay attention to cleaning the inside of the furnace.
For the white-collar workers who are facing the computer all day, what simple and easy way to prevent radiation? - Try putting a bottle of water on the computer.
Recommendation: To deal with computer radiation, you can put bottle of water on the side of the computer, because water is the best medium to absorb electromagnetic waves;
Be wary: the metal eyeglass frame will obviously lead to an increase in the electromagnetic field, which will increase the user's absorption rate of radiation. If you wear a metal framed glasses for a long time to make a mobile phone, the electromagnetic field radiation may be transmitted to the brain and around the eyes through the metal frame, causing damage.
Reduce radiation tips
Do not stack the household appliances, and do not use them at the same time;
For unused appliances, be sure to turn off the power supply, because the energized electrical appliances can still generate a large amount of electromagnetic radiation;
After looking at the computer and TV for a long time, you should wash your face and wash your hands in time.
Eat more foods rich in vitamins A, C and protein, such as carrots, cabbage, tofu, milk, eggs, etc., especially kelp, can strengthen the ability to resist electromagnetic radiation.
Drink more tea, tea polyphenols and other substances in the tea is good for radiation protection.
Suzhou home network editor, the article comes from the Internet.
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