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        點擊次數:  更新時間:2020-04-17 09:22:58
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        Use UV disinfection lamp, use it without paying attention to details
        author:tom2020 Release time:2020-04-17 09:22:58 Read:17

        Now is the time for the whole nation to fight against the new coronavirus pneumonia epidemic. In addition to purchasing protective masks, the citizens have also started to work on ultraviolet disinfection lamps.

        It is understood that ultraviolet light needs to meet certain requirements to effectively kill coronavirus. It is necessary to pay attention to the wavelength, irradiation dose and time of the ultraviolet light source, that is, it must be deep ultraviolet light in the UVC band below 280nm. The principle of ultraviolet disinfection and sterilization is to use high-energy ultraviolet to destroy the DNA \ RNA structure, so that it loses the reproduction and replication functions, so as to achieve the inactivation of bacteria and viruses.

        Since high-intensity ultraviolet rays have a destructive effect on organisms, it will also have an impact on our bodies. After bare skin is irradiated by this kind of ultraviolet light, the mild ones will appear redness, pain, itching, desquamation, and the severe ones will cause sunburn or solar keratosis, and even cause skin tumors and canceration. Ultraviolet disinfection lamp is also an invisible killer of the eyes, which can cause inflammation of the conjunctiva and cornea and cause cataracts.

        Therefore, you must master these skills when using ultraviolet germicidal lamps at home:

        1) Must follow the principle of "people walk away from lights, people enter and turn off lights", and leave the room quickly after turning on the lights.

        2) The irradiation time is generally 30 to 60 minutes, in order to effectively kill viruses and bacteria.

        3) Close the doors and windows as much as possible during use, close the curtains and turn off the lights, which is more conducive to the sterilization effect of ultraviolet rays.

        4) After the disinfection is completed, at least 30 minutes of ventilation is required.

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