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Ultraviolet ray sterilizing lamp - In the legendary master of sterilization

by:LiangYueLiang     2020-04-07
Currently on the market there are a lot of ultraviolet ray sterilizing lamp, everybody know about ultraviolet ray sterilizing lamp may not be a special, now not introduce, it is actually belongs to a kind of low pressure mercury lamp. Low pressure mercury lamp is to use low mercury vapor pressure ( < 10 - 2Pa) Be intensified and emit ultraviolet. Its hair spectral line mainly has two: one is 253. 7 nm wavelength; Another is 185 nm wavelength, and the two are invisible to the naked eye of ultraviolet light. Working principle of the ultraviolet ray sterilizing lamp ultraviolet ray sterilizing lamp and fluorescent lamp luminous principle, tube of mercury atoms are provoked attacks within characteristic spectral lines, low pressure mercury vapor first onset of 254 nm and 185 nm uv, sterilization lamp bulb use through the purple glass or quartz glass, ultraviolet transmission out through the tubes. 254 nm wavelength ultraviolet ray is easy to be absorbed by the object, the effect on the organism's genetic material DNA, the DNA damage caused by the death of bacteria. 185 nm wavelength ultraviolet (uv) and can attack air effect has strong oxidation effect of ozone, can usefully be kill bacteria, and the ultraviolet ray can meet high strength, in a short period of time to kill bacteria and viruses. Common use ultraviolet disinfection sterilization USES is very wide, hospitals, schools, nurseries, cinemas, buses, office, family, etc. , it can purify air, eliminate mildew flavour, but also can produce a certain amount of negative oxygen ions. The ultraviolet disinfection room, particularly pure and fresh air. In public, the ultraviolet disinfection, can avoid some germs spread by air or by surface. But contact excessive ultraviolet ray can produce harm to the body, especially the damage to the eyes. Ultraviolet radiation, the skin can cause vasodilation, occurrence erythema, excessive exposure can produce diffuse erythema, and can form small blisters and edema, long-term exposure can make the skin is dry, loss of flexibility and aging. By ultraviolet light skin damage, can lead to abnormal blood, even have cancer may, after a long time by the ultraviolet radiation, it may lead to skin cancer in the future. Release date: 2019 07 - 17
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