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About the UV machine |
Update Time : 2017-06-08 View : 5678 |
UV is English Ultraviolet Rays, the Ultraviolet light. Ultraviolet (UV) is invisible to the naked eye, is beyond the visible light purple section of electromagnetic radiation, the wavelength in the range of 10 to 400 nm. Usually according to the properties of the thin as a few pieces: A Vacuum ultraviolet (Vacuum UV), wavelength for 10-200 nm Shortwave ultraviolet b (UV -c), wavelength is 200-290 nm C uvb rays (UV - B), wavelength is 290-320 nm D long wave ultraviolet light (UV - A), wavelength is 320-400 nm E Visible (Visible light), wavelength for 400-760 nm Ultraviolet (UV) used in industrial production, the international general use is long wave UV (uv-a). Note: nm nano What is "nano"? "Nano" is an English namometer (abbreviation: nm) translation, is a unit of measure, one nanometer is one hundred millionth of a millimeter, is also the billionths of a metre, or the equivalent of about 45 ? atomic string |