1. Sterilization. Short-wave ultraviolet rays can break the chain between the cell’s nuclear protein and DNA, killing bacteria. 2. Health care, moon-wave ultraviolet rays with a wavelength of 280-320 nanometers can produce a lot of…
1. Sterilization. Short-wave ultraviolet rays can break the chain between the cell’s nuclear protein and DNA, killing bacteria. 2. Health care, moon-wave ultraviolet rays with a wavelength of 280-320 nanometers can produce a lot of…