ultraviolet rays — ultraviolet rays, the invisible rays in the part of the spectrum beyond the violet. They are present in sunlight and light from sun lamps, and are used for healing, forming vitamins, and as sterilizers and disinfectants. Ultraviolet rays are more … Useful english dictionary
ultraviolet rays — invisible short wavelength radiation beyond the violet end of the visible spectrum. Sunlight contains ultraviolet rays, which are responsible for the production of both suntan and – on overexposure – sunburn. The dust and gases of the earth s… … The new mediacal dictionary
ultraviolet rays — Energy waves that emanate from the electrodes and the welding flames of such a frequency that these rays are in the ultraviolet ray light spectrum … Dictionary of automotive terms
ultraviolet rays — medicinal rays having shorter waves than the visible sun s rays … English contemporary dictionary
ultraviolet rays — Kuawehi … English-Hawaiian dictionary
deep-ultraviolet rays — tolimojo ultravioleto spinduliuotė statusas T sritis fizika atitikmenys: angl. deep ultraviolet rays; extreme ultraviolet radiation; far ultraviolet radiation vok. extrem kurzwellige Ultraviolettstrahlung, f; ferne Ultraviolettstrahlung, f;… … Fizikos terminų žodynas
Ultraviolet-sensitive bead — Ultraviolet sensitive beads were developed to react to ultraviolet rays, from the Sun or artificial sources. These beads are white or transparent when they re not exposed to UV rays. They do not react with visible light. When exposed to UV rays,… … Wikipedia
Ultraviolet blood irradiation — (UBI), also known as biophotonic therapy, refers to the treatment of the blood with various wavelengths of ultraviolet light. It was pioneered in the 1920s by a Seattle scientist, Emmet Knott, who used it with apparent success to treat a patient… … Wikipedia
ultraviolet radiation — Portion of the electromagnetic spectrum extending from the violet end of visible light to the X ray region. Ultraviolet (UV) radiation lies between wavelengths of about 400 nanometres and 10 nanometres, corresponding to frequencies of… … Universalium
ultraviolet lointain — tolimojo ultravioleto spinduliuotė statusas T sritis fizika atitikmenys: angl. deep ultraviolet rays; extreme ultraviolet radiation; far ultraviolet radiation vok. extrem kurzwellige Ultraviolettstrahlung, f; ferne Ultraviolettstrahlung, f;… … Fizikos terminų žodynas
