alternating light
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alternating light photometer — kintamosios šviesos fotometras statusas T sritis fizika atitikmenys: angl. alternating light photometer vok. Wechsellichtphotometer, n rus. фотометр с подачей прерывистого светового луча, m pranc. photomètre à lumière clignotante, m … Fizikos terminų žodynas
alternating light — Navig. a beacon showing different colors in succession … Useful english dictionary
Light characteristic — Symbols and abbreviations for light characteristics A light characteristic is a graphic and text description of a navigational light sequence or colour displayed on a nautical chart or in a Light List with the chart symbol for a lighthouse,… … Wikipedia
Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge … Wikipedia
Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr … Wikipedia
Light-harvesting complex — A light harvesting complex is one or more polypeptide chains containing photosynthetic pigments, which surrounds a photosynthetic reaction centre and focuses energy, attained from photons absorbed by the pigment, inward toward the reaction centre … Wikipedia
Light switch — A light switch is a switch, most commonly used to operate electric lights, permanently connected equipment, or electrical outlets.In modern homes most lights are operated using switches set in walls, usually 6 10 inches (15 25 cm) away from a… … Wikipedia
Deer Island Light — The original 1890 light, replaced in 1982. Location Boston Harbor Coordinates … Wikipedia
Wood Island Light — Infobox lighthouse caption = Wood Island Light on a cloudy July afternoon. location = Biddeford, Maine coordinates = coord|43|27|24|N|70|19|42|W|region:US type:landmark yearbuilt = 1808 yearlit = 1858 (current tower) automated = 1986… … Wikipedia
Oswego Harbor West Pierhead Light — Oswego Harbor West Pierhead Lighthouse Location Oswego, New York Coordinates … Wikipedia