Rubidium standard — A rubidium standard is a frequency standard in which a specified hyperfine transition of electrons in rubidium 87 atoms is used to control the output frequency. A rubidium standard consists of a gas cell, which has an inherent long term… … Wikipedia
Hydrargyrum medium-arc iodide lamp — Hydrargyrum medium arc iodide, or HMI, is a mercury halide gas discharge medium arc length lamp with a multi line spectra emission. The name implies that hydrargyrum, an archaic term for Mercury (Hg), is held as a vapour mixed with other rare… … Wikipedia
Xenon arc lamp — A xenon arc lamp is an artificial light source. Powered by electricity, it uses ionized xenon gas to produce a bright white light that closely mimics natural daylight.Xenon arc lamps can be roughly divided into three categories: * Continuous… … Wikipedia
Serangoon Secondary School — Coordinates: 1°22′30.8″N 103°54′6.8″E / 1.375222°N 103.901889°E / 1.375222; 103.901889 … Wikipedia
Sekundärnormallampe — antrinė etaloninė lempa statusas T sritis fizika atitikmenys: angl. secondary standard lamp vok. Sekundärnormallampe, f rus. лампа сравнения, f pranc. lampe tare, f … Fizikos terminų žodynas
antrinė etaloninė lempa — statusas T sritis fizika atitikmenys: angl. secondary standard lamp vok. Sekundärnormallampe, f rus. лампа сравнения, f pranc. lampe tare, f … Fizikos terminų žodynas
lampe tare — antrinė etaloninė lempa statusas T sritis fizika atitikmenys: angl. secondary standard lamp vok. Sekundärnormallampe, f rus. лампа сравнения, f pranc. lampe tare, f … Fizikos terminų žodynas
лампа сравнения — antrinė etaloninė lempa statusas T sritis fizika atitikmenys: angl. secondary standard lamp vok. Sekundärnormallampe, f rus. лампа сравнения, f pranc. lampe tare, f … Fizikos terminų žodynas
Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible … Wikipedia
Schools — • History and development of education as related to the church Catholic Encyclopedia. Kevin Knight. 2006. Schools Schools † … Catholic encyclopedia