hydrargyrum

  • 51Hg — Symbol for the metallic element mercury. The abbreviation mm Hg means millimeters of mercury, the height of a column of mercury, as in a blood pressure reading. Mercury is poisonous to people. See Mercury poisoning. * * * Symbol for mercury… …

    Medical dictionary

  • 52Hg — Quecksilber; Hydrargyrum; Merkur * * * hg 〈Zeichen für〉 Hektogramm * * * Hg [Abk. für ↑ Hydrargyrum] Symbol für das Element ↑ Quecksilber. * * …

    Universal-Lexikon

  • 53Ртуть — (лат. Hydrargyrum)         Hg, химический элемент II группы периодической системы Менделеева, атомный номер 80, атомная масса 200,59; серебристо белый тяжёлый металл, жидкий при комнатной температуре. В природе Р. представлена семью стабильными… …

    Большая советская энциклопедия

  • 54Light-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

  • 55Candle — For other uses, see Candle (disambiguation). A close up image of a burning candle showing the wick and the various parts of the flame …

    Wikipedia

  • 56Electroluminescence — Animation of LCD, both unlit and with electroluminescent backlight switched on …

    Wikipedia

  • 57Cold cathode — This article is about light sources and indicators. For cold cathode ion sources, see Ion source. CCFL redirects here. For other uses, see CCFL (disambiguation). Cold cathode fluorescent lamp A cold cathode is a cathode used within nixie tubes,… …

    Wikipedia

  • 58Lighting — 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

  • 59Oil lamp — Neolithic stone lamps in Thousand Lamp Museum in Qiandeng town of Kunshan …

    Wikipedia

  • 60Chemiluminescence — A chemoluminescent reaction carried out in an erlenmeyer flask producing a large amount of light. Chemiluminescence (sometimes chemoluminescence ) is the emission of light with limited emission of heat (luminescence), as the result of a chemical… …

    Wikipedia