ГОСТ Р 52350.11-2005: Электрооборудование для взрывоопасных газовых сред. Часть 11. Искробезопасная электрическая цепь "I" — Терминология ГОСТ Р 52350.11 2005: Электрооборудование для взрывоопасных газовых сред. Часть 11. Искробезопасная электрическая цепь "I" оригинал документа: 3.22 безопасное сверхнизкое напряжение (safety extra low voltage SELV): Система… … Словарь-справочник терминов нормативно-технической документации
периодическое максимальное напряжение — 3.21 периодическое максимальное напряжение (recurring peak voltage): Значение максимального напряжения при периодических изменениях формы кривой напряжения, являющихся результатом искажений напряжения переменного тока или переключения элементов с … Словарь-справочник терминов нормативно-технической документации
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
Nikola Tesla — Tesla, aged 37, 1893, photo by Sar … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
Mechanical filter — Figure 1. A mechanical filter made by the Kokusai Electric Company intended for selecting the narrow 2 kHz bandwidth signals in SSB radio receivers. It operates at 455 kHz, a common IF for these receivers, and is dimensioned 45×15×15 mm ( … Wikipedia
hydroelectric power — Electricity produced from generators driven by water turbines that convert the energy in falling or fast flowing water to mechanical energy. Water at a higher elevation flows downward through large pipes or tunnels (penstocks). The falling water… … Universalium
syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… … Medical dictionary
performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains … Universalium
Janet Jackson — Infobox Musical artist Name = Janet Jackson Img capt = Jackson during a 2006 press conference Img size = Background = solo singer Birth name = Janet Damita Jo Jackson Born = birth date and age|1966|5|16 Gary, Indiana, United States Occupation =… … Wikipedia
