Penetration depth — is a measure of how deep light or any electromagnetic radiation can penetrate into a material. It is defined as the depth at which the intensity of the radiation inside the material falls to 1/e (about 37%) of its original value at (or more… … Wikipedia
Electric vehicle — Sustainable energy Renewable energy … Wikipedia
Northern Electric — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal … Wikipédia en Français
The Northern Electric and Manufacturing Company — Nortel Logo de Nortel Networks Corporation Création 1895 à Montréal … Wikipédia en Français
Cone penetration test — A CPT truck operated by the USGS. The cone penetration test (CPT) is an in situ testing method used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially developed in the 1950s at the… … Wikipedia
EPF — abbr. Electric Penetration Feedthrough … Dictionary of abbreviations
Intermittent energy source — An intermittent energy source is any source of energy that is not continuously available due to some factor outside direct control. The intermittent source may be quite predictable, for example, tidal power, but cannot be dispatched to meet the… … Wikipedia
Intermittent power source — [ Erie Shores Wind Farm monthly output over a two year period] An intermittent power source is a source of electric power generation that may be uncontrollably variable or more intermittent than conventional power sources, and therefore non… … Wikipedia
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Wind power — Wind power: worldwide installed capacity [1] … Wikipedia
Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG … Wikipedia