work extraction cycle
81Jitter — For other meanings of this word, see Jitter (disambiguation). Jitter is the undesired deviation from true periodicity of an assumed periodic signal in electronics and telecommunications, often in relation to a reference clock source. Jitter may… …
82Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone …
83Peru — Peruvian /peuh rooh vee euhn/, adj., n. /peuh rooh /, n. 1. Spanish, Perú /pe rddooh /. a republic in W South America. 24,949,512; 496,222 sq. mi. (1,285,215 sq. km). Cap.: Lima. 2. a city in N central Indiana. 13,764. 3. a city in N Illinois. 10 …
84Hebrew calendar — The Hebrew calendar (הלוח העברי ha luach ha ivri), or Jewish calendar, is a lunisolar calendar used today predominantly for Jewish religious observances. It determines the dates for Jewish holidays and the appropriate public reading of Torah… …
85MHD generator — Energy portal The MHD (magnetohydrodynamic) generator or dynamo transforms thermal energy or kinetic energy directly into electricity. MHD generators are different from traditional electric generators in that they can operate at high tempera …
86Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances …
87Indoor Cannabis cultivation — This article is about methods of cultivating Cannabis plants indoors, growing them in a soil like medium, and adding fertilizer when the plants are given water. Cultivating plants indoors can also be done through the use of hydroponics; however,… …
88Iran — /i ran , i rahn , uy ran /, n. a republic in SW Asia. 67,540,002; ab. 635,000 sq. mi. (1,644,650 sq. km). Cap.: Teheran. Formerly (until 1935), Persia. * * * Iran Introduction Iran Background: Known as Persia until 1935, Iran became an Islamic… …
89United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
90Caffeine — This article is about the stimulant drug. For other uses, see Caffeine (disambiguation). Caffeine Systematic (IUPAC) name …
