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61Construction surveying — (otherwise known as lay out or setting out ) is to stake out reference points and markers that will guide the construction of new structures such as roads or buildings. These markers are usually staked out according to a suitable coordinate… …
62Depolarizing pre-pulse — A depolarizing pre pulse (DPP) is an electrical stimulus that causes the potential difference measured across a neuronal membrane to become more positive or less negative, and precedes another electrical stimulus.[1] DPPs may be of either the… …
63Hegelians (The Young), Feuerbach, and Marx — The Young Hegelians, Feuerbach, and Marx Robert Nola Largely through lectures delivered at the University of Berlin, Hegel built up a circle of followers, mainly contemporaries or pupils, who were intent on working out aspects of the… …
64Flip-flop (electronics) — An SR latch, constructed from a pair of cross coupled NOR gates. Red and black mean logical 1 and 0 , respectively. In electronics, a flip flop or latch is a circuit that has two stable states and can be used to store state information. The… …
65Oxyd — Publisher(s) Dongleware Verlags Platform(s) Amiga, Atari ST, DOS, Macintosh, NeXT Computers Release date(s) …
66General Instrument AY-3-8910 — pin, and a double resolution but double rate volume envelope table) as the YM2149.It produced very similar results to the Texas Instruments SN76489 and was on the market for a similar period.The chips are no longer made, but a declining stock is… …
67Penguin Land — Infobox VG title = Penguin Land developer = Sega publisher = Pony Canyon, Inc. cite web | url = http://www.mobygames.com/game/penguin land | title = Game data | publisher = MobyGames | date = | accessdate = 2008 02 17] designer = engine =… …
68metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …
69Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
70Chasys Draw IES — Developer(s) John Paul Chacha s Lab [1] Stable release 3.66.02 / 5 September 2011; 51 days ago (2011 09 05) Operating system …
