bottom current

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• Bottom-up parsing — (also known as shift reduce parsing) is a strategy for analyzing unknown data relationships that attempts to identify the most fundamental units first, and then to infer higher order structures from them. It attempts to build trees upward toward… …   Wikipedia

• Bottom water — is the lowermost water mass in a water body, by its bottom, with distinct characteristics, in terms of physics, chemistry, and ecology.OceanologyIn oceanology, bottom water is by the ocean floor. It has characteristics are markedly distinct from… …   Wikipedia

• Current quark — Current quarks (also called naked quarks or bare quarks) are defined as the constituent quark cores (constituent quarks with no covering) of a valence quark.[1] If, in one constituent quark, the current quark is hit inside the covering with large …   Wikipedia

• Bottom trawling — The Celtic Explorer, a research vessel engaged in bottom trawling …   Wikipedia

• Bottom bracket — A square taper cartridge bottom bracket. The bottom bracket on a bicycle connects the crankset to the bicycle and allows the crankset to rotate freely. It contains a spindle that the crankset attaches to, and the bearings that allow the spindle… …   Wikipedia

• Bottom of the pyramid — In economics, the bottom of the pyramid is the largest, but poorest socio economic group. In global terms, this is the four billion people who live on less than $2 per day, typically in developing countries. The phrase “bottom of the pyramid” is… …   Wikipedia

• bottom — 1 noun 1 LOWEST PART the lowest part of something: the bottom: From the bottom the skyscraper looked as if it touched the clouds. (+ of): Hold the bottom of the pole and keep it upright. | at the bottom: Go downstairs and wait for me at the… …   Longman dictionary of contemporary English

• Current density — This page is about the electric current density in electromagnetism. For the probability current density in quantum mechanics, see Probability current. Current density is a measure of the density of flow of a conserved charge. Usually the charge… …   Wikipedia

• Current clamp — For current clamp recording in neurons, see Electrophysiology#Current clamp. In electrical and electronic engineering, a current clamp or current probe is an electrical device having two jaws which open to allow clamping around an electrical… …   Wikipedia

• Current sea level rise — This article is about the current and future rise in sea level associated with global warming. For sea level changes in Earth s history, see Sea level#Changes through geologic time. Sea level measurements from 23 long tide gauge records in… …   Wikipedia

• ocean current — Horizontal and vertical circulation system of ocean waters, produced by gravity, wind friction, and water density variation. Coriolis forces cause ocean currents to move clockwise in the Northern Hemisphere and counterclockwise in the Southern… …   Universalium