Shell and Core

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• Core charge — is the effective nuclear charge experienced by an outer shell electron. In other words core charge is an expression of the attractive force experienced by the valence electrons to the core of an atom which takes into account the shielding effect… …   Wikipedia

• shell — less, adj. shell like, adj. /shel/, n. 1. a hard outer covering of an animal, as the hard case of a mollusk, or either half of the case of a bivalve mollusk. 2. any of various objects resembling such a covering, as in shape or in being more or… …   Universalium

• Shell (projectile) — This article is about the artillery projectile. For the small arms ammunition, see Shotgun shell. Some sectioned shells from the First World War. From left to right: 90 mm fragmentation shell, 120 mm pig iron incendiary shell, 77/14 model 75 mm… …   Wikipedia

• Core sample — Rock core samples. The product of a Diamond rig. (The bird is a Pied Butcherbird.) A core sample is a cylindrical section of (usually) a naturally occurring substance. Most core samples are obtained by drilling with special drills into the… …   Wikipedia

• Core electron — Core electrons are the electrons in an atom that are not valence electrons and therefore do not participate in bonding. An example: the carbon atom has a total of 6 electrons, 4 of them being valence electrons. So the remaining 2 electrons must… …   Wikipedia

• Core (manufacturing) — A core is a device used in casting and molding processes to produce internal cavities and reentrant angles. The core is normally a disposable item that is destroyed to get it out of the piece.[1] They are most commonly used in sand casting, but… …   Wikipedia

• Shell script — This article is about scripting in UNIX like systems. For batch programming in DOS, OS/2 and Windows, see Batch file. For batch programming in Windows PowerShell shell, see Windows PowerShell#Scripting. A shell script is a script written for the… …   Wikipedia

• Shell Turbo Chargers — Infobox PBA team color1=yellow color2=green name=Shell Turbo Chargers founded=1985| history=Shell Azodrin Bugbusters (1985 1986) Shell Azocord (1986) Shell Oilers(1987) Shell Rimula X(1990 1993; 1994 1995) Shell Helix (1993) Formula Shell Super… …   Wikipedia

• Shell Shocked Sheldon — Infobox Television episode Title = Shell Shocked Sheldon Series = Garfield and Friends Caption = Season = 1 Episode = 11 Airdate = October 8, 1988 Production = US003 B Writer = Mark Evanier Sharman DiVono Director = John Walker Steve Clark John… …   Wikipedia

• Core wheel — Wheel Wheel (hw[=e]l), n. [OE. wheel, hweol, AS. hwe[ o]l, hweogul, hweowol; akin to D. wiel, Icel. hv[=e]l, Gr. ky klos, Skr. cakra; cf. Icel. hj[=o]l, Dan. hiul, Sw. hjul. [root]218. Cf. {Cycle}, {Cyclopedia}.] [1913 Webster] 1. A circular… …   The Collaborative International Dictionary of English

• core —   n.    a complete unit, often with a figure eight shape, which usually consists of the plug, shell, tumblers, springs, plug retainer and spring cover(s). It is primarily used in removable and interchangeable core cylinders and locks …   Locksmith dictionary