natural block
21Natural gas in Romania — Natural gas production in Romania between 1970 2007 Romania has proven natural gas reserves of 630 billion cubic metres (22.94 trillion cubic feet) and is ranked 30th among countries with proved reserves of natural gas.[ …
22Block code — In computer science, a block code is a type of channel coding. It adds redundancy to a message so that, at the receiver, one can decode with minimal (theoretically zero) errors, provided that the information rate (amount of transported… …
23Block (group theory) — In mathematics and group theory, a block system for the action of a group G on a set X is a partition of X that is G invariant. In terms of the associated equivalence relation on X , G invariance means that : x ≡ y implies gx ≡ gy for all g in G… …
24Natural computing — For the scientific journal, see Natural Computing (journal). Natural computing, also called Natural computation, is a terminology introduced to encompass three classes of methods: 1) those that take inspiration from nature for the development of… …
25Natural History Museum of Utah — Coordinates: 40°45′51″N 111°51′04″W / 40.7642°N 111.8511°W / 40.7642; 111.8511 …
26Natural Arch, Tirumala hills — Coordinates: 13°41′N 79°25′E / 13.69°N 79.42°E / 13.69; 79.42 …
27Block Wiedemann algorithm — The Block Wiedemann algorithm for computing kernel vectors of a matrix over a finite field is a generalisation of an algorithm due to Don Coppersmith. Coppersmith s algorithm Let M be an n imes n square matrix over some finite field F, let x… …
28Block (extraction of petroleum) — A block in the context of extraction of petroleum, (and natural gas) signifies a sub division of an underground reservoir for the purpose of administering a certain production allowable. [ [http://www.eub.gov.ab.ca/bbs/requirements/actsregs/ogc… …
29Natural Area Code — The Natural Area Code (or Universal Address) is a proprietary geocode system for identifying an area anywhere on the Earth, or a volume of space anywhere around the Earth. The use of thirty alphanumeric characters instead of only ten digits makes …
30natural world — Synonyms and related words: air, atom, atomic particles, brute matter, building block, chemical element, component, constituent, earth, element, elementary particle, elementary unit, fire, fundamental particle, hyle, hypostasis, material,… …
