well-defined
31Defined — Define De*fine , v. t. [imp. & p. p. {Defined}; p. pr. & vb. n. {Defining}.] [OE. definer, usually, to end, to finish, F. d[ e]finir to define, L. definire to limit, define; de + finire to limit, end, finis boundary, limit, end. See {Final},… …
32Well logging — Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · …
33Well integrity — is defined by [http://www.standard.no/imaker.exe?id=5738 NORSOK D 010] as “Application of technical, operational and organizational solutions to reduce risk of uncontrolled release of formation fluids throughout the life cycle of a well”. There… …
34Well-known text — (WKT) is a text markup language for representing vector geometry objects on a map, spatial reference systems of spatial objects and transformations between spatial reference systems. A binary equivalent, known as well known binary (WKB) is used… …
35Well-founded relation — In mathematics, a binary relation, R, is well founded (or wellfounded) on a class X if and only if every non empty subset of X has a minimal element with respect to R; that is, for every non empty subset S of X, there is an element m of S such… …
36Defined benefit pension plan — For the defined contribution pension plan, see Defined Contribution Pension Plan. In economics, a defined benefit pension plan is a major type of pension plan in which an employer promises a specified monthly benefit on retirement that is… …
37Well-formed XML document — A well formed XML document is defined as an XML document that has correct XML syntax. According to W3C, this means: * XML documents must have a root element * XML elements must have a closing tag * XML tags are case sensitive * XML elements must… …
38Well-quasi-ordering — In mathematics, specifically order theory, a well quasi ordering or wqo is a well founded quasi ordering with an additional restriction on sequences that there is no infinite sequence x i with x i ot le x j for all i < j . Motivation We can use… …
39Well drilling — Tricone rock bit Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, natural gas, or petroleum. Drilling for the exploration of the nature of the material underground (for… …
40Well-ordering principle — In mathematics, the well ordering principle states that every non empty set of positive integers contains a smallest element. [cite book |title=Introduction to Analytic Number Theory |last=Apostol |first=Tom |authorlink=Tom M. Apostol |year=1976… …
