- well characteristic
- характеристика скважины
Большой англо-русский и русско-английский словарь. 2001.
well characteristic
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Characteristic function (probability theory) — The characteristic function of a uniform U(–1,1) random variable. This function is real valued because it corresponds to a random variable that is symmetric around the origin; however in general case characteristic functions may be complex valued … Wikipedia
Characteristic polynomial — This article is about the characteristic polynomial of a matrix. For the characteristic polynomial of a matroid, see Matroid. For that of a graded poset, see Graded poset. In linear algebra, one associates a polynomial to every square matrix: its … Wikipedia
Characteristic set — The mathematical concept of a characteristic set was discovered in the late forties by J.F. Ritt. Besides Gröbner basis method, it provides an alternative algorithmic way for solving multivariate polynomial equations or differential equations.In… … Wikipedia
Characteristic equation (calculus) — In mathematics, the characteristic equation (or auxiliary equation[1]) is an algebraic equation of degree on which depends the solutions of a given th order differential equation.[2] The characteristic equation can only be formed when the… … Wikipedia
Wu's method of characteristic set — Wenjun Wu s method is an algorithm for solving multivariate polynomial equations introduced in the late 1970s by the Chinese mathematician Wen Tsun Wu. This method is based on the mathematical concept of characteristic set introduced in the late… … Wikipedia
Euler characteristic — In mathematics, and more specifically in algebraic topology and polyhedral combinatorics, the Euler characteristic is a topological invariant, a number that describes one aspect of a topological space s shape or structure. It is commonly denoted… … Wikipedia
The Well of Loneliness — infobox Book | name = The Well of Loneliness title orig = translator = image caption = Cover of the first edition author = Radclyffe Hall cover artist = country = United Kingdom language = English publisher = Jonathan Cape genre = Novel release… … Wikipedia
Blowout (well drilling) — A blowout is the uncontrolled release of crude oil and/or natural gas from an oil well or gas well after pressure control systems have failed.[1] Prior to the advent of pressure control equipment in the 1920s, the uncontrolled release of oil and… … Wikipedia
Hail fellow well met — is a somewhat archaic English idiom used either as an exagerrated greeting or referring to a person who is sociable and constantly making an effort at winning friends. The Oxford English Dictionary (OED) gives a 1589 quotation for this phrase as… … Wikipedia
Secondary sex characteristic — Secondary sex characteristics are traits that distinguish the two sexes of a species, but that are not directly part of the reproductive system. They are believed to be the product of sexual selection for traits which give an individual an… … Wikipedia
Crom|well|i|an — «krom WEHL ee uhn», adjective, noun. –adj. having to do with or characteristic of the English general and Puritan leader Oliver Cromwell, or his age; stern; puritanical: »Cromwellian austerity. –n. 1. an adherent of Oliver Cromwell. 2. a soldier… … Useful english dictionary
