ring closure

ring closure
замыкание цикла

Англо-русский словарь по экологии. 2011.

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  • ring closure — noun : a chemical reaction in which an open chain of atoms is closed to form a ring : cyclization …   Useful english dictionary

  • Ring (mathematics) — This article is about algebraic structures. For geometric rings, see Annulus (mathematics). For the set theory concept, see Ring of sets. Polynomials, represented here by curves, form a ring under addition and multiplication. In mathematics, a… …   Wikipedia

  • Closure (container) — For other uses, see Closure (disambiguation). An aluminum bottle with a threaded aluminum screw closure Closures are devices and techniques used to close or seal a bottle, jug, jar, tube, can, etc. Closures can be a cap, cover, lid, plug, etc.… …   Wikipedia

  • Kuala Lumpur Middle Ring Road 2 — Federal Route 28 Kuala Lumpur Middle Ring Road 2 Route information Length: 35.0 km (21.7 mi) Existed …   Wikipedia

  • Tight closure — In mathematics, in the area of commutative algebra, tight closure is an operation defined on ideals in positive characteristic. It was introduced by Mel Hochster and Craig Huneke in the 1980s. Let R be a commutative noetherian ring containing a… …   Wikipedia

  • Ball Closure Ring — Spreizzange zum Öffnen des Rings …   Deutsch Wikipedia

  • Chow ring — In algebraic geometry, the Chow ring (named after W. L. Chow) of an algebraic variety is an algebraic geometric analogue of the cohomology ring of the variety considered as a topological space: its elements are formed out of actual subvarieties… …   Wikipedia

  • Valuation ring — In abstract algebra, a valuation ring is an integral domain D such that for every element x of its field of fractions F , at least one of x or x 1 belongs to D .Given a field F , if D is a subring of F such that either x or x 1 belongs to D for… …   Wikipedia

  • Nagata ring — In commutative algebra, an integral domain A is called an N 1 ring if its integral closure in its quotient field is a finitely generated A module. It is called a Japanese ring (or an N 2 ring) if for every finite extension L of its quotient field …   Wikipedia

  • Yorkshire Ring — The Yorkshire Ring is a canal ring in South and West Yorkshire, England. It was completed in 1905 with the construction of the New Junction Canal. It lasted for under thirty years before the closure of part of the Dearne and Dove Canal and… …   Wikipedia

  • Alternative wine closure — Synthetic wine closure Synthetic wine closures …   Wikipedia


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