- effective number
- Метрология: эффективное число
Универсальный англо-русский словарь. Академик.ру. 2011.
effective number
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Effective number of codons — (abbreviated as ENC or Nc ) is a measure to study the state of Codon usage biases in genes and genomes [cite journal |author=Wright F. |title=The effective number of codons used in a gene. |journal=Gene |volume=87 |issue=1 |pages=23–29 |year=1990 … Wikipedia
Effective number of parties — The idea behind the effective number of electoral parties is to provide for an adjusted number of parties in an electoral system. We may do this to account only for the number of effective parties, in other words parties that can actually make a… … Wikipedia
effective number of parties — efektyviųjų partijų skaičius statusas T sritis Politika apibrėžtis Rodiklis, apibūdinantis reikšmingų partijų skaičių partinėje sistemoje. Pagal jį galima nustatyti įtakingų partijų skaičių, pvz., dvipartinėje D. Britanijos ar pustrečios partijos … Politikos mokslų enciklopedinis žodynas
Effective population size — In population genetics, the concept of effective population size N e was introduced by the American geneticist Sewall Wright, who wrote two landmark papers on it (Wright 1931, 1938). He defined it as the number of breeding individuals in an… … Wikipedia
Effective atomic number — has two different meanings: one that is the effective nuclear charge of an atom, and one that calculates the average atomic number for a compound or mixture of materials. Both are abbreviated Zeff.For an atomThe effective atomic number Zeff,… … Wikipedia
Effective nuclear charge — Diagram The effective nuclear charge is the net positive charge experienced by an electron in a multi electron atom. The term effective is used because the shielding effect of negatively charged electrons prevents higher orbital electrons from… … Wikipedia
Effective medium approximations — or effective medium theory (sometimes abbreviated as EMA or EMT) are physical models that describe the macroscopic properties of a medium based on the properties and the relative fractions of its components. They can be discrete models such as… … Wikipedia
Effective Cycling — is a trademarked cycling educational program designed by John Forester, which was the national education program of the League of American Wheelmen for a number of years. The Effective Cycling program consists of text books and training courses… … Wikipedia
Effective Medium Approximations — are analytical models that describe the macroscopic properties of a medium based on the properties and the relative fractions of its components. They are continuous theories and do not relate directly to percolating systems. Indeed, among the… … Wikipedia
effective date — The date at which a contract or statutory obligation commences. The effective date may be different than the date a contract is signed or a statute is enacted. For example, the effective date for the Copyright Act of 1976 is January 1, 1978.… … Law dictionary
Number 1 (Goldfrapp song) — Number 1 Single by Goldfrapp from the album Supernature B side … Wikipedia
