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add addition; adductor, adduction; let there be added [Lat. addatur]
CHIPASAT Children's Paced Auditory Serial Addition Task
PASAT Paced Auditory Serial Addition Task
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125I In addition
PASAT Paced Auditory Serial Addition Task
PASAT Paced Auditory Serial Addition Test
PAL progressive addition lens
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  • addition reaction
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CancerWEB ¿µ¿µ ÀÇÇлçÀü À¯»ç °Ë»ö °á°ú : 12 ÆäÀÌÁö: 1
bayes theorem A theorem in probability theory named for thomas bayes (1702-1761). In epidemiology, it is used to obtain the probability of disease in a group of people with some characteristic on the basis of the overall rate of that disease and of the likelihoods of that characteristic in healthy and diseased individuals. The most familiar application is in clinical decision analysis where it is used for estimating the probability of a particular diagnosis given the appearance of some symptoms or test result.
(12 Dec 1998)
Bernoulli's theorem <physics> When friction is negligible, the velocity of flow of a gas or fluid through a tube is inversely related to its pressure against the side of the tube; i.e., velocity is greatest and pressure lowest at a point of constriction.
Synonym: Bernoulli's principle, Bernoulli's theorem.
(05 Mar 2000)
Gibbs' theorem Substances that lower the surface tension of the pure dispersion medium tend to collect in its surface, whereas substances that raise the surface tension tend to remain out of the surface film.
(05 Mar 2000)
central limit theorem The sum (or average) of n realizations of the same process, provided only that it has a finite variance, will approach the gaussian distribution as n becomes indefinitely large. This theory provides a broad warrant for the use of normal theory even for nongaussian data. In the form stated here, it constitutes the classical version; more general versions allow serious relaxation of the usual assumptions.
(05 Mar 2000)
theorem 1. That which is considered and established as a principle; hence, sometimes, a rule. "Not theories, but theorems, the intelligible products of contemplation, intellectual objects in the mind, and of and for the mind exclusively." (Coleridge) "By the theorems, Which your polite and terser gallants practice, I re-refine the court, and civilize Their barbarous natures." (Massinger)
2. <mathematics> A statement of a principle to be demonstrated.
A theorem is something to be proved, and is thus distinguished from a problem, which is something to be solved. In analysis, the term is sometimes applied to a rule, especially a rule or statement of relations expressed in a formula or by symbols; as, the binomial theorem; Taylor's theorem. See the Note under Proposition. Binomial theorem.
<mathematics> A theorem which extends to any quantity without restriction.
Origin: L. Theorema, Gr. A sight, speculation, theory, theorem, fr. To look at, a spectator: cf. F. Theoreme. See Theory.
Source: Websters Dictionary
(01 Mar 1998)
addition 1. The act of adding two or more things together; opposed to subtraction or diminution. "This endless addition or addibility of numbers."
2. Anything added; increase; augmentation; as, a piazza is an addition to a building.
3. <mathematics> That part of arithmetic which treats of adding numbers.
4. A dot at the right side of a note as an indication that its sound is to be lengthened one half.
5. A title annexed to a man's name, to identify him more precisely; as, John Doe, Esq.; Richard Roe, Gent.; Robert Dale, Mason; Thomas Way, of new York; a mark of distinction; a title.
6. Something added to a coat of arms, as a mark of honor; opposed to abatement.
<geometry> Vector addition, that kind of addition of two lines, or vectors, AB and BC, by which their sum is regarded as the line, or vector, AC.
Synonym: Increase, accession, augmentation, appendage, adjunct.
Origin: F. Addition, L. Additio, fr. Addere to add.
Source: Websters Dictionary
(01 Mar 1998)
addition compound Strictly, a complex of two or more complete molecules in which each preserves its fundamental structure and no covalent bonds are made or broken (e.g., hydrates of salts, adducts), loosely, association of acids with basic organic compound's (e.g., amines with HCl), more loosely, addition of two molecules without loss of any atom, but forming new covalent bonds (e.g., CH2==CH2 + Br2 &rarr; BrCH2-CH2Br).
(05 Mar 2000)
addition-deletion mutation <molecular biology> A type of mutation that results from insertion or deletion of a single nucleotide into, or from, an open reading frame in the normal DNA sequence.
Normally, the genetic code is read in the wrong frame, three nucleotides at a time, and the entire sequence downstream of the mutation, is translated into a polypeptide with a garbled amino acid sequence from the mutated codon onwards. These mutations may be induced by certain types of mutagens or may occur spontaneously and usually result in the generation, downstream, of nonsense, chain termination codons.
Synonym: addition mutation, addition-deletion mutation, deletion mutation, reading-frameshift mutation.
(21 Jun 2000)
addition mutation <molecular biology> A type of mutation that results from insertion or deletion of a single nucleotide into, or from, an open reading frame in the normal DNA sequence.
Normally, the genetic code is read in the wrong frame, three nucleotides at a time, and the entire sequence downstream of the mutation, is translated into a polypeptide with a garbled amino acid sequence from the mutated codon onwards. These mutations may be induced by certain types of mutagens or may occur spontaneously and usually result in the generation, downstream, of nonsense, chain termination codons.
Synonym: addition mutation, addition-deletion mutation, deletion mutation, reading-frameshift mutation.
(21 Jun 2000)
addition polymer <chemistry> A polymer which is formed from the fusion of two monomers which join completely without losing any small molecules.
(15 Jan 1998)
addition reaction <chemistry> Any reaction in which two chemicals combine to form a single chemical.
(15 Jan 1998)
terminal addition enzyme <enzyme> A non-template-directed DNA polymerase normally found in vertebrate thymus and bone marrow. It catalyses the elongation of oligo- or polydeoxynucleotide chains and is widely used as a tool in the differential diagnosis of acute leukaemias in man.
Chemical name: Nucleoside-triphosphate:DNA deoxynucleotidylexotransferase
Registry number: EC 2.7.7.31
(12 Dec 1998)
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