Quantitative Structure-Activity Relationship: A mathematical connection between chemical structure and biological activity, established by statistical analysis or pattern recognition techniques.

 

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Quantitative Structure-Activity Relationship: A mathematical connection between chemical structure and biological activity, established by statistical analysis or pattern recognition techniques.

Quantitative Metre: Lines whose rhythm depends on the duration or length of time a line takes to utter. That duration depends on whether a syllable is long or short. Edmund spenser's 'iambicum trimetrum' is an . . . View Full Definition

Quantitative Meter: Meter that relies not on the alternation of heavily stressed or lightly stressed syllables, but rather on the alternation of 'long syllables' and 'short syllables' (i.e., syllables categoriz . . . View Full Definition

Quantitative Precipitation Forecast (QPF): A forecast of rainfall, snowfall or liquid equivalent of snowfall.

Quantitative Restrictions: Quantitative restrictions are limitations on the quantity or value of a product that may be permitted to enter a country. They are probably the most familiar of the nontariff barriers and in . . . View Full Definition

Relationship Email: An email message that refers to a commercial action -- a purchase, complaint or customer-support request -- based on a business relationship between the sender and recipient. Generally are n . . . View Full Definition

Quantitative Genetics: The study of the genetic basis of traits, usually explained in terms of the interaction of a group of genes with the environment

Quantitative Research: Use of advanced econometric and mathematical valuation models to identify the firms with the best possible prospectives. Antithesis of qualitative research.

Quantitative Change: In linguistics, an alteration in the length of a sound--particularly vowel sounds. Contrast with qualitative change.

Expected Return-Beta Relationship: The return one can expect to earn on an investment. See: Capital asset pricing model.