quantitative analysis
 定量分析


 quantitative analysis 名詞
 定量分析


 Quan·ti·ta·tive a.  Relating to quantity. -- Quan*ti*ta*tive*ly, adv.
 Quantitative analysis Chem., analysis which determines the amount or quantity of each ingredient of a substance, by weight or by volume; -- contrasted with qualitative analysis.

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 A·nal·y·sis n.; pl. Analyses
 1. A resolution of anything, whether an object of the senses or of the intellect, into its constituent or original elements; an examination of the component parts of a subject, each separately, as the words which compose a sentence, the tones of a tune, or the simple propositions which enter into an argument. It is opposed to synthesis.
 2. Chem. The separation of a compound substance, by chemical processes, into its constituents, with a view to ascertain either (a) what elements it contains, or (b) how much of each element is present. The former is called qualitative, and the latter quantitative analysis.
 3. Logic The tracing of things to their source, and the resolving of knowledge into its original principles.
 4. Math. The resolving of problems by reducing the conditions that are in them to equations.
 5. (a) A syllabus, or table of the principal heads of a discourse, disposed in their natural order. (b) A brief, methodical illustration of the principles of a science. In this sense it is nearly synonymous with synopsis.
 6. Nat. Hist. The process of ascertaining the name of a species, or its place in a system of classification, by means of an analytical table or key.
 Ultimate, Proximate, Qualitative, Quantitative, and Volumetric analysis. Chem. See under Ultimate, Proximate, Qualitative, etc.

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 quantitative analysis
      n : chemical analysis to determine the amounts of each element
          in the substance [syn: quantitative chemical analysis]