(noun.) a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc..
(noun.) an appraisal of the state of affairs; 'they made an assay of the contents'; 'a check on its dependability under stress'.
(noun.) a written report of the results of an analysis of the composition of some substance.
(noun.) a substance that is undergoing an analysis of its components.
(verb.) analyze (chemical substances).
凯西整理
伊丽莎白手打