comparator method

comparator method

[kəm′par·əd·ər ‚meth·əd]
(thermodynamics)
A method of determining the coefficient of linear expansion of a substance in which one measures the distance that each of two traveling microscopes must be moved in order to remain centered on scratches on a rod-shaped specimen when the temperature of the specimen is raised by a measured amount.
References in periodicals archive ?
To assess the influence of fragments on the immunoassay results, we used an immunoaffinity mass spectrometric assay as the comparator method (5).
This new DC/DC converter IC, the MB39A145, utilizes a "bottom detection comparator method", and includes new enhanced circuits which provide changes in voltage, for changes in current to realize a more stable and low ripple output voltage.
Review of the data presented demonstrates equivalency between the protocols that use comparable internal standard concentrations and those for the comparator method (mean bias = 3.69% and 3.11% for cRF and sRF, respectively).
Off-line optical comparator methods were popularized over 50 years ago.