microdensitometer


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mi·cro·den·si·tom·e·ter

 (mī′krō-dĕn′sĭ-tŏm′ĭ-tər)
n.
An extremely sensitive densitometer used to measure optical densities of photographic plates or film to detect small details, such as spectral lines invisible to the human eye.
References in periodicals archive ?
On 1963 Nov 28, almost one lunar month later, for 75 minutes, four observers at the same telescope under similar viewing geometry and mostly 'excellent seeing conditions (excellent seeing conditions confirmed later by microdensitometer scans of film taken during the reddish TLP episode) observed three further reddish TLP events:
Revisiting the 1963 'Aristarchus events'
1999), atomic emission spectrography (AES), calibrated to international standards with low background limits, was used to measure 13 elements of < 1 mm size fraction of each sample and the spectrum lines were deciphered by microdensitometer DM-100.
Geochemistry of freshwater calcareous sediments and longevity impacts of their application to acidic soils of eastern Lithuania/Geochemine gelavandeniu kalkinguju nuosedu sudeties variacija ir ju naudojimo palikimas rugstiems ryty lietuvos dirvozemiams
The density of the image on the photographic plate was afterwards measured with a microdensitometer.
The astrographic telescope of the royal observatory, Cape
After fixation of the gel, quantification is performed by a high-resolution integrating microdensitometer.
Effects of hemoglobin variants and chemically modified derivatives on assays for glycohemoglobin
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