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单词 photodensitometry
释义

photodensitometryn.

Brit. /ˌfəʊtə(ʊ)ˌdɛnsᵻˈtɒmᵻtri/, U.S. /ˈˌfoʊdəˌdɛnsəˈtɑmətri/
Origin: Formed within English, by compounding. Etymons: photo- comb. form, densitometry n.
Etymology: < photo- comb. form + densitometry n., after photodensitometer n.
Science.
The use of a photodensitometer.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > light > [noun] > smallest unit of light > detection of
photodetection1959
photodensitometry1965
1965 Biochemistry 4 1653/2 Sometimes absorption optics are used on the ultracentrifuge, and in this event concentrations are measured by photo~densitometry.
1970 Science 2 Jan. 80/2 The spots representing each glycerolipid were analyzed by photodensitometry.
2002 Ann. Biomed. Engin. 30 1251 Bone formation at the distraction site was assessed by photodensitometry on head radiographs.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1965
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