Concepedia

M. O’Brien

MO

6

Publications

139

Citations

6

H-Index

1951

Active since

Affiliations

National Institute of Standards and Technology(Current)

M. O’Brien is an author at National Institute of Standards and Technology specializing in natural sciences, engineering, and human nutrition.

Top concepts

Publications per year

1951–2014

6

Publications

6

Sodium Tartrate Dihydrate as Primary Standard for Karl Fischer Reagent

J. D. Neuss, M. O’Brien, H. A. Frediani · Analytical Chemistry · 1951 · 31 citations

, , +14

Vitamin D intake and status in Irish elderly women and adolescent girls

David McCarthy, Aedin Collins, M. O’Brien et al. · Irish Journal of Medical Science (1971 -) · 2006 · 31 citations

, , +12

The effect of spectra on calibration and measurement with mammographic ionization chambers

Larry A. DeWerd, J Micka, R. W. Laird et al. · Medical Physics · 2002 · 28 citations

New National Air-Kerma Standard for Low-Energy Electronic Brachytherapy Sources

S. M. Seltzer, M. O’Brien, Michael G. Mitch · Journal of Research of the National Institute of Standards and Technology · 2014 · 20 citations · Full text

Efficiency calibrations of cylindrically bent transmission crystals in the 20 to 80 keV x-ray energy range

Csilla I. Szabo, U. Feldman, S. M. Seltzer et al. · Optics Letters · 2011 · 18 citations

, , +18

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