Journal of Research of the National Bureau of Standards, Volume 85U.S. Department of Commerce, National Bureau of Standards, 1980 |
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Page 19
... scattering . Radiographs of the source arrays are shown and details of the re - entrant chamber source measurements and construction are provided . As assessment of the errors involved in establishing this standard leads to a statement ...
... scattering . Radiographs of the source arrays are shown and details of the re - entrant chamber source measurements and construction are provided . As assessment of the errors involved in establishing this standard leads to a statement ...
Page 21
... scatter corrections for 0.5 - m and 1.0 m measurements k ,, ( 0.5 ) 0.993 k ,, ( 1.0 ) 0.972 60 6.091 5.998 1.016 100 3.688 3.627 1.017 150 2.831 2.790 1.015 Air attenuation - scattering corrections for 0.5 - m and 1.0 - m measurements ...
... scatter corrections for 0.5 - m and 1.0 m measurements k ,, ( 0.5 ) 0.993 k ,, ( 1.0 ) 0.972 60 6.091 5.998 1.016 100 3.688 3.627 1.017 150 2.831 2.790 1.015 Air attenuation - scattering corrections for 0.5 - m and 1.0 - m measurements ...
Page 22
... scattering from the room surfaces to make the measurement independent of the surroundings , and for air attenuation and scattering to make the source measure- ments independent of source - detector distance . The magni- tude of these ...
... scattering from the room surfaces to make the measurement independent of the surroundings , and for air attenuation and scattering to make the source measure- ments independent of source - detector distance . The magni- tude of these ...
Page 24
... scatter Scattering : Room surfaces Air attenuation and scatter Current at one meter ( open - air ) : Current Humidity Temperature Pressure 0.02 0.1 0.5 0.3 0.02 0.02 0.3 0.1 080 0.03 0.1 0.3 0.03 0.01 0.01 Reproducibility ( long - term ) ...
... scatter Scattering : Room surfaces Air attenuation and scatter Current at one meter ( open - air ) : Current Humidity Temperature Pressure 0.02 0.1 0.5 0.3 0.02 0.02 0.3 0.1 080 0.03 0.1 0.3 0.03 0.01 0.01 Reproducibility ( long - term ) ...
Page 28
... scatter ( 1 S.D. ) in a set of repeated measurements of a single weight the density of which is close to that of the built - in balance weights and counterpoise . Thus the measurement of the precision of the balance is unaffected by the ...
... scatter ( 1 S.D. ) in a set of repeated measurements of a single weight the density of which is close to that of the built - in balance weights and counterpoise . Thus the measurement of the precision of the balance is unaffected by the ...
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acid aerosol alloy aluminum analysis analytical anode atomic atomic weight building Bureau of Standards calculated calibration calorimeter cell Chem chemical chromospheric Conf constant coulometer croconate cryogenic crystal density detector determined developed discussed dosimetry effects electrical electron energy enthalpy of solution equation error evaluation experimental factors Faraday constant figure fire incident frequency function heat hydrogen ionization isotopic J. L. Bryan Key words laboratory laser linear magnetic malononitrile mass materials measurements ment method molal molecular National Bureau NBSIR neutron observed obtained optical Order from NTIS paper parameters particle percent performance Phys physical polymer potentiostat pressure Proc procedure Publ radiation range ratio reaction sample scattering silicon smoke detectors solar Spec spectra spectroscopy structure superconducting surface suspended coil techniques Technology temperature thallium thermal tion uncertainty values voltage weight x-ray
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Page 425 - Building Science Series — Disseminates technical information developed at the Bureau on building materials, components, systems, and whole structures. The series presents research results, test methods, and performance criteria related to the structural and environmental functions and the durability and safety characteristics of building elements and systems.
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