Journal of Research of the National Bureau of Standards: Engineering and instrumentation. C, Volumes 72-75U.S. Government Printing Office, 1968 |
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Page 13
... values were then corrected from 22 ° C to the observed chamber temperature for each set of free fall measurements . The adjusted and corrected length interval values appear in table 3 . The time intervals presented in this table are the ...
... values were then corrected from 22 ° C to the observed chamber temperature for each set of free fall measurements . The adjusted and corrected length interval values appear in table 3 . The time intervals presented in this table are the ...
Page 17
... values for the lengths of the two intervals . Some estimate of the effect of the different length determinations obtained for the invar scale can be made by computing a series of gravity values in which the successive length corrections ...
... values for the lengths of the two intervals . Some estimate of the effect of the different length determinations obtained for the invar scale can be made by computing a series of gravity values in which the successive length corrections ...
Page 18
... Other Gravity Values The mean value of 980.1011 cm / s2 given in table 4 is that determined directly from the measured param- eters of the experiment . Since there is a gravity gradient of approximately 0.0003 cm / s2 / m , 18.
... Other Gravity Values The mean value of 980.1011 cm / s2 given in table 4 is that determined directly from the measured param- eters of the experiment . Since there is a gravity gradient of approximately 0.0003 cm / s2 / m , 18.
Page 19
... value 56.8 cm , △ t was 0.1184 s and t2 and t2 were given typical values of 0.3486 and 0.1559 s respectively . The resulting value of the effective height above the optical axis is 14.2 cm . To establish a permanent reference point for ...
... value 56.8 cm , △ t was 0.1184 s and t2 and t2 were given typical values of 0.3486 and 0.1559 s respectively . The resulting value of the effective height above the optical axis is 14.2 cm . To establish a permanent reference point for ...
Page 31
... values for the vapor pressure of carbon dioxide Greig and Dadson This paper Edmister . et al . 1950 ( 34.8467 ) ( 26.137.2 ) 26.144.0 1964 34.8499 26.139.6 1966 ( 34.8472 ) ( 26,137.6 ) 26.144.5 1966 34.8516 26.140.8 26.147.7 3466 [ 31 ...
... values for the vapor pressure of carbon dioxide Greig and Dadson This paper Edmister . et al . 1950 ( 34.8467 ) ( 26.137.2 ) 26.144.0 1964 34.8499 26.139.6 1966 ( 34.8472 ) ( 26,137.6 ) 26.144.5 1966 34.8516 26.140.8 26.147.7 3466 [ 31 ...
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accuracy admittance alloys analysis application approximately atomic attenuation bolometer Bolovac bridge Bureau of Standards calculated calibration calorimeter capacitance capacitor Chem circuit coaxial coefficient connectors constant creep Cryogenic crystal curves density described detector determined dew point disk effect electrical electron electron probe microanalysis energy equation error evaluation experimental field film flow frequency function heat hydrometer IEEE impedance input Instr Instrumentation Vol Key words laser linear liquid load magnetic materials measurements ment meter method microwave Mössbauer effect Mössbauer spectroscopy National Bureau obtained optical oscilloscope output paper parameters percent Phys precision pressure Proc properties pulse radiation range ratio reference resistance resistors resonance sample shown in figure solution specimen spectra stress surface Tech techniques temperature thermal thermal conductivity thermocouple thermodynamic thiosulfate tion Trans tube tungsten uncertainty values vapor voltage waveguide wet-bulb wet-bulb temperature wire x-ray
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Page 28 - In no case does such identification imply recommendation or endorsement by the National Bureau of Standards, nor does it imply that the material or equipment identified is necessarily the best available for the purpose.
Page 46 - THE INSTITUTE FOR BASIC STANDARDS provides the central basis within the United States of a complete and consistent system of physical measurement; coordinates...
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Page 21 - ... (1) nuclear data, (2) atomic and molecular data, (3) solid state data, (4) thermodynamic and transport data, (5) chemical kinetics, (6) colloid and surface properties, and (7) mechanical properties.
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Page 23 - The procedure uses the x and y coordinates and the individual directions of the minutiae ( ridge endings and bifurcations). The identity of the...
Page 22 - This publication contains a descriptive listing, item by item, of most of the test and calibration work done at the National Bureau of Standards with the respective fees.
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