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
... given in table 2. Each entry in the table represents the mean of two sub - sets of 10 independent measurements . From the standard deviations of the individual sub - sets an estimate was made of the average standard deviation of the ...
... given in table 2. Each entry in the table represents the mean of two sub - sets of 10 independent measurements . From the standard deviations of the individual sub - sets an estimate was made of the average standard deviation of the ...
Page 18
... given by the relationship AL - pg E [ ( Lo - y ) dy where AL is a change in length , p is the density , and E is the modulus of elasticity . If the origin is taken as the bottom of the tube , at y = Lo the integral has the value AL ...
... given by the relationship AL - pg E [ ( Lo - y ) dy where AL is a change in length , p is the density , and E is the modulus of elasticity . If the origin is taken as the bottom of the tube , at y = Lo the integral has the value AL ...
Page 39
... given the notation ( Tu ) obs With the same values of parameters P. T , and r , the " thermodynamic wet - bulb temperature " was cal- culated . To differentiate it from the observed value it is given the notation ( T ) eale . Because of ...
... given the notation ( Tu ) obs With the same values of parameters P. T , and r , the " thermodynamic wet - bulb temperature " was cal- culated . To differentiate it from the observed value it is given the notation ( T ) eale . Because of ...
Page 40
... given in column 9 while the per- ( A2 - A1 ) centage difference 100 are given in column A2 Since in this imperfect world one cannot expect perfect agreement between experimental and theoreti- cal values , it is desirable to have some ...
... given in column 9 while the per- ( A2 - A1 ) centage difference 100 are given in column A2 Since in this imperfect world one cannot expect perfect agreement between experimental and theoreti- cal values , it is desirable to have some ...
Page 46
... given by Hilde- brand [ 36 ] : ew = Antilog [ 6.89406 - - 1219.58 227.16 + T - ] mm Hg where fa function of pressure and temperature for a given liquid - gas system.3 Each of the individual errors in ( Tw ) cale is associ- ated with an ...
... given by Hilde- brand [ 36 ] : ew = Antilog [ 6.89406 - - 1219.58 227.16 + T - ] mm Hg where fa function of pressure and temperature for a given liquid - gas system.3 Each of the individual errors in ( Tw ) cale is associ- ated with an ...
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Common terms and phrases
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
Popular passages
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...
Page 25 - Passenger comfort is one of the most important factors to be considered in the design of these facilities and this also applies to the waiting rooms, rest rooms, lunch and dining rooms.
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.
Page 82 - These include the development and maintenance of the national standards of measurement and the provision of means and methods for making measurements consistent with these standards...
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.
Page 16 - Maryland, and by the Division of Biology and Medicine of the United States Atomic...