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 2
... samples have been drawn changed with time . It is inferred that there m exist sources of bias which vary from day to ... sample from an unknown population . Estimat the precision should be made , together with stater of the sensitivity ...
... samples have been drawn changed with time . It is inferred that there m exist sources of bias which vary from day to ... sample from an unknown population . Estimat the precision should be made , together with stater of the sensitivity ...
Page 27
... sample - to - sample reproducibility better than one part in 25,000 . The method is suggested as being suitable for general use in realizing the CO2 point of the pressure scale . This experiment yielded a value for the vapor pressure at ...
... sample - to - sample reproducibility better than one part in 25,000 . The method is suggested as being suitable for general use in realizing the CO2 point of the pressure scale . This experiment yielded a value for the vapor pressure at ...
Page 31
... sample No. 1. The numerical value was not stated in the paper , but the point is plotted on the graph in which ... sample . It will be seen that the measurements at MIT on the NBS and MIT samples differ by twice as much as the ...
... sample No. 1. The numerical value was not stated in the paper , but the point is plotted on the graph in which ... sample . It will be seen that the measurements at MIT on the NBS and MIT samples differ by twice as much as the ...
Page 32
... samples of carbon dioxide . Both laboratories took elaborate precautions to avoid chemical contamination . The gas was ... sample . Measurement of the vapor pressure of CO2 by t dynamic method appears to be insensitive to impu ties , at ...
... samples of carbon dioxide . Both laboratories took elaborate precautions to avoid chemical contamination . The gas was ... sample . Measurement of the vapor pressure of CO2 by t dynamic method appears to be insensitive to impu ties , at ...
Page 81
... sample is derived from measurements with a sample in and out of one of the shorted coaxial lines . The esti- mated error from 30 MHz to 100 MHz is from 1 to 10 percent for sample inductance from 3 10-9 - to 10-7 H and sample resistance ...
... sample is derived from measurements with a sample in and out of one of the shorted coaxial lines . The esti- mated error from 30 MHz to 100 MHz is from 1 to 10 percent for sample inductance from 3 10-9 - to 10-7 H and sample resistance ...
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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
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...