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 30
... curves of the gage . The weights corresponding to a desired pressure were placed on the piston , and the piston and ... curve . Two parameters of the quadratic fits for the five runs , i.e. , the pressures at 0 ° C and the slopes , are ...
... curves of the gage . The weights corresponding to a desired pressure were placed on the piston , and the piston and ... curve . Two parameters of the quadratic fits for the five runs , i.e. , the pressures at 0 ° C and the slopes , are ...
Page 69
... curves of these thermo- elements obtained , to our knowledge , for the first time over the frequency range and to the accuracies given above . A conservative estimate of the uncertainties of the measured voltages and currents in terms ...
... curves of these thermo- elements obtained , to our knowledge , for the first time over the frequency range and to the accuracies given above . A conservative estimate of the uncertainties of the measured voltages and currents in terms ...
Page 76
... curves ) . However , the same voltmeter may be used for all frequencies . It may be one of a number of 50 - N input - impedance voltmeters or power meters presently available for frequencies up to 2 GHz or higher . The voltmeter need ...
... curves ) . However , the same voltmeter may be used for all frequencies . It may be one of a number of 50 - N input - impedance voltmeters or power meters presently available for frequencies up to 2 GHz or higher . The voltmeter need ...
Page 85
... curves shown to decrease their slope with frequency . Calibrated Inductance of Samples , AL = ( μ - 1 ) Lo⋅ L - Lg . Nanohenries 18 2 .4 1 .6 50 MHz 100MHZ 150 MHz 30MHZ .8 1.0 200 MHz 1.2 1.4 Admittance Meter Data of Samples , ( K3 ...
... curves shown to decrease their slope with frequency . Calibrated Inductance of Samples , AL = ( μ - 1 ) Lo⋅ L - Lg . Nanohenries 18 2 .4 1 .6 50 MHz 100MHZ 150 MHz 30MHZ .8 1.0 200 MHz 1.2 1.4 Admittance Meter Data of Samples , ( K3 ...
Page 99
... curve of line intensity vs. slit width , for the case of partially coherent spectrograph slit illumination . The ... curves show negative differential resistance in the region of oscilla- tion . We suggest that these effects are due ...
... curve of line intensity vs. slit width , for the case of partially coherent spectrograph slit illumination . The ... curves show negative differential resistance in the region of oscilla- tion . We suggest that these effects are due ...
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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...
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...