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 9
... coaxial cable leading to the timing system . The light source was an incandescent filament , galvanometer lamp operated at 6 V , direct current . The lamp had a straight , helical coil filament . The lamp was housed in a case having a ...
... coaxial cable leading to the timing system . The light source was an incandescent filament , galvanometer lamp operated at 6 V , direct current . The lamp had a straight , helical coil filament . The lamp was housed in a case having a ...
Page 17
... coaxial cable connections to the timer panel was capable of following illumination rise times at least five times greater than those provided by the gravity apparatus . 7.9 . Uncertainty in the Length Standard Of the two standards ...
... coaxial cable connections to the timer panel was capable of following illumination rise times at least five times greater than those provided by the gravity apparatus . 7.9 . Uncertainty in the Length Standard Of the two standards ...
Page 50
... coaxial type ) . It is not necessary to add the shield in order to calibrate the divider with the method described here . However , it is a convenience in the calibration procedure particularly if the divider is to be used as a ...
... coaxial type ) . It is not necessary to add the shield in order to calibrate the divider with the method described here . However , it is a convenience in the calibration procedure particularly if the divider is to be used as a ...
Page 51
... Coaxial Chokes In order to realize the desired accuracy , coaxial chokes are required in various branches of the circuit . These reduce the small but troublesome loop and ground currents to insignificant values . The use of coaxial ...
... Coaxial Chokes In order to realize the desired accuracy , coaxial chokes are required in various branches of the circuit . These reduce the small but troublesome loop and ground currents to insignificant values . The use of coaxial ...
Page 59
... coaxial chokes to ac bridge circuits , D. N. Homan , in press . [ 5 ] Comparator for calibration of inductive voltage dividers from 1 to 10 kHz , Wilbur C. Sze , ISA 1966 Conference , Paper No. 12.3-2-66 , October 24-27 , 1966 , New ...
... coaxial chokes to ac bridge circuits , D. N. Homan , in press . [ 5 ] Comparator for calibration of inductive voltage dividers from 1 to 10 kHz , Wilbur C. Sze , ISA 1966 Conference , Paper No. 12.3-2-66 , October 24-27 , 1966 , New ...
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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...