Journal of Research of the National Bureau of Standards: Engineering and instrumentation. C, Volumes 72-75U.S. Government Printing Office, 1968 |
From inside the book
Results 1-5 of 100
Page 8
... bridge frame anchore at the upper ends of the two aluminum alloy tubes th formed the vertical members of the carriage ( fig . 9 This method of mounting insured that the upper pla of the carriage would not be subjected to bendi due to ...
... bridge frame anchore at the upper ends of the two aluminum alloy tubes th formed the vertical members of the carriage ( fig . 9 This method of mounting insured that the upper pla of the carriage would not be subjected to bendi due to ...
Page 28
... bridge . The bridge had been modified by adding a 0.00001 dial and by adding a bridge power supply with provision for variation of the bridge current and * Certain commercial products are identified in this paper in order to specify ...
... bridge . The bridge had been modified by adding a 0.00001 dial and by adding a bridge power supply with provision for variation of the bridge current and * Certain commercial products are identified in this paper in order to specify ...
Page 29
... bridge balance was determined using a galvanometer - phototube amplifier . The galvanometer had sufficient ... Bridge balance Change of contact resistance Measurements with triple - point cell Bridge balance Realization of triple point ...
... bridge balance was determined using a galvanometer - phototube amplifier . The galvanometer had sufficient ... Bridge balance Change of contact resistance Measurements with triple - point cell Bridge balance Realization of triple point ...
Page 30
... bridge . By removing a 1 - lb weight from the piston gage , the above process could be repeated at another pressure . In this manner , the temperatures corresponding to four different vapor pressures near the ice point were determined ...
... bridge . By removing a 1 - lb weight from the piston gage , the above process could be repeated at another pressure . In this manner , the temperatures corresponding to four different vapor pressures near the ice point were determined ...
Page 58
... . I − 9 , No. 2 , 243-250 ( Sept. 1960 ) . [ 2 ] The precise measurement of small capacitances , A. M. Thompson , IRE Trans . Instr . I - 7 , Nos . 3 and 4 , 245-253 ( Dec. 1958 ) . [ 3 ] A.C. bridge methods for the measurement of 58.
... . I − 9 , No. 2 , 243-250 ( Sept. 1960 ) . [ 2 ] The precise measurement of small capacitances , A. M. Thompson , IRE Trans . Instr . I - 7 , Nos . 3 and 4 , 245-253 ( Dec. 1958 ) . [ 3 ] A.C. bridge methods for the measurement of 58.
Other editions - View all
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...