Journal of Research of the National Bureau of Standards: Engineering and instrumentation. C, Volumes 70-72U.S. Government Printing Office, 1966 |
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accuracy alloy amplifier analysis applied approximately average balance barium fluoride Bureau of Standards calculated calibration calorimeter cavity Chem circuit coefficient computed Conf creep curve cycle density detector determined dielectric constant diffusion pump dissipation factor effect electrical electron elements equation error evaluated experimental flux frequency frequency-ratio function germanium heat humidity IEEE indicate inductor input Instrumentation Vol ionosphere JOURNAL OF RESEARCH Laboratory load magnetic materials measurements method National Bureau notch angle notch depth observed obtained optical output percent Rh permeability phase phase angle Phys polymers potentiometer pressure Proc procedure Publ pulse radiation Radio Radio Propagation radiometer ratio reference reflectance resistance resistors rhodium root radius sample sensitivity Sept shown in figure sources specimens stations stress surface technique temperature tensile thermal Thermal Radiation thermocouple thermopile tion tube uncertainty values vapor voltage waveguide wire yield strength
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Page 61 - In no case does such identification imply recommendation or endorsement by the National Bureau of Standards , nor does it imply that the...
Page 228 - American Institute of Physics: "Temperature: Its Measurement and Control in Science and Industry," Reinhold Publishing Corporation, New York, 1941.
Page 60 - ... advisory services to government agencies on scientific and technical problems; invention and development of devices to serve special needs of the Government; and the development of standard practices, codes, and specifications.
Page 51 - Radio Standards Laboratory:* Radio Standards Physics; Radio Standards Engineering. Office of Standard Reference Data. Institute for Materials Research. Analytical Chemistry. Polymers. Metallurgy. Inorganic Materials. Reactor Radiations. Cryogenics.* Materials Evaluation Laboratory.
Page 258 - Techniques, Interscience Publishers, Inc., New York, NY p. 90. (9) Koch, HW, et al, "Nuclear and Radiation Standards of Importance to the National Atomic Energy Program," US Department of Commerce, NBS, Technical Note 283, 1966. (10) Hahn, RL, in "Guide to Activation Analysis,
Page 156 - A block diagram of the system is shown in figure 3. The measurement procedure is as follows: 1.
Page 251 - The reflection of a parallel beam of light incident in a V-groove is treated for the case when the walls are specularly reflecting. Methods of calculating apparent reflectances...
Page 253 - ... technical services provided by the National Bureau of Standards radio stations WWV, WWVH, WWVB, and WWVL. These services are: 1. Standard radio frequencies; 2. Standard audio frequencies; 3. Standard musical pitch; 4. Standard time intervals; 5. Time signals; 6.