Technical Highlights of the National Bureau of StandardsU.S. Department of Commerce, National Bureau of Standards, 1960 |
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Page 2
... means of a natural frequency of the cesium atom , was operated on a regular basis throughout the year and was used to monitor the NBS standard fre- quency broadcasts . International comparisons showed continued agreement between this ...
... means of a natural frequency of the cesium atom , was operated on a regular basis throughout the year and was used to monitor the NBS standard fre- quency broadcasts . International comparisons showed continued agreement between this ...
Page 23
... means for checking the performance of such systems , the Bureau selected glass filters of five spectral types , and determined the tristimulus values of 100 specimens of each type . If any given spectrophotometer - integrator system ...
... means for checking the performance of such systems , the Bureau selected glass filters of five spectral types , and determined the tristimulus values of 100 specimens of each type . If any given spectrophotometer - integrator system ...
Page 28
... means . Measurement areas include sound pressure and intensity , shock , vibration , force , strain , pressure , vacuum , viscosity , and rate of gas and liquid flow . These measurement areas are of vital importance in the missile and ...
... means . Measurement areas include sound pressure and intensity , shock , vibration , force , strain , pressure , vacuum , viscosity , and rate of gas and liquid flow . These measurement areas are of vital importance in the missile and ...
Page 58
... means for reaching international agreement on a temperature scale between 10 and 90 ° K . As a first step toward this goal , arrange- ments were worked out for comparing the scales now in use through circula- tion of a group of standard ...
... means for reaching international agreement on a temperature scale between 10 and 90 ° K . As a first step toward this goal , arrange- ments were worked out for comparing the scales now in use through circula- tion of a group of standard ...
Page 62
... means of an electron- optical stroboscopic method . The purpose of this work , which is sponsored by the Office of Naval Research , is to develop a method to measure the vector- velocity distributions of gas molecules reflected from ...
... means of an electron- optical stroboscopic method . The purpose of this work , which is sponsored by the Office of Naval Research , is to develop a method to measure the vector- velocity distributions of gas molecules reflected from ...
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absorption accuracy alloys analysis analyzed antenna apparatus applied atmosphere automatic basic beam Bone Char Boulder Chem chemical Chemistry compounds conducted Conf constant cross sections Cryogenic Cryogenic Engineering crystals density determined developed dielectric effects electrical electron equipment evaluation experimental frequency frequency standards gage blocks gases heat helium high temperatures holmium hydrogen industry infrared instrument International investigated ionization ionosphere ions isotope laboratories liquid low temperatures maser materials Mc/s mechanical ment metals method Metrology microwave molecular molecules neutron nuclear observed obtained operation optical oxide percent phase Phys physical plasma plasma physics polymers precision pressure problems Proc processes produced properties pyrometer radiation radio propagation radio waves range reactions refractive refractive index resonance samples scattering solution spectra spectrum structure surface technical techniques theoretical theory thermal thermocouple thermodynamic tion ultraviolet values vapor voltage waveguide wavelength Weights and Measures X-ray
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Page 177 - Handbooks — Recommended codes of engineering and industrial practice (including safety codes) developed in cooperation with interested industries, professional organizations, and regulatory bodies. Special Publications...
Page 162 - American Institute of Aeronautics and Astronautics (AIAA), American Institute of Chemical Engineers (AIChE...
Page 69 - These guides, which are generally consistent with the recommendations of the National Council on Radiation Protection and Measurements (NCRP) and the International Commission on Radiological Protection (ICRP), have been adopted by the Atomic Energy Commission in the development of its radiation protection standards.
Page 23 - Transportation. Atomic Energy Commission, National Aeronautics and Space Administration. National Science Foundation, and...
Page 189 - RG Mathey and D. Watstein: Investigation of Bond in Beam and Pullout Specimens with High-yield-strength Deformed Bars, /. ACI, vol.
Page 241 - Research on crystal growth and characterization at the National Bureau of Standards during the period January to June 1963, ed.
Page 159 - The custody, maintenance, and development of the national standards of measurement, and the provision of means and methods for making measurements consistent with those standards, including the comparison of standards used in scientific investigations, engineering, manufacturing, commerce, and educational institutions with the standards adopted or recognized by the Government.
Page 153 - A new guide to information resources in the social sciences has been published by the National Referral Center for Science and Technology at the Library of Congress.
Page 191 - No. 1, 1-29 (July 1961). Reinhart, FM, Twenty-year atmospheric corrosion investigation of zinc-coated and uncoated wire and wire products, Am. Soc. Testing Materials Spec. Tech. Publ. 290, 1-141 (June 1961). Time standards, AG McNish, Instr. and Control Systems 33, 1340-1341 (Aug.