Technical Highlights of the National Bureau of StandardsU.S. Department of Commerce, National Bureau of Standards, 1960 |
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Page 1
... ment and the Nation in a variety of other ways . These include the develop- ment of test methods for materials , cooperation in the establishment of codes and specifications , and advisory services to other Government agencies on ...
... ment and the Nation in a variety of other ways . These include the develop- ment of test methods for materials , cooperation in the establishment of codes and specifications , and advisory services to other Government agencies on ...
Page 4
... ment of very low levels of radioactivity - down to a millionth of a curie — was constructed . This facility is being used to study methods of measuring the amounts of radionuclides present at very low concentrations and in making ...
... ment of very low levels of radioactivity - down to a millionth of a curie — was constructed . This facility is being used to study methods of measuring the amounts of radionuclides present at very low concentrations and in making ...
Page 10
... ment standards activities over the past few years and in most plants a keen awareness of the need for highly accurate standards of physical measurement has developed . At the suggestion of several defense agencies , the Bureau's ...
... ment standards activities over the past few years and in most plants a keen awareness of the need for highly accurate standards of physical measurement has developed . At the suggestion of several defense agencies , the Bureau's ...
Page 44
... ment may require several minutes and consists of an average of 15-25 sep- arate determinations of the oscillator frequency . The accuracy of the NBS standards is considered to be 1 × 10-11 and refers to the maximum expected deviation of ...
... ment may require several minutes and consists of an average of 15-25 sep- arate determinations of the oscillator frequency . The accuracy of the NBS standards is considered to be 1 × 10-11 and refers to the maximum expected deviation of ...
Page 47
... ment of a technique which can discriminate between radiation from the horn and reflections from within the laboratory . This involves the genera- tion of pulses which are only a few nanoseconds ( a thousandth of a millionth of a second ) ...
... ment of a technique which can discriminate between radiation from the horn and reflections from within the laboratory . This involves the genera- tion of pulses which are only a few nanoseconds ( a thousandth of a millionth of a second ) ...
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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
Popular passages
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.