Technical Highlights of the National Bureau of StandardsU.S. Department of Commerce, National Bureau of Standards, 1960 |
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Page 2
... - mitted directly along the surface of the earth rather than by reflection from the ionosphere , the received signals are much more stable . This permits their transmission over great distances with greater accuracy than the 2.
... - mitted directly along the surface of the earth rather than by reflection from the ionosphere , the received signals are much more stable . This permits their transmission over great distances with greater accuracy than the 2.
Page 20
... surface finish and sphericity of ball bearings , a need arising from space - age require- ments . New single - pan two knife - edge 20 Highlights of the research program Physics, electronics, and measurement standards.
... surface finish and sphericity of ball bearings , a need arising from space - age require- ments . New single - pan two knife - edge 20 Highlights of the research program Physics, electronics, and measurement standards.
Page 22
... surface on the complex energy existing on the dark side of a first surface that totally reflects incident light . This phenomenon was used to measure the film thickness existing between a glass - metal interface . The technique , which ...
... surface on the complex energy existing on the dark side of a first surface that totally reflects incident light . This phenomenon was used to measure the film thickness existing between a glass - metal interface . The technique , which ...
Page 26
... surface finishes on spherical surfaces of 0.5- inch radius and on cylindrical surfaces of 0.002 - inch radius . Absolute Testing of Wavefront Shapes . A method was developed for making absolute tests by interferometry . The process ...
... surface finishes on spherical surfaces of 0.5- inch radius and on cylindrical surfaces of 0.002 - inch radius . Absolute Testing of Wavefront Shapes . A method was developed for making absolute tests by interferometry . The process ...
Page 29
... surface . Preliminary measurements on infrasonic waves having quite constant periods - near 6 seconds - showed that these waves usually come from east- erly directions , and seem to travel through the atmosphere almost parallel to the ...
... surface . Preliminary measurements on infrasonic waves having quite constant periods - near 6 seconds - showed that these waves usually come from east- erly directions , and seem to travel through the atmosphere almost parallel to the ...
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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.