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Page 25
... techniques . The refractive index - temperature data show both positive and negative values and small changes with ... technique was used to determine the elastic constants , Young's modulus , shear modu- lus , bulk modulus , and ...
... techniques . The refractive index - temperature data show both positive and negative values and small changes with ... technique was used to determine the elastic constants , Young's modulus , shear modu- lus , bulk modulus , and ...
Page 34
... techniques verify this relationship to within the accuracy of the measurements . From 20 to 50 dB , the devia- tion ... technique for measuring shear and longitudinal sound speeds in solids has been devised . The technique is described ...
... techniques verify this relationship to within the accuracy of the measurements . From 20 to 50 dB , the devia- tion ... technique for measuring shear and longitudinal sound speeds in solids has been devised . The technique is described ...
Page 37
... techniques becomes more difficult . This paper describes a cascade method which allows calibration of low power meter - coupler combinations for measurement up to the megawatt range . The technique is based upon system linearity and the ...
... techniques becomes more difficult . This paper describes a cascade method which allows calibration of low power meter - coupler combinations for measurement up to the megawatt range . The technique is based upon system linearity and the ...
Page 40
... techniques . This publication supersedes Special Publication 250 , 1968 Edition and the supplementary material in ... techniques using known amounts of austenite . Using these techniques , 134 specimens were prepared . Because these stan ...
... techniques . This publication supersedes Special Publication 250 , 1968 Edition and the supplementary material in ... techniques using known amounts of austenite . Using these techniques , 134 specimens were prepared . Because these stan ...
Page 41
... techniques , an analytical apparatus was constructed with excellent sensitivity for both elements . This apparatus con- sists of an inert gas fusion system coupled to a gas chromato- graph . Recommended modifications have been completed ...
... techniques , an analytical apparatus was constructed with excellent sensitivity for both elements . This apparatus con- sists of an inert gas fusion system coupled to a gas chromato- graph . Recommended modifications have been completed ...
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Page 80 - DC 20056. Building Science Series — Disseminates technical information developed at the Bureau on building materials, components, systems, and whole structures. The series presents research results, test methods, and performance criteria related to the structural and environmental functions and the durability and safety characteristics of building elements and systems.
Page 39 - Handbook 44 Specifications, Tolerances, and other Technical Requirements for Commercial Weighing and Measuring Devices...
Page 76 - This study is based on 1) an extensive survey conducted by the Survey Research Center of the University of Michigan and (2) prepared expert papers on selected areas of consumer interest.
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Page 40 - 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 74 - ... Government; cooperates with public and private organizations in the development of technological standards, and test methodologies; and provides advisory and research services for Federal, state, and local government agencies. The Institute consists of the following technical divisions and offices: Engineering Standards — Weights and Measures — Invention and Innovation — Vehicle Systems Research — Product Evaluation — Building Research — Instrument Shops — Measurement Engineering...
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