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Displaying 53426 - 53450 of 74189

Recertification of SRM 706a, a Polystyrene

January 1, 1998
Author(s)
Kathleen M. Flynn, William R. Blair, J R. Maurey
The recertification of the polystyrene standard reference material, SRM 706a, is described. The Mw of SRM 706a by light scattering was determined to be 2.85 x 10 5 g/mol with a sample standard deviation of 0.019 x 10 5 g/mol. A combined expanded

Review of Mechanical Properties of HSC at Elevated Temperature

January 1, 1998
Author(s)
Long T. Phan, Nicholas J. Carino
A compilation of experimental results on the mechanical properties of concrete when exposed to rapid heating as in a fire are presented. Emphasis is placed on concretes with high original compressive strengths. That is, high-strength concretes (HSCs). The

Scanning Electron Microscope Length Standards (Chapter VII in: Benchmarking the Length Measurement Capabilities of the National Institute of Standards and Technology, R.M. Silver, J.L. Land, Editors, NISTIR 6036)

January 1, 1998
Author(s)
Michael T. Postek, Joseph Fu
A cross-section of length measurement capabilities fiom the Precision Engineering Division within the National Institute of Standards and Technology is benchmarked against those of other leading National Measurement Institutes. We present a variety of
Displaying 53426 - 53450 of 74189
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