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Topic Area: Environment/Climate

Displaying records 21 to 30 of 388 records.
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21. Perpendicular ferromagnetic resonance measurements of damping and Landé g-factor in sputtered (Co^d2^Mn)^d1-x^Ge^dx^ thin films
Topic: Environment/Climate
Published: 8/8/2011
Authors: Thomas J Silva, Hans Toya Nembach, Justin M Shaw, Michael Schneider, Matt Carey, Stefan Maat, Jeff Childress
Abstract: X-ray diffraction (XRD), magnetometry, and ferromagnetic resonance (FMR) measurements were performed on sputtered thin films of the nominal Heusler alloy (Co^d2^Mn)^d1-x^Ge^dx^ with varying Ge content and annealing temperature. XRD indicates some deg ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906314

22. A Bayesian Statistical Model for Hybrid Metrology to Improve Measurement Accuracy
Topic: Environment/Climate
Published: 7/31/2011
Authors: Richard M Silver, Nien-Fan Zhang, Bryan M Barnes, Jing Qin, Hui Zhou, Ronald G Dixson
Abstract: We present a method to combine measurements from different techniques that reduces uncertainties and can improve measurement throughput. The approach directly integrates the measurement analysis of multiple techniques that can include different conf ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908377

23. Large-Area Overhead Manipulator for Access of Fields
Topic: Environment/Climate
Published: 7/22/2011
Authors: Jeffrey W White, Roger V Bostelman
Abstract: Multi-axis, cable-driven manipulators have evolved over many years providing large area suspended platform access, programmability, relatively rigid and flexibly- positioned platform control and full six degree of freedom (DOF) manipulation of sensor ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905268

24. Hydrodynamic Fractionation of Finite Size Nano Gold Clusters
Topic: Environment/Climate
Published: 6/15/2011
Authors: De-Hao Tsai, Tae Joon Cho, Frank W DelRio, Julian Santiago Taurozzi, Michael Russel Zachariah, Vincent A Hackley
Abstract: We demonstrate a high resolution in situ experimental method for performing simultaneous size-classification and characterization of functional nanoscale gold clusters (NGCs) based on asymmetric-flow field flow fractionation (AFFF). Field emission sc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908232

25. Development of a multifilament PIT V3Ga conductor for fusion applications
Topic: Environment/Climate
Published: 6/12/2011
Authors: Najib Cheggour, Theodore C Stauffer, Loren F Goodrich, L. R. Motowidlo, J Distin, P. J. Lee, David C. Larbalestier, A. K. Ghosh
Abstract: Previous studies on V3Ga assert its suitability for use in proposed fusion reactors. V3Ga may outperform Nb3Sn in a fusion reactor environment based on its relatively flat critical-current profile in the 15 T- 20 T range, resilience to applied strain ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907009

26. Strain and Magnetization Properties of High Subelement Count Tube-type Nb3Sn Strands
Topic: Environment/Climate
Published: 6/6/2011
Authors: Najib Cheggour, X Peng, E Gregory, M Tomsic, M D Sumption, A. K. Ghosh, Xifeng Lu, Theodore C Stauffer, Loren F Goodrich, Jolene D Splett
Abstract: Abstract—A tubular technique for economical production of Nb3Sn material with large numbers of subelements is being explored by Supergenics I LLC and Hyper Tech Research Inc. The number of subelements was increased to 919 (744 subelements plus 175 Cu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907004

27. Electromagnetic Metrology on Concrete and Corrosion
Series: Journal of Research (NIST JRES)
Topic: Environment/Climate
Published: 6/1/2011
Authors: Sung Kim, Jack Thomas Surek, James R. Baker-Jarvis
Abstract: To go beyond current electromagnetic nondestructive evaluation (NDE) methods for reinforcing bar (rebar) corrosion we are exploring unique magnetic or electric spectral features and whether these might be prominent enough at the concrete cover depth ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907481

28. Electrically Detected Magnetic Resonance in Dielectric Semiconductor Systems of Current Interest
Topic: Environment/Climate
Published: 5/1/2011
Authors: P. M. Lenahan, Corey Cochrane, Jason P Campbell, Jason T Ryan
Abstract: Several electrically detected magnetic resonance techniques provide insight into the physical and chemical structure of technologically significant deep level defects in solid state electronics. Spin dependent recombination is sensitive to deep level ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909230

29. Selective Adsorption of CO2 from Light Gas Mixtures Using a Structurally Dynamic Porous Coordination Polymer
Topic: Environment/Climate
Published: 4/29/2011
Authors: Winnie K Wong-Ng, Andrew John Allen, Laura Espinal, Kristi L Kauffman, Jeffrey T Culp, Angela Goodman, Thomas D Brown, Mark P Bernardo, Russel J Pancoast, Danielle Chirdon, Christopher Matranga
Abstract: The selective adsorption of CO2 from binary mixtures of N2 and CH4 was investigated using a structurally dynamic porous coordination polymer, catena-bis(dibenzoylmethanato)-(4,4’bipyridyl)nickel (II), ‘NiDBM-Bpy’, as the separation sorbent. A third g ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908322

30. Experiments in Parallel Fingerprint Matching - Architectural Implications for Large Scale Fingerprint Matching Evaluation Systems
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7754
Topic: Environment/Climate
Published: 4/18/2011
Authors: Antoine Fillinger, Lukas Diduch, Imad Hamchi, Vincent M Stanford
Abstract: The need for very large fingerprint benchmarks to test the efficacy of emerging commercial technologies for fingerprint minutia detection, matching, compression, and retrieval is well recognized. It is driving more intensive use of networked paralle ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907733