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Displaying records 41 to 50 of 229 records.
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41. Linking Degree of Filler Dispersion to Photodegradation Rate in a NanoTiO2-Latex Coating: An Accelerated Weathering Study
Topic: Environment/Climate
Published: 9/4/2011
Authors: Li Piin Sung, Yongyan Pang, Stephanie S Watson
Abstract: The objective of this study is to investigate the influence of the filler dispersion of nano-TiO2 in polymeric coatings on the surface morphology evolution of the coatings under UV exposure. Two types of nano-TiO2 with different surface treatments we ...

42. 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 ...

43. A Bayesian Statistical Model for Hybrid Metrology to Improve Measurement Accuracy
Topic: Environment/Climate
Published: 7/31/2011
Authors: Richard M Silver, Nien F 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 ...

44. Hydrodynamic Fractionation of Finite Size Nano Gold Clusters
Topic: Environment/Climate
Published: 6/15/2011
Authors: De-Hao D. Tsai, Tae Joon Cho, Frank W DelRio, Julian S. 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 ...

45. Development of a multifilament PIT V3Ga conductor for fusion applications
Topic: Environment/Climate
Published: 6/12/2011
Authors: Najib Cheggour, Theodore C Stauffer, Loren Frederick 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 ...

46. Physicochemical characterization and in vitro hemolysis evaluation of silver nanoparticles
Topic: Environment/Climate
Published: 6/7/2011
Authors: Vytautas Reipa, Jonghoon Choi, Nam Sun Wang, Victoria M. Hitchins, Peter L. Goering, Robert Malinauskas
Abstract: In anticipation of the increased use of various forms of silver as an antimicrobial agent in medical devices, the objective of this study was to evaluate the in vitro hemolytic potential of silver nanoparticles in dilute human blood, and to relate pa ...

47. 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 Frederick 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 ...

48. Electromagnetic Metrology on Concrete and Corrosion
Series: Journal of Research (NIST JRES)
Topic: Environment/Climate
Published: 6/1/2011
Authors: Sung Kim, Jack T 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 ...

49. DMSC Rallies at IMTS 2010, and frequently asked questions
Topic: Environment/Climate
Published: 3/21/2011
Author: William G Rippey
Abstract: The Dimensional Metrology Standards Consortium (DMSC) marketing roadshow converged on the International Manufacturing Technology Show (IMTS) 2010 in Chicago this past September. Buoyed by many supporters, the organization showed the importance of dim ...

50. The Role of Service Life Prediction In Sustainability Determinations
Topic: Environment/Climate
Published: 2/14/2011
Authors: Christopher C White, Kar T. Tan, Donald Lee Hunston
Abstract: Sustainability calculations are based on assumptions about the energy required to produce, transport place in-service items. A critical component of these calculations is the expected service life of the material, component or system. Estimates of t ...

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