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Displaying records 51 to 60 of 245 records.
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51. A test method for monitoring changes during durability tests on building joint sealants
Topic: Environment/Climate
Published: 2/8/2012
Authors: Christopher C White, Donald Lee Hunston, Kar T. Tan
Abstract: The durability of building joint sealants is generally assessed using a descriptive methodology involving visual inspection for defects. It is widely known that this methodology has many inherent limitations and is only qualitative in nature. A new ...

52. Ultrafast Demagnetization Measurements using Extreme Ultraviolet Light: Comparison of Electronic and Magnetic Contributions
Topic: Environment/Climate
Published: 1/23/2012
Authors: Thomas J Silva, Justin M Shaw, Hans Toya Nembach, Margaret M. Murnane, Henry C. Kapteyn, Chan La-O-Vorakiat, Stefan Mathias, Emrah Turgut, Teale A. Carson, Martin Aeschlimann, Claus M. Schneider
Abstract: Ultrashort pulses of extreme ultraviolet light from high-harmonic generation are a new tool for probing coupled charge, spin, and phonon dynamics with element specificity, attosecond pump-probe synchronization, and time resolution of a few-femtosecon ...

53. Absorption Coefficient of Particle-Laden Filters using the Laser Heating: Validation with Nigrosin
Topic: Environment/Climate
Published: 1/22/2012
Author: Cary Presser
Abstract: A novel laser-heating technique, referred to as the laser-driven thermal reactor, was used in conjunction with laser transmission to determine the absorption coefficient (and imaginary part of the refractive index) of aggregated particles on substrat ...

54. Interlaboratory Analytical Comparison Study to Support Deepwater Horizon Natural Resource Damage Assessment: Description and Results for Marine Sediment QA10SED01
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7792
Topic: Environment/Climate
Published: 11/2/2011
Authors: Michele Miller Schantz, John Kucklick
Abstract: To support natural resource damage assessment (NRDA) in response to the Deep Water Horizon (DWH) oil spill in the Gulf of Mexico, a large number of coastal sediment and tissue samples (i.e., oysters) have been collected to define baseline environme ...

55. Strategies for Nanoscale Contour Metrology using Critical Dimension Atomic Force Microscopy
Topic: Environment/Climate
Published: 9/30/2011
Authors: Ndubuisi George Orji, Ronald G Dixson, Andras Vladar, Michael T Postek
Abstract: Contour metrology is one of the techniques used to verify optical proximity correction (OPC) in lithography models. The use of these methods, which are known as resolution enhancement techniques (RET), are necessitated by the continued decrease in f ...

56. Service Life Prediction for Sealants
Topic: Environment/Climate
Published: 9/29/2011
Authors: Christopher C White, Donald Lee Hunston, Kar T. Tan, James J Filliben
Abstract: Previous industry consensus postulated that four elements of the weather: Temperature, Humidity, Ultraviolet Radiation, and Mechanical loading were responsible for the majority of the changes observed in sealants exposed to outdoor weathering. The N ...

57. 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 ...

58. 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 ...

59. 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 ...

60. 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 ...

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