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Displaying 44776 - 44800 of 73960

Reliability of Lead-Free Solders

December 1, 2001
Author(s)
C A. Handwerker, D Noctor, G Whitten
In the assessment of the performance of lead-free solders, the most important question is how well these materials perform under conditions of thermomechanical fatigue. Eutectic tin-lead solders have a long history of acceptable performance with an

SCATMECH: Polarized Light Scattering C++ Class Library (Version 2.00)

December 1, 2001
Author(s)
Thomas A. Germer
A C++ object class library has been developed to distribute models for polarized light scattering from surfaces. It is the intent of this library to allow researchers in the light scattering community to fully utilive the models described in several

Segmentation for Robust Tracking in the Presence of Severe Occlusion

December 1, 2001
Author(s)
Camillo Gentile, M Sznaier, O Camps
Tracking an object in a sequence of images can fail due to partial occlusion or clutter. Robustness can be increased by tracking a set of ¿parts¿, provided that a suitable set can be identified. In this paper we propose a novel segmentation, specifically

Software for Viewing and Converting Digital Cinema Materials

December 1, 2001
Author(s)
Charles D. Fenimore, A I. Nikolaev
Digital cinema (d-cinema) is the highest quality electronic motion imagery for entertainment. The cinema is presented in a theatrical environment, with high brightness projectors, high rate data transfer, and high resolution color imagery. The

Special Issue - Crystallography at NIST/NBS

December 1, 2001
Author(s)
Alan D. Mighell, Winnie K. Wong-Ng
The Centennial Celebration of the National Institute of Standards and Technology (NIST), formerly known as the National Bureau of Standards (NBS), takes place in the year 2001. NIST has a long history (> 50 years) of crystallographic research, and has made

Structure and Morphology Development in Syndiotactic Polypropylene During Isothermal Crystallization and Subsequent Melting

December 1, 2001
Author(s)
Z G. Wang, X H. Wang, B S. Hsiao, R A. Phillips, Brian Rodriguez, S Srinivas, Haonan Wang, Charles C. Han
Structure and morphology development during isothermal crystallization and subsequent melting of syndiotactic polypropylene (sPP) was studied by time-resolved simultaneous small-angle X-ray scattering (SAXS) and wide-angle X-ray diffraction (WAXD) methods

Structures of Biological Minerals in Dental Research

December 1, 2001
Author(s)
M Mathew, Shozo Takagi
Structural features of some calcium phosphates of biological interest are described. Structure of hydroxyapatite (OHAp), considered as the prototype for the inorganic component of bones and teeth is discussed with respect to the kinds and locations of

Suppression of Fires Exposed to an External Radiant Flux

December 1, 2001
Author(s)
Michelle K. Donnelly, William L. Grosshandler
When materials are burning in the presence of a continuous, external energy source, they are often more difficult to extinguish and may require an increase in suppression agent to extinguish the fire. This situation could exist for class C fires involving

The 1.27 m O 2 Continuum Absorption in O 2 /CO 2 Mixtures

December 1, 2001
Author(s)
Gerald T. Fraser, Walter J. Lafferty
The collision-induced, near-infrared O 2 continuum band overlapping the weak α 1δg - X 3ς- g, v=O -0, 1.27 m discrete band of O 2 has been investigated in O 2/CO 2 mixtures at room temperature (T=296 K) for total densities from 1.8 to 9.3 times that of an

The Formation of Whiskers on Electroplated Tin

December 1, 2001
Author(s)
Kil-Won Moon, Maureen E. Williams, C E. Johnson, Gery R. Stafford, C A. Handwerker, William J. Boettinger
ta is presented on the probability of whisker growth on as-grown tin (Sn) electrodeposits as a function of Cu concentration in the electrolye. A commercial bright methanesulfonate electrolyte was employed at 25 degreesC with copper (Cu) concentrations from

The NIST Speaker Recognition Evaluations: 1996-2001

December 1, 2001
Author(s)
Alvin F. Martin, Mark A. Przybocki
We discuss the history and purpose of the NIST evaluations of speaker recognition performance. We cover the sites that have participated, the performance measures used, and the formats used to report results. We consider the extent to which there has been

The Prediction of Permeability for an Epoxy/E-Glass Composite Using Optical Coherence Tomographic Images

December 1, 2001
Author(s)
Joy Dunkers, Frederick R. Phelan Jr., C G. Zimba, Kathleen M. Flynn, D P. Sanders, R C. Peterson, Richard~undefined~undefined~undefined~undefined~undefined Parnas
Knowledge of the permeability tensor in liquid composite molding is important for process optimization. Unfortunately, experimental determination of permeability is difficult and time consuming. A rapid, non-destructive technique called optical coherence

Thermochemistry of the Reaction {Phosphoenolpyruvate(aq) + D-Erythrose 4-Phosphate(aq) + H 2 O(1) = 2-Dehydro-3-Deoxy-D-Arabino-Heptonate 7-Phosphate(aq) + Phosphate(aq)}

December 1, 2001
Author(s)
Yadu D. Tewari, N Kishore, R H. Bauerle, W R. LaCourse, Robert N. Goldberg
Microcalorimetry and high-performance liquid chromatography (h.p.l.c.) have been used to conduct a thermodynamic investigation of the biochemical reaction {phosphoenolpyruvate(aq) + D-erythrose 4-phosphate(aq) + H 2O(l) = 2-dehydro-3-deoxy-D-arabino

Thin Film Confinement Effects on the Thermal Properties of Model Photoresist Polymers

December 1, 2001
Author(s)
Christopher L. Soles, Eric K. Lin, Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, Ronald L. Jones, Wen-Li Wu, D L. Goldfarb, M Angelopoulos
The demand to print increasingly smaller microelectronic device features means that the thickness of the polymer films used in the lithographic processes must decrease. The thickness of these films is rapidly approaching the unperturbed dimensions of the

Towards a Global Agenda for Fire Research

December 1, 2001
Author(s)
J E. Snell
The Forum for International Cooperation on Fire Research, FORUM, was established about 14 years ago as an informal organization to provide a means for sharing on mutual issues and needs, communication, and cooperation among the world's leaders of fire

Turkish Population Data With the CODIS Multiplex Short Tandem Repeat Loci

December 1, 2001
Author(s)
B S. Akbasak, B. Budowle, D J. Reeder, J Redman, Margaret C. Kline
Allele frequencies for thirteen tetrameric short tandem repeat (STR) loci, CSF1PO, D18S51, D3S1358, D21S11, D5S818, FGA, D7S820, HUMTH01, D8S1179, TPOX, D13S317, VWA, and D16S539 were determined on 198 Turkish blood samples.
Displaying 44776 - 44800 of 73960
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