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Conferences

Long distance frequency transfer through an optical carrier

August 2, 2009

Author(s)

Paul A. Williams

Fiber optic networks are an attractive means for the remote distribution of highly stable frequencies from optical clocks. The highest performance is achieved...

Key Comparisons in Electrochemistry: Significance to Metrology and Global Trade

July 30, 2009

Author(s)

Kenneth W. Pratt, David L. Duewer

Standard materials certified using electrochemical techniques include many of the most-used certified reference materials (CRMs). These CRMs provide...

Measurement and Standards: The role of NIST

July 29, 2009

Author(s)

Kent B. Rochford

At NIST, said Dr. Rochford, "we are very broad, but we focus like a laser on measurement science." NIST also helps develop standards and promote technology. He...

System Testing Using Use Cases for an ER Simulation Model

July 29, 2009

Author(s)

Guodong Shao

Modeling and simulation (M&S) techniques are increasingly being used to solve problems and aid decision making in many different fields. It is particularly...

Overview of MSA Needs for Homeland Security

July 29, 2009

Author(s)

Charles R. McLean, Sanjay Jain, Yung-Tsun Lee

A number of modeling, simulation and analysis (MSA) efforts have evolved to support homeland security initiatives. Various organizations involved in homeland...

The Effect of Environmental and Mechanical Mechanisms on the Performance of Soft Body Armor

July 27, 2009

Author(s)

Gale A. Holmes, Eun S. Park, Jae Hyun Kim, Walter G. McDonough, John R. Sieber, Haruki Kobayashi, Michael A. Riley, Kirk D. Rice

The use of high performance fibers (such as, poly[(benzo-[1,2-d;5,4-d ]-benzoxazole-2,6-diyl)-1,4-phenylene]1 (PBO), ultra-high molecular weight polyethylene2...

Design of a Python-based Plug-in for Benchmarking Probabilistic Fracture Mechanics Computer Codes with Failure Event Data

July 27, 2009

Author(s)

Jeffrey T. Fong, Roland deWit, Pedro V. Marcal, James J. Filliben, Nathanael A. Heckert, Stephen R. Gosselin

In a 2007 paper entitled "Application of Failure Event Data to Benchmark Probabilistic Fracture Mechanics (PFM) Computer Codes" (Simonen, F. A., Gosselin, S. R...

Automating Data Acquisition on a Mechanical Equal Arm Balance Used in Large Mass Calibrations

July 27, 2009

Author(s)

Kevin L. Chesnutwood

This paper focuses on efforts by the Mass and Force Group at the National Institute of Standards and Technology (NIST) to enhance the data taking operations of...

Artificial Intelligence (AI) Tools for Data Acquisition and Probability Risk Analysis of Nuclear Piping Failure Databases

July 27, 2009

Author(s)

Pedro V. Marcal, Jeffrey Fong, Nobuki Yamagata

Over the last thirty years, much research has been done on the development and application of inservice inspection (ISI) and failure event databases for...

A 10 Volt 'Turn-Key' Programmable Josephson Voltage Standard for DC and Stepwise-Approximated Waveforms

July 26, 2009

Author(s)

Charles J. Burroughs, Alain Rufenacht, Paul D. Dresselhaus, Samuel P. Benz, Mike Elsbury

The output voltage of Programmable Josephson Voltage Standard (PJVS) circuits has reached the 10 V benchmark, which was set over twenty years ago by...

Facial Shape Analysis and Sizing System

July 24, 2009

Author(s)

Afzal A. Godil

The understanding of shape and size of the human head and faces is vital for design of facial wear products, such as respirators, helmets, eyeglasses and for...

Device for Measuring Heat Capacities of Microcalorimeter Absorber Materials

July 24, 2009

Author(s)

Vincent Y. Kotsubo

We are developing a device for measuring the heat capacity of candidate absorber materials for gamma-ray microcalorimeters with the goal of finding materials...

Moisture Attack on Adhesive Joints: Roles of Adhesive and Interface Properties

July 22, 2009

Author(s)

Donald L. Hunston, Kar T. Tan, Sushil K. Satija, Christopher C. White, Bryan D. Vogt, Cyril Clerici

It is well-known that moisture will attack many adhesive joints. A particularly interesting feature is the observation that when the moisture level in certain...

Fast and Secure CBC Type MAC Algorithms

July 21, 2009

Author(s)

Mridul Nandi

The CBC-MAC, or cipher block chaining message authentication code, is a well-known method to generate message authentication codes. Unfortunately, it is not...

Is spam an issue for opinionated blog post search?

July 19, 2009

Author(s)

Ian M. Soboroff, Craig Macdonald, Iadh Ounis

In opinion-finding, the retrieval system is tasked with re- trieving not just relevant documents, but those that also express an opinion towards the query...

Using 3D Head and Respirator Shapes to Analyze Respirator Fit

July 19, 2009

Author(s)

Kathryn M. Butler

A computational approach to analyzing respirator fit is demonstrated using geometries generated by laser scanning, mechanical drawings, and CAD files. Three fit...

Combinatorial Screening of Hydrogel Properties for 3-D Cell Culture: Effect of Stiffness on Encapsulated Osteoblasts

July 15, 2009

Author(s)

Carl G. Simon Jr., Kaushik Chatterjee, Sheng Lin-Gibson, William E. Wallace, Marian F. Young

A combinatorial method to rapidly screen cell-material interactions in three-dimensional (3-D) culture format was developed for accelerating tissue engineering...

Full PMD vector measured directly from modulated data using linear optical sampling

July 15, 2009

Author(s)

Paul A. Williams, Tasshi Dennis

We demonstrate a new technique to monitor the polarization-mode dispersion in a fiber communication channel by analyzing the modulated data at the fiber output...

Degradation and Nanofiller Release of Polymer Nanocomposites Exposed to UV

July 15, 2009

Author(s)

Tinh Nguyen, Bastien T. Pellegrin, Alexander J. Shapiro, Xiaohong Gu, Joannie W. Chin

Nanofillers are increasingly used to enhance multifunctional properties of polymers. However, recent research suggests that nanomaterials may have a negative...

Implementation of a metrology frame to improve positioning of micro/meso-scale machine tools

July 15, 2009

Author(s)

Shawn P. Moylan, Bradley N. Damazo, M A. Donmez

Metrology frames have proven to be an excellent tool for improving the accuracy of machine tools, and because of the small sizes and travels involved, they may...

Robust Volume Calculations of Tumors of Various Sizes

July 13, 2009

Author(s)

Adele P. Peskin, Karen Kafadar, A.M. Santos, Gillian Haemer

Many advances in medicine today require the accurate reading of computerized tomographic (CT) images of the body. Tumors in the lung, for example, are...

Assessing Approaches for Evaluating Remote Heterogeneous Applications

July 13, 2009

Author(s)

Leonard E. Gebase, Robert D. Snelick

We examine several methods for testing disparate, heterogeneous systems that intercommunicate through message exchanges governed by a set of well defined...

A Framework for Testing Distributed Healthcare Applications

July 13, 2009

Author(s)

Robert D. Snelick, Leonard E. Gebase, Gavin W. O'Brien

We present an architectural framework for supporting conformance and interoperability testing among distributed healthcare systems. Healthcare organizations...

Synthetic Lung Tumor Data Sets for Comparison of Volumetric Algorithms

July 13, 2009

Author(s)

Adele P. Peskin, Alden A. Dima, Javier Bernal, David E. Gilsinn, Karen Kafadar

The change in pulmonary nodules over time is an important indicator of malignant tumors. It is therefore important to be able to measure change in the size of...

Intensity dynamics in semiconductor laser arrays

July 13, 2009

Author(s)

Kevin L. Silverman, Mingming M. Feng, Richard P. Mirin, Steven T. Cundiff, Matt Williams, J. Nathan N. Kutz

The dynamics of a five-emitter semiconductor laser array is studied theoretically with steady-state, oscillatory, and chaotic behaviors achieved. This provides...

Rendering UML Activity Diagrams as Human-Readable Text

July 13, 2009

Author(s)

David W. Flater, Philippe A. Martin, Michelle L. Crane

We describe a modification of the Petri Net Linear Form notation to support the rendering of Unified Modeling Language (UML) Activity Diagrams as human-readable...

Lower Bounds for Accessing Information on Pure Pointer Machines

July 13, 2009

Author(s)

Brian D. Cloteaux, Desh Ranjan

We study the complexity of representing an array on a Pure Pointer Machine (PPM) or a pointer machine without arithmetic capabilities. In particular, we show...

The Process of Human Behavior in Fires

July 13, 2009

Author(s)

Erica D. Kuligowski

Evacuation models, including engineering hand calculations and computational tools, are used to evaluate the level of safety provided by buildings during...

Stress-Intensity Factor and Toughness Measurement at the Nanoscale using Confocal Raman Microscopy

July 12, 2009

Author(s)

Robert F. Cook, Yvonne B. Gerbig, Mark D. Vaudin, Jeroen Schoenmaker, Stephan J. Stranick

A confocal Raman microscopy technique is presented that allows stress measurement at the nanoscale, which in turn enables measurement of stress-intensity...

Access Specification and Validation Framework for Secure Smart ID Cards Deployment

July 10, 2009

Author(s)

Ramaswamy Chandramouli, Stephen Quirolgico

Deployment of smart cards as identity tokens (Smart ID Cards) requires the support of an enterprise system called Identity Management System (IDMS) for...

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