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Search Publications

NIST Authors in Bold

Displaying 11926 - 11950 of 13225

Dynamically Generating Conformance Tests for Messaging Systems

June 26, 2006
Author(s)
Robert D. Snelick, Leonard E. Gebase, Sydney Henrard
… advent of XML technologies for data exchange negotiations in B2B applications is proliferating a new class of messaging … are dynamically created after design-time and factor in unique characteristics of an implementation. This …

Learning in a Hierarchical Control System: 4D/RCS in the DARPA LAGR Program

June 26, 2006
Author(s)
James S. Albus, Roger V. Bostelman, Tommy Chang, Tsai H. Hong, William P. Shackleford, Michael O. Shneier
… autonomous vehicle navigation that learn how to operate in com-plex terrain. Over many years, the National Institute of Standards and Technology (NIST) has developed a reference model control … into a 4D/RCS controller to enable the small robot used in the program to learn to navigate through a range of …

Calibration and Characterization of a Low-Background Chamber in Support of Hardware-in-the-Loop Testing and Modeling of Infrared Seekers

April 21, 2006
Author(s)
Richard D. Tschiegg, Steven J. Conard, Patrick L. Thompson, Adriaan C. Carter
… The authors have worked in the past year on integration, characterization and … by JHU/APL and the National Institute of Standards and Technology (NIST). In particular, this includes a description of the calibration … and Characterization of a Low-Background Chamber in Support of Hardware-in-the-Loop Testing and Modeling of …

A Summary of Lightpipe Radiation Thermometry Research at NIST

April 1, 2006
Author(s)
Benjamin K. Tsai
… During the last ten years, research in lightpipe radiation thermometry has significantly reduced the uncertainties for temperature measurements in semiconductor processing. The National Institute of Standards and Technology (NIST) has improved the calibration of lightpipe …

Single electron tunnelling transistor with tunable barriers using silicon nanowire MOSFET

March 7, 2006
Author(s)
Akira Fujiwara, Hiroshi Inokawa, Kenji Yamazaki, Hideo Namatsu, Yasuo Takahashi, Neil M. Zimmerman, Stuart Martin
… we can have various configurations of charge islands in a single device; we observed the systematic evolution from a single island to double islands. Also, in spite of a number of efforts to fabricated silicon SET … designable to build a variety of SET devices based on CMOS technology. …

A Single Discharge Study of Micro-EDM

January 1, 2006
Author(s)
Shawn P. Moylan
… Micro-Electro-Discharge Machining (micro-EDM) is gaining in popularity within the micro- and meso-scale machining … is very well suited to machining small, intricate features in any type of conductive material because material removal … proposed that the micro-EDM process is bound by existing technology rather than any physical limitations. …

Electron Probe Microanalysis with Cryogenic Detectors

July 9, 2005
Author(s)
Dale E. Newbury, Kent D. Irwin, Gene C. Hilton, David A. Wollman, John A. Small, John M. Martinis
… high current density electron beam, 5 keV to 30 keV in energy, to excite characteristic x-rays from a picogram … complementary. Nevertheless, existing EPMA/WDS/EDS technology has limitations which become extreme when applied … EDS achieves impressive performance for EPMA in terms of resolving key elemental interferences, detecting …

Uncertainty reporting for experimental thermodynamic properties

January 13, 2005
Author(s)
Qian Dong, Robert D. Chirico, Xinjian Yan, X Hong, Michael D. Frenkel
… This paper reviews practices in the expression of uncertainty in the experimental literature for thermodynamic property … nature and extent of uncertainty estimations have changed in this time period, and to document the extent to which the …

Uncertainty Reporting for Experimental Thermodynamic Properties

January 1, 2005
Author(s)
Qian Dong, Robert D. Chirico, Xinjian Yan, X Hong, Michael D. Frenkel
… This paper reviews practices in the expression of uncertainty in the experimental literature for thermodynamic property … nature and extent of uncertainty estimations have changed in this time period, and to document the extent to which the …

XML Schema Validation Process for CORE.GOV

December 1, 2004
Author(s)
KC Morris, Boonserm Kulvatunyou, Simon P. Frechette, Joshua Lubell, Puja Goyal
… semantic models typically evolve and require maintenance. In addition, to promote interoperability and reduce … CORE.GOV components must be consistent and valid in terms of agreed upon standards and guidelines. In this paper, we describe an activity model for validation …

Comparative Measurements of Slovenian and USA Rockwell C Hardness Scales

June 1, 2004
Author(s)
A -. Stibler, Samuel Low, R -. Ellis
… hardness scale representing the reference hardness values in each country. From metrological and international trade … during hardening process of steel, which is often applied in industry.In this paper comparative measurements between … USA as measured by the National Institute of standards and Technology (NIST) and the scale set up by a producer of …

Recommendation for the Triple Data Encryption Algorithm (TDEA) Block Cipher

May 1, 2004
Author(s)
William C. Barker
… an important responsibility of every Federal organization in providing adequate security to its electronic data … the Data Encryption Algorithm (DEA). When implemented in an SP 800-38 series-compliant mode of operation and in a FIPS 140-2 compliant cryptographic module, TDEA may be …

Comparative Specular X-Ray Reflectivity, Positron Annihilation Lifetime Spectroscopy, and Incoherent Neutron Scattering Measurements of the Dynamics in Thin Polycarbonate Films

April 1, 2004
Author(s)
Christopher L. Soles, Jack F. Douglas, Wen-Li Wu, H G. Peng, D W. Gidley
… The manner in which the dynamics of a polymer are affected by thin film … adhesives, and chemically amplified photoresists. In this manuscript we use specular X-ray reflectivity (SXR), … temperature Tg and the thermal expansion coefficients in an identical set of thin polycarbonate (PC) films. Both …

Cost-Effective Responses to Terrorist Risks in Constructed Facilities

March 1, 2004
Author(s)
Robert E. Chapman, C J. Leng
… of responding to potential future terrorist attacks in a financially responsible manner. The Office of Applied Economics (OAE) in the Building and Fire Research Laboratory at the National Institute of Standards and Technology, has developed a methodology to evaluate the …

Strategies and Practicalities in the Production and Use of Gas Isotope Standard Materials

February 1, 2004
Author(s)
R M. Verkouteren
… Isotopic Reference Materials (RMs) are a critical component in the assurance of laboratory analytical quality, and have been applied to growing needs in environmental monitoring, medical and industrial … been developed at the National Institute of Standards and Technology (NIST) in accordance with guidelines of the …

Guideline on Network Security Testing

October 15, 2003
Author(s)
John P. Wack, Miles C. Tracy, Murugiah P. Souppaya
… managers, functional managers, and other information technology (IT) staff members who deal with systems … This document provides guidance to assist organizations in avoiding redundancy and duplication of effort by providing … and organizations should consult the references provided in this document as well as vendor production descriptions …

Evaluation of One- and Two-Sided Geometric Fitting Algorithms in Industrial Software

September 1, 2003
Author(s)
Craig M. Shakarji
… Recent work in testing and comparing maximum-inscribed, … algorithms indicates that serious problems can exist in present commercial software packages for coordinate … Efforts at the National Institute of Standards and Technology (NIST) have been made to address software that …

Experimental And Numerical Evaluation Of GaseousAgents For Suppressing Cup-Burner Flames In Low-Gravity

June 1, 2003
Author(s)
F Takahashi, Gregory T. Linteris, V Katta
… to improve the flammability characterization ofmaterials in low gravity; however, very little research has been … the physical and chemicalprocesses of fire suppression in various gravity and O2 levels simulating spacecraft, Mars, … researchresults useful for advances in space fire safety technology, including new fire-extinguishingagents and …

Optical Frequency Standards and Measurement

April 1, 2003
Author(s)
John L. Hall, Jun Ye
… This paper celebrates the progress in optical frequency standards and measurement, won by the 40 years of dedicated work of world-wide teams working in frequency standards and frequency measurement. Amazingly, … now being offered by optical system. The new magic technology underlying the rf/optical connection is the …

Current Projects in Display Metrology at the NIST Flat Panel Display Laboratory

February 1, 2003
Author(s)
Paul A. Boynton, Edward F. Kelley, John M. Libert
… Metrology Project (DMP) of the Electronic Information Technology Group in the Electricity Division of the Electronics and Electrical … The DMP works to develop and refine measurement procedures in support of ongoing electronic display metrology, and … Current Projects in Display Metrology at the NIST Flat Panel Display Laboratory …

Performance Evaluation of a Prototype Machine Tool for Machining Meso-scaled Parts

January 1, 2003
Author(s)
Bradley N. Damazo, M A. Donmez, Michael L. McGlauflin, J B. Werkmeister, Johannes A. Soons, S C. Bryant, Alex Slocum
… levels, etc.) are difficult if not impossible to use in very small work volumes. This paper describes a prototype … Metrology Group at the National Institute of Standards and Technology (NIST). This project is focused on developing new …

Cement and Concrete Reference Laboratory: Promoting Quality in Laboratory Testing

November 1, 2002
Author(s)
J H. Pielert
… In the early part of the 20th century, a number of … including ASTM, the National Institute of Standards and Technology (NIST), and the Portland Cement Association collaborated in activities to improve and standardize specifications and … Cement and Concrete Reference Laboratory: Promoting Quality in Laboratory Testing …

Design Concepts for a New Guarded Hot Plate Apparatus for Use Over an Extended Temperature Range

October 1, 2002
Author(s)
D R. Flynn, Robert R. Zarr, Mahn-Hee Hahn, William M. Healy
… The National Institute of Standards and Technology is building a new guarded hot plate apparatus … from 90 K to 900 K, with provision to conduct tests in various gases at controlled pressures from 0.013 Pa to … new NIST GHP include: enclosure of the entire apparatus in a vacuum chamber; solid metal hot plates and cold surface …
Displaying 11926 - 11950 of 13225
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