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NIST Authors in Bold

Displaying 36201 - 36225 of 73697

MPEG-A: A Step Forward in MPEG Standardization

August 1, 2005
Author(s)
Diepold Klaus, F Pereira, Wo L. Chang
MPEG standards are shaping the multimedia landscape since the beginning of the nineties. After the MPEG-1, MPEG-2, and MPEG-4 multimedia coding standards, the MPEG-7 content description standard and the MPEG-21 multimedia framework standard, MPEG is taking

New NIST Reference Goniospectrometer

August 1, 2005
Author(s)
Gael Obein, Robert R. Bousquet, Maria E. Nadal
Coatings can be classified by either their appearance, such as glitter, or by their function, such as corrosion protection. However, pigments are currently being manufactured with new and unique appearance attributes that can not be characterized by

NIST Realization of the ITS-90 Gallium Fixed Point

August 1, 2005
Author(s)
Gregory F. Strouse
As defined by the International Temperature Scale of 1990 (ITS-90), the gallium melting-point cell (29.7646 C) is used in the calibration of standard platinum resistance thermometers (SPRTs) for the ITS-90 subranges from 39 C to 30 C and from 0 C to 30 C

Object-Oriented Application Framework for IEEE 1451.1 Standard

August 1, 2005
Author(s)
Eugene Song, Kang B. Lee
The National Institute of Standards and Technology (NIST) smart sensor project focuses on the development and support of the IEEE 1451 Smart Transducer Interface Standard for Sensors and Actuators. One of the main objectives of this project is to provide

On the Toughness of the Pentagon Structure

August 1, 2005
Author(s)
Paul K. Mlakar, D O. Dusenberry, J R. Harris, G A. Haynes, Long Phan, M A. Sozen
On 11 September 2001, the reinforced concrete structure of the Pentagon Building was able to resist, without collapse, the impact of a large commercial airliner despite the total loss of 26 columns and severe damage to 15 columns at the ground level. The

Overview of the TREC 2004 Novelty Track

August 1, 2005
Author(s)
Ian M. Soboroff
TREC 2004 marks the third and final year for the Novelty Track. The task is as follows: Given a TREC topic and an ordered list of documents, systems must find relevant and novel sentences that should be returned to the user from this set. This task

Overview of the TREC 2004 Question Answering Track

August 1, 2005
Author(s)
Ellen M. Voorhees
The TREC 2004 Question Answering track contained a single task in which question series were used to define a set of targets. Each series contained factoid and list questions and related to a single target. The final question in the series was an Other

Overview of the TREC 2004 Robust Retrieval Track

August 1, 2005
Author(s)
Ellen M. Voorhees
The robust retrieval track explores methods for improving the consistency of retrieval technology by focusing on poorly performing topics. The retrieval task in the track is a traditional ad hoc retrieval task where the evaluation methodology emphasizes a

Overview of TREC 2004

August 1, 2005
Author(s)
Ellen M. Voorhees
This report provides an overview of the thirteenth Text REtrieval Conference, TREC 2004. TREC 2004 was held at the National Institute of Standards and Technology (NIST) November~16--19, 2004. The conference was co-sponsored by NIST, the U.S. Department of

Pore Pressure in High-Strength Concrete at High Temperature

August 1, 2005
Author(s)
Long T. Phan
This paper presents results of an experimental program to study the effects of elevated temperature exposure on pore pressure buildup and potential for explosive spalling in normal strength (NSC) and high-strength concrete (HSC). Thermally-induced pore

R-22 Replacement Status (in Polish)

August 1, 2005
Author(s)
J M. Calm, Piotr A. Domanski
Since its initial recognition in 1928 and commercialization in 1936, R-22 has been applied in systems ranging from the smallest window air conditioners to the largest chillers and heat pumps, including those for district cooling and heating. Individual

Response to Fire Exposure of the Pentagon Structural Elements

August 1, 2005
Author(s)
Paul K. Mlakar, D O. Dusenberry, J R. Harris, G A. Haynes, Long Phan, M A. Sozen
An overview of fire damage sustained by the Pentagon structural elements in the September 11, 2001, terrorist attack is provided. The fire intensity in some compartments of the affected areas inside the Pentagon was approximated to be between those of the

September 11, 2001, Airliner Crash Into the Pentagon

August 1, 2005
Author(s)
Paul K. Mlakar, D O. Dusenberry, J R. Harris, G A. Haynes, Long Phan, M A. Sozen
The Pentagon was constructed between September 1941 and January 1943. A substantial renovation of the entire 6.6 million sq ft (610 thousand sq m) facility began in 1999 and is scheduled for completion in 2010. On September 11, 2001, a hijacked commercial

Similarity Based Retrieval from a 3D Human Database

August 1, 2005
Author(s)
Afzal A. Godil, Sanford P. Ressler
In this paper, we describe a framework for similarity based retrieval from a 3D human database. Our technique is based on both body and head shape representation and retrieval based on similarity of both of them. The 3D human database used in our study is

Sources of Uncertainties in Prompt Gamma-Ray Activation Analysis

August 1, 2005
Author(s)
Elizabeth A. Mackey, Rick L. Paul, Richard M. Lindstrom, David L. Anderson
Two prompt gamma-ray activation analysis (PGAA) facilities at the NIST Center for Neutron Research have been used routinely to perform elemental analyses of a variety of materials. Results from these analyses are usually expressed as mass fraction values

Stabilization of SPRTs for ITS-90 Calibrations

August 1, 2005
Author(s)
Dennis B. Minor, Gregory F. Strouse
At the National Institute of Standards and Technology (NIST), the ITS-90 calibration of standard platinum resistance thermometers (SPRTs) is performed in the Platinum Resistance Thermometer Calibration Laboratory over the temperature range from -189 C to
Displaying 36201 - 36225 of 73697
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