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Displaying 1801 - 1825 of 1947

A Survey of Design ? Analysis Integration Issues

June 1, 2003
Author(s)
Greg Mocko, Steven J. Fenves
The report constitutes a survey of work directed towards the emergence of next-generation product development tools, specifically in the area of design-analysis integration. The report is organized into two main areas: (1) an examination of issues

Spatial Methods for Event Reconstruction in CLEAN

April 9, 2003
Author(s)
Kevin Coakley, D N. Mckinsey
In CLEAN (Cryogenic Low Energy Astrophysics with Noble gases), a proposed neutrino and dark matter detector, background discrimination is possible if one can determine the location of an event with high accuracy. Here, we develop spatial methods for event

Fluorescence Resonance Energy Transfer Between Donor-Acceptor Pair on Two Oligonucleotides Hybridized Adjacently to a DNA Template

January 1, 2003
Author(s)
Lili Wang, Adolfas K. Gaigalas, J L. Blasic, Marcia J. Holden, David T. Gallagher, R Pires
We have used fluorescein as the energy donor and rhodamine as the acceptor to measure the efficiency of fluorescence resonance energy transfer (FRET) in a set of hybridized DNA constructs. The two fluorophores are covalently attached via linkers to two

Virial Coefficients of Pure Gases

August 1, 2002
Author(s)
J H. Dymond, K N. Marsh, R C. Wilhoit, K C. Wong, Michael D. Frenkel
This critical compilation of virial coefficients of pure gases is a sequel to The Virial Coefficients of Pure Gases and Mixtures, by J.H. Dymond and E.B. Smith (Oxford University Press, 1979). This new and enlarged edition was prepared from the virial

LADAR Sensing Applications for Construction

June 1, 2001
Author(s)
Geraldine S. Cheok, William C. Stone
One potential breakthrough technology that stands to revolutionize construction surveying and status monitoring is known as laser range imaging. The device used to obtain the field data is known as a LADAR (Laser Distance and Ranging). With LADAR it is

Stab Resistance of Personal Body Armor

September 1, 2000
Author(s)
Kirk D. Rice
The purpose of this standard is to establish minimum performance requirements and methods of test for the stab resistance of personal body armor intended to protect the torso against slash and stab threats. This standard is based on technical work

Forward

April 1, 1999
Author(s)
Norman B. Belecki
The National Institute of Standards and Technology (NIST) hosted the 1998 Conference on Precision Electromagnetic Measurements (CPEM'98) in the Washington Renaissance Hotel, Washington, DC, the week of July 6-10, 1998. In it, 506 metrologists, physicists

The New NIST Atomic Spectra Database (1999)

March 1, 1999
Author(s)
Daniel E. Kelleher, William C. Martin, Wolfgang L. Wiese, J Sugar, Jeffrey R. Fuhr, Karen J. Olsen, Arlene Musgrove, Peter J. Mohr, Joseph Reader, G R. Dalton
The new NIST Atomic Spectra Database (ASD) interactive Web site is accessible via: http://atm.nist.gov/asd. The new version covers a much wider range of atomic and ionic transitions and energy levels than earlier versions, and all data are integrated. ASD

Proceedings of the First Process Specification Language (PSL) Roundtable

January 1, 1997
Author(s)
Craig I. Schlenoff, Amy Knutilla, Steven R. Ray
On April, 1997, the Process Specification Language (PSL) Project held a Roundtable discussion at the National Institute of Standards and Technology (NIST). The goal of the Roundtable was to assemble key champions and stakeholders of various

Speed of Sound for Understanding Metals in Extreme Environments

October 7, 2024
Author(s)
Elizabeth Rasmussen, Boris Wilthan
Knowing material behavior is crucial to successful design, especially given the growing number of next-generation energy, defense, and manufacturing systems operating in extreme environments. Specific applications for materials in extreme environments

Effects of the Human Presence among Robots in the ARIAC 2023 Industria Automation Competition

July 30, 2024
Author(s)
Leandro Buss Becker, Anthony Downs, Craig I. Schlenoff, Justin Albrecht, Zeid Kootbally, Angelo Ferrando, Rafael Cardoso, Michael Fisher
The ''Agile Robotics for Industrial Automation Competition'' (ARIAC) is an international robotic competition carried out in a simulated factory floor. ARIAC's competitors must perform assembly and kitting tasks by means of controlling four AGVs, one floor

Towards a North Pacific Ocean long-term monitoring program for plastic pollution: A review and recommendations for plastic ingestion bioindicators

August 6, 2022
Author(s)
Matthew Savoca, Susanne Kuhn, Chengjun Sun, Stephanie Avery-Gomm, Anela Choy, Sarah Dudas, Sanghee Hong, David Hyrenbach, Tsung-Hsien Li, Connie Ka-yan Ng, Jennifer Provencher, Jennifer Lynch
Marine debris is now a ubiquitous component of the Anthropocene global ocean. Plastic ingestion by marine wildlife was first reported in the 1960s and since that time, roughly one thousand marine species have been reported to consume this debris. This

The mutation spectrum shapes the spectrum of adaptive substitutions

May 20, 2021
Author(s)
Alejandro Cano, Hana Rozhonova, Arlin B. Stoltzfus, David McCandlish, Joshua Payne
Evolutionary adaptation can be conceived as a series of substitutions representing mutation-fixation events. The changes that are more likely will appear more frequently in the aggregate spectrum of adaptive substitutions. Recent studies establish that
Displaying 1801 - 1825 of 1947
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