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Displaying 4551 - 4575 of 17264

Calculations of electron stopping powers for 41 elemental solids over the 50 eV to 30 keV range with the full Penn algorithm

September 19, 2011

Author(s)

Cedric J. Powell, David R. Penn, H Shinotsuka, Shigeo Tanuma

… calculated with the single-pole approximation, previous SP calculations, and experimental SPs. Generally satisfactory …

RCS: A Cognitive Architecture for Intelligent Multi-Agent Systems

July 7, 2004

Author(s)

James S. Albus, Tony Barbera

… agents each containing elements of sensory processing (SP), world modeling (WM), value judgment (VJ), behavior …

Simulation of Sheared Suspensions With a Parallel Implementation of Quaternion-Based Dissipative Particle Dynamics (QDPD)

April 1, 2004

Author(s)

James S. Sims, Nicos Martys

A quaternion-based dissipative particle dynamics (QDPD) program was developed to study the flow properties of complex fluids like suspensions, subject to shear. To overcome CPU speeds limiting the size and complexity of the simulations that can be carried

New Degenerate Metal-Oxide Electrodes for Nearly Reversible Direct Electron Transfer to the Redox Proteins

April 1, 2002

Author(s)

Gintaras Valincius, Vytautas Reipa, M P. Mayhew, V L. Vilker

… transfer for the [2Fe-2S] proteins spinach ferredoxin (Sp fd) and putidaredoxin (Pdx), and the well-studied heme …

Spin Polarized Inverse Photoemission Studies of Surface Magnetism and Electron Structure

January 1, 1986

Author(s)

Daniel T. Pierce, A Seiler, J Pena, Robert Celotta

… the ferromagnetism in Ni can be directly observed, as can sp states which are spin slit as an indirect consequence (via …

Interoperability Analysis Tool for IEC 61850-9-2 Standard-based Merging Units

February 18, 2019

Author(s)

Yuyin Song, Gerald J. FitzPatrick, Kang B. Lee, Avi M. Gopstein

… International Electrotechnical Commission (IEC) 61850-9-2 standard-based merging units (MUs). This paper introduces a … Interoperability Analysis Tool for IEC 61850-9-2 Standard-based Merging Units …

A Human Urine Standard Reference Materials for Accurate Assessment of Arsenic Exposure

March 17, 2011

Author(s)

Lee L. Yu, Carl Verdon, William C. Davis, Gregory C. Turk, Kathleen Caldwell, Robert Jones, Brian Buckley, Ruimin Xie

… temperature (< -70 °C), and oxygen-free environment. A new Standard Reference Material® (SRM) 2669 Arsenic Species in … A Human Urine Standard Reference Materials for Accurate Assessment of …

Concordant inter-laboratory derived concentrations of ceramides in human plasma reference materials via authentic standards

October 3, 2024

Author(s)

Tracey Schock, Christina Jones, Federico Torta, Nils Hoffmann, Bo Burla, Irina Alecu, Makoto Arita, Takeshi Bamba, Steffany A.L. Bennett, Justine BERTRAND-MICHEL, Britta Brugger, Monica Molina, Maria Dolores Camacho Munoz, Antonio Checa, Michael Chen, Michelle Cinel, Benoit COLSCH, Cristina Coman, Bebiana Da Costa Sousa, Alex Dickens, Maria Maria, Finnur Freyr Eiriksson, Hector Gallart-Ayala, Mohan Ghorasaini, Martin Giera, Xue Guan, Mark Haid, Thomas Hankemeier, Amy Harms, Marcus Horing, Michal Holcapek, Thorsten Hornemann, Chunxiu Hu, Andreas Hulsmeier, Julijana Ivanisevic, Harald Kofeler, Sin Man Lam, Jong Cheol Lee, Gerhard Liebisch, Andrea F Lopez-Clavijo, Malena Manzi, Peter Meikle, Maria Monge, Sneha Muralidharan, Anna Nicolaou, Valerie O'Donnell, Matej Oresic, Arvind Ramanathan, Daisuke Saigusa, Heidi Schwartz-Zimmermann, Guanghou Shui, Masatomo Takahashi, Margret Thorsteinsdottir, Anthony Tournadre, Hiroshi Tsugawa, Victoria Tyrrell, Grace van der Gugten, Michael Wakelam, Craig Wheelock, Denise Wolrab, Guowang Xu, John Bowden, Kim Ekroos, Robert Ahrends, Markus Wenk

… 19 countries, utilizing mixtures of authentic synthetic standards, to quantify by mass spectrometry four ceramide … we demonstrate that calibration using authentic standards dramatically reduces data variability originating … in human plasma reference materials via authentic standards …

Building Tactical Information System for Public Safety OfficialsIntelligent Building Response (iBR)

January 2, 2006

Author(s)

David G. Holmberg, William D. Davis, Stephen J. Treado, K A. Reed

… project begins the process of developing technology and standards to realize this vision. A workshop was held in May, … has already been incorporated into proposed presentation standards, and also used by manufacturers of systems to … of a project funded via the NIST Office of Law Enforcement Standards. …

Use of higher order Heydemann-Welch model to characterize a controlled clearance piston gauge

October 17, 2012

Author(s)

Douglas A. Olson, Shaker A. Gelany, Alaaeldin A. Eltawil

We present measurements on characterizing a new controlled-clearance piston gauge made by Ruska (Fluke Calibration) which has a 290 MPa maximum pressure and a nominal piston diameter of 3.27 mm. We tested the piston gauge to jacket pressures of over 80 %

Assessment of Serum Total 25 Hydroxyvitamin D Assay Commutability of Standard Reference Materials and College of American Pathologists Accuracy Based Vitamin D (ABVD) Scheme and Vitamin D External Quality Assessment Scheme (DEQAS) Materials: Vitamin D Sta

July 1, 2021

Author(s)

Johanna Camara, Stephen A. Wise, Andrew Hoofnagle, Emma L. Williams, Graham D. Carter, Julia C. Jones, Carolyn Burdette, Grace Hahm, Federica Nalin, Adam J. Kuszak, Joyce M. Merkel, Ramon Durazo-Arvizu, Pierre Lukas, E. Cavalier, Christian Popp, Christian Beckert, Jan Schultess, Glen Van Slooten, Carole Tourneur, Camille Pease, Ravi Kaul, Alfredo Villarreal, Fiona Ivison, Ralf Fischer, Jody M. van den Ouweland, Chung S. Ho, Emmett W. Law, Jean-Nicolas Simard, Renaud Gonthier, Brett Holmquist, Marcelo C. Batista, Heather Pham, Alex Bennett, Sarah Meadows, Lorna Cox, Eugene Jansen, Dilshad A. Khan, Kimberly Robyak, Michael H. Creer, Mark Kilbane, Patrick J. Twomey, James Freeman, Neil Parker, Jinyun Yuan, Robert Fitzgerald, Sohail Mushtaq, Michael W. Clarke, Norma Breen, Christine Simpson, Christopher T. Sempos

… Standardization Program (VDSP) to assess commutability of Standard Reference Materials® (SRMs) and proficiency … of Serum Total 25 Hydroxyvitamin D Assay Commutability of Standard Reference Materials and College of American …

Report of Investigation: Reference Material 8090 - SEM Magnification Calibration Reference Material

August 9, 1995

Author(s)

Michael T. Postek, R Gettings

Reference Material (RM) 8090 is intended primarily for use in calibrating the magnification scale of a scanning electron microscope (SEM) over a wide range of magnifications, from less than 100X to greater than 300,000X. RM 8090 contains structures in both

Quantifying Usability: The Industry Usability Reporting Project

July 1, 2002

Author(s)

Jean C. Scholtz, Emile L. Morse, Sharon J. Laskowski, A Wishansky, K Butler

The paper describes the Common Industry format (CIF) developed in the Industry Usability Reporting Project (IUSR), which is now an ANSI standard. Four pilot studies conducted to verify the usefulness of the CIF are also described.

Technical Accomplishments: Information Technology Laboratory 1998

October 1, 1998

Author(s)

Elizabeth B. Lennon, K K. Simon

… a research component of the National Institute of Standards and Technology. Covering fiscal year 1998, the …

State-of-the-Art Comparability of Corrected Emission Spectra-Part II: Peer-toPeer Assessment of Calibration Performance Using Spectral Fluorescence Standards

February 28, 2012

Author(s)

Paul C. DeRose, Joanne C. Zwinkels, Bernd Ebert

… the aid of commercially available spectral fluorescence standards, in part II of this study, twelve field … operation procedure provided with the fluorescence standards and used this emission correction curve for the … of Calibration Performance Using Spectral Fluorescence Standards …

Security in ISDN

September 1, 1991

Author(s)

William E. Burr

… The Integrated Services Digital Network (ISDN) standards will provide worldwide digital communications … how security features may be added. ISDN security standards should take advantage of, and be compatible with, emerging standards for Open System Interconnection (OSI) security. …

Research on Sealant at the National Institute of Standards and Technology: Past and Present

February 1, 2001

Author(s)

Christopher C. White

… Research on Sealant at the National Institute of Standards and Technology: Past and Present …

Cryptography Standards and Infrastructures for the Twenty-First Century

September 17, 1998

Author(s)

Shirley M. Radack

… confidence. There are efforts underway to update existing standards for cryptography; to develop new and stronger forms … Cryptography Standards and Infrastructures for the Twenty-First Century …

Guide to Computing and Reporting the Life-Cycle Cost of Environmental Management Projects

March 1, 2003

Author(s)

L I. Schultz, S F. Weber

… Society for Testing and Materials (ASTM) consensus standards: a widely used standard on LCC, and a recently … are assumed to be familiar with the ECES and the consensus standards that support it. The guide covers economic … life-cycle costing, present value, project evaluation, standards …

Frequency Biases in Pulsed Atomic Fountain Frequency Standards Due to Spurious Components in the Microwave Spectrum

June 6, 2006

Author(s)

Thomas P. Heavner, Jon H. Shirley, Filippo Levi, Dai Yu, Steven R. Jefferts

… may cause biases in pulsed atomic fountain frequency standards was identified in [1]. Here we present models for … of evaluating the frequency bias in fountain frequency standards using traditional techniques such as operating at … Frequency Biases in Pulsed Atomic Fountain Frequency Standards Due to Spurious Components in the Microwave Spectrum …

Stacked SNS Josephson Junctions for Quantum Voltage Applications

July 11, 2003

Author(s)

Paul Dresselhaus, Yonuk Chong, Samuel Benz

NIST is using SNS Josephson junctions as the basis of quantum voltage metrology. Planar junction technology limits the voltage and bandwidth of these systems due to parasitic inductances and the transit time of waveforms through the transmission line. By

National Institute of Standards and Technology Programs in Electrical Measurements for Electronic Interconnections

October 1, 1998

Author(s)

Donald C. DeGroot, Dylan Williams

… Abstract: The National Institute of Standards and Technology operates a number of research … National Institute of Standards and Technology Programs in Electrical Measurements …

Calculable Coaxial Resistors for Precision Measurements

May 1, 1999

Author(s)

Randolph E. Elmquist

… values at and above 100 ohms, will be used as transfer standards for characterization of the frequency dependence of … ac resistence, precision measurements, resistance standards, coaxial transmission lines, eddy current, …

Dolphins In Human Care Sampling Protocol and Sample Entry Assistant (SEA) for Tissue Archival and Analyte Analysis

January 21, 2020

Author(s)

Colleen E. Bryan Sallee, Jared M. Ragland

… The National Institute of Standards and Technology (NIST) Pacific Marine Mammal Health …

A First realization of ASTM E3125-17 test procedures for laser scanner performance evaluation

February 1, 2020

Author(s)

Ling Wang, Balasubramanian Muralikrishnan, Vincent D. Lee, Prem K. Rachakonda, Daniel S. Sawyer, Joe Gleason

Spherical coordinate three-dimensional (3D) imaging systems, such as Terrestrial Laser Scanners (TLS), are already used widely in different fields. Their measurement performance evaluation is a topic of active research. In 2017, the first comprehensive

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