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Displaying 2551 - 2575 of 7109

Detection of Voigt Spectral Line Profiles of Hydrogen Radio Recombination Lines toward Sagittarius B2(N)

February 24, 2010

Author(s)

Francis J. Lovas, Azrael A. von Prochazka, Anthony J. Remijan, Dana S. Balser, Robert S. Ryans, Adele H. Marshall, Frederic R. Schwab, Jan M. Hollis, Phil R. Jewell

… as ideal probes of the physical conditions in molecular cloud complexes. An analysis of the Hn alpha lines presented …

Laboratory Studies of Smoke Properties at NIST Past, Present, and Future

November 1, 1990

Author(s)

George W. Mulholland, Nelson P. Bryner

… are discussed and recent results on the effect of cloud-processing on optical properties of smoke are presented. …

USING INDUSTRY FOCUS GROUPS AND LITERATURE REVIEW TO IDENTIFY CHALLENGES IN SUSTAINABLE ASSESSMENT THEORY AND PRACTICE

August 23, 2016

Author(s)

Mahesh Mani, Karl Haapala, Matteo Smullin, KC Morris

The bottom up demand from consumers for more sustainable products, and the top down need to comply with government regulations motivates manufacturers to adopt tools and methods to evaluate their operations for opportunities to reduce environmental impact

Investigation of the Effect of Artificial Internal Defects on the Tensile Behavior of Laser Powder Bed Fusion 17-4 Stainless Steel Samples: Simultaneous Tensile Testing and X-Ray Computed Tomography

October 5, 2021

Author(s)

Felix Kim, Shawn P. Moylan, Thien Q. Phan, Edward Garboczi

… implementation of tensile tests with high-resolution X-ray computed tomography (XCT) measurements on 17–4 stainless … Steel Samples: Simultaneous Tensile Testing and X-Ray Computed Tomography …

Finite Element Method Solution Uncertainty, Asymptotic Solution, and a New Approach to Accuracy Assessment

May 16, 2018

Author(s)

Jeffrey T. Fong, Pedro V. Marcal, Robert B. Rainsberger, Li Ma, Nathanael A. Heckert, James J. Filliben

… Errors and uncertainties in finite element method (FEM) computing can come from the following eight sources: (1) Computing platform; (2) choice of element types; (3) choice …

American Competitiveness Of a More Productive Emerging Tech Economy Act (The American COMPETE Act)

August 11, 2023

Author(s)

Commerce Secretary, Kevin A. Kimball, Matthew Hoehler, Anne Lane, Elham Tabassi, Marie LaSalle, Kevin Jurrens, Mark VanLandingham, James Warren, Naomi Lefkovitz, Nada Golmie, Chris Greer, Matthew Scholl, Dylan Yaga, Andrew C. Wilson, Kevin Stine, Karen Reczek, Institute for Defense Analyses Science and Technology Policy Institute (IDA STPI), Quantum Economic Development Consortium (QED-C), Federal Trade Commission (FTC)

… of Things and Internet of Things in Manufacturing, Quantum Computing, Blockchain Technology, New and Advanced Materials, … of Things and Internet of Things in Manufacturing, Quantum Computing, Blockchain Technology, New and Advanced Materials, …

Status of a Multiplexed Single Photon On-Demand Source

August 1, 2003

Author(s)

Alan L. Migdall, Stefania Castelletto, M J. Ware

We present the status of our work implementing a single photon on-demand source based on a multiplexed arrangement of parametricdownconverters. An array of downconverters with multiplexed outputs makes it possible to create light pulses with increased

Algebraic Representation for the Topology of Multicomponent Phase Diagrams

June 30, 1986

Author(s)

D Orser

A new non-graphical method for representing the topology of phase diagrams in presented. The method exploits the fact that the topological relations between the variously dimensioned equilibria making up the structure of a phase diagram may be treated as a

High-Performance Concrete Program at the U.S. National Institute of Standards and Technology

October 12, 2021

Author(s)

J R. Clifton, G J. Frohnsdorff

The National Institute of Standards and Technology (NIST) is carrying out a collaborative program entitled Partnership for High-Performance Concrete Technology (PHPCT) to advance concrete technology and facilitate application of high-performance concrete

CONTAM 2.4 User Guide and Program Documentation

October 3, 2006

Author(s)

George Walton, William S. Dols

This manual describes the computer program CONTAM version 2.3 developed by NIST. CONTAM is a multizone indoor air quality and ventilation analysis program designed to help you determine: airflows and pressures infiltration, exfiltration, and room-to-room

1989 Computer Security and Privacy Plans (CSPP) Review Project: A First-Year Federal Response to the Computer Security Act of 1987 (Final Report)

September 1, 1990

Author(s)

D M. Gilbert

… 1989 Computer Security and Privacy Plans (CSPP) Review Project: A First-Year Federal Response to the Computer Security Act of 1987 (Final Report) …

1989 Computer Security and Privacy Plans (CSSP) review project::a first-year Federal response to the Computer Security Act of 1987 (final report)

January 1, 1990

Author(s)

Dennis M Gilbert

… 1989 Computer Security and Privacy Plans (CSSP) review project::a first-year Federal response to the Computer Security Act of 1987 (final report) …

Modeling the Effects of Outdoor Gasoline Powered Generator Use on Indoor Carbon Monoxide Exposures

August 3, 2009

Author(s)

Wang Liangzhu, Steven Emmerich

The U.S. Centers for Disease Control and Prevention (CDC) has reported that up to half of non-fatal CO poisoning incidents during the hurricane seasons in 2004 and 2005 involved generators operated outdoors but within seven feet of the home. The guidance

Understanding the Global Attack Toolkit Using a Database of Dependent Classifiers

November 5, 1998

Author(s)

Peter M. Mell

High profile Internet web sites publish a large collection of attack scripts that we call the Global Attack Toolkit (GAT). It is a dangerous tool available to the average web surfer and yet we known little about this set of attacks besides the fact that it

CFAST Output Comparison Method and Its Use in Comparing Different CFAST Versions.

August 1, 1995

Author(s)

D M. Alvord

A multiple step method was developed to compare the output of CFAST simulations, produced either by the same version of CFAST, or by different versions of the model. Scenarios to be compared are run with CFAST before the method is used, producing files

Energy-Based Plasmonicity Index to Characterize Optical Resonances in Nanostructures

October 27, 2020

Author(s)

Marvin M. Muller, Miriam Kosik, Marta Pelc, Garnett Bryant, Andres Ayuela, Carsten Rockstuhl, Karolina Slowik

… show that in such nanostructures, the concerted electron cloud oscillation in real space does not necessarily come …

StormSense: A Blueprint for Coastal Flood Forecast Information & Automated Alert Messaging Systems

October 15, 2018

Author(s)

Cuong T. Nguyen, Sokwoo Rhee, Jon 'Derek' Loftis

… alert messaging systems through the use of three separate cloud environments. One to manage the water level monitoring …

Quantized Rotation of Atoms From Photons With Orbital Angular Momentum

October 16, 2008

Author(s)

Mikkel Andersen, Changhyun Ryu, Pierre Clade, Vasant Natarajan, A Vaziri, Kristian Helmerson, William D. Phillips

… we generate an atomic vortex state, corresponding to a cloud of atoms rotating with angular momentum per atom …

BLCC: The NIST "Building Life-Cycle Cost" Program, Version 4.3 User's Guide and Reference Manual.

October 1, 1995

Author(s)

S R. Petersen

The NIST Building Life-Cycle Cost (BLCC) computer program provides economic analysis of proposed capital investments that are expected to reduce long-term operating costs of buildings or building systems/components. It is especially useful for evaluating

BUSINESS OBJECTS FOR INDUSTRIAL DATA STANDARDS

August 31, 2011

Author(s)

Allison Barnard Feeney, Keith A. Hunten

Business objects, as proposed for inclusion in the ISO 10303 family of industrial data standards developed in ISO TC 184/SC4 (SC4), are a layer over the ISO 10303 architecture that is intended to simplify and make the complex standards more accessible to a

Energy Efficiency Challenges of 5G Small Cell Networks

May 1, 2017

Author(s)

Hamid Gharavi

The deployment of a large number of small cells poses new challenges to energy efficiency, which has often been ignored in fifth generation (5G) cellular networks. While massive multiple-input multiple outputs (MIMO) will reduce the transmission power at

Mapping Strategic Goals and Operational Performance Metrics for Smart Manufacturing Systems

March 16, 2015

Author(s)

Kiwook Jung, Kevin W. Lyons, Swee K. Leong, Hyunbo Cho, Katherine C. Morris

The complexity of the relationship of strategic goals to operational performance across the many levels of a manufacturing system inhibits the realization of Smart Manufacturing Systems (SMS). This paper proposes a method for identifying what aspects of a

Innovative Marketing Tools and Strategies

March 21, 2011

Author(s)

Stacy M. Bruss, Nancy Allmang

Tipsheet to be handed out at following talk: In an increasingly digital world, the ways that customers interact with their library and recognize the services and resources it has to offer are also increasingly digital. The NIST Research Library uses a

Integrating methods for phase equilibria and phase property data determination

December 29, 2008

Author(s)

Ursula R. Kattner

Integrated Computational Materials Engineering (ICME) integrates computational tools for accelerated materials development, improved optimization processes in engineering design and easier transition between design and manufacturing. Data are one of the

Comparison of Consensus Value Methods Used to Compile On-Axis Gain Measurement Results

April 9, 2016

Author(s)

Jeffrey R. Guerrieri

… This paper compares methods for computing consensus values of data sets. Three methods are …

Advanced communications
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