Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

Search Title, Abstract, Conference, Citation, Keyword or Author

Title

Author

NIST Pub Series

NIST Topic Areas

Report Number

Publication Date

Max Publication Date

NIST Authors in Bold

Displaying 1501 - 1525 of 2521

On the 209Po Half-Life Error and Its Confirmation: A Critique

June 11, 2015

Author(s)

Ronald Colle, Arthur M. Colle

… of nearly a decade and with decay data from a period of 20.7 years, initially uncovered and then substantiated a 25 % …

Public Safety Communications Research (PSCR) Program Location-Based Services R&D Roadmap

May 22, 2015

Author(s)

Ryan Felts, Marc Leh, Tracy A. McElvaney, Dereck R. Orr

… is in a period of great transition. Over the next 20 years, technology advancements will enable data, video, …

Evolution of Magnetism in the Na 3-d (Na 1-x Mg x )Ir 2 O 6 Series of Honeycomb Iridates

April 1, 2015

Author(s)

David C. Wallace, Craig Brown, Tyrel M. McQueen

The structural and magnetic properties of a new series of iridium-based honeycomb lattices with the formula Na 3-δ(Nad1-x^Mg x)Ir 2O 6(0less than or equal to}xless than or equal to}) are reported. As x and δ are increased, the honeycomb lattice contracts

Scaling of Testing Speed for Different Source-to-Detector Distances

February 13, 2015

Author(s)

Bruce R. Norman, Anne L. Sallaska, Leticia Pibida

… these differences are reduced to values of approximately ±20 % within the measurement uncertainties. …

Attosecond timing in optical-to-electrical conversion

February 10, 2015

Author(s)

Frederick N. Baynes, Franklyn J. Quinlan, Tara M. Fortier, Qiugui Zhou, Andreas Beling, Joe C. Campbell, Scott A. Diddams

… For a generated 10 GHz carrier, measurements covered over 7 decades of offset frequencies, from 1 mHz to greater than … was measured at 1.4 x 10 -17 at 1 second and 5.5 x 10 -20 at 1000 seconds. The implications for the transfer of …

Proficiency Testing for Pressure Calibration at the National Voluntary Laboratory Accreditation Program (NVLAP)

December 3, 2013

Author(s)

Douglas A. Olson, Thomas R. Hettenhouser, Robert G. Driver

… accredited for pressure, designated as NVLAP code 20/T05. This program involves measurements by the laboratory …

Hyperfine structure of weakly bound levels in the lowest 1g state of molecular 87Rb2

November 13, 2013

Author(s)

Chin-Chun Tsai, T Bergeman, Eite Tiesinga, Paul S. Julienne, D J. Heinzen

… limit were measured with resonance linewidths of 15 to 20 MHz, and have been located to a one-sigma combined …

Testing the Reliability of Non-LTE Spectroscopic Models for Complex Ions

May 11, 2013

Author(s)

Yuri Ralchenko, S Hansen, S. Bastiani-Ceccotti, C. Bowen, H.-K. Chung, J. Colgan, F. de Gaufridy de Dortan, C. J. Fontes, F. Gilleron, J.-C. Marques, R. Piron, O. Peyrusse, M. Poirier, A. Sasaki, E. Stambulchik, F. Thais

… typically quoted uncertainties for such diagnostics of ±20% in electron temperature and factors of about two in …

Breast Cancer Biomarker Measurements and Standards

January 24, 2013

Author(s)

Kenneth D. Cole, Lili Wang, Hua-Jun He

… HER2, where increased expression occurs in approximately 20 to 30% of breast cancer tumors. HER2 is a member of the …

Design and Fabrication of a Three-DoF MEMS Stage Based on Nested Structures

August 15, 2012

Author(s)

Yong Sik Kim, Nicholas G. Dagalakis, Satyandra K. Gupta

… 3 DOF system has demonstrated ability to generate at least 20 μm along X, Y and Z axes, respectively. The cross talk …

Correlation for the Viscosity of Sulfur Hexafluoride (SF6) from the Triple Point to 1000 K and Pressures to 50 MPa

April 25, 2012

Author(s)

Sergio E. Quinones-Cisneros, Marcia L. Huber, Ulrich K. Deiters

… In the region from 300 K to 425 K for pressures less than 20 MPa the estimated uncertainty is less than 1 %. Where …

Rippling Instability of Supported Polymer Nanolines

February 21, 2012

Author(s)

Vijaya R. Tirumala, Christopher M. Stafford, Leonidas E. Ocola, Jack F. Douglas, L. Mahadevan

… validated for patterned polymer nanolines in the range of (20-250) nm linewidth and a height-to-width aspect-ratio in …

Evaluating the characteristics of multiwall carbon nanotubes

July 1, 2011

Author(s)

John H. Lehman, M. Terrones, Elisabeth Mansfield, Katie Hurst, Vincent Muenier

… During the past 20 years, multiwall carbon nanotubes (MWCNTs) have become an …

Vapor Pressure Measurements on Biodiesel Esters by the Concatenated Gas Saturation Method

January 3, 2011

Author(s)

Jason A. Widegren, Thomas J. Bruno

… methyl stearate, ethyl stearate, and eicosane (C_20 H_42 ) over the temperature range 323.15 K to 343.15 K. …

Analysis of Organometallic Gasoline Additives with the Composition-Explicit Distillation Curve Method

September 9, 2010

Author(s)

Thomas J. Bruno, Evgenii Baibourine

… the analysis of these two additives (at concentrations of 20 and 40 mg/L) in a typical gasoline. We observe that … departures from the base gasoline that progress from 1 to 7 oC for FC, and From approximately 1 to 4 oC for MMT. We …

Nanoscale characterization of natural fibers and their composites using contact resonance force microscopy

May 1, 2010

Author(s)

Donna C. Hurley, Sandeep S. Nair, Siqun Wang

… within a fiber were 22.5 GPa to 28.0 GPa, 17.9 GPa to 20.2 GPa, and 15.0 GPa to 15.5 GPa for the S2 and S1 layers …

A 10 Volt Turnkey Programmable Josephson Voltage Standard for DC and Stepwise-Approximated Waveforms

September 1, 2009

Author(s)

Charles J. Burroughs, Alain Rufenacht, Paul Dresselhaus, Samuel Benz, Mike Elsbury

… a few hundred hertz. The lower microwave drive frequency (20 GHz instead of 75 GHz) will reduce cost and improve …

A 10 Volt 'Turn-Key' Programmable Josephson Voltage Standard for DC and Stepwise-Approximated Waveforms

July 26, 2009

Author(s)

Charles J. Burroughs, Alain Rufenacht, Paul D. Dresselhaus, Samuel P. Benz, Mike Elsbury

… up to a few hundred hertz. The lower microwave frequency (20 GHz instead of 75 GHz) will reduce cost and improve …

Supplementary Backward Equations v(p, T) for the Critical and Supercritical Regions (Region 3) of the IAPWS Industrial Formulation 1997 for the Thermodynamic Properties of Water and Steam

July 1, 2009

Author(s)

H J. Kretzschmar, Allan H. Harvey, K Knobloch, Radim Mares, Kiyoshi Miyagawa, N Okita, Roland Span, I. Stocker, Wolfgang Wagner, I Weber

… consistency is achieved by dividing the region into 20 subregions, plus six auxiliary subregions near the …

Molar Heat Capacity at Constant Volume for Isobutane at Temperatures from (114 to 345) K and at Pressures to 35 MPa

June 4, 2009

Author(s)

Richard A. Perkins, Joe W. Magee

… of (113.707 ± 0.030) K and enthalpy of fusion of (4494 ± 20) J•mol 1 for isobutane near its triple point. The … of C v (2) is estimated to be 0.5 %, for C ς it is 0.7%, and for C v it is 0.7%. …

Amorphous Nb-Si Barrier Junctions for Voltage Standard and Digital Applications

June 3, 2009

Author(s)

David I. Olaya, Paul Dresselhaus, Samuel Benz, Jon E. Bjarnason, Erich N. Grossman

… Josephson voltage standards operating at frequencies up to 20 GHz. This material was chosen so that the junctions could …

Enthalpy of Solution and Kovats Retention Indices for Nitroaromatic Compounds on Stationary Phases using Gas Chromatography

April 30, 2009

Author(s)

Jeffrey A. Caufield, Thomas J. Bruno, Keith Miller

… Four polar stationary phases, namely 80 % dimethyl 20 % diphenyl polysiloxane, 14 % cyanopropylphenyl 86 % …

A Fiber-Optic Interferometer with Sub-Picometer Resolution for DC and Low-Frequency Displacement Measurement

March 13, 2009

Author(s)

Douglas T. Smith, Jon R. Pratt, L Howard

… system which achieves resolution of 40 fmHz-1/2 above 20 Hz and approaches the shot-noise-limit of 22 fmHz-1/2 at …

Broadband Ferromagnetic Resonance Linewidth Measurement of Magnetic Tunnel Junction Multilayers

January 7, 2009

Author(s)

Stephen E. Russek, Ranko R. Heindl, William H. Rippard, Juan F. Sierra, F G. Aliev

… resonance (FMR) over a frequency range of 1 to 20 GHz. Tunnel junctions were fabricated using Al 2 O 3 …

Albedo Measurements and Optical Sizing of Single Aerosol Particles

July 31, 2008

Author(s)

Todd J. Sanford, Daniel Murphy, David S. Thomson, Richard W. Fox

… instrument, changes in albedo for single particles of 20% or greater were detected by measurement of the scattering …

Was this page helpful?

Advanced communications
-Open Radio Access Network (Open-RAN)
-Quantum communications
-Spectrum sharing
-Wireless (RF)
Artificial intelligence
-AI measurement and evaluation
-Autonomous systems
--Automated vehicles
--Autonomous laboratories
-Applied AI
-Fundamental AI
-Hardware for AI
-Machine learning
-Trustworthy and responsible AI
Bioscience
-Bioeconomy
--Biological data
-Bioimaging
-Bioinformatics
-Biomanufacturing
-Biomaterials
-Biometrology
-Biosecurity
--Biosurveillance
--Genomic cybersecurity
--Nucleic acid sequence screening
-Cell measurements
-Engineering / synthetic biology
--Biofabrication
--Cell-free systems
--Genome engineering
--Protein engineering
-Gene delivery systems
-Genome editing
-Genomics
-Glycomics
-Metabolomics
-Microbial measurements
-Proteomics
Buildings and Construction
-Building codes and standards
-Building control systems
-Building damage and repair
-Building economics
-Building materials
-Energy efficiency
-Heating, ventilation and air conditioning equipment
-Indoor air quality
-Structural engineering
-Thermal comfort
Chemistry
-Analytical chemistry
-Chemical engineering and processing
-Chemical thermodynamics and chemical properties
-Molecular characterization
-Theoretical chemistry and modeling
-Thermochemical properties
Electronics
-Electromagnetics
-Flexible electronics
-Magnetoelectronics
-Optoelectronics
-Organic electronics
-Semiconductors
-Sensors
-Superconducting electronics
Energy
-Alternative energy
-Conventional energy
-Electric power / smart grid
-Fuels
Environment
-Air / water / soil quality
-Climate Measurements
-Environmental health
-Greenhouse gas measurements
-Marine science
-Sustainability
Fire
-Fire detection
-Fire dynamics and science
-Fire fighting
-Fire modeling
-Fire risk reduction
-Materials flammability
-Structural fire resistance
-Wildland urban interface fire
Forensic Science
-Digital evidence
-Drugs and toxicology
-Firearms and toolmarks
-Forensic biometrics
-Forensic genetics
-Trace evidence
Health
-Biopharmaceuticals
-Cell and gene therapy
-Clinical diagnostics
--Cancer
--Medical imaging
-Food and nutrition
-Human microbiome
-Precision medicine
-Regenerative medicine and advanced therapy
--Flow cytometry
Information technology
-Biometrics
-Cloud computing and virtualization
-Complex systems
-Computational science
-Conformance testing
-Cyber-physical systems
--Smart cities
-Cybersecurity and privacy
--Cryptography
--Cybersecurity education and workforce development
--Cybersecurity measurement
--Identity and access management
--Privacy engineering
--Risk management
--Securing emerging technologies
--Trustworthy networks
--Trustworthy platforms
-Data and informatics
--Human language technology
--Information retrieval
--Natural language processing
-Digital twins
-Federal information processing standards (FIPS)
-Health IT
-Internet of Things (IoT)
-Interoperability testing
-Location based services
-Mobile
-Networking
--Mobile and wireless networking
--Network management and monitoring
--Network modeling and analysis
--Network security and robustness
--Network test and measurement
--Next generation networks
--Protocol design and standardization
--Software defined and virtual networks
-Software research
--Software testing
-Usability and human factors
--Accessibility
-Video analytics
-Virtual / augmented reality
-Visualization research
-Voting systems
Infrastructure
Manufacturing
-Additive manufacturing
-Factory communications
-Factory operations planning and control
-Interoperability in manufacturing
-Machining
-Manufacturing economics
-Manufacturing quality assurance
-Manufacturing systems design and analysis
-Monitoring, diagnostics and prognostics
-Process improvement
-Process measurement and control
-Product data
-Robotics
--Agility and adaptability
--Collaborative robots
--Dexterous grasping
--Manipulation
--Mobility and industrial autonomous vehicles
--Navigation / actuation / control
--Sensing and perception
-Supply chain
-Sustainable manufacturing
-Systems engineering
-Systems integration
-Technology commercialization
Materials
-Ceramics
-Composites
-Concrete / cement
-Materials characterization
--Composition and structure
--Mechanical properties
--Thermal properties
-Metals
-Modeling and computational material science
-Polymers
-Superconductors
Mathematics and statistics
-Experiment design
-Image and signal processing
-Modeling and simulation research
-Numerical methods and software
-Statistical analysis
-Uncertainty quantification
Metrology
-Amount of substance
-Dimensional metrology
-Electrical / electromagnetic metrology
-Flow metrology and rheology
-Force metrology
-Humidity metrology
-Ionizing radiation metrology
-Mass metrology
-Metric
-Optical / photometry / laser metrology
-Pressure and vacuum metrology
-Thermometry metrology
-Time and frequency metrology
-Weights and measures
Nanotechnology
-Nanobiotechnology
-Nanochemistry
-Nanoelectronics
-Nanofabrication / manufacturing
--Lithography
--Self-assembly
-Nanofluidics
-Nanomagnetics
-Nanomaterials
-Nanomechanics
-Nanometrology
-Nanophotonics
-Nanophysics
-Nanoplasmonics
Neutron research
Performance excellence
-Assessment tools and services
-Baldrige award
-Baldrige examiners
-Baldrige Framework and Criteria
-Best practices
-Leadership development
Physics
-Atomic / molecular / quantum
-Biological physics
-Condensed matter
-Electron physics
-Magnetics
-Nuclear physics
-Optical physics and communications
-Quantum information science
-Radiation
-Spectroscopy
-Thermodynamics
-Time and frequency
Public safety
-Chemical / Biological / Radiological / Nuclear / Explosives (CBRNE)
-First responder preparedness
-Law enforcement
-Public safety communications research
-Response robots
Resilience
-Community resilience
--Recovery
--Resilience metrics
-Disaster and failure studies
-Earthquake risk reduction
-Resilience economics
-Resilient materials
-Windstorm impact reduction
Standards
-Accreditation
-Calibration services
-Conformity assessment
-Documentary standards
-Frameworks
-Quality assurance
-Reference data
-Reference instruments
-Reference materials
-Standards education
Technology transfer
Transportation
-Aerospace
-Automotive