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Displaying 1551 - 1575 of 1947

In-Cavity Calibration of High Heat-Flux Sensors: Experimental Validation

June 9, 2005

Author(s)

A V. Murthy, Gerald T. Fraser, D P. DeWitt

This paper deals with the feasibility of performing primary calibration of heat-flux sensors at high irradiance levels by placing inside the cylindrical cavity of a graphite-tube blackbody. The experimental study comprised of measurements on two Schmidt

Evaluation of Carbon Dioxide as R22 Substitute for Residential Conditioning (in Polish) - Part 2

April 1, 2005

Author(s)

J S. Brown, Y Kim, Piotr A. Domanski

This paper compares performance of CO2 and R22 in residential air conditioning applications using semi-theoretical vapor compression and transcritical cycle models. The simulated R22 system had a conventional component configuration, while the CO2 system

Evaluation of Carbon Dioxide as R22 Substitute for Residential Conditioning (in Polish) - Part 1

March 1, 2005

Author(s)

S J. Brown, Y Kim, Piotr A. Domanski

Analysis and Evaluation for STEP-Based Electro-Mechanical Assemblies: An Integrated Fuzzy AHP Approach

August 1, 2004

Author(s)

XuanFang Zha, Sebti Foufou, Sudarsan Rachuri, Ram D. Sriram

Assemblability analysis and evaluation play a key role in assembly design, assembly operation analysis and assembly planning. This paper proposes an integrated approach to assemblability analysis and evaluation for STEP-based (STandard for the Exchange of

Collaborative Product Development and Customization: A Platform-based Strategy and Implementation

August 1, 2004

Author(s)

XuanFang Zha, Ram D. Sriram

Mass customization and global economic collaboration drive the product development and management beyond internal enterprise to cover the whole product value chain. This paper presents a platform-based strategy and approach for collaborative product

Computer Security Division 2003 Annual Report

April 30, 2004

Author(s)

Tanya L. Brewer

This report covers the work conducted within the National Institute of Standards and Technology's Computer Security Division during the Fiscal Year 2003. It discusses all projects and programs within the Division, staff highlights, and publications. For

Optical Frequency Standards and Measurement

April 1, 2003

Author(s)

John L. Hall, Jun Ye

This paper celebrates the progress in optical frequency standards and measurement, won by the 40 years of dedicated work of world-wide teams working in frequency standards and frequency measurement. Amazingly, after this time interval, the field is now

Cement and Concrete Reference Laboratory: Promoting Quality in Laboratory Testing

November 1, 2002

Author(s)

J H. Pielert

In the early part of the 20th century, a number of organizations including ASTM, the National Institute of Standards and Technology (NIST), and the Portland Cement Association collaborated in activities to improve and standardize specifications and test

Evaluation of Carbon Dioxide as R-22 Substitute for Residential Air-Conditioning

June 1, 2002

Author(s)

J S. Brown, Y Kim, Piotr A. Domanski

Fresh Concrete Rheology - Recent Developments

December 1, 2001

Author(s)

Chiara F. Ferraris, F De Larrard, Nicos Martys

The design of concrete with specified properties for an application is not a new science, but it has taken on a new meaning with the wide use of high performance concretes. The following properties are related to fresh concrete: ease of placement and

Carbon Monoxide Dispersion in Residential Buildings: Literature Review and Technical Analysis.

October 1, 1996

Author(s)

Andrew K. Persily

Carbon monoxide (CO) detectors are being used increasingly in residential buildings to warn occupants about CO concentrations that could potentially cause acute health effects. While the use of CO detectors can decrease the likelihood of exposure to such

DEPAF: A Computer Model for Design and Performance Analysis of Furnaces

August 15, 1977

Author(s)

J. Chi

The report covers the development of a computer simulation program DEPAF (Design and Performance Analysis of Furnaces) for residential fossil-fuel-fired furnaces. DEPAF is based upon an analytical model which accounts for cyclic (on-and-off) operation of

Host Defense Peptide Piscidin and Yeast-derived Glycolipid Exhibit Synergistic Antimicrobial Action through Concerted Interactions with Membranes

October 19, 2023

Author(s)

Fei Liu, Alexander Greenwood, Yawei Xiong, Rebecca Miceli, Riqiang Fu, Kyle Anderson, Scott McCallum, Ella Mihailescu, Richard Gross, Myriam Cotten

… orders of magnitude, potentiating a promising therapeutic window. Permeabilization assays and biophysical studies …

Structure and Dynamics of Ethane Confined in Silica Nanopores in the Presence of CO 2

February 28, 2020

Author(s)

Tingting Liu, Siddharth Guatam, David R. Cole, Sumant Patankar, David Tomasko, Wei Zhou, Gernot Rother

… in the rotational motions of C 2 H 6 fall into the energy window accessible to the instrument, the contribution of the …

Optimizing Utilization Efficiencies in Electronegative Discharges: The Importance of the Impedance Phase Angle

November 1, 1999

Author(s)

W R. Entley, J G. Langan, B S. Felker, Mark A. Sobolewski

… electrode, and impedance phase angles within a narrow window centered near diameter} pe = -40 C. Within this …

Energy Impacts of Infiltration and Ventilation in U.S. Office Buildings Using Multizone Airflow Simulation

June 1, 1999

Author(s)

Andrew K. Persily, Steven J. Emmerich

With exception of a few analyses of the impacts of ANSI/ASHRAE Standard 62-1989 and energy use in specific buildings, the energy used in commercial buildings due to infiltration and ventilation flows has received little attention. However, as improvements

Two-color measurements supporting a revised formulation for the refractive index of air

June 22, 2026

Author(s)

Patrick Egan

Two-color refractivity measurements are reported for carbon dioxide, oxygen, binary mixtures of nitrogen--oxygen, natural dry air, and water vapor. For the ''dry'' gases, the measurements were simultaneously performed at 0.6329908 um and 1.542383 um, and

Kelvin probe force microscopy under ambient conditions

August 21, 2025

Author(s)

Amirhossein Zahmatkeshsaredorahi, Ruben Millan-Solsona, Devon Jakob, Liam Collins, Xiaoji Xu

Kelvin Probe Force Microscopy (KPFM), a technique derived from Atomic Force Microscopy (AFM), provides nanometer-scale spatial resolution for mapping surface potential or work function differences across material systems. It serves as a powerful tool for

Foundry manufacturing of octave-spanning microcombs

September 6, 2024

Author(s)

Jizhao Zang, Haixin Liu, Travis Briles, Scott Papp

Soliton microcombs provide a chip-based, octave-spanning source for self-referencing and optical metrology. We use a silicon nitride integrated photonics foundry to manufacture 280 single-chip solutions of octave-spanning microcombs on a wafer. By group

Global Community Technology Challenge (GCTC) Strategic Plan 2024-2026

June 28, 2024

Author(s)

Michael Dunaway, Thomas Roth, Edward Griffor, David A. Wollman

This document provides a strategy and a project plan for the Global Community Technology Challenge, a federal smart cities program led by the Smart Connected Systems Division at the National Institute of Standards and Technology, an agency of the U.S

2024 NIST Generative AI (GenAI): Evaluation Plan for Text-to-Text (T2T) Discriminators

April 1, 2024

Author(s)

Yooyoung Lee, George Awad, Asad Butt, Lukas Diduch, Kay Peterson, Seungmin Seo, Ian Soboroff, Hariharan Iyer

Generator (G) teams will be tested on their system's ability to generate content that is indistinguishable from human-generated content. For the pilot study, the evaluation will help determine strengths and weaknesses in their approaches including insights

New Fire Protection Materials

January 26, 2024

Author(s)

Andre Thompson

Residential upholstered furniture (RUF) is the leading combustible in fatal fires in the United States. In the last few decades, fire-retardant (FRs) chemicals have been largely used in attempt to reduce RUF flammability; however, concerns about possible

Study on Local Power Plant Emissions Using Multi-Frequency Differential Absorption LIDAR and Real-Time Plume Tracking

August 31, 2023

Author(s)

Jasper Stroud, Will Dienstfrey, David Plusquellic

We present a new fiber-amplifier-based differential absorption light detection and ranging (DIAL) system for range-resolved detection of carbon dioxide (CO2) and water vapor (H2O) over a range of a few kilometers. The fiber amplifier chain is seeded with a

AIomics: Exploring More of the Proteome Using Mass Spectral Libraries Extended by Artificial Intelligence

May 26, 2023

Author(s)

Lewis Geer, Joel Lapin, Douglas Slotta, Tytus Mak, Stephen E. Stein

The unbounded permutations of biological molecules, including proteins and their constituent peptides, present a dilemma in identifying the components of complex biosamples. Sequence search algorithms used to identify peptide spectra can be expanded to

An Overview of Advances in Signal Processing Techniques for Classical and Quantum Wideband Synthetic Apertures

March 28, 2023

Author(s)

Peter Vouras, Kumar Vijay Mishra, Aly Artusio-Glimpse, Samuel Pinilla, Angeliki Xenaki, David W. Griffith, Karen Egiazarian

Rapid developments in synthetic aperture (SA) systems, which generate a larger aperture with greater angular resolution than is inherently possible from the physical dimensions of a single sensor alone, are leading to novel research avenues in several

Advanced communications
-Open Radio Access Network (Open-RAN)
-Quantum communications
-Spectrum sharing
-Wireless (RF)
Artificial intelligence
-Agentic AI
-AI measurement and evaluation
-Autonomous systems
--Automated vehicles
--Autonomous laboratories
-Applied AI
-Fundamental AI
-Hardware for AI
-Machine learning
-Trustworthy and responsible AI
Biotechnology
-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 retrofit
-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
-Evidential statistics
-Drugs and toxicology
-Firearms and toolmarks
-Forensic biometrics
-Forensic genetics
-Forensic quality assurance
-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
-Library and information science
-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
--Functional recovery
-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