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Federal
NIST Chemical Kinetics Database
National Institute of Standards and Technology —
The NIST Chemical Kinetics Database includes essentially all reported kinetics results for thermal gas-phase chemical reactions. The database is designed to be... -
Federal
NIST Chemistry WebBook - SRD 69
National Institute of Standards and Technology —
The NIST Chemistry WebBook provides users with easy access to chemical and physical property data for chemical species through the internet. The data provided in the... -
Federal
NIST Atomic Spectra Database - SRD 78
National Institute of Standards and Technology —
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are... -
Federal
NIST Thermophysical Properties of Hydrocarbon Mixtures Database- SRD 4
National Institute of Standards and Technology —
SUPERTRAPP is an interactive computer program for predicting thermodynamic and transport properties of pure fluids and fluid mixtures containing up to 20 components.... -
Federal
TREC 2021 Health Misinformation Dataset
National Institute of Standards and Technology —
The Health Misinformation track aims to (1) provide a venue for research on retrieval methods that promote better decision making with search engines, and (2) develop... -
Federal
TREC 2022 Clinical Trials Dataset
National Institute of Standards and Technology —
The goal of the Clinical Trials track is to focus research on the clinical trials matching problem: given a free text summary of a patient health record, find... -
Federal
NIST X-Ray Transition Energies Database - SRD 128
National Institute of Standards and Technology —
This X-ray transition table provides the energies and wavelengths for the K and L transitions connecting energy levels having principal quantum numbers n = 1, 2, 3,... -
Federal
NIST Interatomic Potentials Repository
National Institute of Standards and Technology —
This repository provides a source for interatomic potentials (force fields), related files, and evaluation tools to help researchers obtain interatomic models and... -
Federal
NIST Atomic Spectra Database - SRD 78
Department of Commerce —
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are... -
Federal
NIST FLYCHK Modelling Database - SRD 160
National Institute of Standards and Technology —
FLYCHK provides a capability to generate atomic level populations and charge state distributions for low-Z to mid-Z elements under NLTE conditions. -
Federal
DICOM files for "RECIST and Volumetric CT Measurements of Injected-Water Phantoms" by ZH Levine, HH Chen-Mayer, AP Peskin, and AL Pintar.
National Institute of Standards and Technology —
DICOM files are given for 11 CT scans which were used in a research article. Each scan contains about 1250 slices with 512x512 gray scale images, each in its own... -
Federal
NIST Energy Levels of Hydrogen and Deuterium dATABASE- SRD 142
National Institute of Standards and Technology —
This database provides theoretical values of energy levels of hydrogen and deuterium for principle quantum numbers n = 1 to 200 and all allowed orbital angular... -
Federal
NIST Web Thermo Tables (WTT) - Professional Edition - SRD 203
National Institute of Standards and Technology —
The Web Thermo Tables (WTT) are a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. These data were... -
Federal
NIST Atomic Transition Probability Bibliographic Database
National Institute of Standards and Technology —
This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 8000 references, dating from 1914 through current year and is... -
Federal
NIST Atomic Energy Levels and Spectra Bibliographic Database
Department of Commerce —
References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current... -
Federal
NIST Fingerprint Registration and Comparison Tool (NFRaCT)
National Institute of Standards and Technology —
The NIST Fingerprint Registration and Comparison Tool (NFRaCT) is a cross-platform GUI application which allows a user to load a pair of fingerprint images, find... -
Federal
NIST Database of Cross Sections for Inner-Shell Ionization by Electron or Positron Impact - SRD 164
National Institute of Standards and Technology —
The NIST Database of Cross Sections for Inner-Shell Ionization by Electron or Positron Impact provides cross sections for ionization of the K shell and of the L and M... -
Federal
NIST Electron Elastic-Scattering Cross-Section Database - SRD 64
National Institute of Standards and Technology —
Note that this SRD supersedes SRD 64 Version 3.2. The NIST Electron Elastic-Scattering Cross-Section Database provides values of differential elastic-scattering cross... -
Federal
NIST Human Mitochondrial Protein Database
National Institute of Standards and Technology —
The Human Mitochondrial Protein Database (HMPDb) provides comprehensive data on mitochondrial and human nuclear encoded proteins involved in mitochondrial biogenesis...