Diatomic Spectral Database, 1Σ-Ground State Molecules | NIST
The National Institute of Standards and Technology (NIST) has released a comprehensive database of diatomic molecules with 1Σ electronic…
Index of Semiconductor Process Gases – Ethylene Oxide | NIST
This article presents a comprehensive table of thermophysical properties for ethylene oxide, a key semiconductor manufacturing gas. The table…
Time and Frequency from A to Z, H | NIST
The article discusses various aspects of time and frequency measurement, including: 1. Hertz (Hz): The standard unit of frequency,…
Time and Frequency from A to Z, I | NIST
Title: NIST Develops New Quantum Time and Frequency Standards 1. International Atomic Time (TAI) – TAI is a time scale maintained by the…
Index of Semiconductor Process Gases – Hexafluoroethane | NIST
Summary of Hexafluoroethane Thermophysical Properties Database The National Institute of Standards and Technology (NIST) has released a…
Index of Semiconductor Process Gases – Argon | NIST
The National Institute of Standards and Technology (NIST) has released a comprehensive database of thermophysical properties for argon gas, an…
NIST TN 1297: 4. Type B Evaluation of Standard Uncertainty | NIST
NIST TN 1297: 4. Type B Evaluation of Standard Uncertainty The National Institute of Standards and Technology (NIST) has published a technical…
Methane Symmetry Operations – Quantum Mechanical Operators | NIST
This article discusses the application of group theory and symmetry operations to the quantum mechanical treatment of methane molecules. The…
Visible and UV Spectroscopy | NIST
This article discusses research conducted at NIST using an Electron Beam Ion Trap (EBIT) to study highly charged ions. The EBIT allows for…