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Chemical Engineering & Processing Programs & Projects

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Acoustic Techniques in Fluid Metrology
Last Updated Date: 06/10/2015

The Fluid Metrology Group leads the world in designing and using gas-filled acoustic resonators for measuring the thermodynamic temperature T , … more

Transient Flow Facility
Last Updated Date: 06/10/2015

Today, demonstration vehicles are refueled with hydrogen from dispensers within 3 to 5 minutes using sequential gas releases from a bank of … more

NIST Standard Reference Simulation Website
Last Updated Date: 04/15/2015

The Standard Reference Simulation Website is an ongoing project whose aim is to provide well-documented simulation results for a variety of … more

Gas properties for flow metering
Last Updated Date: 04/10/2015

Flow meters that rely on measuring the pressure drop across a laminar flow element can be accurately calibrated using a benign surrogate gas (such … more

Physical Properties of Liquid Precursors
Last Updated Date: 04/02/2015

In striving to adhere to Moore's Law, the semiconductor industry is designing and using new metal-organic compounds. Precursor compounds deliver a … more

High-Stability Transfer Standard for the Barometric Pressure Range of 100 Pa to 130 kPa
Last Updated Date: 04/02/2015

NIST has developed a new pressure transfer standard capable of absolute-mode and differential-mode operation in the range of 100 Pa to 130 kPa. … more

A Gas Pressure Scale Based on Primary Standard Piston Gauges
Last Updated Date: 04/02/2015

Accurate determinations of pressure are required for diverse applications such as the altitude of aircraft, barometric pressure for weather … more

Theoretical Mass Spectrometry
Last Updated Date: 03/18/2015

Mass spectrometry is an important technique in analytical chemistry, essential in areas including drug development, criminal and agricultural … more

Explosives Decomposition Chemistry
Last Updated Date: 03/18/2015

High-energy materials are commonly used as military explosives and as advanced propellants. The detailed chemical reactions responsible for … more

Regenerative Medicine
Last Updated Date: 03/17/2015

Our goal is to develop advanced measurement tools and standards for measuring scaffold properties and their impact on biological response.  

Connecting Thermodynamic and Dynamic Properties of Bulk and Confined Fluids
Last Updated Date: 03/16/2015

It is well known that the physical properties of a fluid can change profoundly, and often non-trivially, when placed in a confined environment. … more

Understanding Protein Solution Phase Behavior via Coarse-Grained Modeling
Last Updated Date: 02/10/2015

Much of our knowledge of protein folding comes from experiments on polypeptides in dilute solutions or from theoretical models of isolated … more

Affect of Partial Charge Calculation Method on Adsorption Thermodynamics
Last Updated Date: 02/05/2015

In classical molecular simulations, electrostatic contributions to the potential energy are typically accounted for by assigning partial charges … more

NIST Chemistry Webbook
Last Updated Date: 02/03/2015

The NIST Chemistry WebBook is a site on the Internet ( http://webbook.nist.gov/ ) that provides convenient access to a variety of physical and … more

Microcryocooler for Terahertz Detectors
Last Updated Date: 01/28/2015

NIST and the University of Colorado have been funded since April, 2006, by DARPA to develop a microcryocooler with a volume less than about 4 cm 3 … more

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