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Chemistry

Chemical engineering & processing

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Displaying 326 - 350 of 400

Tele-Calibration of Gas Flow Meters

December 1, 1999

Author(s)

Pedro I. Espina

Tele-Metrology and Advanced Ultrasonic Flow Metering

December 1, 1999

Author(s)

Pedro I. Espina, P I Rothfleisch, Tsyh Tyan Yeh, S A. Osella

Tele-Metrology: Remote Flow Meter Calibration

December 1, 1999

Author(s)

Pedro I. Espina

The Effects of Different Property Models on a Computational Fluid Dynamics Simulation of a Reciprocating Compressor

December 1, 1999

Author(s)

A P. Peskin

Thermodynamic Properties of Vanadium Silicides. I. Standard Molar Enthalpy of Formation d f H( of Vanadium Disilicide VSi 2 at the Temperature of 298.15K

December 1, 1999

Author(s)

P A. O'Hare, K Watling, G A. Hope

Thermodynamic Properties of Vanadium Silicides. II. Standard Molar Enthalpy of Formation d f Hm 298.15K and Reassessed Thermodynamic Porperties of Trivanadium Monosilicide V 3 Si

December 1, 1999

Author(s)

P A. O'Hare, K Watling, G A. Hope

Thermodynamics of Silicon Nitride. I. Standard Molar Enthalpy of Formation d f H m 0 at the Temperature 298.15 K of a-Si 3 N 4 and e-Si 3 N 4

December 1, 1999

Author(s)

P A. O'Hare, I. Tomaszkiewicz, C. M. Beck II, H. J. Seifert

Vapor-Liquid Critical Surface of Ternary Difluoromethane + Pentafluoroethane + 1,1,1,2-Trifluoroethane R-32/125/134a Mixtures

December 1, 1999

Author(s)

Y Higashi

Vapor-Liquid Equilibria for the Binary Difluoromethane R-32 + Propane R-290 Mixture

December 1, 1999

Author(s)

Y Higashi

Comparison of Results of Calibrating the Magnitude of the Sensitivity of Accelerometers by Laser Interferometry and Reciprocity

January 1, 1999

Author(s)

Beverly F. Payne, David J. Evans

Minimizing the uncertainty in the calibration of accelerometers by the reciprocity method requires minimizing the cross-axis component of the induced motion, and the distortion of its waveform. Minimizing the uncertainty in the calibration of

Doping Effects and Reversibility Studies on Gas-Exposed alpha-Sexithiophene Thin Films

December 25, 1998

Author(s)

C Kendrick, Stephen Semancik

Research on the electronic applications of organic semiconductors is growing rapidly, and both polymeric and small molcule organics are being used in the fabrication of LEDs, transistors, and biological/chemical sensors. As a part of the chemical

Inexpensive Vibrational Anharmonicities from Estimated Derivatives: Diatomic Molecules

December 1, 1998

Author(s)

P Hassanzadeh, Karl Irikura

Critical Viscosity of the Ionic Mixture Triethyl n-Hexyl Ammonium Triethyl n-Hexyl borate in Diphenyl Ether

September 15, 1998

Author(s)

S. Wiegand, Robert F. Berg, Johanna M.H. Levelt-Sengers

A Molecular Dynamics Study of a Reversed-Phased Liquid Chromatography Model

September 1, 1998

Author(s)

J T. Slusher, Raymond D. Mountain

Homogenizing Heterogeneous Soft Waste at Cryogenic Temperatures

September 1, 1998

Author(s)

James D. Siegwarth

Numerical Study of Low and High Temperature Silane Combustion

September 1, 1998

Author(s)

Valeri I. Babushok, Wing Tsang, Donald R. Burgess Jr., Michael R. Zachariah

Parametric Analysis of the Propagation of Uncertainties in Sorption Measurements Made with a Pressure-Decay Apparatus

September 1, 1998

Author(s)

J Tighe, J J. Pellegrino

NIST Calibration Services for Gas Flow Meters: Piston Prover and Bell Prover Gas Flow Facilities

August 1, 1998

Author(s)

John D. Wright, G E. Mattingly

This document provides a description of the small and medium range gas flow calibration facilities at the National Institute of Standards and Technology (NIST), Fluid Flow Group, as reported in NIST Special Publication 250 for Test Nos. 18010C-18040C and