Search Publications

Displaying 376 - 400 of 437

Thermodynamics of Enzyme-Catalyzed Reactions

March 1, 2003

Author(s)

Robert N. Goldberg, Yadu D. Tewari

This review, which has been prepared for the McGraw-Hill 2003 Yearbook of Science and Technology, gives an overview of the thermodynamics of enzyme-catalyzed reactions. Topics include the thermodynamic formalism(s) used in this field, computational methods

Arsenic Thermodynamic Data and Environmental Geochemistry

January 1, 2003

Author(s)

D K. Nordstrom, Donald G. Archer

Thermodynamic data are critical as input to models that attempt to interpret the geochemistry of environmentally important elements such as arsenic. Unfortunately, the thermodynamic data for mineral phases of arsenic and their solubilities have been highly

IUPAC Experimental Thermodynamics Volume VI: Measurement of the Thermodynamic Properties of Single Phases: CH. 3 Pressure; b) Piston Gauges

December 1, 2002

Author(s)

Charles D. Ehrlich, James W. Schmidt

The last twenty five years have seen significant advances in the technology and theoretical models associated with the use of piston gauges for the measurement of both pneumatic and hydraulic pressure. Most notably, the incorporation of computers and

Thermodynamic Quantities for the Ionization Reactions of Buffers in Water

December 1, 2002

Author(s)

Robert N. Goldberg, N Kishore, R M. Lennen

This table contains selected values for the pK, standard molar enthalpy of reaction {Δ} rH , and standard molar heat-capacity change {Δ} rC p for the ionization reactions of 64 buffers many of which are relevant to biochemistry and to biology. The values

How Fluids Unmix: Discoveries by the School of Van Der Waals and Kamerlingh Onnes

August 31, 2002

Author(s)

Johanna Levelt Sengers

This book narrates the story of pioneering scientists in the Netherlands, who reached a profound and comprehensive understanding of fluid mixture phase separation within a brief time span around the turn of the 19th century. This achievement was the

Correlation for the Vapor Pressure of Heavy Water From the Triple Point to the Critical Point

March 1, 2002

Author(s)

Allan H. Harvey, Eric W. Lemmon

A new formulation has been developed to represent the vapor pressure of heavy water (D 20) from its triple point to its critical point. This work takes advantage of several developments since the publication of the best previous formulation: the

Evaluated Enthalpies of Formation of the Stable Closed Shell C1 and C2 Chlorinated Hydrocarbons

March 1, 2002

Author(s)

Jeffrey A. Manion

Experimental data on the enthalpies of formation of chloromethanes, chloroethynes, chloroethenes, and chloroethanes are critically reviewed. Enthalpy of formation values for the C1 and C2 chlorinated hydrocarbons are highly cross-linked by various measured

Thermodynamics of the Lipase-Catalyzed Esterification of Glycerol and N-Octanoic Acid in Organic Solvents and in the Neat Reaction Mixture

November 1, 2001

Author(s)

Yadu D. Tewari, David M. Bunk

The thermodynamics of the lipase-catalyzed esterification of glycerol with n-octanoic acid have been investigated with acetonitrile, benzene, and toluene as solvents and in the neat reaction mixture (no organic solvent added). This esterification reaction

Design and Test of the NIST/Lockheed Martin Miniature Pulse Tube Flight Cryocooler

September 30, 2001

Author(s)

Peter E. Bradley, Ray Radebaugh, J Xiao, D. R. Ladner

Acoustic Measurements in Gases, Chapter 10

September 15, 2001

Author(s)

Michael R. Moldover, Keith A. Gillis, John J. Hurly, J B. Mehl, J Wilhelm

Cylindrical acoustic resonators developed at the National Institute of Standards and Technology (NIST) are routinely used to measure the speed of sound in gases with uncertainties of 0.01% or less. The pressure dependence of the data is fitted with model

Speed of Sound as a Thermodynamic Property of Fluids

September 15, 2001

Author(s)

Daniel G. Friend

In this chapter, we review the principles of sound propagation in fluid systems. From a study of the hydrodynamic equations, sound propagation is shown to be a wave phenomenon. The speed of sound then can be derieved at any state point from a knowledge of

TRC Thermodynamic Tables - Hydrocarbons, Supplement No. 121

September 1, 2001

Author(s)

Michael D. Frenkel

TRC Thermodynamic Tables - Non-Hydrocarbons, Supplement No. 85

September 1, 2001

Author(s)

Michael D. Frenkel

Generation of Controlled UHMWPE Wear Particle Size and Shape by Surface Texturing: Relationship Between Surface Feature Dimensions to Particle Size and Shape

August 1, 2001

Author(s)

H. W. Fang, Jan V. Sengers, Stephen M. Hsu

Reaction Kinetics in Ionic Liquids: Pulse Radiolysis Studies of 1-Butyl-3-Methylimidazolium Salts

August 1, 2001

Author(s)

D Behar, Carlos A. Gonzalez, Pedatsur Neta

Radiolysis of liquid 1-butyl-3-methylimidazolium (BMI +) salts leads to formation of several species with similar absorption spectra. To identify and characterize these species, experiments were carried out with BMI + in solution under various conditions

BioEqCalc: A Package for Performing Equilibrium Calculations on Biochemical Reactions

April 1, 2001

Author(s)

D Akers, Robert N. Goldberg

A Mathematica package BioEqCalc.m has been developed for treating complex equilibria in aqueous solutions. The package is geared towards the treatment of biochemical systems and as such yields information on the molalities and mole fractions of the species

Measurement and Analysis of Results Obtained on Biological Substances With Differential Scanning Calorimetry

April 1, 2001

Author(s)

H J. Hinz, Frederick P. Schwarz

Differential scanning calorimeters (DSCs) have been widely used to determine the thermodynamics of phase transitions and conformational changes in biological systems including proteins, nucleic acid sequences, and lipid assemblies. DSCs monitor the

Vapor Entraining Magnetic Mixer for Reaction and Equilibrium Applications

March 1, 2001

Author(s)

Thomas J. Bruno, Michael C. Rybowiak

Mixing of fluids is a central component to innumerable operations in chemical processing on the plant floor and also in many laboratory operations. Most mixing applications simply require the efficient blending of fluids present in a single phase, such as

Chapter 12, Acoustic Measurements in Gases: Applications to Thermodynamic Properties, Transport Properties, and the Temperature Scale

January 1, 2001

Author(s)

Michael R. Moldover, Keith A. Gillis, John J. Hurly, J B. Mehl, J Wilhelm

Cylindrical acoustic resonators developed at Niational Institute of Standards and Technology (NIST) are routinely used to measure the speed of sound in gases with uncertainties of 0.01%, or less. The pressure dependence of the data is fitted with model

Chemical Kinetics Database and Predictive Schemes for Nonthermal Humid Air Plasma Chemistry. Part II. Neutral Species Reactions

January 1, 2001

Author(s)

J T. Herron, D S. Green

Reliable kinetics data are necessary input for models describing the decomposition of gases in electric discharge or electron-beam devices. In this second part of a continuing series, we provide a core database describing the dominant reactions of neutral

The Laboratory Founded by Van der Waals

January 1, 2001

Author(s)

Johanna M.H. Levelt-Sengers

A Reference Equation of State for the Thermodynamic Properties of Nitrogen for Temperatures from 63.151 to 1000 K and Pressures to 2200 MPa

November 1, 2000

Author(s)

R. Span, Eric W. Lemmon, R. T. Jacobsen, W. Wagner, A. Yokozeki

Crossover SAFT Equation of State and Thermodynamic Properties of Propan-1-ol

November 1, 2000

Author(s)

S B. Kiselev, J F. Ely, Ilmutdin Abdulagatov, Joe W. Magee

Heat Capacity of NaNO 3 (aq) in Stable and Supercooled States. Ion Association in the Supercooled Solution.

November 1, 2000

Author(s)

R W. Carter, Donald G. Archer

The heat capacity of NaNO 3(aq) from 0.1 to 10 mol.kg -1 was measured from 285 to 236 K, or lower temperatures, at 0.1 Mpa, with a differential scanning calorimeter (DSC). A cooling scan method permitted supercooling of the aqueous solutions well below

Ionic Fluids Near Critical Points and at High Temperatures

November 1, 2000

Author(s)

Johanna M.H. Levelt-Sengers, Allan H. Harvey, S. Wiegand