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Displaying 1 - 25 of 1412

Vapor Pressure Measurements on Biodiesel Esters by the Concatenated Gas Saturation Method

January 3, 2011
Author(s)
Jason A. Widegren, Thomas J. Bruno
… was to determine vapor pressures for saturated biodiesel esters at the low-temperature end of their liquid range. A … vapor pressure curve in the same range as the biodiesel esters, was included as a control compound. Importantly, the … the low uncertainty of the measurements on the biodiesel esters. Over this temperature range, the measured vapor …

Density and Speed of Sound Measurements on Five Fatty Acid Methyl Esters at 83 kPa and Temperatures from (278.15 to 338.15) K

September 20, 2008
Author(s)
Lisa S. Ott, Marcia L. Huber, Thomas J. Bruno
… The densities and velocities of sound of five fatty acid methyl esters (FAMEs) were measured at approximately 83 kPa … biodiesel fuel, density, fatty acid methyl esters (FAMEs), velocity of sound … Density and Speed of Sound Measurements on Five Fatty Acid Methyl Esters at 83 kPa and Temperatures from (278.15 to …

Ignition Delay of Fatty Acid Methyl Ester Fuel Droplets: Microgravity Experiments and Detailed Numerical Modeling

June 1, 2010
Author(s)
Anthony J. Marchese, Timothy L. Vaughn, Kenneth Kroenlein, Frederick L. Dryer
… studies have linked increases in NOx emissions from fatty acid methyl ester combustion to differences in the premixed autoignition … transient, partially premixed autoignition zone of a fatty acid methyl ester fuel jet. Normal gravity and microgravity … Ignition Delay of Fatty Acid Methyl Ester Fuel Droplets: Microgravity Experiments and …

Advanced Distillation Curve Analysis on Ethyl Levulinate as a Diesel Fuel Oxygenate and a Hybrid Biodiesel Fuel

March 10, 2011
Author(s)
Bret Windom, Tara Lovestead, Mark Mascal, Edward Nikitin, Thomas J. Bruno
… converts the carbohydrates found in plant biomass into ethyl levulinate, which has properties making it a possible … fuels. The first part of this two-part study focused on ethyl levulinate as a possible diesel fuel oxygenate … by investigating the volatility of petroleum diesel/ethyl levulinate mixtures. Distillation curves were measured …

Influence of Processing Rate and Formulation on the Interface Strength of Vinyl Ester/E-Glass Composites

April 1, 2002
Author(s)
Walter G. McDonough, Joy Dunkers, Gale A. Holmes, E Feresenbet, Y H. Kim, Richard~undefined~undefined~undefined~undefined~undefined Parnas
… min. The interfacial properties of E-glass fibers in vinyl ester resin were measured with single fiber fragmentation … and an automated testing machine. We found that vinyl ester resins catalyzed with methyl ethyl ketone peroxide and … processing, single fiber fragmentation test, vinyl ester resin …

NIST Fatty Acid Quality Assurance Program 2017 Final Report

October 1, 2019
Author(s)
Bruce A. Benner Jr., Jacolin A. Murray
… Standards and Technology (NIST) conducted the fourth Fatty Acid Quality Assurance Program (FAQAP) interlaboratory study of fatty acid (FA) concentrations in human serum. This 2017 FAQAP … of free FAs (extraction and measurement prior to acid/base hydrolysis) and total FAs (measurement after …

The Boundary Lubrication Properties of Model Esters

January 1, 2001
Author(s)
P M. McGuiggan
… The friction of three chemically distinct esters was measured in order to determine how molecular … boundary lubrication, esters, friction, surface forces apparatus … The Boundary Lubrication Properties of Model Esters …

Stepwise extraction, chemical modification, GCMS separation,and determination of amino acids in human plasma

March 1, 2018
Author(s)
Nino G. Todua, Johanna Camara, Jacolin A. Murray, Anzor I. Mikaia
… A method for isolation of enriched fractions of amino acids from human plasma followed by derivatization, gas … and most long-chain saturated and unsaturated aliphatic acids, and (b) further solubilization with water produces mainly a concentrate of amino acids. Chemical modification of amino acids with methyl …

A Coherent Approach for Interrogating Polybenzoxazole Fibers for Residual Phosphoric Acid

September 17, 2009
Author(s)
Gale A. Holmes, Eun S. Park, Charles M. Guttman, Kathleen M. Flynn, John R. Sieber, Stephanie S. Watson, Kirk D. Rice
… ring was susceptible to hydrolytic degradation under acid conditions. Because of the processing conditions for the … is suspected by many researchers that residual phosphoric acid causes the degradation of the benzoxazole ring that … data has been given to indicate the presence of phosphoric acid since the residual phosphorus is not easily extracted …

Flammability Studies of New Cyanate Ester Resins

May 4, 1997
Author(s)
Jeffrey W. Gilman, Richard H. Harris Jr., James E. Brown
… We have synthesized several new cyanate ester functionalized polystyrene polymers and copolymers. … cyanate ester, flammability, synthesis, polyptyrene, toughening … Flammability Studies of New Cyanate Ester Resins …

NMR Analysis of Metabolic Responses to Extreme Growing Conditions of the Temperature-Dependent Coral Pathogen Vibrio coralliilyticus

December 5, 2011
Author(s)
Arezue Boroujerdi, Stephen S. Jones, Dan Bearden
… of the bioplastic-type compound (BTC) 2-buteonic acid, 2-carboxy-1-methylethyl ester by V. coralliilyticus. The presence of maltose and … polymeric PHA), its structure is common with the repeated ester monomer of PHAs. The three metabolites along with the … NMR, Vibrio coralliilyticus, metabolomics, 2-butenoic acid, 2-carboxy-1-methylethyl ester, …

Modeling the Vapor Pressure of Biodiesel Fuels

February 22, 2012
Author(s)
O. Castellanos Diaz, F. Schoeggl, H.W. Yarranton, Marco Satyro, Tara Lovestead, Thomas J. Bruno
… is modeled assuming an ideal liquid phase of the fatty acid methyl esters constituting the fuel. New methodologies … biodiesel fuels, fatty acid methyl ester, vapor pressure, heat capacity, modeling …

An Improved Synthesis of Ethyl Alpha-Hydroxymethylacrylate, a Unique Isomeric Analog of HEMA

August 1, 2000
Author(s)
Joseph M. Antonucci, J W. Stansbury, Bruce O. Fowler
… use as a biomaterial. A unique isomeric analog of HEMA, ethyl-α-hydroxymethyl acrylate (EHMA) was synthesized in the … 2-hydroxyethylmethacrylate, conversion, ethyl α-hydroxymethylacrylate, photopolymerization, sythesis, … An Improved Synthesis of Ethyl Alpha-Hydroxymethylacrylate, a Unique Isomeric Analog …

Thermal Decomposition Kinetics of Polyol Ester Lubricants

November 18, 2016
Author(s)
Kimberly N. Urness, Raina V. Gough, Jason A. Widegren, Thomas J. Bruno
… the global thermal decomposition kinetics of four polyol ester lubricant base oils, in addition to a fully qualified … Thermal Decomposition Kinetics of Polyol Ester Lubricants …

Rate Coefficients and Products of Ethyl and Vinyl Cross-Radical Reactions

November 1, 2002
Author(s)
Askar Fahr, D C. Tardy
… Rate constant and products of vinyl (H 2 C=CH) and ethyl (C 2 H 5 ) cross-radical reactions have been determined … temperature and 93 kPa (700 Torr) pressure. Vinyl and ethyl radicals were produced simultaneously through the … cross-reactions, ethyl radicals, ethylvinylketone, products, reaction …

Evaluation of Method-Specific Extraction Variability for the Measurement of Fatty Acids in a Candidate Infant/Adult Nutritional Formula Reference Material

January 12, 2017
Author(s)
Benjamin J. Place
… extraction techniques were evaluated to quantify the fatty acids in the new material. Extraction methods that were based … resulted in lower mass fraction values for all fatty acids than the values measured by methods utilizing in situ … fatty acids, infant formula, standard reference material, GC-FID …

Ethyl-A-Hydroxymethylacrylate, a Novel Isomeric Analog of 2-Hydroxyethyl Methacrylate (HEMA)

January 1, 2000
Author(s)
Joseph M. Antonucci, J W. Stansbury, Bruce O. Fowler
… potential. Recently a unique isomeric analog of HEMA, ethyl-1-hydroxymethylacrylate (EHMA), was synthesized. This … 2-hydroxyethyl methacrylate, degree of conversion, ethyl-α-hydroxyethyl methacrylate, hydrophilicity, isomers, … Ethyl-A-Hydroxymethylacrylate, a Novel Isomeric Analog of …

Correlations for the Viscosity and Thermal Conductivity of Ethyl Fluoride (R161)

May 17, 2017
Author(s)
Ch. M. Tsolakidou, Marc J. Assael, Marcia L. Huber, Richard A. Perkins
… correlations for the viscosity and thermal conductivity of ethyl fluoride (R161) based on critically evaluated … critical phenomena, ethyl fluoride, viscosity, R161, thermal conductivity, … Correlations for the Viscosity and Thermal Conductivity of Ethyl Fluoride (R161) …

A METHODOLOGY FOR DETECTING RESIDUAL PHOSPHORIC ACID IN POLYBENZOXAZOLE FIBERS

November 24, 2009
Author(s)
Eun S. Park, John R. Sieber, Charles M. Guttman, Kirk D. Rice, Kathleen M. Flynn, Stephanie S. Watson, Gale A. Holmes
… Recently, it was suggested that residual phosphoric acid left during the processing of poly[(benzo [1,2-d:5,4-d … In this study, we tried to identify residual phosphoric acid in PBO fibers in an effort to understand the failure of … Ballistic fiber, Phosphoric acid, Polybenzoxazole, X-ray fluorescence, Gas …
Displaying 1 - 25 of 1412
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