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Displaying 201 - 225 of 370

PVT Measurements for Toluene in the Near-Critical and Supercritical Regions

July 19, 2001

Author(s)

Asbat E. Bazaev, Ilmutdin Abdulagatov, Joe W. Magee, Emil Bazaev, Michail Rabezkii

… isotherms between (591 and 673) K at pressures from (4 to 36) MPa. The measured PVT data for toluene were compared …

LCST Phase Separation in Biodegradable Polymer Blends: Poly(D,L-lactide) and Poly(e -caprolactone)

January 1, 2000

Author(s)

J C. Meredith, Eric J. Amis

… of 86 C and a critical concentration of mass fraction 36% PCL. Optical microscopy of phase-separated films …

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

February 1, 1999

Author(s)

J T. Slusher, Raymond D. Mountain

… the Ewald sum method of Rhee, et al. [Phys. Rev. B, 40, 36, 1989]. The density and solvent orientation profiles are …

Mechanical Properties of Aluminum Nitride Substrates

December 1, 1996

Author(s)

Jay S. Wallace, Lin-Sien H. Lum

Aluminum nitride (AlN),because of its high thermal conductivity, is seeing increased use for heat management applications of semiconductor devices. With the likelihood of large mechanical stresses, both during fabrication as well as in service, mechanical

Optical clock frequency ratios with uncertainty ? 3.2 * 10^-18

January 6, 2026

Author(s)

Alexander Aeppli, Willa Arthur-Dworschack, Kyle Beloy, Caitlin Berry, Tobias Bothwell, Angela Folz, Tara Fortier, Tanner Grogan, Youssef Hassan, Zoey Zimeng Hu, David Hume, Benjamin Hunt, Kyungtae Kim, Amanda Koepke, Dahyeon Lee, David Ray Leibrandt, Ben Lewis, Andrew Ludlow, Mason Marshall, Nicholas Nardelli, Harikesh Ranganath, Daniel Rodriguez Castillo, Jeffrey Sherman, Jacob Siegel, Suzanne Thornton, William Warfield, Jun Ye

We report high-precision frequency ratio measurements between optical atomic clocks based on 27Al+, 171Yb, and 87Sr. With total fractional uncertainties at or below 3.2 × 10−18, these measurements meet the milestone criteria for redefinition of the second

Artificial Neural Network-based Site Amplification Models for Central and Eastern North America

June 19, 2025

Author(s)

Okan ILHAN, Youssef Hashash, Ellen Rathje, Jonathan Stewart, Aspasia Nikolaou, Kenneth Campbell

This paper introduces deep learning/Artificial neural network (ANN)-based response spectrum (RS) and Fourier amplitude spectrum (FAS) site amplification models for Central and Eastern North America (CENA) using over 3.6 million one-dimensional (1D) site

Update of Atomic Data for the First Three Spectra of Actinium

April 22, 2022

Author(s)

Alexander Kramida

… In Ac II, 16 new energy levels have been established, and 36 new identifications have been found for previously …

A pyroelectric detector-based method for low uncertainty spectral irradiance and radiance responsivity calibrations in the infrared using tunable lasers

April 4, 2022

Author(s)

Brian Alberding, John Woodward, Ping-Shine Shaw, Leonard Hanssen, Catherine Cooksey, Joseph P. Rice

… (k=1) was 0.28 % (> 1000 nm), 0.44 % (900 nm), and 0.36 % ( 950 nm and < 900 nm) for PED #1 and 0.34 % (> 1000 …

Reference Correlations for the Viscosity of 13 Inorganic Molten Salts

March 12, 2019

Author(s)

K.A. Tasidou, Ch. D. Chliatzou, Marc J. Assael, K.D. Antoniadis, Sofia K. Mylona, Marcia L. Huber, William A. Wakeham

… (1.6 %), KBr (2.0 %), RbBr (2.2 %), LiCl (3.7 %), NaCl (2.4 %), KCl (1.6 %), RbCl (3.6 %), CsCl (1.1 %), NaI (1.5 %), …

Three-dimensional shape characterization of fine sands and the influence of particle shape on the packing and workability of mortars

December 25, 2018

Author(s)

Edward Garboczi, Jeffrey W. Bullard, Pierre Estephane, Olafur Wallevik

… μm–300 μm, 300 μm–600 μm, 600 μm to 1.18mm and 1.18 mm–2.36 mm. Particle shape was measured and various geometrical …

A Calibration of Timing Accuracy in the NIST Cyber-Physical Systems Testbed

December 18, 2018

Author(s)

Marc A. Weiss, YaShian Li-Baboud, Dhananjay Anand, Kevin G. Brady, Paul A. Boynton, Cuong T. Nguyen, Martin J. Burns, Avi M. Gopstein

… (PTP) grandmaster was found to have a max offset of 36 ns through 2 TCs ± 6 ns one sigma from the grandmaster …

Tunable mid-infrared generation via wide-band four-wave mixing in silicon nitride waveguides

August 27, 2018

Author(s)

Abijith S. Kowligy, Daniel D. Hickstein, Alexander Lind, David Carlson, Henry R. Timmers, Nima Nader, Daniel Maser, Daron Westly, Kartik Srinivasan, Scott Papp, Scott Diddams

We demonstrate wide-band frequency down-conversion to the mid-infrared (MIR) using four-wave mixing (FWM) of near-infrared (NIR) femtosecond-duration pulses from an Er:fiber laser, corresponding to 100 THz spectral translation. Photonic-chip-based silicon

Exposure of Few Layer Graphene to Limnodrilus hoffmeisteri: Uptake, Proteins Secretion and Their Effects on the Graphene

January 6, 2017

Author(s)

Liang Mao, Chuanlin Liu, Kun Lu, Cheng Gu, Elijah Petersen

… an oligochaete, was assessed. After exposure for 36 h to a 1 mg/L solution of FLG, the FLG concentration in …

The Thermodynamic Properties of Propane: From p-r-T to the Equation of State

September 14, 2010

Author(s)

Mark O. McLinden, Eric W. Lemmon

… propane was measured from 265 K to 500 K with pressures to 36 Mpa using a two-sinker densimeter. The measurements extend …

New FTS Measurements, Optimized Energy Levels and Refined VUV Standards in the Ne III Spectrum

January 1, 2006

Author(s)

Alexander Kramida, Gillian Nave

… All observed spectral lines of Ne III in the range 204 to 36 m have been compiled and critically evaluated. An … has been revised by 2 cm-1. The new value is 511541 4 cm-1 (63.4230 0.0005 eV). …

Validation of the Receprocity Law for Coating Photodegradation

October 20, 2004

Author(s)

Joannie W. Chin, Tinh Nguyen, Jonathan W. Martin, E Byrd

… to six different UV radiation intensities ranging from 36 W/m^2 to 322 W/m^2, in the spectral region between 290nm …

Estimation of the Degree of Hydration of Blended Cement Pastes by a Scanning Electron Microscope Point-Counting Procedure

October 1, 2004

Author(s)

X Feng, Edward J. Garboczi, Paul E. Stutzman, T Mason

… of cement in the blended cement pastes ranged from ± 1.4 % to ± 2.2 %. Additionally, the degrees of reaction of the … deviation for the degree of fly ash reaction was ± 4.6% to ± 5.0 %, and ± 3.6 % to ± 4.3 % for slag. All of the analyses suggest that the SEM …

Reaction Kinetics in the Ionic Liquid Methyltributylammonium Bis(trifluoro- methylsulfonyl)imide. Pulse Radiolysis Study of 4-Mercaptobenzoic Acid

October 1, 2002

Author(s)

J Grodkowski, Pedatsur Neta

… Hydrogen-abstraction reactions of various radicals with 4-mercaptobenzoic acid (MB) to produce the 4-carboxyphenylthiyl radical have been studied by pulse … bis(trifluoromethylsulfonyl)imide (R 4 NNTf 2 ). The rate constants in aqueous solutions are in … methylsulfonyl)imide. Pulse Radiolysis Study of 4-Mercaptobenzoic Acid …

Experimental Study of a Water Droplet Impinging on a Liquid Surface

January 1, 2002

Author(s)

Samuel L. Manzello, Jiann C. Yang

… in atmospheric air. The impact velocity was varied from 0.36 m/s-2.2 m/s thus varying the impact Weber number from …

Nondestructive Analysis of Lignin Structure by NMR Spectroscopy of Specifically 13C-Enriched Lignins I: Solic State Study of Ginkgo Wood

January 1, 2002

Author(s)

N Terashima, J Hafren, U Westermark, David L. VanderHart

… of the coniferin precursor were estimated to be: beta-O-4/alpha-O-R (R = H, polysaccharides or lignols) including … % to 57 %; combined beta-5, beta-beta and beta-1, 32 % to 36 %; coniferaldehyde end groups, 2 % to 4 %; and coniferyl alcohol end groups, 4 % to 6 %. …

Upgrades to the NIST/DARPA EUV Reflectometry Facility

December 1, 2001

Author(s)

Charles S. Tarrio, Thomas B. Lucatorto, S Grantham, M B. Squires, Uwe Arp, Lu Deng

… The new chamber was designed to accommodate optics up to 36 cm in diameter and weighing up to 40 kg, and with …

Potential Coefficient of Performance Improvements due to Glide Matching With R-407C

July 1, 1998

Author(s)

M E. Marques, Piotr A. Domanski

Potential improvements of the Coefficient of Performance (COP) were investigated for R-407C at cooling and heating conditions of a residential heat pump. The study used CYCLE-11, a semi-theoretical vapor-compression cycle model, which was upgraded to

Time and Temperature Dependence of High Thermal Stability in NiO/Co/Cu/Co/M Spin Valves

July 1, 1998

Author(s)

Robert D. McMichael, P J. Chen, William F. Egelhoff Jr.

The thermal stability of Cu-Co 'bottom' spin valve structures deposited on NiO has been assessed as a function of temperature, time, and cap layer composition including Au, Ta and Ta xO y. Samples with 5.0 nm thick cap layers of Au showed a reduction in

Minimum Mass Flux Requirements to Suppress Burning Surfaces With Water Sprays (NISTIR 5795)

April 1, 1996

Author(s)

Jiann C. Yang, C I. Boyer, William L. Grosshandler

… from the experiments were found to range from less than 36 mm to 1230 mm for the experiments conducted at 448 kPa + 14 kPa (65.0 psi + 2.0 psi,) and to range from less than 36 mm to 1155 mm for the experiments conducted at 621 kPa + …

Atmospheric refraction and satellite laser ranging, ed. by J.C. deMunck and T.A.Tr. Spoelstra

January 1, 1992

Author(s)

P L. Bender

… Signals in Geodesy Netherlands Geodetic Commission Pub No 36 …

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