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Characterizing salt permeability in polyamide desalination membranes using electrochemical impedance spectroscopy

April 27, 2019

Author(s)

Devin L. Shaffer, Kathleen E. Feldman, Edwin Chan, Gery R. Stafford, Christopher Stafford

… salt partition coefficients range from Ks = 0.01 to 0.05. EIS is demonstrated as a valuable tool for studying …

A Reference Equation of State for Heavy Water

December 3, 2018

Author(s)

Stefan Herrig, Monika Thol, Allan H. Harvey, Eric Lemmon

… 1 %. The uncertainty in vapor pressure is mostly within 0.05 %. In the critical region, the uncertainties of calculated …

A Reference Material for Evaluation of Cs-137 Radiochronometric Measurements

August 16, 2018

Author(s)

Kevin B. Lavelle, Richard Essex, Jeffrey T. Cessna, Kevin P. Carney, Cole R. Hexel

… values have been measured, with a reference date of July 7, 2011, for the attributes needed to use the 137Cs/137Ba … counting) and the evaluated half-life of 137Cs, (30.05 ± 0.08) a. The 137Ba* molality of (1.546 ± 0.024) nmol g-1 …

Tuning Color through Sulfur and Fluorine Substitutions in the Defect Tin(II, IV) Niobate Pyrochlores

July 1, 2018

Author(s)

Gabriella Giampaoli, Jun Li, Raphael P. Hermann, Judith K. Stalick, M. A. Subramanian

… is nonstoichiometric Sn 2+6 2-z (Nb 2-y Sn u4+^ y )O 7-zy/2-x S x with the color varying according to x, y and z … band gap is determined to be in the range of 2.35 to 2.05 eV as sample color changes from yellow to orange/red. All …

Extended Hierarchical Solvent Perturbations from Curved Surfaces of Mesoporous Silica Particles in a Deep Eutectic Solvent

June 15, 2018

Author(s)

Joshua A. Hammons, Fan Zhang, Jan Ilavsky

Many applications of deep eutectic solvents (DES) rely on exploitation of their unique yet complex liquid structures at the mesoscopic level. Due to the ionic nature of the DES components, their diffuse structures are known to be affected in the presence

Numerical study of the initial particle parking structure of cement/geopolymer pastes and dissolution of amorphous silica using real-shape particles

December 12, 2017

Author(s)

Edward Garboczi, Yibing Zuo, Zhiwei Qian, Guang Ye

Many particle-based numerical models have been used to simulate the hydration process of cementitious materials. But most of these models employ regular shape particles, such as spheres, to represent cement, slag or fly ash, which neglect the influence of

Collaborative guarded-hot-plate tests between the Laboratoire national de metrologie et dessais and the National Institute of Standards and Technology

January 20, 2017

Author(s)

Robert R. Zarr, William F. Guthrie, Bruno Hay, Alain Koenen

A collaborative study to compare the long-term measurement performance between guardedhot- plate facilities at the Laboratoire national de métrologie et dessais (LNE) in France and the National Institute of Standards and Technology (NIST) in the United

Measuring Temperature in Emission Testing Micro-chambers

October 24, 2016

Author(s)

Dustin G. Poppendieck, Edwin Guillermo, Havishk Tripathi

… ASTM subcommittee D22.05 on Indoor Air is working to finalize WK40293: Standard …

Side Chain Conformational Distributions of a Small Protein Derived from Model-Free Analysis of a Large Set of Residual Dipolar Couplings

November 1, 2015

Author(s)

Fang Li, Alexander Grishaev, Jinfa Ying, Adriaan Bax

… motion-adjusted Karplus equation reduces from 2.05 Hz to 0.75 Hz when using the new rotamer analysis instead …

Analysis of a Half-Scale Composite Floor System Test under Column Loss Scenarios

April 23, 2015

Author(s)

Joseph A. Main, Jonathan M. Weigand, Eric S. Johnson, Tim Francicso, Judy Liu, Jeffrey W. Berman, Larry A. Fahnestock

This paper describes modeling and analysis of a half-scale steel gravity frame system with composite concrete slab on steel deck that was constructed and tested at the University of Illinois under corner, edge, and interior column removal scenarios. For

Reference Diffraction Patterns, Microstructure, and Pore Size Distribution for the Copper (II) benzene-1,3,5-tricarboxylate Metal Organic Framework (Cu-BTC) Compounds

March 1, 2015

Author(s)

Winnie K. Wong-Ng, James A. Kaduk, Daniel W. Siderius, Andrew J. Allen, Laura Espinal, Brad Boyerinas, Igor Levin, Matthew Suchomel, Jan Ilavsky, Eric J. Cockayne, Hui Wu

… Å. The free volume for d-Cu-BTC is approximately 71.85 ± 0.05 % of the total volume and is reduced to approximately …

Movement on Stairs During Building Evacuations

September 25, 2014

Author(s)

Erica D. Kuligowski, Richard Peacock, Paul A. Reneke, Emily A. Wiess, Jason D. Averill, Robert Hagwood, Enrico Ronchi, Bryan Hoskins, Michael Spearpoint

… to vary widely within a given stairwell, ranging from 0.05 m/s to 1.26 m/s. These data should provide confirmation of …

Compressed-liquid density measurements of three alternative turbine fuels

August 10, 2014

Author(s)

Stephanie L. Outcalt

Heavier kerosene based liquid fuels for aircraft and rockets are required to meet stringent performance specifications. Nevertheless, the escalating cost, unpredictable supply, and environmental impacts of traditional petroleum based fuels used for that

Advanced designs for non-imaging submillimeter-wave Winston cone concentrators

May 21, 2014

Author(s)

Andrew O. Nelson, Erich N. Grossman

We describe the design and simulation of several non-imaging concentrators designed to couple submillimeter wavelength radiation from free space into highly overmoded, rectangular, WR-10 waveguide. Previous designs are altered to improve the uniformity of

Dependence of Soot Optical Properties on Particle Morphology: Measurements and Model Comparisons

February 18, 2014

Author(s)

James Radney, Rian You, Xiaofei Ma, Joseph Conny, Michael R. Zachariah, Joseph T. Hodges, Christopher D. Zangmeister

… particle mass, with mass absorption coefficients between 5.7 m2 g-1 and 6 m2 g-1, mass extinction coefficients between …

Evaluation of optical radiation detectors in the range from 0.8 mm to 20 mm at the NIST infrared spectral calibration facility

November 26, 2012

Author(s)

Vyacheslav B. Podobedov, George P. Eppeldauer, Thomas C. Larason

Analysis of multiple factors affecting the uncertainty of the absolute spectral responsivity of optical radiation detectors is presented. This includes both the validation of the radiometric scale of the infrared reference detectors and the scale transfer

East versus West: Organic Contaminant Differences in Brown Pelican (Pelecanus occidentalis) Eggs from South Carolina, USA and the Gulf of California, Mexico

November 1, 2012

Author(s)

Stacy S. Schuur, Daniel W. Anderson, Patrick G. Jodice, Joyce E. Stuckey

… The South Carolina population had signiﬁcantly (P b 0.05) higher levels of polychlorinated biphenyls (PCBs), …

Lunar Spectral Irradiance and radiance (LUSI): new instrumentation to characterize the Moon as a space-based radiometric standard

July 17, 2012

Author(s)

Allan W. Smith, Steven R. Lorentz, Raju V. Datla, Thomas C. Stone

The need to understand and monitor climate change has led to proposed radiometric accuracy requirements for space-based remote-sensing instruments that are very stringent and currently beyond the reach of many Earth orbiting instruments. A major problem is

Limitations of X-ray reflectometry in the presenceof surface contamination

June 13, 2012

Author(s)

Donald A. Windover, David L. Gil

Intentionally deposited thin films exposed to atmosphere often develop unintentionally deposited few monolayer films of surface contamination. This contamination arises from the diverse population of volatile organics and inorganics in the atmosphere. Such

Surface conduction of topological Dirac electrons in bulk insulating Bi2Se3

April 15, 2012

Author(s)

Dohun Kim, Sungjae Cho, Nicholas P. Butch, Paul Syers, Kevin Kirshenbaum, Shaffique Adam, Johnpierre Paglione, Michael S. Fuhrer

The newly-discovered three-dimensional strong topological insulators (STIs) exhibit topologically-protected Dirac surface states. While the STI surface state has been studied spectroscopically by e.g. photoemission and scanned probes, transport experiments

Standards of Seismic Safety for Existing Federally Owned and Leased Buildings - ICSSC Recommended Practice 8 (RP 8)

December 14, 2011

Author(s)

William Holmes, David Bonowitz, James Cagley, Chris Poland

… of Existing Buildings, in conjunction with ASCE/SEI 7-05, Minimum Design Loads for Buildings and Other …

Persistent Organic Pollutants in Blood Plasma of Satellite-Tracked Adult Male Loggerhead Sea Turtles (Caretta caretta)

March 10, 2011

Author(s)

Jared M. Ragland, Michael D. Arendt, John Kucklick, Jennifer Lynch

Organohalogen contaminant (OHC) threats remain largely a mystery for threatened loggerhead sea turtles (Caretta caretta). This study examines regional-scale OHC differences in blood plasma from adult male C.caretta based on movement patterns. Turtles were

Ventilation Rates and Health: Multidisciplinary Review of the Scientific Literature

November 25, 2010

Author(s)

Andrew K. Persily, Jan Sundell, Hal Levin

The scientific literature through 2005 on the effects of ventilation rates on health in non-industrial indoor environments (offices, schools, homes, etc.) has been reviewed by a multidisciplinary group of scientists from diverse fields relevant to indoor

Variations in Cross-link Density with Deposition Pressure in Ultrathin Plasma Polymerized Benzene and Octafluorocyclobutane Films

September 1, 2010

Author(s)

Someswara R. Peri, Brian Habersberger, Bulent Akgun, Hao Jiang, Jesse Enlow, Timothy J. Bunning, Charles Majkrzak, Mark D. Foster

… Vapor Deposition (PECVD) at two pressures (0.6 and 0.05 torr) reveal that under both deposition conditions there …

Reactive MALDI Mass Spectrometry of Saturated Hydrocarbons: A Theoretical Study

May 1, 2010

Author(s)

William E. Wallace, Lewandowski Hans, Meier J. Robert

Recently it has been shown that the cobaltocenium cation, prepared by the laser ablation of a CoCp(CO)2/fullerene matrix, may react with alkanes and polyethylenes in the gas phase via a dehydrogenation reaction to produce [Co(Cp)2(alkadiene)]+ ions without

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