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NIST System for Measuring the Directivity Index of Hearing Aids under Simulated Real-Ear Conditions

January 24, 2013

Author(s)

Randall P. Wagner

The directivity index is a parameter that is commonly used to characterize the performance of directional hearing aids, and is determined from the measured directional response. Since this response is different for a hearing aid worn on a person as

Developing a Diffusive Reference Material for VOC Emissions Testing: Pilot Interlaboratory Study

February 25, 2011

Author(s)

Cynthia H. Reed, Zhe Liu, Jennifer Benning, Steven Cox, Daniel V. Samarov, Dennis D. Leber, Al Hodgson, Stephany Mason, Doyun Won, John C. Little

… sides of the sample agreed within 3 % at a sample time of 48 h. The success of this pilot ILS is a key step toward …

Overall and Local Movement Speeds During Fire Drill Evacuations in Buildings up to 31 Stories

September 17, 2010

Author(s)

Richard D. Peacock, Bryan L. Hoskins, Erica D. Kuligowski

… While average movement speeds in the current study of 0.48 m/s ± 0.16 m/s (1.6 ft/s ± 0.52 ft/s) are observed to be … within a given stairwell, ranging from 0.056 m/s to 1.7 m/s (0.18 ft/s to 5.6 ft/s). These data should provide …

Comparison of Clinical Methods with Isotope Dilution ICP-MS for the New Standard Reference Material 955c Lead In Caprine Blood

May 26, 2009

Author(s)

Karen E. Murphy, Thomas W. Vetter, Gregory C. Turk, Christopher D. Palmer, Miles E. Lewis, Ciaran M. Geraghty, Patrick J. Parsons, William F. Guthrie

… lead levels, but excellent agreement near 10 µg/dL (0.48 µmol/L), the current threshold defined by the U.S. Centers …

Effects of the Acetone Content of Single Solution Dentin Bonding Agents on the Adhesive Layer Thickness and the Microtensile Bond Strength

October 16, 2008

Author(s)

B H. Cho, Sabine H. Dickens

… by digitized image analysis. MTBS was measured after 48 h. The fracture surfaces were observed using SEM.Results: …

The Role of Water in the Thermodynamics of Drug Binding to Cyclodextrin

July 1, 2007

Author(s)

Niya Tordorova, Frederick P. Schwarz

… K and at 298.15 K, over a pH range from pH = 6.4 to pH = 7.8 and up to 0.30 M sodium chloride concentration. An in … change ranging from 0 for FLP binding to gCD to -362+48 J mol-1K-1 for FLP binding to bCD. This correlation …

Interfacial Shear Strengths of Dental Resin-Glass Fibers by the Microbond Test

November 1, 2001

Author(s)

Walter G. McDonough, Joseph M. Antonucci, Joy Dunkers

… the standard deviation in MPa for the three systems (n > 7) were: 33.8 (10.1), 34.7 (8.9) and 15.3 (4.2) for the MPTMS silanized, MDTMS … the control fibers remained essentially unchanged at (n > 7) 31.8 (7.7) and 17.5 (4.9) MPa respectively; the MPTMS …

Whisker-Reinforced Dental Core Buildup Composites: Effect of Filler Level on Mechanical Properties

December 1, 2000

Author(s)

Hockin D. Xu, Douglas T. Smith, Gary E. Schumacher, F Eichmiller

… increased from (149 33) for the unfilled resin to (282 48) at 10% filler level, and remained equivalent from 10 to …

Effect of In Vitro Acidification on Plaque Fluid Composition With and Without a NaF or a Controlled-Release Fluoride Rinse

September 1, 1999

Author(s)

Gerald L. Vogel, Z Zhang, Laurence C. Chow, Clifton M. Carey, Gary E. Schumacher, D Banting

… release of fluoride, and other ions, was examined in 48-hour-fasted plaque fluid from subjects (n=11) who received …

Lessons on Return to Function After the 2018 Cook Inlet Earthquake

September 30, 2021

Author(s)

Katherine Johnson, Siamak Sattar, Christopher Segura, Steven McCabe

… The magnitude 7.1 Cook Inlet Earthquake of November 2018 greatly affected …

Racial Disparity in Maternal Phthalates Exposure; Association with Racial Disparity in Fetal Growth and Birth Outcomes

April 10, 2019

Author(s)

Michael S. Bloom, Abby G. Wenzel, John W. Brock, Rebecca J. Wineland, Lori Cruze, Elizabeth R. Unal, Assem Jiyessova, Roger B. Newman, John Kucklick

… 95%CI: 1.22, 6.61) and MEOHP (OR=2.79; 95%CI: 1.05, 7.41) were associated with an overall higher SGA risk, and … 95%CI: 0.63, 16.39) but not African Americans (OR=0.71 95%CI: 0.07, 7.11).. We detected an interaction for MEP with PTB (p=0.02); …

Reduced Bimolecular Recombination in Blade-Coated, High-Efficiency, Small-Molecule Solar Cells

March 22, 2017

Author(s)

Sebastian Engmann, Hyun W. Ro, Andrew A. Herzing, Dean M. DeLongchamp, Chad R. Snyder, Lee J. Richter, Adam J. Barito, David J. Gundlach

The full benefit of emerging solution deposited photovoltaic devices requires development of processes compatible with high speed manufacturing. Extensive studies of the lab-to-fab challenge have been performed on polymer donor based organic photovoltaics

High Resolution Rovibrational Study of the Coriolis-coupled v12 and v15 Modes [1.1.1] Propellane

January 5, 2009

Author(s)

Alfons Weber, Robynne Kirkpatrick, Tony Masiello, N Jariyasopit, J Nibler, Jintao Zhang, Thomas A. Blake

… were fitted for each band, with J, K values ranging up to 71, 51 and 92, 90 respectively. While the transition …

High-Accuracy Determination of the Dependence of the PhotoluminescenceEmission Energy on Alloy Composition in Al x Ga 1-x As Films

April 1, 2003

Author(s)

Lawrence H. Robins, J T. Armstrong, Ryna B. Marinenko, Albert J. Paul, J G. Pellegrino, Kristine A. Bertness

… be dE PL,peak ÷ dx=(1.4017 {plusor minus} 0.0090 eV)-((2.71 {plus or minus} 0.97) × 10 -4 eV ÷ K)(T - 298.3 K). …

Urban-Scale Building Air Change Rate Estimation Using Corrected Wind Speeds and Three-Zone Building Modeling

September 16, 2025

Author(s)

Yasemin Usta, William Dols, Guglielmina Mutani

… to 20 %. In particular, the error was reduced from 68 % to 48 % in December and from 49 % to 32 % in January, …

The role of indoor surface pH in controlling the fate of acids and bases in an unoccupied residence

February 26, 2024

Author(s)

Jenna Ditto, Marc Webb, Han Huynh, Jie Yu, Glenn Morrison, Barbara Turpin, Michael Alves, Kathryn Mayer, Michael Link, Allen Goldstein, Dustin Poppendieck, Marina Vance, Delphine Farmer, Arthur Chan, Jonathan Abbatt

The chemical composition of indoor air is strongly driven by the composition and properties of indoor surfaces. At the Chemical Assessments of Surfaces and Air (CASA) campaign, we performed controlled additions of ammonia (reaching up to 297 ppb to 662 ppb

UniSpec: Deep Learning for Predicting the Full Range of Peptide Fragment Ion Series to Enhance the Proteomics Data Analysis Workflow

February 8, 2024

Author(s)

Joel Lapin, Xinjian (Eric) Yan, Qian Dong

… boosts the identification rate of tryptic peptides by 48% at a 1% false discovery rate (FDR) and 60% at a more …

Semi-automated assembly of high-quality diploid human reference genomes

October 19, 2022

Author(s)

Erich Jarvis, Giulio Formenti, Jennifer McDaniel, Nathanael David Olson, Justin Wagner, Justin Zook, Kerstin Howe, Karen Miga

… most chromosomes within ±1% of the length of CHM13. Nearly 48% of protein-coding genes have non-synonymous amino acid …

A micromirror array with annular partitioning for high-speed random-access axial focusing

October 29, 2020

Author(s)

Nathan T. Ersumo, Cem Yalcin, Nick Antipa, Nicolas Pegard, Laura Waller, Omar D. Lopez, Rikky Muller

… consists of an 8.2 mm diameter array of piston-motion, 48 μm-pitch micromirror pixels that provide 2π phase shifting …

Spin Rotation Induced by Applied Pressure in Cd-Doped Ce 2 RhIn 8 Intermetallic Compound

October 21, 2019

Author(s)

D. S. Christovam, C. Giles, L. Mendonca-Ferreira, Juscelino Leao, William D. Ratcliff, Jeffrey W. Lynn, S. Ramos, E. N. Hering, H. Hidaka, E. Baggio-Saitovich, Z. Fisk, P. G. Pagliuso, C. Adriano

… evolution of the magnetic properties of the Ce 2 RhIn 7.79 Cd 0.21 heavy fermion compound was investigated by … of the ordered antiferromagnetic moment of the Ce 2 RhIn 7.79 Cd 0.21 into the ab tetragonal plane. From the …

Transient Thermal Response of a Guarded-Hot-Plate Apparatus for Operation Over an Extended Temperature Range

January 8, 2018

Author(s)

Robert R. Zarr, William C. Thomas

… (PID) controllers, comprising potentially 48 parameters. Traditional tuning procedures based on …

A Radio Frequency Radiation Reverberation Chamber Exposure System for Rodents

March 17, 2017

Author(s)

Perry F. Wilson, John M. Ladbury, Galen H. Koepke, Capstick Myles, Niels Kuster, Sven Kuhn, Veronica Berdinas-Torres, Yijian Gong, David McCormick, James Gauger, Ronald Melnick

… drinking. The achieved homogeneity was 0.59 dB and 0.48 dB at 900 and 1900 MHz respectively. The temporal …

Neutron Radiography Measurement of Salt Solution Absorption in Mortar

February 1, 2017

Author(s)

Catherine Lucero, Robert Spragg, Dale P. Bentz, Daniel S. Hussey, David L. Jacobson, Jason Weiss

… 12 h as the fluid penetrated and subsequently at 24 h, 48 h, and 96 h. At low concentrations of CaCl2 (10 % by mass) …

Heralding single photons from a high-Q silicon microdisk

November 10, 2016

Author(s)

Xiyuan Lu, Steven Rogers, Thomas Gerrits, Wei Jiang, Sae Woo Nam, Qiang Lin

… source from a high-Q silicon microdisk to as high as 48%. We characterize the photon antibunching properties at …

Benefits and Costs of Research: A Case Study of Improved Service Life Prediction

October 15, 2009

Author(s)

Robert E. Chapman, David T. Butry, Allison L. Huang, Douglas S. Thomas

… these cost savings attributable to BFRL is approximately $48 million. These cost savings measure the value of BFRL s …

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