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Displaying 976 - 1000 of 1910

Reduction in dentin permeability using mildly supersaturated calcium phosphate solutions

February 1, 2004

Author(s)

Ai-Shuan(Maria) Cherng, Laurence C. Chow, Shozo Takagi

… (mM) each of calcium and phosphate, 0.25 mM fluoride, 30 mM KCl, and 50 mM HEPES buffer (pH adjusted to 7.0). The …

Fluorescence Enhancement in Non-Contact and Dynamic-Force Apertureless Near-Field Scanning Optical Microscopy

November 1, 2002

Author(s)

V V. Protasenko, Alan Gallagher, David Nesbitt

… probe is located over the QD and spatially resolved with 30 nm full width at half maximum when the ANSOM is operating …

High Frequency Dielectric Relaxation in Polymers Filled With Ferroelectric Ceramics

June 1, 2002

Author(s)

N Noda, Jan Obrzut

… 50 m to 100 m thick, with a dielectric constant of 3.2 to 30, was fitted to a dielectric model expressed as a …

Ballistic Magnetoresistance in a Nanocontact Between a Ni Cluster and a Magnetic Thin Film

October 1, 2001

Author(s)

M Munoz, G G. Qian, N Karar, H. Cheng, I G. Saveliev, N Garcia, Thomas P. Moffat, P J. Chen, L Gan, William F. Egelhoff Jr.

… is estimated from the electrical resistance to be 10 nm to 30 nm. Ballistic magnetoresistance values up to 14 % are …

Influence of Particle Size and Solid Loading on the Determination of the Isoelectric Point (IEP) of Ceramics Powders by Different Methods

September 1, 2001

Author(s)

Hisashi Abe, M Naito, R Wasche, Vincent A. Hackley, Y Hotta

… of the powder surface. The IEP of two alumina powders (AKP-30 Grade A) with different particle size characteristics in …

BFRL Publications, 2000, Volumes 1 and 2

May 1, 2001

Author(s)

Star R. Burgess, Glenn P. Forney, Nora H. Jason

BFRL Publications, 2000, contains publications produced by or for BFRL staff during 2000. Volume 1 contains Building Research Publications and Volume 2 contains Fire Research publications. We also have included software for solving problems related to

Halocarbons 1: Methane Derivatives

October 1, 2000

Author(s)

Arno D. Laesecke

… This poster (47 in x 30 in) shows ab initio computed structures of the chlorine …

Evaluating Evaluation Measure Stability

July 1, 2000

Author(s)

C E. Buckley, Ellen M. Voorhees

… equally reliable. As an example, we show that Precision at 30 documents has about twice the average errorrate as Average …

Polarization Distribution in Ceramic-Polymer Nanocomposites

September 1, 1999

Author(s)

P Bloss, A S. DeReggi, H J. Glasel, E Hartmann, D Hirsch, H Schafer

… Films of powder/monomer dispersion (thickness difference 30 micro}mu) were cured by irradiation with an electron beam …

Kinetic Studies of the Reactions of IO Radicals Determined by Cavity Ring-Down Spectroscopy

July 14, 1999

Author(s)

D B. Atkinson, Jeffrey W. Hudgens, A J. Orr-Ewing

… s -1 at the pressures of 1250 Pa (9.4 Torr) and 4000 Pa (30.1 Torr). For the IO A 2 Π 3/2 - X 2 Π 3/2 (2,0) bandhead …

A New NIST Automated Calibration System for Industrial-Grade Platinum Resistance Thermometers

September 1, 1998

Author(s)

Gregory F. Strouse, Billy W. Mangum, C D. Vaughn, E Xu

… Scale of 1990, is used with a commercially available 30 Hz automatic-balancing ratio bridge to determine the …

Capacitance and Dissipation Factor Measurements from 1 kHz to 10 MHz

July 1, 1998

Author(s)

Andrew D. Koffman, Bryan C. Waltrip, Nile M. Oldham, S. Avramov

… bridge and wideband single port measurements made between 30 MHz and 200 MHz using a network analyzer. The measurement …

Performance of R-22 Alternative Refrigerants in a System With Cross-Flow and Counter-Flow Heat Exchangers (NISTIR 5945)

January 1, 1997

Author(s)

M H. Kim, Piotr A. Domanski, David Didion

… of R-22 and four alternative fluids, R-134a, R-32/134a (30/70), R-407C, and R-410A, at operating conditions typical …

Temperature-Dependent Yourn's Modulus of an SIC w /Al 2 O 3 Composite

March 1, 1994

Author(s)

M Weller, H M. Ledbetter

… K) Young's modulus of a ceramic-ceramic composite with a 0.30 volume fraction of SiC whiskers in an Al 2 O 3 matrix. …

Flux-Pinning of Bi 2 Sr 2 CaCu 2 O 8 High T c Superconducting Tapes Utilizing (Sr,Ca) 14 Cu 24 O 41 and Sr 2 CaAl 2 O 6 Defects

February 19, 2017

Author(s)

T J. Haugan, Winnie Wong-Ng, Lawrence P. Cook, L Swartzendruber, H J. Brown, D T. Shaw

… showed improvement for 1T applied fields in the 20 K to 30 K range. Transport J c (4.2 K, 0 T) of N = 15 and N = 15+alum composition tapes were approximately equal to} 30 % and approximately equal to} 5 %, respectively, of N = 0 …

2014 INTERNATIONAL TECHNOLOGY ROADMAP FOR SEMICONDUCTORS RADIO FREQUENCY AND ANALOG/MIXED-SIGNAL TECHNOLOGIES

September 25, 2014

Author(s)

Herbert S. Bennett

… (LF) 0.0 GHz 0.4 GHz, radio frequency (RF) 0.4 GHz 30 GHz, millimeter-wave (mm-wave) 30 GHz 300 GHz, and terahertz (THz) greater than 300 GHz. …

Real-time measurements of plasma photoresist modifications: The role of plasma vacuum ultraviolet radiation and ions

May 23, 2012

Author(s)

Weilnboeck Florian, Nirav Kumar, Gottlieb Oehrlein, Ting-Ying Chung, D Graves, Mingqi Li, Eric A. Hudson, Eric C. Benck

… dominated and bulk material modifications saturated after ≈30 s. By comparison, for 248nm PR film thickness reduction … established within 3 s to 5 s. During this time period ≈30% of the saturation UV/VUV modificatio …

Effect of Silicon Carbide Whisker-Silica Heat Treatment on the Reinforcement of Dental Resin Composites

January 1, 2001

Author(s)

Hockin D. Xu, Janet Quinn

… temperatures of 500, 650, 800, 950, and 1100 C for 10 min, 30 min, and 3 h. The mixtures were then silanized, … into 2 x 2 x 25 mm molds and heat-cured at 140 C for 30 min. A three-point flexural test was used to measure …

Sterochemical Outcome and Kinetic Effects of Rp and Sp-Phosphorothioate Substitutions at the Cleavage site of Vaccinia Type I DNA Topoisomerase

February 1, 2000

Author(s)

J T. Stivers, B Nawrot, J. Jagadeesh, W J. Stec, S Shuman

… substrates showed thio effects (K Pd&/K u)s^) of 340- and 30-fold for the Rp-Ps and Sp-Ps stereoisomers, respectively, … the reverse single-turnover religation reaction (Rp-Ps = 30 and Sp-Ps = 3). As compared to the smaller suicide …

DEVELOPING NIST ROCKWELL HARDNESS DIAMOND INDENTER SRMS BASED ON ISO 6508-3:2015 STANDARD

August 30, 2015

Author(s)

Jun-Feng Song, Samuel R. Low III, Thomas B. Renegar, Li Ma

… Congress Measurement in Research and Industry August 30 ¿ September 4, 2015, Prague, Czech Republic …

"A five-year-old could understand it" versus "This is way too confusing": Exploring Non-expert Understandings and Perceptions of Cybersecurity Definitions

April 28, 2025

Author(s)

Lorenzo Neil, Charlotte Healy, Julie Haney

… we performed a semi-structured interview study with 30 non-experts of different generations (ages) and education …

Fiscal Year 2024 Annual Report for NIST Cybersecurity and Privacy Program

April 28, 2025

Author(s)

Patrick O'Reilly, Kristina Rigopoulos

… 2024 (FY 2024) — from October 1, 2023, through September 30, 2024 — the NIST Information Technology Laboratory (ITL) …

Time transfer performance of Broadcast Positioning System (BPS)

January 28, 2025

Author(s)

Tariq Mondal, Jeffrey Sherman, David Howe

The Global Positioning System (GPS) is the most prevalent Global Navigation Satellite System (GNSS) that provides Position, Navigation, and Timing (PNT). GNSS vulnerability is well-known, and the search continues to find another independent system that can

Advances in Yeast Synthetic Biology for Human GPCR Biology and Pharmacology

July 29, 2024

Author(s)

Geoffrey Taghon, Nicholas Kapolka, Daniel Isom

… prominent therapeutic targets in medicine. Although over 30% of current FDA-approved drugs target GPCR signaling, most …

On-Wafer Capacitor Characterization Including Uncertainty Estimates Up to 1.0 THz

July 19, 2024

Author(s)

Robert Jones, Jerome Cheron, Benjamin Jamroz, Dylan Williams, Ari Feldman, Peter Aaen, Christian Long, Nathan Orloff

… sources result in a large prediction interval that is 30.2% of the capacitor's value (14.9 ±4.5 fF) at 900 GHz with …

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