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Displaying 1126 - 1150 of 1600

Low-Temperature Kinetics of Reactions of OH Radical with Ethane, Propene, and 1-Butene

November 1, 2003

Author(s)

A B. Vakhtin, J E. Murphy, S R. Leone

… molecule -1 S -1 , k 3 difference}= (3.01 0.15) x10 -11 (1.44 0.01) cm 3 molecule -1 S -1 . All three high-pressure rate …

Dynamics Changes in the Molten Globule to Native Folding Step by Quasielastic Neutron Scattering

January 1, 2001

Author(s)

Z Bu, Dan A. Neumann, S H. Lee, Craig Brown, D M. Engelman, Charles C. Han

… a cluster of atoms at 4.4 distance apart for BLA and 5.7 for MBLA are moving collectively on pico-second time …

Effect of Tooth-Bound Fluoride on Enamel Demineralization/Remineralization in Vitro

May 1, 1999

Author(s)

Shozo Takagi, N S. Liao, Laurence C. Chow

… enamel surfaces exposed. The sections were placed in a pH 7 remineralizing solution (RS) (1.2 mmol/L Ca, 0.72 mmol/L PO …

The Conversion of SURF II to SURF III

April 2, 1999

Author(s)

Mitchell L. Furst, R M. Graves, A D. Hamilton, L R. Hughey, R P. Madden, Robert E. Vest, W S. Trzeciak, L Greenler, P Robl, D Wahl

The Electron and Optical Physics Division of the Physics Laboratory has operated the Synchrotron Ultraviolet Radiation Facility (SURF) at the National Institute of Standards and Technology (NIST) for over 30 years. Initially operated in a parasitic mode at

Fabrication of Ultra-Thick Masks for X-ray Phase Contrast Imaging at Higher Energy

February 16, 2025

Author(s)

Daniel Josell, Alessandro Rossi, Sandro Olivo, ioannis Papakonstantinou, Ian Buchanon, Alberto Astolfo, Anton Charman, Daniel Briglin

X-ray phase contrast imaging (XPCI) provides higher sensitivity to low absorbing objects that can be invisible to conventional attenuation-based X-ray imaging. This technique's main application has been so far mostly focused on medical areas at relatively

Development of NIST X-ray Photoelectron Spectroscopy (XPS) Database, Version 5

September 18, 2024

Author(s)

Angela Y. Lee, Cedric J. Powell, Justin Gorham, Adam Morey, John Henry Scott, Robert Hanisch

… database contains critically evaluated data with over 33,500-line positions, chemical shifts, doublet splittings, and …

Comparison of N-glycopeptide to released N-glycan abundances and the influence of glycopeptide mass and charge state on N-linked glycosylation of IgG antibodies

March 7, 2024

Author(s)

Concepcion Remoroza, Meghan Burke Harris, Tytus Mak, Sergey Sheetlin, Yuri Mirokhin, Zachary Goecker, Brian T. Cooper, Mark Lowenthal, Xiaoyu (Sara) Yang, Guanghui Wang, Dmitrii V. Tchekhovskoi, Stephen E. Stein

… N-glycan and glycopeptide abundance over a dynamic range 500. Different charge states of human IgG-derived …

Optimizing optical precision of an image using curved focal plane technology

March 14, 2021

Author(s)

Sujay Swain, Sudhish Swain, Dianne L. Poster, Michael T. Postek

… For the telescope, the curvatures were varied from 0 mm to 500 mm. As the curvature approached the telescope's focal …

Capillary RheoSANS: Measuring the Rheology and Nanostructure of Complex Fluids at High Shear Rates

July 15, 2020

Author(s)

Ryan P Murphy, Zachary W. Riedel, Marshall A. Nakatani, Paul Salipante, Javen S. Weston, Steven D. Hudson, Kathleen M Weigandt

… rates up to 10 6 s -1 and measure pressure drops up to 500 bar. Sample volumes as small as 2 mL are required, which …

Understanding the characteristics of sequence-based single-source DNA profiles

November 9, 2019

Author(s)

Sarah Riman, Hariharan K. Iyer, Lisa A. Borsuk, Peter M. Vallone

… with varying DNA target masses ranging from 15 pg to 500 pg. The STR loci were subjected to DNA library …

Weak Electric-Field Detection with Sub-1 Hz Resolution at Radio Frequencies Using A Rydberg Atom-Based Mixer

April 25, 2019

Author(s)

Joshua A. Gordon, Christopher L. Holloway, Matthew T. Simons, Abdulaziz H. Haddab

… to their strong dipole moments over the frequency range of 500 MHz-1 THz. For this, electromagnetically induced …

Analysis of the systematic force-transmission error of the magnetic-suspension coupling in single-sinker densimeters and commercial gravimetric sorption analyzers

April 23, 2019

Author(s)

Reiner Kleinrahm, Xiaoxian Yang, Mark McLinden, Markus Richter

… ρfluid), and the fluid contribution can reach values up to 500 x 10–6 ρfluid for diamagnetic fluids; for …

MFC Datasets: Large-Scale Benchmark Datasets for Media Forensic Challenge Evaluation

January 11, 2019

Author(s)

Haiying Guan, Mark Kozak, Eric Robertson, Yooyoung Lee, Amy Yates, Andrew Delgado, Daniel F. Zhou, Timothee N. Kheyrkhah, Jeff Smith, Jonathan G. Fiscus

… approximately 5,000 image manipulation journals, and over 500 video manipulation journals with manipulation history …

CCQM-K131 Low-Polarity Analytes in a Multicomponent Organic Solution: Polycyclic Aromatic Hydrocarbons (PAHs) in Acetonitrile

November 30, 2018

Author(s)

David L. Duewer, Lane C. Sander, Stephen A. Wise

… volatility, molecular mass of 100 g/mol up to 500 g/mol, and polarity pKow …

CCQM-K95.1 Low-Polarity Analytes in a Botanical Matrix: Polycyclic Aromatic Hydrocarbons (PAHs) in Tea

November 30, 2018

Author(s)

David L. Duewer, Jacolin A. Murray, Laura J. Wood, Stephen A. Wise

… of organic compounds, with molecular mass of 100 g/mol to 500 g/mol and having polarity pKow …

Double-shear tests of high-strength structural bolts at elevated temperatures

September 28, 2017

Author(s)

Rafaela Peixoto, Mina S. Seif, Luiz Vieira

… different diameters were tested (19 mm (3/4 in), 22 mm (7/8 in), and 25.4 mm (1 in)) at five different temperatures (20 ºC, 200 ºC, 400 ºC, 500 ºC, and 600 ºC). At least three tests were conducted for …

A Clock Ensemble Using Only Active Hydrogen Masers

January 31, 2017

Author(s)

Thomas E. Parker, Stefania Romisch

… only hydrogen masers is identified as TP165. Over the 500-day test interval the number of hydrogen masers in TP162 …

Analytical Multimode Scanning and Transmission Electron Imaging and Tomography of Multiscale Structural Architectures of Sulfur Copolymer-Based Composite Cathodes for Next Generation High-Energy Density Li-S Batteries

December 17, 2016

Author(s)

Vladimir P. Oleshko, Andrew A. Herzing, Christopher L. Soles, Jared J. Griebel, Woo J. Chung, Adam G. Simmonds, Jeff Pyun

… retention (1005 mAh/g at 100 cycles) and lifetimes of over 500 cycles. The composite cathodes are organized in complex …

Study of Direct Lithiation of Thin Si Membranes with Spatially-Correlative Low Energy Focused Li Ion Beam and Analytical Electron Microscopy Techniques

November 22, 2016

Author(s)

Vladimir P. Oleshko, Christopher L. Soles, Kevin A. Twedt, J J. McClelland

… sizes of a few tens of nanometers at energies ranging from 500 eV to 6 keV and beam currents of a few pA, the LiFIB …

Top-down fabrication of horizontally-aligned gallium nitride nanowire arrays for sensor development

July 1, 2015

Author(s)

Guannan Liu, Baomei Wen, Ting Xie, Audie M. Castillo, Ratan K. Debnath, Albert Davydov

This paper describes a method for mass production of CMOS compatible gallium nitride (GaN) nanowire (NW) arrays for sensors and other application. The method uses a top-down etching technique starting from a thin-film GaN layer. The etching process on a

Quantitative Structure-Property Relationship Predictions of Critical Properties and Acentric Factors for Pure Compounds

April 14, 2015

Author(s)

Wendy H. Carande, Andrei F. Kazakov, Chris D. Muzny, Michael D. Frenkel

… molecular structure information, we calculate over 500 descriptors for each compound. A matrix of descriptor …

Simulations of an Attic Fire in a Wood Frame Residential Structure-Chicago, IL

October 17, 2014

Author(s)

Craig G. Weinschenk, Daniel M. Madrzykowski, Kristopher J. Overholt

… of the gases that flowed into the hallway exceeded 260 ◦C (500 ◦F) at face height. Unfortunately, a captain and …

Hybrid Miniature Fabry-Perot Sensor with Dual Optical Cavities for Simultaneous Pressure and Temperature Measurements

April 15, 2014

Author(s)

Hyungdae Bae, Yun David, Haijun H. Liu, Douglas A. Olson, Miao Yu

We present a miniature dual-cavity Fabry-Perot sensor fabricated at the tip of an optical fiber for simultaneous pressure and temperature measurements. The pressure sensing cavity is an extrinsic air cavity created on a polymer housing by using an

The Spectrum of Thorium from 250 nm to 5500 nm: Ritz Wavelengths and Optimized Energy Levels

February 6, 2014

Author(s)

Stephen L. Redman, Gillian Nave, Craig J. Sansonetti

… wavelengths for 19646 thorium lines between 250 nm and 5 500 nm (40000 cm−1 to 1800 cm−1). We have also found 102 new …

Acoustic and electrical properties of Ca3TaGa3Si2O14 piezoelectric resonators at elevated temperatures

November 3, 2013

Author(s)

Ward L. Johnson, Michal Schulz, Holger Fritze

… and LGT. The electrical conductivity over the range from 500°C to 1100 °C is found to be approximately an order of …

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