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Displaying 1201 - 1225 of 1910

Finding the Signal from the Smoke: A Real-Time, Unattended Fire Prevention System Using 3D Convolutional Neural Networks

August 31, 2022

Author(s)

Michael Ngai, Eugene Yujun Fu, Wai Cheong Tam, Grace Ngai, Amber Yang

… FiSS is trained and evaluated with video data from 30 full-scale kitchen fire experiments and can predict …

Real-time Forecast of Compartment Fire and Flashover based on Deep Learning

April 6, 2022

Author(s)

Tianhang Zhang, Zilong Wang, Ho Yin Wong, Wai Cheong Tam, Xinyan Huang, Fu Xiao

… inside the compartment and predict the temperature 30 s in advance with relative errors of less than 10%. The …

A Predictive Formula for the Electron Stopping Power

October 12, 2021

Author(s)

Aleksander Jablonski, S Tanuma, Cedric J. Powell

… power (SP) for electron energies between 200 eV and 30 keV. This formula describes the product of the SP and the …

Facility for calibrating anemometers as a function of air velocity vector and turbulence

July 19, 2021

Author(s)

Iosif Isaakovich Shinder, Michael R. Moldover, James Filla, Aaron Johnson, Vladimir B. Khromchenko

… yaw angle ±180°; pitch angle ±45°; airspeed 1 m s−1 to 30 m s−1; turbulence intensity 0.07 ⩽ Tu ⩽ 0.25; average data …

Considerations for Quantification of Gold Nanoparticles using Time-of-Flight Secondary Ion Mass Spectrometry on a Biologically Relevant Matrix

May 28, 2020

Author(s)

Shinichiro N. Muramoto, Joe Bennett

… test materials containing AuNPs with nominal diameters of (30, 80, 100, and 150) nm deposited onto gelatin with loadings …

Laser-free GHz stroboscopic TEM: components, system integration, and practical considerations for pump-probe measurements

February 24, 2020

Author(s)

June W. Lau, Karl B. Schliep, Michael B. Katz, Vikrant J. Gokhale, Jason J. Gorman

… Striplines (pulsers). An initial temporal resolution of 30 ps was achieved with a strobe frequency of 6.0 GHz. The …

Magnetic Ground State and Magnetic Excitations in Black Dioptase Cu 6 Si 6 O 18

November 1, 2019

Author(s)

A. Podlesnyak, O. Prokhnenko, S. E. Nikitin, A. I. Kolesnikov, M. Matsuda, Sachith E. Dissanayake, Timothy R Prisk, H. Nojiri, I. F. Diaz-Ortega, L. M. Anovitz

… and magnetization measurements in magnetic fields up to 30 T. The intrachain J c and interchain J ab interactions as …

Nonlinear Silicon waveguides produce tunable frequency combs spanning 2.0-8.5 ?m

September 25, 2019

Author(s)

Nima Nader, Abijith S. Kowligy, Jeffrey T. Chiles, Eric J. Stanton, Henry R. Timmers, Alexander J. Lind, Kimberly Briggman, Scott Diddams, Flavio Caldas da Cruz, Richard Mirin, Sae Woo Nam, Daniel M. Lesko

… a dual-comb setup. Individual comb-modes are resolved with 30 dB extinction ratio and 100 MHz spacing in the wavelength …

Tunable Multiferroic Order Parameters in Sr 1-x Ba x Mn 1-y Ti y O 3

August 1, 2019

Author(s)

Kamal Chapagain, Dennis E. Brown, Stanislaw Kolesnik, Saul Lapidus, Bianca Haberl, Jamie Molaison, Chuanlong Lin, Curtis Kenney-Benson, Changyong Park, Jaroslaw Pietosa, Ewa Markiewicz, Bartlomiej Andrzejewski, Jeffrey W. Lynn, Stephan Rosenkranz, Bogdan Dabrowski, Omar Chmaissem

… distortions with large spontaneous polarization values of 30 υC/cm 2 like those of the prototypical nonmagnetic BaTiO 3 …

Improving dielectric nano-resonator-based antireflection coatings for photovoltaics

September 19, 2018

Author(s)

Dongheon Ha, Nikolai B. Zhitenev

… hybrid coatings, absorptivity is enhanced by more than 30 % in a Si solar cell. …

Correspondence: Phantom Phonon Localization in Relaxors

December 5, 2017

Author(s)

Peter M. Gehring, Daniel E Parshall, Leland Weldon Harriger, Christopher Stock, Guangyong Xu, Xiaobing Li, Haosu Luo

… Pb[(Mg0.33Nb0.67)1-xTix]O3 (PMN-xPT) with Ti content x = 0.30. The energy of this extra mode varies little with wave …

In situ Angstrom-to-Micrometer Characterization of the Structural and Microstructural Changes in Kaolinite on Heating using Ultra-Small-Angle, Small-Angle, and Wide-Angle X-ray Scattering (USAXS/SAXS/WAXS)

September 26, 2017

Author(s)

Fan Zhang, Andrew J. Allen, Greeshma Gadikota

… changes to the phase changes in kaolinite on heating from 30 °C to 1150 °C. Combined ultra-small-angle and small-angle …

A Re-Evaluation of the Relativistic Redshift on Frequency Standards at NIST, Boulder

July 18, 2017

Author(s)

Marc A. Weiss, Nikolaos K. Pavlis

… ± 0.06)×10-16 , compared to the value of (-1798.70 ± 0.30) ×10-16, estimated by Pavlis and Weiss in 2003. The minus …

A Comparison of Quality of Dispersion of Single Wall Carbon Nanotubes Using Different Surfactants and Biomolecules

February 19, 2017

Author(s)

Jeffrey W. Gilman, R Haggenmueller, Sameer Rahatekar, Jeffrey Fagan, Jae H. Chun, Matthew Becker, Rajesh R. Naik, Todd Krauss, Lisa Carlson, Shana O. Kelley, Paul C. Trulove, D M. Fox, John Kadla

… oligonucleotides (GT)15, (GT)10, (AC)15, (AC)10, C10-30, and carboxy methylcellulose (CMC-250K) exhibited the …

Field Programmable Josephson Amplifier for non-reciprocal microwave signal processing

February 17, 2017

Author(s)

Florent Q. Lecocq, Leonardo Ranzani, Gabriel A. Peterson, Katarina Cicak, Raymond W. Simmonds, John D. Teufel, Jose A. Aumentado

We report on the design and implementation of a Field Programmable Josephson Amplifier (FPJA) - a compact and lossless superconducting circuit that can be programmed in-situ by a set of microwave drives to perform reciprocal and non-reciprocal frequency

Vibrational Properties of b-KSiH 3 and b-RbSiH 3 : A Combined Raman and Inelastic Neutron Scattering Study

February 1, 2017

Author(s)

Janos Mink, Yuan-Chih Lin, Maths Karlsson, Carin Osterberg, Terrence J. Udovic, Henrik Fahlquist, Ulrich Haussermann

… of libration modes for A=Rb is associated with a 15-30% reduction of the libration force constants of SiH 3 - …

First high-resolution analysis of the nu1, nu3, and nu1+nu3 bands of sulfur dioxide 33S16O2

January 20, 2017

Author(s)

Walter J. Lafferty, Jean-Marie Flaud, T. A. Blake

… (ν3) = 1353.335912(60) cm-1 and ν0 (ν1 +ν3) = 2487.493732(30) cm-1. …

Development of Laboratory Test Methods for RF-Based Electronic Safety Equipment: Guide to the NFPA 1982 Standard

October 31, 2016

Author(s)

Audrey K. Puls, William F. Young, Kate Remley, Jacob L. Healy, Luis A. Gonzalez

… is in distress, has been motionless for more than 30 seconds, or to alert the firefighter in case an evacuation …

Experimentally, How Does Cu TSV Diameter Influence its Stress State?

May 27, 2015

Author(s)

Chukwudi A. Okoro, Lyle E. Levine, Yaw S. Obeng, Ruqing Xu

… Prior to the measurements, the die was annealed at 420 °C (30 min), yielding a fully grown and stable microstructure. …

NIST 10 V Programmable Josephson Voltage Standard System Using a Low Capacity Cryocooler

November 6, 2014

Author(s)

Logan A. Howe, Anna Fox, Alain Rufenacht, Charles J. Burroughs, Paul Dresselhaus, Samuel Benz, Robert E. Schwall

Rising costs of and difficulty in obtaining liquid helium in many areas of the world provides strong motivation for cryogen-free operation of superconducting devices such as NIST Programmable Josephson Voltage Standard (PJVS) systems. However, operation on

Influence of Chemical Straightening on the Stability of Drugs of Abuse in Hair

October 8, 2014

Author(s)

Jeanita Pritchett, Karen W. Phinney

… after a single chemical treatment. Similarly, only 5-30%of the original concentration remained in authentic drug …

Non-destructive Measurement of the Residual Stresses in Copper Through-Silicon Vias using Synchrotron Based Micro-beam X-ray Diffraction

July 1, 2014

Author(s)

Chukwudi A. Okoro, Lyle E. Levine, Yaw S. Obeng, Klaus Hummler, Ruqing Xu

… as compared to the capped Cu TSV which had a value of 99±30 MPa. Finite element based parametric analysis of the …

Cable Heat Release, Ignition, and Spread in Tray Installations During Fire (CHRISTIFIRE) Phase 2: Vertical Shafts and Corridors

September 2, 2013

Author(s)

Kevin B. McGrattan, Scott D. Bareham

… loaded cable trays were positioned horizontally with a 30 cm (1 ft) separation from the ceiling and tray to tray. …

Nitro-Aromatic Explosive Sensing Using GaN Nanowire - Titania Nanocluster Hybrids

May 1, 2013

Author(s)

Albert Davydov, Geetha G. Aluri, Abhishek Motayed, Vladimir P. Oleshko, Kristine A. Bertness, Mulpuri V. Rao

… concentrations as low as 10 ppb in air in approximately 30 s. The noted sensitivity range of the devices for TNT was …

Performance Evaluation of a Robotically Controlled Millimeter-Wave Near-Field Pattern Range At the NIST

April 7, 2013

Author(s)

David R. Novotny, Josh Gordon, Jason Coder, Michael Francis, Jeffrey R. Guerrieri

The Antenna Metrology Laboratory at the National Institute of Standards and Technology, USA (NIST) is developing a robotically controlled near-field pattern range for measuring antennas and components from 50 GHz to 500 GHz. This new range is intended to

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