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Displaying 1676 - 1700 of 2521

Properties of Nanoporous Silica Thin Films Determined by High-Resolution X-Ray Reflectivity and Small-Angle Neutron Scattering

February 1, 2000

Author(s)

Wen-Li Wu, William E. Wallace, Eric K. Lin, G W. Lynn, Charles J. Glinka, E T. Ryan, H M. Ho

… 0.5)% and the coefficient of thermal expansion was (60 20)X10 -6 / C from room temperature to 175 C. Lastly, model …

Effects of Defocus and Algorithm on Optical Step Height Calibration

July 1, 1999

Author(s)

Theodore D. Doiron, Theodore V. Vorburger, P Sullivan

Defocus effects on step height measurements by interferometric microscopy are estimated using different algorithms to calculate the step height. The interferometric microscope is a Mirau-type with a 20x objective and a numerical aperture (NA) of 0.4. Even

Numerical Simulation of Atomization Gas Flows

December 1, 1998

Author(s)

Pedro I. Espina, Stephen D. Ridder, U Piomelli, Frank S. Biancaniello

… values of base pressure, however, only within 10-20% of the experimental values. Results from the pressure …

Time and Temperature Dependence of High Thermal Stability in NiO/Co/Cu/Co/M Spin Valves

July 1, 1998

Author(s)

Robert D. McMichael, P J. Chen, William F. Egelhoff Jr.

… for 0.5 hr anneals up to 325 C. Decreases in GMR from 12.7% to 3.9% following a 20 h anneal at 325 C are accompanied by significant changes …

High Resolution Vibrational Overtone Studies of HOD and H 2 O With Single Mode, Injection Seeded Ring Optical Parametric Oscillators

December 1, 1997

Author(s)

O Votava, J R. Fair, David F. Plusquellic, E Riedle, David Nesbitt

… at near Fourier transform limited resolution [δŅ=160(20) MHZ] with peak output energies greater then or equal to} …

Experimental Evaluation of the Flammability and Performance Potentials of Two Azeotropic Refrigerant Mixtures

May 9, 1993

Author(s)

M S. Kim, W. J. Mulroy, David Didion

… R-600a (Isobutane): R-290/134a (45/55), R-134a/600a (80/20). The flammability limit of R-290/134a is found as …

Combustion of Oil on Water.

November 1, 1987

Author(s)

Howard R. Baum, George W. Mulholland, D D. Evans, B J. McCaffrey, M F. Harkleroad, W F. Manders

… of the induced air flow into a simulated distribution of 20 fires over a 100 m x 100 m area showed that the maximum …

Effect of Ventilation on the Rates of Heat, Smoke, and Carbon Monoxide Production in a Typical Jail Cell Fire.

March 1, 1982

Author(s)

B T. Lee

… generally exceeded the ignition threshold value of about 20 kW/m(2) for clothing, bedding, and other light combustible …

The CLEAR 2006 Evaluation

Author(s)

Rainer Stiefelhagen, Keni Bernardin, Rachel J. Bowers, John S. Garofolo, Djamel Mostefa, K Soundararajan

… as well as acoustic scene analysis. Overall, more than 20 subtasks were conducted, which included acoustic, visual …

Preconceptual Design Activities of the NIST Neutron Source: Preliminary Neutronics Assessments

November 26, 2024

Author(s)

Osman Celikten, Abdullah Weiss, Dagistan Sahin

… the NIST Neutron Source, or NNS. The NNS is proposed as a 20 Megawatt thermal (MWth) compact-core-reactor, cooled and …

Analysis of High Bay Hangar Facilities for Detector Sensitivity and Placement

May 20, 1996

Author(s)

Kathy A. Notarianni, J E. Gott

… Engineers (SFPE). Honors Lecture Series. Proceedings. May 20, 1996. Engineering Seminars: Fire Protection Design for …

Spatial Uniformity and Resolution in Inkjet-Printed 241Am Phantoms Imaged by Digital Autoradiography

August 15, 2025

Author(s)

Sean Jollota, Denis Bergeron, Andrew Nupp, R Verkouteren, Svetlana Nour, Ryan Fitzgerald, Ohyun Kown, Jeffrey Radtke, Bryan Bednarz, Brian Miller, Larry DeWerd

… nickel substrates. Imaging was performed at 10 μm² and 20 μm² pixel resolutions, with normalization and alignment …

Demonstration of a 1,820 channel microwave superconducting quantum1 interference device multiplexer for transition-edge sensor bolometers

July 15, 2025

Author(s)

John Groh, Jason Austermann, James Beall, Shannon Duff, Johannes Hubmayr, Richard Lew, Michael Link, Tammy Lucas, John Mates, Robinjeet Singh, Joel Ullom, Leila Vale, Jeffrey Van Lanen, Michael Vissers

The scalability of most transition-edge sensor arrays is limited by the multiplexing technology which combines their18 signals over a reduced number of wires and amplifiers. In this letter, we present and demonstrate a new multiplexer19 design optimized

Entropy-assisted nanosecond stochastic operation in perpendicular superparamagnetic tunnel junctions

July 2, 2025

Author(s)

Lucile Soumah, Louise Desplat, Nhat-Tan PHAN, Ahmed SIDI EL VALLI, Advait Madhavan, Florian DISDIER, Auffret Stephane, Ricardo Sousa, Ursula Ebels, Mark Stiles, Philippe Talatchian

… we report measured mean dwell times as low as 2.7 ns under an in-plane applied field at negligible bias … in perpendicular SMTJs, which can be scaled down below 20 nm. …

Changes in the Chemical Composition of Polyethylene Terephthalate Under UV Radiation in Various Environmental Conditions

August 8, 2024

Author(s)

Li Piin Sung, Rachel Cook, Chunlei Fan, YueJin Li, Sara Rostampour

… with varying temperatures (30 ◦C, 40 ◦C, and 50 ◦C) for up 20 days. ATR-FTIR was used to characterize the chemical …

Final Search for Short-Baseline Neutrino Oscillations with the PROSPECT-I Detector at HFIR

June 14, 2024

Author(s)

Hans Pieter Mumm, Manoa Andriamirado, Baha Balantekin, Christopher Bass, Ohana Benevides Rodrigues, Ethan Bernard, Nathaniel Bowden, Christopher Bryan, Rachel Carr, Timothy Classen, Andrew Conant, Geoffrey Deichert, Michelle Dolinski, Anna Erickson, Alfredo Galindo-Uribarri, Sasmit Gokhale, Chris Grant, Sunej Hans, Adam Hansell, Karsten Heeger, Blaine Heffron, David Jaffe, Shashank Jayakumar, John Koblanski, Paige Kunkle, Charles Lane, Bryce Littlejohn, Adrian Lozano Sanchez, Xiaobin (Jeremy) Lu, Jelena Maricic, Michael Mendenhall, Andrew Meyer, Radovan Milincic, Paul Mueller, Russell Neilson, Xin Qian, Christian Roca, Richard Rosero, Pranava Teja Surukuchi, Felicia Sutanto, Diego Venegas-Vargas, Pierce Weatherly, James Wilhelmi, Minfang Yeh, Chao Zhang, Xianyi Zhang

… for antineutrino disappearance at short distances (7 – 9 m) from compact nuclear reactor cores. This Letter … caused by mixing with sterile neutrinos with 0.2 – 20 eV2 mass splittings. Inverse beta decay positron energy …

Photonic chip-based low noise microwave oscillator

March 6, 2024

Author(s)

Igor Kudelin, William Groman, Scott Diddams, Dahyeon Lee, Megan Kelleher, Takuma Nakamura, Charles McLemore, Franklyn Quinlan, Qing-Xin Ji, Joel Guo, Andrey Matsko, John Bowers, Kerry Vahala, Warren Jin, Lue Wu, Yifan Liu, Wei Zhang, Steven Bowers, Joe Campbell, Pedram Shirmohammadi, Samin Hanifi, Haotian Cheng, Naijun Jin, Sam Halliday, Zhaowei Dai, Chao Xiang, Vladimir Iltchenko, Owen Miller, Peter Rakich

… is photodetected to produce a microwave signal at 20 GHz with phase noise of -95 dBc/Hz (-136.8 dBc/Hz) at 100 …

Vapor Pressure Measurements on Linalool Using a Rapid and Inexpensive Method Suitable for Cannabis-Associated Terpenes

October 7, 2023

Author(s)

Cheryle Beuning, Tara Lovestead, Marcia L. Huber, Jason A. Widegren

… (DVME), was used to measure psat for the terpene (±)-3,7-dimethylocta-1,6-dien-3-ol, commonly known as linalool. The …

A Study of Error Floor Behavior in QC-MDPC Codes

August 17, 2022

Author(s)

Sarah Arpin, Tyler Billingsley, Daniel Hast, Jun Bo Lao, Ray Perlner, Angela Robinson

… in the NIST Post-Quantum Standardization process, at the 20-bit security level. We select parameters according to BIKE …

Biochemical and Structural Characterization of the Intracellular Chorismate Mutase (Rv0948c) From Mycobacterium Tuberculosis H 37 R v

October 12, 2021

Author(s)

Sung Kim, Sathyavelu K. Reddy, B C. Nelson, Prasad T. Reddy, Jane E. Ladner

… with identical kinetic parameters having a kcat of 7 s-1 and a Km of 1.5 0.1 mM at 37 oC and pH 7.5. Only the 90 aa protein, termed MtCM, produced crystals …

Electron Backscatter Diffraction Investigation of a Nano-Crystalline Pt Thin Film

October 12, 2021

Author(s)

T Maitland, X Han, Mark D. Vaudin, G R. Fox, M Coy

… images was 34.6 nm with a standard deviation of 16.7 nm. Both inverse pole figures and Euler maps revealed a …

The structure of medium-scale propane pool fires

September 23, 2021

Author(s)

Ryan Falkenstein-Smith, Kunhyuk Sung, Anthony Hamins

… a quiescent environment. Fires with heat release rates of 20 kW and 34 kW are selected for study to complement previous …

MS_Piano: A Software Tool for Annotating Peaks in CID Tandem Mass Spectra of Peptides and N-Glycopeptides

July 15, 2021

Author(s)

Xiaoyu (Sara) Yang, Pedatsur Neta, Yuri Mirokhin, Dmitrii V. Tchekhovskoi, Concepcion Remoroza, Meghan Burke Harris, Yuxue Liang, Sanford Markey, Stephen E. Stein

… the sum of unannotated vs all peak intensities in the top 20 peaks, and the intensity of the highest unannotated peak. …

Optical Scattering Characteristics of 3D Lunar Regolith Particles Measured using X-Ray Nano Computed Tomography

April 27, 2021

Author(s)

Edward Garboczi, Ann Debay, Somen Baidya, Ahmed M. Hassan, Andrew Sharits, Jay D. Goguen, Thomas Lafarge, Mikolas Melius

… regolith particles decreases the resonance wavelength by 20 %, on average, compared to spheres of the same volume. …

Comparison of measured and simulated spin-wave mode spectra of magnetic nanostructures

January 6, 2021

Author(s)

Hans Nembach, Robert McMichael, Michael Schneider, Justin Shaw, Thomas J. Silva

Motivated by the importance of magnetization dynamics in nanomagnets for the development and optimization of magnetic devices and sensors, we measured and modeled spin wave spectra in patterned elliptical nanomagnets. Ferromagnetic resonance spectra for

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