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Displaying 1976 - 2000 of 2522

Predicting solar cell performance from terahertz and microwave spectroscopy

February 26, 2022

Author(s)

Hannes Hempel, Edwin J. Heilweil, Timothy Magnanelli

… conversion efficiency of 24.6 %. For grainsizes above 20 nm, intra-grain charge transport is characterized by …

InN Layers Grown by HVPE

October 12, 2021

Author(s)

A Syrkin, V Ivantsov, A Usikov, Vladimir A. Dmitriev, G Chambard, P Ruterana, Albert Davydov, Siddarth Sundaresan, E Lutsenko, A V. Mudryi, E D. Readinger, G D. Chern-Metcalfe, M Wraback

… was in the range of 10 (subscript 19) -10 (subscript 20) cm (subscript -3) and electron mobility was 200 cm …

Toxic Potency Values for Smoke from Products and Materials

October 12, 2021

Author(s)

J L. Neviaser, Richard Gann

… published data yielded a generic LC 50 value of 30 g/m 3 20 g/m 3 (one standard deviation) for 30 min exposure of rats … post-flashover fires, the corresponding number would be 7 g/m 3 2 g/m 3 . There are some materials with appreciably …

Temperature-insensitive silicone composites as ballistic witness materials: the impact of water content on the thermophysical properties

July 28, 2021

Author(s)

Ran Tao, Fan Zhang, Huong Giang Nguyen, Philip Bernstein, Amanda L. Forster, Randy Mrozek, Aaron M. Forster

… At ambient relative humidities in the range of about 20–80%, the equilibrium water content in the SCBM ranges from …

A System for Validating Resistive Neural Network Prototypes

July 27, 2021

Author(s)

Brian Hoskins, Mitchell Fream, Matthew Daniels, Jonathan Goodwill, Advait Madhavan, Jabez J. McClelland, Osama Yousuf, Gina C. Adam, Wen Ma, Muqing Liu, Rasmus Madsen, Martin Lueker-Boden

… user. This system is designed to simulate and control a 20,000 device resistive memory array for neural network …

Using fine sand shape metrics determined from X-ray microcomputed tomography to illustrate the influence of particle shape on the properties of dispersed mortars

July 10, 2021

Author(s)

Edward Garboczi, Jeffrey W. Bullard, Olafur Wallevik, Pierre Estephane

… wet sieved, and classified into six sieve size classes: 20 µm to 75 µm, 75 µm to 150 µm, 150 µm to 300 µm, 300 µm to …

Photodynamics of Asymmetric Di-Iron-Cyano Hydrogenases Examined by Time-Resolved Mid-Infrared Spectroscopy

February 10, 2021

Author(s)

Edwin J. Heilweil, Amber Meyers, Christopher J. Stromberg

… For both model compounds, two timescales are observed; a 20-30 ps decay and formation of a long-lived photoproduct. …

Reference wavelengths of Si ii, Cii, Fe i, and Ni ii for quasarabsorption spectroscopy

December 26, 2020

Author(s)

Gillian Nave, Christian Clear

… than 6 parts in 108, corresponding to a radial velocity of 20 ms-1. For several lines of Si II, C II, Fe I, and Ni II, … using adjusted wavelengths of Kaufman & Edlen, and for 7 lines that are at shorter wavelengths than our FT spectra. …

Rapid Vapor-Collection Method for Vapor Pressure Measurements of Low-Volatility Compounds

November 24, 2020

Author(s)

Jason Widegren, Tara Lovestead, Megan Harries, Cheryle Beuning, Bridger L. Johnston

Dynamic vapor microextraction (DVME) is a new method that enables rapid vapor pressure measurements on large molecules with state-of-the-art measurement uncertainty for vapor pressures near 1 Pa. Four key features of DVME that allow for the rapid

Methodology for Benchmarking Radio-Frequency Channel Sounders through a System Model

October 12, 2020

Author(s)

Camillo Gentile, Jack Chuang, Anuraag Bodi

… each organization as well as results and comparisons for 20 ideal channel responses. …

Uncertainty in the Seismic Response of Structural Components due to Material Variability

September 15, 2020

Author(s)

Christopher L. Segura, Siamak Sattar

… dispersion values (coefficient of variation, COV, up to 20%) are obtained for ground shaking intensities that produce …

Mixed-Flow Design for Microfluidic Printing of Two-phase Polymer Semiconductor Systems

July 9, 2020

Author(s)

Subhrangsu Mukherjee, Gang Wang, Liang-Wen Feng, Wei Huang, Yao Chen, Dengke Shen, Binghao Wang, Joseph Strzalka, Zheng Ding, Ferdinand Melkonyan, Jinhui Yan, J. Fraser Stoddart, Simone Fabiano, Dean DeLongchamp, Meifang Zhu, Antonio Facchetti, Tobin Marks

… with power conversion efficiency increasing from 5.20 % for conventional blade-coating to 7.80 % for MFMP. Moreover, the performance of mixed polymer …

A Review of Efforts to Improve Lipid Stability during Sample Preparation and Standardization Efforts to Ensure Accuracy in the Reporting of Lipid Measurements

May 19, 2020

Author(s)

John Bowden, Candice Z. Ulmer, Christina Jones, Jeremy P. Koelmel, Timothy J. Garrett, Juan J. Aristizabal-Henao, Hubert W. Vesper

… should be stored in organic solvents with antioxidants at −20 °C or lower in an airtight container without exposure to …

Nitrogen effects in additively manufactured martensitic stainless steels I: Conventional thermal processing and comparison with wrought

March 9, 2020

Author(s)

Eric Lass, Carelyn E. Campbell, Fan Zhang

… solutionization heat treatments, AM 17-4 contains 5 % to 20 % retained austenite. In contrast, AM 15-5 and Ar-atomized …

Graphene oxide/waterborne polyurethane nanocoatings: Effects of graphene oxide content on performance properties

January 15, 2020

Author(s)

David G. Goodwin, Coralie Bernard, Xiaohong Gu, Mat Celina, Marc R. Nyden, Deborah S. Jacobs, Li Piin Sung, Tinh Nguyen

… At 1.2 % mass loading, GO reduced the oxygen permeability 7-fold with only a slightly smaller oxygen permeability …

Optimization of a Magnetostatic Cavity for a 3 He Spin Analyzer on the CANDOR Polychromatic Reflectometer

December 11, 2019

Author(s)

Md. T. Hassan, Wangchun Chen

… and 6 angstrom} and a large solid angle coverage for up to 20 energy dispersive detector channels. For ex-situ …

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

The sequencing of STR markers provides additional information present in the underlying sequence variation that is typically masked by traditional fragment-based genotyping. However, the interpretation of STR profiles generated by targeted sequencing

Measurements and Predictions of Thermophoretic Soot Deposition

November 1, 2019

Author(s)

Amy E. Mensch, Thomas G. Cleary

… two applied temperature gradients, nominally 10 C/mm and 20 C/mm, with repeats. Soot was generated from a propene …

Infrared electric-field sampled frequency comb spectroscopy

June 7, 2019

Author(s)

Abijith S. Kowligy, Henry R. Timmers, Alexander Lind, Ugaitz Elu, Flavio Caldas da Cruz, Peter Schunemann, Jens Biegert, Scott Diddams

… antibody reference material consisting of more than 20,000 atoms. The absorption signature resolves the amide I, …

Nanoscale deformation in polymers revealed by single-molecule super-resolution localization-orientation microscopy

January 30, 2019

Author(s)

Muzhou Wang, James M. Marr, Marcelo I. Davanco, Jeffrey W. Gilman, James Alexander Liddle

… we can clearly resolve periodic features of 20 nm half-pitch, and individual features 25 nm  25 nm. …

Methodology for evaluating the information distribution in small angle scattering from periodic nanostructures

November 3, 2018

Author(s)

Daniel F. Sunday, Regis J. Kline

… to better resolve structures with features sizes below 20 nm. Critical dimension small angle X-ray scattering …

Localization of Fe d-states in Ni-Fe-Cu alloys and implications for ultrafast demagnetization

October 20, 2018

Author(s)

Ronny J. Knut, Erna Delczeg, Justin Shaw, Hans Nembach, Patrik Grychtol, Dmitriy Zusin, Christian Gentry, Emrah Turgut, Henry C. Kapteyn, Margaret M. Murnane, Dario A. Arena, Olle Eriksson, Olof Karis, Thomas J. Silva

… Ni 80 Fe 20 (Py) and Py-Cu exhibit intriguing ultrafast …

Microscopic Identification of Micro-Organisms on Pre-Viking Swedish Hillfort Glass

September 30, 2018

Author(s)

Bruce Arey, Edward Vicenzi, Rolf Sjoblom, Robert Koestler, Paula DePriest, Thomas Lam, David Peeler, John McCloy, Albert Kruger, Jamie Weaver

… NJ). An accelerating voltage of 5 keV for imaging, 10-20 keV for EDS, and a working distance of 4 mm were used in …

Proteomic Analysis of Urine from California Sea Lions (Zalophus californianus): a Tool for Urinary Biomarker Discovery

August 15, 2018

Author(s)

Ben Neely, Katherine Prager, Alison Bland, Christine Fontaine, Frances Gulland, Michael G. Janech

… Epidermal fatty acid binding protein were elevated over 20-fold in the leptospirosis-infected sea lions. Consistent …

ASTM E3125 Laser Scanner Standard: Challenges and Role of NIST

July 24, 2018

Author(s)

Prem K. Rachakonda

… group released the ASTM E3125-17 standard in 2017. Over 20 publications were published by DMG staff detailing the …

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