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Displaying 1251 - 1275 of 143737

Index of Refraction of Liquid Water

May 1, 2024
Author(s)
Allan H. Harvey
This is an item for the CRC Handbook of Chemistry and Physics (105th ed.), giving values calculated from the IAPWS formulation for the refractive index.

Nondestructive, Longitudinal, 3D Cell Viability Assessment in a Multi-well Plate System Using Electron Paramagnetic Resonance Oxygen Imaging

May 1, 2024
Author(s)
Safa Hameed, Navin Viswakarma, Eliyas Siddiqui, Greta Babakhanova, Carl Simon Jr., Boris Epel, Mrignayani Kotecha
Cell viability is an essential measurement for cell therapy, tissue engineered medical products (TEMPs), drug development, and many other biological processes and products. These systems rely on viable, healthy, and functional cells to work as intended

Overview of TREC 2023

May 1, 2024
Author(s)
Ian Soboroff
TREC 2023 is the thirty-second edition of the Text REtrieval Conference (TREC). The main goal of TREC is to create the evaluation infrastructure required for large-scale testing of information retrieval (IR) technology. This includes research on best

The NIST Material Flammability Database

May 1, 2024
Author(s)
Isaac Leventon, Morgan Bruns, Michael Heck
7 The fire modeling community is actively working to develop the tools needed to quantitatively predict material 8 and product flammability behavior (e.g., ignition, burning rate, fire growth). Such predictions require accurate 9 and efficient simulation

Thermoreversible gels of hollow silica nanorod dispersions

May 1, 2024
Author(s)
Haesoo Lee, KHUSHBOO SUMAN, David Moglia, Ryan Murphy, Norman Wagner
Colloidal suspensions of anisotropic particles are ubiquitous in particle-based industries. Consequently, there is a need to quantify the effects of particle shape on equilibrium phases and kinetic state transitions, particularly at lower aspect ratios (L

Working equation for a Fabry-Perot cavity based optical pressure standard

May 1, 2024
Author(s)
Yuanchao Yang, Patrick Egan, Tom Rubin
From basics of Fabry-Perot (FP) resonator and roundtrip phase, a complete working equation for a FP cavity based optical pressure standard (OPS) is derived and presented which includes corrections of reflection phase-shift, diffraction and pressure-induced

A reproducibility study of graph neural networks for materials property prediction

April 30, 2024
Author(s)
Kangming Li, Brian DeCost, Kamal Choudhary, Jason Hattrick-Simpers
Use of machine learning has been increasingly popular in materials science as data-driven materials discovery is becoming the new paradigm. Reproducibility of findings is paramount for promoting transparency and accountability in research and building

Microstructural effects on the rotating bending fatigue behavior of Ti-6Al-4V produced via laser powder bed fusion with novel heat treatments

April 30, 2024
Author(s)
Nicholas Derimow, Jake Benzing, David Newton, Chad Beamer, Ping Lu, Frank DelRio, Newell Moser, Orion Kafka, Ryan Fishel, Lucas Koepke, Chris Hadley, Nik Hrabe
The rotating bending fatigue (RBF) behavior (fully reversed, R = -1) of additively manufactured (AM) Ti-6Al-4V alloy produced via laser powder bed fusion (PBF-L) was investigated with respect to different microstructures achieved through novel heat

Nanoscale Three-Dimensional Imaging of Integrated Circuits Using a Scanning Electron Microscope and Transition-Edge Sensor Spectrometer

April 30, 2024
Author(s)
Nathan Nakamura, Paul Szypryt, Amber Dagel, Bradley Alpert, Douglas Bennett, W.Bertrand (Randy) Doriese, Malcolm Durkin, Joseph Fowler, Dylan Fox, Johnathon Gard, Ryan Goodner, James Zachariah Harris, Gene C. Hilton, Edward Jimenez, Burke Kernen, Kurt Larson, Zachary H. Levine, Daniel McArthur, Kelsey Morgan, Galen O'Neil, Christine Pappas, Carl D. Reintsema, Dan Schmidt, Peter Schulz, Daniel Swetz, Kyle Thompson, Joel Ullom, Leila R. Vale, Courtenay Vaughan, Christopher Walker, Joel Weber, Jason Wheeler
X-ray nanotomography is a powerful tool for the characterization of nanoscale materials and structures, but it is difficult to implement due to the competing requirements of X-ray flux and spot size. Due to this constraint, state-of-the-art nanotomography

Skyrmion Lattice Formation and Destruction Mechanisms Probed with TR-SANS

April 30, 2024
Author(s)
W. L. N. C. Liyanage, Nan Tang, Rebecca Dally, Lizabeth J. Quigley, C. Buchanan, Guo-Jiun Shu, Nicholas Butch, Kathryn Krycka, Markus Bleuel, Julie A. Borchers, Debeer-Schmitt Lisa, Dustin Gilbert
Magnetic skyrmions are topologically protected, nanoscale whirls of the spin configuration that tend to form hexagonally ordered arrays. As a topologically non-trivial structure, the nucleation and annihilation of the skyrmion, as well as the interaction

Spatial Variation in Mercury Accumulation in Bottlenose Dolphins (Tursiops spp.) in Southeastern U.S.A.

April 30, 2024
Author(s)
Mackenzie Griffen, Colleen E. Bryan Sallee, Tara Cox, Brian Balmer, Russell Day, Laura Garcia Barcia, Antoinette Gorgone, Jeremy Kiszka, Jenny Litz, Robin Perrtree, Teri Rowles, Lori Schwacke, Randall Wells, Eric Zolman
Bottlenose dolphins (Tursiops spp.) inhabit bays, sounds, and estuaries (BSEs) throughout the southeast region of the U.S.A. and are sentinel species for human and ecosystem-level health. Dolphins are vulnerable to the bioaccumulation of contaminants

A proposal for three categories of units within the SI

April 29, 2024
Author(s)
John Lehman, Alan Migdall, Julia Scherschligt
In this letter we examine the organization of the traditional base units and defining constants established in the 2019 redefinition of the international system of units (SI). For the next redefinition of the SI, which will accompany the anticipated

Benchmark Study of Melt Pool and Keyhole Dynamics, Laser Absorption, and Porosity in Additive Manufacturing of Ti-6Al-4V

April 29, 2024
Author(s)
Arash Samaei, Joseph Leonor, zhengtao gan, Zhongsheng Sang, Xiaoyu Xie, Brian Simonds, Wing Kam Liu, Gregory Wagner
Metal 3D printing involves a multitude of operational and material parameters that exhibit intricate interdependencies, which pose challenges to real-time process optimization, monitoring, and controlling. The dynamic behavior of the laser-induced melt

Evaluating the security of CRYSTALS-Dilithium in the quantum random oracle model

April 29, 2024
Author(s)
Kelsey Jackson, Carl A. Miller, Daochen Wang
In the wake of recent progress on quantum computing hardware, the National Institute of Standards and Technology (NIST) is standardizing cryptographic protocols that are resistant to attacks by quantum adversaries. The primary digital signature scheme that

Influence of Spectral Bandwidth on the Working Curve in Vat Photopolymerization

April 29, 2024
Author(s)
Benjamin Caplins, Thomas Kolibaba, Uwe Arp, C Cameron Miller, Yuqin Zong, Dianne L. Poster, Callie Higgins, Jason Killgore
In vat photopolymerization, 3-dimensional parts are fabricated by using patterned light to spatially cure a liquid resin. One of the foundational measurements for vat photopolymerization is known as the working curve whereby the depth (i.e. thickness) of

Operando XPS for Plasma Process Monitoring: A Case Study on the Hydrogenation of Copper Oxide Confined under h-BN

April 29, 2024
Author(s)
Trey Diulus, Andrew Naclerio, J. Anibal Boscoboinik, Ashley Head, Evgheni Strelcov, Piran Kidambi, Andrei Kolmakov
We demonstrate that ambient pressure x-ray photoelectron spectroscopy (APXPS) can be used for in situ studies of dynamic changes in surface chemistry in a plasma environment. Hexagonal boron nitride (h-BN) was used in this study as a model system since it

Shifts in belowground processes along a temperate forest edge

April 29, 2024
Author(s)
Rose Abramoff, Jeffrey Warren, Jessica Harris, Sarah Ottinger, Sarah Garvey, Joy Winbourne, Andrew Reinmann, David W. Allen, Lucy Hutyra, Margaret Torn, Melanie Mayes
Forests are increasingly fragmented and as a result most forests in the United States are within 1 km of an edge. Edges change environmental conditions of the forest - especially radiation, roughness, and temperature - that can have consequences for plant

Towards a resolution of the spin alignment problem

April 29, 2024
Author(s)
Mohammad Alhejji, Emanuel Knill
Consider the problem of minimizing the entropy of a mixture of states by choosing each state subject to constraints. If the spectrum of each state is fixed, we expect that in order to reduce the entropy of the mixture, we should make the states less

VDI/VDE 2634-2 and ISO 10360-13 Performance Evaluation Tests, and Systematic Errors in Structured Light Systems

April 29, 2024
Author(s)
Octavio Icasio Hernandez, Alex Rocha De La Cruz, Balasubramanian Muralikrishnan, Vincent Lee, Wei Ren, Jose-Joel Gonzalez-Barbosa
Structured light projection systems (SLSs) are commonly used for precision dimensional measurements. These are active systems in that the projected pattern is used to establish correspondence between the projector and the camera to provide more accurate 3D

Practical Attack on All Parameters of the DME Signature Scheme

April 28, 2024
Author(s)
Pierre Briaud, Maxime Bros, Ray Perlner, Daniel Smith-Tone
DME is a multivariate scheme submitted to the call for additional signatures recently launched by NIST. Its performance is one of the best among all the candidates. The public key is constructed from the alternation of very structured linear and non-linear
Displaying 1251 - 1275 of 143737
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