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Displaying 5801 - 5825 of 74364

Comparing Instruments

September 30, 2020
Author(s)
James H. Yen, Dennis D. Leber, Leticia S. Pibida
This document details methods to compare instrument performance. Comparison methods for instruments outputting binary (0-1) responses as well as for instruments outputting continuous numeric responses are shown, first for two instruments and then for

Eliciting Lessons from Small- and Medium-Sized Enterprises (SMEs) for Natural Disaster Resilience Planning and Recovery During the COVID-19 Pandemic: SME Complex Event Resilience

September 30, 2020
Author(s)
Jennifer F. Helgeson, Juan F. Fung, Yating Zhang, Alfredo R. Roa Henriquez, Ariela Zycherman, Claudia Nierenberg, David T. Butry, Donna H. Ramkissoon
Small and medium-sized enterprises (SMEs) make up 44% of U.S. economic activities and are the lifeline for many local economies, employing 59 million people in 2018 (SBA 2018, 2019). In the wake of the COVID-19 pandemic, small- and medium-sized (SMEs) are

Large Exchange Splitting in Monolayer Graphene Magnetized by an Antiferromagnet

September 30, 2020
Author(s)
Yingying Wu, Gen Yin, Lei Pan, Alexander Grutter, Quanjun Pan, Albert Lee, Dustin A. Gilbert, Julie A. Borchers, William D. Ratcliff, Ang Li, Xiao-dong Han, Kang L. Wang
Spin splitting in graphene has been identified as a key component for unlocking multifunctionality with low dissipation and long-distance spin transport. Magnetic proximity effects are an extremely promising route to realizing exchange splitting in

NIST-NOAA Survey Instrument for Business Disruption and Recovery Associated With Extreme Events: General Instrument Applied to the Greater Charleston, SC Small- and Medium-Sized Business Community Post-Hurricane Irma

September 30, 2020
Author(s)
Jennifer F. Helgeson, Eleanor D. Pierel, Kirstin Dow
To gather more in-depth information about how disasters affect businesses, the National Institute of Standards and Technology (NIST) and the National Oceanic and Atmospheric Administration (NOAA) have launched a study of business disruption and recovery

Porous Organic Cages as Synthetic Water Channels

September 30, 2020
Author(s)
Yi D. Yuan, Jinqiao Dong, Jie Liu, Daohui Zhao, Hui Wu, Wei Zhou, Hui X. Gan, Yen W. Tong, Jianwen Jiang, Dan Zhao
Nature has protein channels (e.g., aquaporins) that preferentially transport water molecules while rejecting even the smallest hydrated ions. Aspirations to create robust synthetic counterparts have led to the development of a few one-dimensional (1D)

Pushing the Limits of Bottom-Up Gold Filling for X-Ray Grating Interferometry

September 30, 2020
Author(s)
Daniel Josell, Thomas P. Moffat, Z Shi, K Jefimovs, L Romano, J. Vila-Comamala
The application of superconformal Bi-catalyzed Au electrodeposition for void-free filling of recessed trenches in X-ray gratings used in phase contrast imaging is detailed. Filling of trenches with aspect ratio (height divided by its width) up to 55 is

Towards model-based integration specifications to secure the extended enterprise

September 30, 2020
Author(s)
Sylvere Krima, Marion Toussaint, Allison Barnard Feeney
With the growing digitalization of manufacturing and the associated reliance on digital data, manufacturers, their supply chains, and their customers are exposed to many and varied digital threats. One such digital threat is compromised integrity of the

Uncertainties for Machine Tool Modeling

September 30, 2020
Author(s)
Guodong Shao, William Stann
Machine tool models play an important role to support decision-making for machine tool procurement, process planning, and production scheduling in manufacturing. However, it is challenging to have a machine model that is accurately and dynamically

Complex Event Resilience of Small- and Medium-Sized Enterprises: Natural Disaster Planning During the COVID-19 Pandemic

September 29, 2020
Author(s)
Jennifer F. Helgeson, Juan F. Fung, Alfredo R. Roa Henriquez, Yating Zhang, Ariela Zycherman, Claudia Nierenberg, David T. Butry, Donna H. Ramkissoon
Researchers at NIST and NOAA launched a longitudinal effort to assess Complex Event Resilience of Small- and Medium-sized Enterprises (SMEs). As a first step, a national survey of SMEs was conducted to better understand: 1. Past SME experience with natural

NDN-DPDK: NDN Forwarding at 100 Gbps on Commodity Hardware

September 29, 2020
Author(s)
Junxiao Shi, Davide Pesavento, Lotfi Benmohamed
Since the Named Data Networking (NDN) data plane requires name-based lookup of potentially large tables using variable-length hierarchical names as well as per-packet state updates, achieving high-speed NDN forwarding remains a challenge. In order to

Quantum Versus Classical Spin Fragmentation in Dipolar Kagome Ice Ho 3 Mg 2 Sb 3 O 14

September 29, 2020
Author(s)
Zhiling Dun, Xiaojian Bai, Jospeh A. Paddison, Emily Hollingworth, Nicholas Butch, Clarina D. Cruz, Matthew Stone, Tao Hong, Franz Demmel, Martin Mourigal, Haidong Zhou
A promising route to realize entangled magnetic states combines geometrical frustration with quantum-tunneling effects. Spin-ice materials are canonical examples of frustration, and Ising spins in a transverse magnetic field are the simplest many-body

Seismic Evaluation of a 2-Story Cold-Formed Steel Framed Building using ASCE 41-17

September 29, 2020
Author(s)
Matthew S. Speicher, Ivana Olivares, Benjamin W. Schafer
The objective of this report is to assess the adequacy of new provisions in ASCE 41 for seismic assessment of cold-formed steel framed buildings. A two-story cold-formed steel (CFS) framed building that has been designed to contemporary seismic standards

A NIST-Hosted Virtual Workshop on Measuring SARS-CoV-2 in Wastewater and Fecal Material: A Call for Standards

September 28, 2020
Author(s)
Sandra M. Da Silva, Paulina K. Piotrowski, Christina M. Jones, Stephanie L. Servetas, Nancy J. Lin, Katrice A. Lippa, Scott A. Jackson
The National Institute of Standards and Technology (NIST) has leveraged its expertise in chemical and biological metrology and standards development as well as its strong relationships with stakeholders to host a virtual workshop on June 16, 2020 that

Adaptive Estimation of Near-Optimal Electrostatic Force in Micro Energy-Harvesters

September 28, 2020
Author(s)
Kamran Sayrafian, Masoud Roudneshin, Amir G. Aghdam
Recent advancements in micro-electronics have led to the development of miniature-sized wearable sensors that can be used for a variety of health monitoring applications. These sensors are typically powered by small batteries which could require frequent
Displaying 5801 - 5825 of 74364