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Displaying 7576 - 7600 of 73892

Assessment of plastic ingestion by pole-caught pelagic predatory fish around Oahu, Hawaii

October 1, 2020
Author(s)
K D. Hyrenbach, Zora McGinnis, Kathleen Paige, Dan Rapp, F. D. Horgen, Jennifer Lynch
While the occurrence of plastic ingestion in the large-sized dolphinfish and tunas taken by the Hawaii longline fishery is very low ( 5 %), the ingestion rates for the smaller fish caught with pole-and-line have not been documented. This study examined

Domain Interactions Determine the Conformational Ensemble of the Periplasmic Chaperone SurA

October 1, 2020
Author(s)
Dagan C. Marx, Mathis J. Leblanc, Ashlee M. Plummer, Susan T. Krueger, Karen G. Fleming
SurA is thought to be the most important periplasmic chaperone for outer membrane protein biogenesis. Its structure is composed of a core region and two peptidylprolyl isomerase domains, termed P1 and P2, connected by flexible linkers. As such these three

SCALABLE THERMAL SIMULATION OF POWDER BED FUSION

October 1, 2020
Author(s)
Paul Witherell, Vadim Shapiro, Yaqi Zhang
Powder bed fusion (PBF) has become a widely used additive manufacturing (AM) technology to produce metallic parts. As the PBF process is driven by a moving heat source, consistency in part production, particularly when varying geometries, has proven

Simplified kilogram traceability for photon momentum radiometers

October 1, 2020
Author(s)
Kyle A. Rogers, Paul A. Williams, Gordon A. Shaw, John H. Lehman
High power laser applications in areas such as laser processing of materials can require an accurately measured laser power. Radiation pressure-based laser power measurement has been proven as a practical method for quantifying these high-power levels in

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)
Displaying 7576 - 7600 of 73892
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