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Displaying 7801 - 7825 of 73741

Does Cosmological Evolution Select for Technology?

July 30, 2020
Author(s)
Jeff Shainline
Fine tuning of the parameters defining the physics of our universe has been proposed to result from the natural selection of universes capable of prolific reproduction. This cosmic reproduction may occur through singularities, and it has been argued that

Performance evaluation of laser trackers using the network method

July 30, 2020
Author(s)
Ling Wang, Balasubramanian Muralikrishnan, Octavio Icasio Hernandez, Craig M. Shakarji, Daniel S. Sawyer
Due to their accuracy, portability, and large working volume, laser trackers (LTs) are widely used for dimensional metrology in a variety of large-scale manufacturing and assembly operations. Their performance evaluation is a key concern for users

NIST 2020 CTS Speaker Recognition Challenge Evaluation Plan

July 29, 2020
Author(s)
Seyed Omid Sadjadi, Craig S. Greenberg, Elliot Singer, Douglas A. Reynolds, Lisa Mason
Following the success of the 2019 Conversational Telephone Speech (CTS) Speaker Recognition Challenge, which received 1347 submissions from 67 academic and industrial organizations, the US National Institute of Standards and Technology (NIST) will be

OpenFMB Proof of Concept Implementation Research

July 29, 2020
Author(s)
Michael J. Bartock, Rebecca Herold
A smart grid messaging framework is known as an Open Field Message Bus (OpenFMB, which was ratified by the North American Energy Standards Board (NAESB) in March 2016 and has been released as NAESB RMQ.26, Open Field Message Bus (OpenFMB) Model Business

Polymer Surface/Interface Consortium 2018 Workshop Report

July 29, 2020
Author(s)
Ronald S. Lankone, Li Piin Sung, David G. Goodwin, Andrew Fairbrother
The Polymer Surface/Interface (PSI) consortium held a two-day workshop at the National Institute of Standards and Technology (NIST) in Gaithersburg, MD on October 17th & 18th, 2018 titled, “The development of characterization tools, test methods, modeling

SysML Models for Discrete Event Logistics Systems

July 29, 2020
Author(s)
Timothy A. Sprock, Conrad E. Bock
System models and model-based engineering methods have the promise of transforming the way that industrial engineers interact with production and logistics systems. Model-based methods play a role in improving communication between stakeholders

Cesium Substitution Disrupts Concerted Cation Dynamics in Formamidinium Hybrid Perovskites

July 28, 2020
Author(s)
Eve M. Mozur, Michael A. Hope, Julia C. Trowbridge, David M. Halat, Luke L. Daemen, Annalise E. Maughan, Timothy R Prisk, Clare P. Grey, James R. Neilson
While hybrid perovskites show great promise for photovoltaic applications, several of the most technologically relevant hybrid perovskites degrade rapidly when exposed to water, oxygen, or infrared and ultraviolet radiation. Empirical studies have shown

Structural and magnetic properties of sputtered FePd thin films grown on MgO single-crystal substrates with oblique and normal substrate orientation

July 28, 2020
Author(s)
Xinjun Wang, Sergiy Krylyuk, Daniel Josell, Daniel Gopman, Jian-Ping Wang, Delin Zhang
Materials possessing perpendicular magnetic anisotropy derived from the intrinsic crystal structure, such as in L10 Fe-based alloys, have the potential to deliver superior scaling of magnetic memory elements compared to materials whose anisotropy is

The Art in Science of MicroTAS 2019

July 28, 2020
Author(s)
Gregory A. Cooksey
The 2019 MicroTAS conference (the 23rd International Conference of Miniaturized Systems for Chemistry and Life Sciences) held in Basel, Switzerland, brought great opportunities to viewinspiring microscale compositions. Many of the best images were

Understanding Photovoltaic Energy Losses under Indoor Lighting Conditions

July 28, 2020
Author(s)
Behrang H. Hamadani
The external luminescence quantum yield as a function of the solar cell current density when exposed to low indoor light was estimated based on absolute electroluminescence measurements and a self-consistent use of the electro-optical reciprocity
Displaying 7801 - 7825 of 73741
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