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Displaying 4526 - 4550 of 143780

High-accuracy Wavelengths and Energy Levels of Singly Ionized Nickel (Ni II) Measured using Fourier Transform Spectroscopy

August 4, 2022

Author(s)

Christian Clear, Juliet Pickering, Gillian Nave, Peter Uylings, Ton Raassen

High-resolution spectra of singly ionized nickel (Ni II) have been recorded using Fourier transform spectroscopy in the region 143–5555 nm (1800–70,000 cm−1) with continuous, nickel–helium hollow cathode discharge sources. An extensive analysis of

Structural Fingerprinting of siRNA Therapeutics by Solution NMR Spectroscopy

August 4, 2022

Author(s)

Owen Becette, Anh Tran, Jace Jones, John Marino, Robert Brinson

Nucleic acids are an increasingly popular platform for the development of biotherapeutics to treat a wide variety of illnesses, including diseases where traditional drug development efforts have failed. To date, there are 14 short oligonucleotide

The Effect of Organic Coatings in the Magnetization of CoFe 2 O 4 Nanoparticles

August 4, 2022

Author(s)

Priscyla L. Andrade, Valdeene Silva, Kathryn L. Krycka, Juscelino Leao, I-Lin Liu, Maria P. Silva, J. Albino Aguiar

Cobalt ferrite has attracted considerable attention in recent years due to the unique physical properties such as high Curie temperature, large magnetocrystalline anisotropy, high coercivity, moderate saturation magnetization, large magnetostrictive

A Spatial Temporal Graph Neural Network Model for Predicting Flashover in Arbitrary Building Floorplans

August 3, 2022

Author(s)

Wai Cheong Tam, Eugene Yujun Fu, Jiajia Li, Xinyan Huang, Jian Chen, Michael Xuelin Huang

Rapid fire progression, such as flashover, has been one of the leading causes for firefighter deaths and injuries in residential building environments. Due to long computational time of and the required prior knowledge about the fire scene, existing models

Prototype of high accuracy single input phase measurement instrument

August 2, 2022

Author(s)

Nicholas G. Paulter Jr., Ioan Tudosa, Francesco Picariello, Pasquale Daponte, Luca De Vito, Sergio Rapuano

A prototype implementation of a phase measurement method (PMM) for a sine-wave signal delivered at the output port of a generator and its experimental assessment is presented. This PMM is capable of measuring the output phase of a sine-wave signal respect

Sensing a Little Friction

August 2, 2022

Author(s)

Elizabeth Kelley, Frederick Heberle

A novel Business Context-based approach for improved standards-based systems integration - a feasibility study

August 1, 2022

Author(s)

Elena Jelisic, Nenad Ivezic, Boonserm Kulvatunyou, Pavle Milosevic, Sladjan Babarogic, Zoran Marjanovic

Systems integration processes need to become more efficient and effective in order to allow enterprises to be nimbler and more responsive in today's dynamic markets. Systems integration typically depends on data exchange standards (DESes) and the

Chromium Oxide - A Novel Sacrificial Layer Material for MEMS/NEMS and Micro/Nanofluidic Device Fabrication

August 1, 2022

Author(s)

Alokik Kanwal, Robert Ilic, Christopher Ray, Kerry Siebein, James Alexander Liddle

Free standing membranes for fluidic devices typically require long etching times due to the slow, diffusion limited exchange of etchant and etch products when large etch distances are involved. In these cases, high etch selectivity is required between the

Comparative Investigation of Ga- and In-CHA in the Non-Oxidative Ethane Dehydrogenation Reaction

August 1, 2022

Author(s)

Jian Pan, Jason Lee, Muyuan Li

Ga- and In-exchanged chabazite (CHA) zeolites with Si/Al ratio of 6 and metal/Al ratio of 0.7 were prepared via the incipient wetness impregnation method, were characterized using N 2 adsorption, electron microscopy, temperature-programed reactions and

D-to-A_eff converter

August 1, 2022

Author(s)

Patrick Egan, Eric S. Stanfield, John R. Stoup

Recent developments in diameter metrology at NIST have enabled the dimensional characterization of piston-cylinder assemblies (PCA) with unprecedented precision. For the newest generation of PCA, standard uncertainty on measurement of outer diameter is 12

Dual chirped-pulse electro-optical frequency comb method for simultaneous molecular spectroscopy and dynamics studies: formic acid in the terahertz region

August 1, 2022

Author(s)

Jasper Stroud, David F. Plusquellic

An electro-optic dual-comb system based on chirped-pulse waveforms is used to simultaneously acquire temporally magnified rapid passage signals and normal spectral line shapes from the back-transformation to the time domain. Multi-heterodyne terahertz (THz

Effect of Tribologically-Induced Changes in Surface Termination of Silicon-Containing Diamond-Like Carbon Coatings on the Resistance to Biomolecule Adsorption

August 1, 2022

Author(s)

Cherno Jaye, Daniel A. Fischer, Zixuan Li, Jennings Z. Ye, Jieming Yan, Nicolas Molina, Hsu-Ming Lien, Robert Chrostowksi, Jianliang Lin, Mangolini Mangolini

Silicon-containing diamond-like carbon (DLC) is a class of thin-film materials with excellent mechanical properties, high thermal stability, and good tribological performance over a wide range of environmental conditions. While non-alloyed/non-doped DLCs

Gap Analysis for Key Interoperability Scenarios in Election Technology

August 1, 2022

Author(s)

John Dziurlaj, Benjamin Long

This document describes potential use-cases for data interoperability in election technology components not previously considered in past efforts. Such components include on-demand ballot printing systems, remote ballot marking systems and electronic poll

IG3IS Urban Greenhouse Gas Emission Observation and Monitoring Best Research Practices

August 1, 2022

Author(s)

Jocelyn Turnbull, Philip DeCola, Kimberly Mueller, Felix Vogel, Anna Karion, Israel Lopez Coto, James Whetstone

The Integrated Global Greenhouse Gas Information System (IG3IS) aims to coordinate an integrated global greenhouse gas information system, linking inventory and process model-based information with atmospheric observations and atmospheric modelling, to

Levels and profiles of perfluorinated alkyl acids in liver tissues of birds with different habitat types and trophic levels from an urbanized coastal region of South Korea

August 1, 2022

Author(s)

Sang Hee Hong, Jessica L. Reiner, Mi Jang, Stacy Schuur, Gi Myung Han, John Kucklick, Won Joon Shim

Contamination status and characteristics of perfluorinated alkyl acids (PFAAs) including perfluorinated carboxylic acids (PFCAs) and perfluorinated sulfonic acids (PFSAs) was examined using liver tissue of birds - blacktailed gulls (Larus crassirostris)

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