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Displaying 1751 - 1775 of 1947

IoT Capabilities Composition and Decomposition: A Systematic Review

March 22, 2023
Author(s)
Edward Griffor, Khalid Halba, ahmed lbath, Anton Dahbura
Internet of Things (IoT) capabilities are features or services produced by IoT devices. IoT capabilities composition brings existing capabilities together to create a novel service with added value. IoT Capabilities decomposition works the other way around

Facile Polymerization in a Bicellar Template to Produce Polymer Nano-Rings

January 15, 2023
Author(s)
Chung-Hao Liu, Catherine Cheu, John Barker, Lin Yang, Mu-Ping Nieh
Hypothesis: A well-defined discoidal bicelle composed of three lipids, specifically zwitterionic long-chain 1,2-dipalmitoyl phosphocholine (DPPC) and short-chain 1,2-dihexanoyl phosphocholine (DHPC) doped with anionic 1,2-dipalmitoyl phosphoglycerol (DPPG)

Speed of Sound Measurements of Binary Mixtures of 1,1,1,2-Tetrafluoroethane (R-134a), 2,3,3,3-Tetrafluoropropene (R-1234yf), and trans-1,3,3,3-Tetrafluoropropene (R-1234ze(E)) Refrigerants

May 17, 2022
Author(s)
Aaron Rowane, Richard A. Perkins
Speed of sound data measured using a dual-path pulse-echo instrument are reported for binary mixtures of 1,1,1,2-tetrafluoroethane (R-134a), 2,3,3,3-tetrafluoropropene (R-1234yf), and trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)). For each binary mixture

Evaluating Ventilation Performance

January 3, 2022
Author(s)
Andrew K. Persily
The evaluation of building ventilation performance is critical to understanding indoor contaminant transport dynamics and interpreting indoor contaminant measurements. However, ventilation performance involves many different issues and metrics that can

The Goddard High Resolution Spectrograph: In-Orbit Performance

October 12, 2021
Author(s)
S R. Heap, J L. Linsky
The in-orbit performance of the Goddard High Resolution Spectrograph onboard the Hubble Space Telescope (HST) is presented. This report covers the pre-COSTAR period, when instrument performance was limited by the effects of spherical aberration of the

Performance and Failure Mechanism of Fire Barriers in Full-Scale Chair Mock-ups

July 13, 2021
Author(s)
Andre Thompson, Ickchan Kim, Anthony Hamins, Matthew Bundy, Mauro Zammarano
The effectiveness and the failure mechanism of fire barriers in residential upholstered furniture were investigated by full-scale flaming tests on upholstered chair mock-ups. Six commercial fire barriers were tested in this study. Fire barriers were

Self-terminating Electrodeposition of Pt on WC Electrocatalysts

May 10, 2021
Author(s)
Thomas P. Moffat
Self-terminating electrochemical deposition is used to grow Pt nanoparticles on tungsten monocarbide (WC) from a pH 4 electrolyte containing 3 mmol/L K2PtCl4 - 0.5 mol/L NaCl. An unconventional potentiodynamic deposition program is used where nucleation is

Design and Capabilities of the Assistive Clock Fusion Testbed

February 4, 2021
Author(s)
Dhananjay Anand
The National Institute of Standards and Technology (NIST) has been working with industry and academia to develop algorithms and technologies to improve the resilience of timing subsystems used in high-performance sensing and control hardware. Resilience

Sensitivity Analysis Affecting the Calibration of Heat-Flow-Meter Apparatus

July 1, 2019
Author(s)
Robert R. Zarr, Sergio A. Carvajal, James J. Filliben
Results and analysis of a sensitivity study of four procedural variables on the calibration response of two commercial heat-flow-meter apparatus in compliance with ASTM Test Method C 518 are presented. The apparatus ranged in plate size from 305 mm by 305

High-coverage, long-read sequencing of Chinese trio reference samples

June 14, 2019
Author(s)
Justin M. Zook, Nathanael D. Olson, Marc L. Salit, Aaron Wenger, Chunlin Xiao, Robert Sebra
Genome In a Bottle (GIAB) is a consortium hosted by the National Institute of Standards and Technology whose primary objective is the development and characterization of human genomic reference materials. The consortium includes representatives from

Differential degradation patterns of photovoltaic backsheets at the array level

February 4, 2018
Author(s)
Andrew W. Fairbrother, Matthew Boyd, Yadong Lyu, Julien Avenet, Peter Illich, Michael Kempe, Brian P. Dougherty, Laura Bruckman, Xiaohong Gu
Photovoltaic backsheet degradation is commonly related to end-of-life failure of a module, and as such is an important factor in system reliability and longevity. Some module manufacturers have recently begun utilizing non-fluoropolymer-based backsheets in

PEGylation of zinc nanoparticles amplifies their ability to enhance olfactory responses to odorant

December 20, 2017
Author(s)
Melissa Singletary, Samantha Hagerty, Shinichiro N. Muramoto, Yasmine Daniels, William MacCrehan, Gheorghe Stan, June Lau, Oleg Pustovyy, Ludmila Globa, Edward E. Morrison, Iryna Sorokulova, Vitaly Vodyanoy
Responses of olfactory sensory neurons to odorants are intensely enhanced with the addition of small endogenous and engineered zinc nanoparticles, as shown by physiological experiments. The highest enhancement was recorded with 1.2 nm non-oxidized zinc

Nanowire Aptasensors for Electrochemical Detection of Cell-Secreted Cytokines

October 9, 2017
Author(s)
Ying Liu, Ali Rahimian, Sergiy Krylyuk, Tam Vu, Bruno Crulhas, Gulnaz Stybayeva, Dong-Sik Shin, Albert Davydov, Alexander Revzin, Meruyert Imanbekova
Cytokines are small proteins secreted by immune cells in response to pathogens/infections; therefore these proteins can be used in diagnosing infectious diseases. For example, release of a cytokine interferon (IFN)-γ from T-cells is used for blood-based

LipidPioneer: Comprehensive User-Generated Exact Mass Templates for Lipidomics

January 10, 2017
Author(s)
Candice Z. Ulmer, John Bowden, Jared M. Ragland, Timothy J. Garrett, Jeremy P. Koelmel
Lipidomics, the comprehensive measurement of lipid species in a biological system, has promising potential in biomarker discovery and elucidating disease etiology. Advances in separation, mass spectrometric techniques, and applications to novel substrates

DNA Commission of the International Society for Forensic Genetics: Recommendations on the validation of software programs performing biostatistical calculations for forensic genetics applications

September 4, 2016
Author(s)
Michael D. Coble, John S. Buckleton, John M. Butler, Barbara Guttman
The use of biostatistical software programs to assist in data interpretation and calculate likelihood ratios is essential to forensic geneticists and part of the daily case work flow for both kinship and DNA identification laboratories. Previous

Chapter 1: Introduction to low temperatures materials and mechanisms

August 19, 2016
Author(s)
Ray Radebaugh
Operating at cold temperatures is essential to many processes in numerous fields of science and engineering including refrigeration, space exploration, electronics, physics, chemistry, thermodynamics, and medicine. Increasingly, there is a growing interest
Displaying 1751 - 1775 of 1947
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