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Displaying 13226 - 13250 of 73927

The Cytosolic Domain of T Cell Receptor z Associates with Membranes in a Dynamic Equilibrium and and Deeply Penetrates the Bilayer

September 11, 2017
Author(s)
Kerstin Zimmermann, Rebecca Eells, Frank Heinrich, Stefanie Rintoul, Brian Patrick Josey, Prabhanshu Shekhar, Mathias Loesche, Lawrence J. Stern
Interactions between lipid bilayers and the membrane-proximal regions of membrane-associated proteins play important roles in regulating membrane protein structure and function. The T cell antigen receptor (TCR) is an assembly of eight single-pass membrane

Cybersecurity Framework Manufacturing Profile

September 8, 2017
Author(s)
Keith A. Stouffer, Timothy A. Zimmerman, CheeYee Tang, Joshua Lubell, Jeffrey A. Cichonski, John McCarthy
[Superseded by NISTIR 8183 (September 2017, Includes updates as of May 20, 2019)]This document provides the Cybersecurity Framework (CSF) implementation details developed for the manufacturing environment. The "Manufacturing Profile" of the Cybersecurity

Under-Reporting of Wildland Fires in NFIRS: California

September 8, 2017
Author(s)
David T. Butry, Douglas S. Thomas
The absence of a comprehensive database on fire occurrence along with the possibility of inaccurate data entry in current datasets means that some proportion of wildfires is not reported and the damage they cause is to some extent unknown. Without this

Business Process Context for Message Standards

September 7, 2017
Author(s)
Nenad Ivezic, Miroslav Ljubicic, Marija Jankovic, Boonserm Kulvatunyou, Scott Nieman, Garret Minakawa
Despite unrelenting increase in complexity of message standards for enterprise systems integrations, there are no effective means to address this complexity issue in practice. We describe an effort to address the issue by advancing message standards

Environmental KPI Selection Using Criteria Value and Demonstration

September 7, 2017
Author(s)
Shaw C. Feng, Deogratias Kibira
Determining key performance indicators (KPI) is a first step in achieving environmen-tal sustainability of manufacturing operations. KPI selection is a multi-criteria decision making problem, because of various criteria that must be considered. Intuitively

Fine Tuning of MOF-505 Analogues to Reduce Low-Pressure Methane Uptake and Enhance Methane Working Capacity

September 7, 2017
Author(s)
Mingxing Zhang, Wei Zhou, Tony Pham, Katherine A. Forrest, Wenlong Liu, Yabing He, Hui Wu, Taner N. Yildirim, Banglin Chen, Brian Space, Yi Pan, Michael J. Zaworotko, Junfeng Bai
We present a crystal engineering strategy to fine tune the pore chemistry of a family of isomorphous MOFs with similar pore size, pore surface properties and surface area (around 3000 m 2 g -1). Targeting PCN-14 variants in order to enhance its CH 4

Measurement Uncertainty in the Hydronic System in the IBAL

September 7, 2017
Author(s)
Amanda J. Pertzborn
The Intelligent Building Agents Laboratory (IBAL) has been designed to demonstrate the potential for distributed, intelligent software agents to perform optimization of control systems in commercial buildings. This technical note discusses the methodology

A DOMAIN DRIVEN APPROACH TO METAMODELING IN ADDITIVE MANUFACTURING

September 6, 2017
Author(s)
Peter O. Denno, Yan Lu, Paul Witherell, Sundar Krishnamurty, Ian Grosse, Douglas Eddy
Recent studies have shown advantages to utilizing metamodeling techniques to mimic, analyze, and optimize system input-output relationships in Additive Manufacturing (AM). This paper addresses a key challenge in applying such metamodeling methods, namely

Methods and Considerations to Determine Sphere Center from Terrestrial Laser Scanner Point Cloud Data

September 6, 2017
Author(s)
Prem K. Rachakonda, Balasubramanian Muralikrishnan, Luc Cournoyer, Geraldine S. Cheok, Vincent D. Lee, Katharine M. Shilling, Daniel S. Sawyer
The Dimensional Metrology Group (DMG) at the National Institute of Standards and Technology (NIST) is performing research to support the development of documentary standards within ASTM E57 committee. This committee is addressing the point-to-point

Production System Identification with Genetic Programming

September 6, 2017
Author(s)
Peter O. Denno, Charles Dickerson, Jenny Harding
Modern system identification methodologies use artificial neural nets, integer linear programming, genetic algorithms, and swarm intelligence to discover system models. Paring genetic programming, a variation of genetic algorithms, with Petri nets seems to

ESTABLISHING BRDF CALIBRATION CAPABILITIES THROUGH SHORTWAVE INFRARED

September 5, 2017
Author(s)
Catherine C. Cooksey, Georgi T. Georgiev, James Butler, Kurtis J. Thome, Leibo Ding
Satellite instruments operating in the reflective solar wavelength region require accurate and precise determination of the Bidirectional Reflectance Distribution Functions (BRDFs) of the laboratory and flight diffusers used in their pre-flight and on

Evaluation of a Formaldehyde Emissions Reference Material

September 5, 2017
Author(s)
Dustin Poppendieck, Mengyan Gong
The development and use of low-volatile organic compounds (VOCs) building materials and products is a key strategy to reduce ventilation and energy use in buildings while preserving the health and sustainability of the indoor environment. Labelling and

Low-NEP pyroelectric detectors for calibration of UV and IR sources and detectors

September 5, 2017
Author(s)
George P. Eppeldauer, Vyacheslav B. Podobedov, Leonard Hanssen, P. Yvonne Barnes
Pyroelectric radiometers with spectrally constant response have been developed at NIST with the cooperation of a few detector manufacturers. The new devices have noise-equivalent-power (NEP) values less than 1 nW/Hz^1/2 sufficiently low for use at the
Displaying 13226 - 13250 of 73927
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