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Displaying 376 - 400 of 3901

Ionic Liquids as Compatibilizers for the Preparation of Biopolymer Nanocomposites: Characterization Using Laser Scanning Confocal Microscopy

February 19, 2017
Author(s)
Jeffrey W. Gilman, P H. Maupin, Mauro Zammarano, Paul C. Trulove, D M. Fox, H DeLong, Ph Dubois, M Murariu
The process of dispersing ionic liquid modified montmorillonite in polylactide (PLA) using a twin-screw micro-compounder under different melt-compounding parameters was monitored using laser scanning confocal microscopy (LSCM). In addition the PLA-MMT

Kinetic Modeling of Heptane Combustion and PAH Formation

February 19, 2017
Author(s)
Valeri I. Babushok, Wing Tsang
Kinetics of heptane combustion was studied through numerical modeling. High temperature kinetic model of heptane combustion was constructed. The model includes four main blocks of reactions: C1-C2 chemistry, which is based on Grimech-3.0 model; block of C3

Letter to the Editor of ACI Materials Journal

February 19, 2017
Author(s)
A M. Rosenberg
This letter contains a discussion of the article in the May-June 1999 issue of the ACI Materials Journal on the Investigation of Chloride Diffusion for High-Performance Concrete Containing Fly Ash, Microsilica and Chemical Admixtures, by Zongjin Li, Jun

Localized Ignition and Subsequent Flame Spread Over Solid Fuels in Microgravity

February 19, 2017
Author(s)
Takashi Kashiwagi, Y N. Nakamura, Kuldeep Prasad, Howard R. Baum, S L. Olson, O -. Fujita, K K. Nishizawa, K. Ito
Ignition and subsequent flame spread over a paper sample and a PMMA sheet in microgravity are studied experimentally and theoretically. New results obtained during last two years are described.

MatML Editor: Technical Documentation

February 19, 2017
Author(s)
J Bakoczy, E F. Begley
This manuscript contains the technical documentation for the MatML Editor, an enabling technology intended to support widespread adoption of the language. The MatML Editor is a user-friendly, browser-based, form-driven application.

MatML Editor: User Documentation

February 19, 2017
Author(s)
J Bakoczy, E F. Begley
This manuscript contains the end-user documentation for the MatML Editor, an enabling technology intended to support widespread adoption of the language. The MatML Editor is a user-friendly, browser-based, form-driven application.

Measurements of the Photolytic Breakdown of Decabromodiphenyl Ether in Plastics

February 19, 2017
Author(s)
Marc R. Nyden, Rick D. Davis, Christopher C. White, H M. Stapleton, Nathan G. Dodder
In this talk, we report the product distributions and decomposition rates of DecaBDE when it is incapsulated in a common plastic, high impact polystyrene, and irradiated under controlled conditions using a calibrated source. The objective is to gain

Measuring the Affordability of Residential Building Innovations

February 19, 2017
Author(s)
C J. Leng
Innovations in residential construction have faced many barriers to adoption. One critical barrier is the absence of metrics that allow homeowners, home builders, and homebuyers to compare the cost effectiveness of adopting these new technologies in owner

Microgravity Superagglomerates Produced by Silane and Acetylene

February 19, 2017
Author(s)
Matthew Bundy, George Mulholland, Samuel Manzello, Jiann C. Yang, J H. Scott
A study of acetylene and silane diffusion flames was performed in normal gravity (1-g) and microgravity ([mu]-g) to determine the evolution of soot and silica agglomerates. The objective of this study was to understand the process of gas phase

Mini-Matt Flammability and Its Relation to Full-Scale Mattress Flammability

February 19, 2017
Author(s)
Thomas J. Ohlemiller, Roy A. McLane
Mini-mattresses of a size used for commercial display, were subjected to a pair of NIST-developed gas burners and the resulting heat release behavior was recorded. Peak heat release rate and time to peak for five sample designs were compared to the full

Modeling Building Access Control with BACnet

February 19, 2017
Author(s)
Stephen J. Treado, S Cook, Banty Jain, Michael Galler
This report describes a typical implementation of a building access control system integrated with other portions of a building automation system, using some of the newly developed features of BACnet. This functionality has been implemented in the NIST

Modeling, Measurement, and Standards for Wafer Inspection

February 19, 2017
Author(s)
George Mulholland, Thomas A. Germer, J C. Stover
The major technical issues regarding the calibration of Surface Scanning Inspection Systems (SSIS) are presented including descriptions of the salient features of SSISs and the deposition system using the differential mobility analyzer. The role of the

Moment Method for Obtaining Particle Size Measures of Test Smokes

February 19, 2017
Author(s)
Thomas Cleary, D W. Weinert, George Mulholland
The number concentration, ionization chamber output, and mass concentration were recorded continuously for five different test smokes generated in the fire emulator/detector evaluator. The number and the mass concentrations are direct measures of the

New Fire Retardant Nanocomposites

February 19, 2017
Author(s)
Takashi Kashiwagi
This is a chapter of a proposed book. This chapter reviews the progress of flammability of new type of polymer nanocomposites based on nanosilica particles, polyhedral oligometric silsequixanes (POSS), graphite, and carbon nanotubes. Three different types

NIST Calibration Facility for Sizing Spheres Suspended in Liquids

February 19, 2017
Author(s)
Michelle K. Donnelly, George Mulholland, Michael R. Winchester
A calibration facility has been developed to measure the peak diameter of particles suspended in liquid using differential mobility analysis (DMA). A description of the facility and the features that contribute to measurements with low uncertainties is

NIST Research in Autonomous Construction

February 19, 2017
Author(s)
Alan M. Lytle, Kamel S. Saidi
The National Institute of Standards and Technology Construction Metrology and Automation Group is conducting ongoing research to provide standards, methodologies, and performance metrics that will assist the development of advanced systems to automate
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