1410 lines
95 KiB
Text
1410 lines
95 KiB
Text
<!DOCTYPE html>
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<html lang="en" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# schema: http://schema.org/ sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema# ">
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<div class="entity-reference"> <a href="/news-events/news/2024/05/new-way-designing-auxetic-materials" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/05/30/auextic-hero-final.png?itok=nGzAzp9w" width="100" height="58" alt="Two lattices are labeled Conventional and Auxetic. Arrows show that the auxetic lattice expands in height when pulled in width. " typeof="foaf:Image" />
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<h3 class="nist-teaser__title"><a href="/news-events/news/2024/05/new-way-designing-auxetic-materials"><span property="schema:name">A New Way of Designing Auxetic Materials</span>
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<div class="daterange"><time datetime="2024-05-30T12:00:00Z">May 30, 2024</time>
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</header>
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<div class="nist-teaser__content">
|
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<div property="schema:text" class="text-with-summary"> Auxetics defy common sense, widening when they’re stretched and narrowing when they’re compressed.
|
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about="/news-events/news/2022/09/spotlight-two-brothers-one-passion-mechanical-engineering" typeof="schema:Article" class="nist-teaser"
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<div class="entity-reference"> <a href="/news-events/news/2022/09/spotlight-two-brothers-one-passion-mechanical-engineering" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2022/09/23/Brothers.png?itok=epv4bW3i" width="100" height="100" alt="Side-by-side photos show twin brothers posing with arms crossed in lab or office settings." typeof="foaf:Image" />
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<h3 class="nist-teaser__title"><a href="/news-events/news/2022/09/spotlight-two-brothers-one-passion-mechanical-engineering"><span property="schema:name">Spotlight: Two Brothers, One Passion for Mechanical Engineering</span>
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<div class="daterange"><time datetime="2022-09-20T12:00:00Z">September 20, 2022</time>
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|
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<div class="nist-teaser__content">
|
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<div property="schema:text" class="text-with-summary"> This is a tale of two brothers who both found a passion for mechanical engineering research, separated to pursue their own interests in graduate school, and
|
||
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</div>
|
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about="/news-events/news/2022/08/remove-co2-atmosphere-imagine-possibilities" typeof="schema:Article" class="nist-teaser"
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<div class="entity-reference"> <a href="/news-events/news/2022/08/remove-co2-atmosphere-imagine-possibilities" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2022/08/23/PorousCrystallineMaterialConcept.png?itok=jIG6umvg" width="100" height="98" alt="Illustrated cube has crystal framework in gray with red balls interspersed in the open spaces." typeof="foaf:Image" />
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<h3 class="nist-teaser__title"><a href="/news-events/news/2022/08/remove-co2-atmosphere-imagine-possibilities"><span property="schema:name">To Remove CO<sub>2</sub> From the Atmosphere, Imagine the Possibilities</span>
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<div class="daterange"><time datetime="2022-08-24T12:00:00Z">August 24, 2022</time>
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<div property="schema:text" class="text-with-summary"> Computer simulation methods from NIST help speed up the search for carbon capture materials.
|
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<h3 class="nist-teaser__title"><a href="/news-events/events/2025/06/building-path-forward-meaningful-cannabis-breathalyzer-realization"><span>Building a Path Forward for Meaningful Cannabis Breathalyzer Realization</span>
|
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about="/programs-projects/standards-development-ensure-reliable-breath-analysis-field" class="nist-teaser"
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>
|
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|
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<div class="entity-reference"> <a href="/programs-projects/standards-development-ensure-reliable-breath-analysis-field" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/07/10/Picture1%20summary%20use.png?itok=SGOuNpgV" width="100" height="67" alt="Breathalyzer" typeof="foaf:Image" />
|
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|
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<h3 class="nist-teaser__title"><a href="/programs-projects/standards-development-ensure-reliable-breath-analysis-field"><span>Standards Development to Ensure Reliable Breath Analysis in the Field</span>
|
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</a></h3>
|
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|
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<div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div>
|
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|
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|
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|
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</header>
|
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|
||
<div class="text-with-summary"> Numerous volatile organic compounds (VOCs) have been identified in human breath. These compounds can be produced by the body or by organisms in the body (e.g., bacteria or viruses) and provide a non-invasive window into human health. Inexpensive point-of-care devices are being developed to diagnose
|
||
|
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|
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|
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|
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|
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|
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|
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<article
|
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about="/programs-projects/x-ray-testbed-breakthrough-catalyst-measurements" class="nist-teaser"
|
||
>
|
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<div class="nist-teaser__image">
|
||
<div class="entity-reference"> <a href="/programs-projects/x-ray-testbed-breakthrough-catalyst-measurements" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2023/05/02/Screenshot%202023-05-02%20at%201.20.06%20PM.png?itok=STPS2zGf" width="100" height="94" alt="Catalyst Testbed" typeof="foaf:Image" />
|
||
|
||
</a>
|
||
</div>
|
||
|
||
</div>
|
||
<div class="nist-teaser__content-wrapper">
|
||
<header>
|
||
<h3 class="nist-teaser__title"><a href="/programs-projects/x-ray-testbed-breakthrough-catalyst-measurements"><span>X-ray Testbed for Breakthrough Catalyst Measurements</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Interested in collaborating? See below What does this project do for industry? Current measurement techniques are unable to follow the reaction pathways during catalysis and are limited to observing only the end products or looking at catalysts outside of realistic reaction conditions. Our new
|
||
|
||
</div>
|
||
|
||
</div>
|
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</div>
|
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</article>
|
||
</div>
|
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<div>
|
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<article
|
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about="/programs-projects/microstructure-property-tools-structure-property-design" class="nist-teaser"
|
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>
|
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<div class="nist-teaser__content-wrapper">
|
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<header>
|
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<h3 class="nist-teaser__title"><a href="/programs-projects/microstructure-property-tools-structure-property-design"><span>Microstructure-Property Tools for Structure-Property Design</span>
|
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</a></h3>
|
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<div class="nist-teaser__type">
|
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<div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div>
|
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|
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|
||
|
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|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Microstructure-level Structure-Property Tools OOF: Finite Element Analysis of Microstructures enables materials scientists calculate macroscopic properties from images of real or simulated microstructures. It reads an image, assigns material properties to features in the image, and conducts virtual
|
||
|
||
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about="/programs-projects/atomistic-tools-structure-property-investigations" class="nist-teaser"
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<h3 class="nist-teaser__title"><a href="/programs-projects/atomistic-tools-structure-property-investigations"><span>Atomistic tools for structure-property investigations</span>
|
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<div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div>
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|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Interatomic Potential Repository The Interatomic Potentials Repository (IPR) provides a source for interatomic potentials (force fields), related files, and evaluation tools to help researchers obtain interatomic models and judge their quality and applicability. The files provided are of known
|
||
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||
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<h2 class="nist-block__title"> <div class="string">Publications</div>
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about="/publications/symmetry-breaking-induced-surface-magnetization-non-magnetic-ruo2" class="nist-teaser"
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|
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<header>
|
||
<h3 class="nist-teaser__title"><a href="/publications/symmetry-breaking-induced-surface-magnetization-non-magnetic-ruo2"><span>Symmetry-breaking induced surface magnetization in non-magnetic RuO2</span>
|
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|
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|
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<div class="daterange"><time datetime="2025-02-06T12:00:00Z">February 6, 2025</time>
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<div class="nist-teaser__type">
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<div class="nist-field__label">Author(s)</div>
|
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<div class="nist-field__item"><span class="nist-author">Garnett Bryant</span>, Quoc Dai Ho, Quang To, Ruiqi Hu, Anderson Janotti</div>
|
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|
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|
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</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Altermagnetism is a newly identified phase of magnetism distinct from ferromagnetism and antiferromagnetism. RuO2 has been considered a prototypical metallic
|
||
|
||
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|
||
|
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about="/publications/simulated-inter-filament-fusion-embedded-3d-printing" class="nist-teaser"
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|
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|
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<h3 class="nist-teaser__title"><a href="/publications/simulated-inter-filament-fusion-embedded-3d-printing"><span>Simulated inter-filament fusion in embedded 3D printing</span>
|
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|
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<div class="nist-teaser__date">
|
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<div class="daterange"><time datetime="2024-11-15T12:00:00Z">November 15, 2024</time>
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</div>
|
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|
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</div>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-field nist-field--label-inline text-long">
|
||
<div class="nist-field__label">Author(s)</div>
|
||
<div class="nist-field__item"><span class="nist-author">Leanne Friedrich</span>, Ross Gunther</div>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> In embedded 3D printing (EMB3D), a nozzle extrudes continuous filaments inside of a viscoelastic support bath. Compared to other extrusion processes, EMB3D
|
||
|
||
</div>
|
||
|
||
</div>
|
||
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|
||
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|
||
|
||
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|
||
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<article
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about="/publications/finite-temperature-atomistic-and-continuum-stress-fields-coherent-precipitates-small" class="nist-teaser"
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>
|
||
<div class="nist-teaser__content-wrapper">
|
||
<header>
|
||
<h3 class="nist-teaser__title"><a href="/publications/finite-temperature-atomistic-and-continuum-stress-fields-coherent-precipitates-small"><span>Finite-Temperature Atomistic and Continuum Stress Fields of Coherent Precipitates with a Small Lattice Misfit</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__date">
|
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<div class="daterange"><time datetime="2024-11-05T12:00:00Z">November 5, 2024</time>
|
||
</div>
|
||
|
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</div>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-field nist-field--label-inline text-long">
|
||
<div class="nist-field__label">Author(s)</div>
|
||
<div class="nist-field__item"><span class="nist-author">Anas Abu-Odeh</span>, <span class="nist-author">James Warren</span></div>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> An accurate description of elastic effects of coherent microstructures is necessary for the predictive modeling of microstructural evolution in many structural
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
|
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|
||
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<article
|
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about="/publications/two-fluid-model-nonlinear-flow-wormlike-micelle-solutions-i-model" class="nist-teaser"
|
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>
|
||
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|
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<header>
|
||
<h3 class="nist-teaser__title"><a href="/publications/two-fluid-model-nonlinear-flow-wormlike-micelle-solutions-i-model"><span>Two-fluid model for nonlinear flow of wormlike micelle solutions. I: Model</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__date">
|
||
<div class="daterange"><time datetime="2024-11-01T12:00:00Z">November 1, 2024</time>
|
||
</div>
|
||
|
||
</div>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-field nist-field--label-inline text-long">
|
||
<div class="nist-field__label">Author(s)</div>
|
||
<div class="nist-field__item"><span class="nist-author">Paul Salipante</span>, Michael Cromer, <span class="nist-author">Steven D. Hudson</span></div>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> We develop a rheological model to approximate the nonlinear rheology of wormlike micelles using two constitutive models to represent a structural transition at
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
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||
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<h2 class="nist-block__title"> <div class="string">Software</div>
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|
||
about="/services-resources/software/ocean" class="nist-teaser"
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|
||
<div class="entity-reference"> <a href="/services-resources/software/ocean" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2021/01/22/Li2O2.png?itok=konolTFm" width="100" height="75" alt="The measured and calculated RIXS maps at the oxygen K edge of lithium peroxide" typeof="foaf:Image" />
|
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|
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|
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|
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|
||
<h3 class="nist-teaser__title"><a href="/services-resources/software/ocean"><span>OCEAN</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__date">
|
||
<div class="daterange"><time datetime="2023-02-03T12:00:00Z">February 3, 2023</time>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> OCEAN is a versatile package for calculating both optical/UV and core-edge spectroscopy. It is a first-principles code based on both ground-state density
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
</div>
|
||
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|
||
|
||
<article
|
||
about="/services-resources/software/bbest-bayesian-estimation-incoherent-neutron-scattering-backgrounds" class="nist-teaser"
|
||
>
|
||
<div class="nist-teaser__content-wrapper">
|
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<header>
|
||
<h3 class="nist-teaser__title"><a href="/services-resources/software/bbest-bayesian-estimation-incoherent-neutron-scattering-backgrounds"><span>BBEST Bayesian Estimation of Incoherent Neutron Scattering Backgrounds</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__date">
|
||
<div class="daterange"><time datetime="2017-03-01T12:00:00Z">March 1, 2017</time>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> We implemented a Bayesian-statistics approach for subtraction of incoherent scattering from neutron total-scattering data. In this approach, the estimated
|
||
|
||
</div>
|
||
|
||
</div>
|
||
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|
||
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|
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|
||
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|
||
about="/services-resources/software/rmcprofile" class="nist-teaser"
|
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>
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|
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|
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<h3 class="nist-teaser__title"><a href="/services-resources/software/rmcprofile"><span>RMCPROFILE</span>
|
||
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|
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<div class="nist-teaser__date">
|
||
<div class="daterange"><time datetime="2017-03-01T12:00:00Z">March 1, 2017</time>
|
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</div>
|
||
|
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</div>
|
||
|
||
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|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> RMCProfile is a free software package (developed as a collaborative effort between scientists at several institutions including NIST), that can fit
|
||
|
||
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|
||
|
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|
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|
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|
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about="/services-resources/software/gsasuse-bayesian-statistics-approach-accounting-unknown-systematic" class="nist-teaser"
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|
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|
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<div class="nist-teaser__date">
|
||
<div class="daterange"><time datetime="2017-03-01T12:00:00Z">March 1, 2017</time>
|
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- <time datetime="2017-10-04T12:00:00Z">October 4, 2017</time>
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|
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|
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<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> GSAS_USE addresses the effects of systematic errors in Rietveld refinements. The errors are categorized into multiplicative, additive, and peak-shape types
|
||
|
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|
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|
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|
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