Author: SRI International
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Production of Low-Cost Solar-Grade Silicon By Reduction of SiF4 Gas with Sodium: Technical and Industrial Developmental Status
Low-cost solar-grade silicon can be mass produced by burning Na metal in an atmosphere of pure SiF 4 gas—an exothermic, fast, and complete reaction.
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Convergence of a Least-Squares Monte Carlo Algorithm for Bounded Approximating Sets
We analyse the convergence properties of the Longstaff–Schwartz algorithm for approximately solving optimal stopping problems that arise in the pricing of American (Bermudan) financial options.
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GIGA: a Simple, Efficient Algorithm for Gene Tree Inference in the Genomic Age
We describe a simple, fast algorithm for inferring gene phylogenies, which makes use of information that was not available prior to the genomic age: namely, a reliable species tree spanning much of the tree of life, and knowledge of the complete complement of genes in a species’ genome.
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Steam-Stripping for Regeneration of Supported Amine-Based CO2 Adsorbents
Here, a practical desorption process for supported amine adsorbents, steam-stripping, is demonstrated for the first time.
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A Flexible Streaming Software Architecture for Scientific Instruments
Details of the Advanced Riometer Components (ARCOM) component-based software architecture are presented.
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A New Look at Low-Energy Nuclear Reaction (Lenr) Research: a Response to Shanahan
These issues are addressed by the researchers who conducted the original work discussed in the Krivit and Marwan (K&M) review paper.
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Studies of the Phosphorescence of Polycrystalline Hafnia
Persistent phosphorescence induced by ultraviolet light in polycrystalline HfO2 and enhancement of the phosphorescence by sintering are investigated.
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Connected Speech Production in Three Variants of Primary Progressive Aphasia
In this study, our first objective was to improve the characterization of connected speech production in each variant of primary progressive aphasia, by quantifying speech output along a number of motor speech and linguistic dimensions simultaneously.
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Content analysis of collaboratively constructed knowledge artifacts: Issues and opportunities for research
New social media for collaborative knowledge construction, often associated with “Web 2.0,” represent an emerging context for the research of learning and instruction.
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Low-Cost Solar-Grade Silicon: Purification and Consolidation of Silicon Fines from Wafering
The SRI International developed technology is based on the prepurification and simultaneous melt-consolidation and further purification of silicon fines from wafering operations.
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Study of the Austin Independent School District’s Redesign and High School Reform Initiative: Interim Report
This report describes the Austin Independent School District’s recent effort to improve its high schools through a variety of initiatives led by the Office of District Redesign.
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LDA based similarity modeling for question answering
We investigate Latent Dirichlet Allocation (LDA) models to obtain ranking scores based on a novel similarity measure between a natural language question posed by the user and a candidate passage.