Articles with "moderator" as a keyword



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Effect of Moderator–Coolant Chemical Interaction on Accident Development in the No. 4 Unit of the Chernobyl NPP

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Published in 2018 at "Atomic Energy"

DOI: 10.1007/s10512-018-0357-x

Abstract: The accident in the No. 4 unit of the Chernobyl NPP destroyed the reactor and enclosures and resulted in atmospheric emissions of fission products, irradiated fuel, moderator, and other radioactive materials. The large-scale destruction could… read more here.

Keywords: moderator; accident; chernobyl npp; interaction ... See more keywords
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Advancing Personalized Medicine: Application of a Novel Statistical Method to Identify Treatment Moderators in the Coordinated Anxiety Learning and Management Study.

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Published in 2017 at "Behavior therapy"

DOI: 10.1016/j.beth.2017.02.001

Abstract: There has been increasing recognition of the value of personalized medicine where the most effective treatment is selected based on individual characteristics. This study used a new method to identify a composite moderator of response… read more here.

Keywords: medicine; moderator; anxiety; treatment ... See more keywords
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Poison injection in AHWR calandria: Flow pattern and mixing characteristics

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Published in 2017 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2016.09.109

Abstract: Abstract In Advanced Heavy Water Reactor (AHWR), two active, independent, functionally diverse, fast acting shut down systems are used. Shut Down System-1 (SDS-1) consists of mechanical shut off rods and Shut Down System-2 (SDS-2) based… read more here.

Keywords: shut; moderator; calandria; poison injection ... See more keywords
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Thermodynamic modelling of Y–H and Y–Zr–H system aided by first-principles and its application in bulk hydride moderator fabrication

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Published in 2020 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2020.152035

Abstract: Abstract A self-consistent thermodynamic description of Y–H binary system has been derived using the CALPHAD method with the aid of first-principles calculations and applied in the fabrication of crack-free bulk Zr–Y hydride neutron moderator. The… read more here.

Keywords: hydride; system; moderator; bulk hydride ... See more keywords
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Mixed convection around calandria tubes in a ¼ scale CANDU-6 moderator circulation tank

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Published in 2017 at "Nuclear Engineering and Design"

DOI: 10.1016/j.nucengdes.2017.03.010

Abstract: Abstract This study experimentally characterizes mixed convection around calandria tubes (CTs) in a ¼ scale CANDU-6 moderator circulation tank (MCT) that uses air as the working fluid. In a full scale CANDU-6 reactor that undergoes… read more here.

Keywords: moderator; scale candu; convection around; convection ... See more keywords
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Reactor performance and safety characteristics of two-phase composite moderator concepts for modular high temperature gas cooled reactors

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Published in 2020 at "Nuclear Engineering and Design"

DOI: 10.1016/j.nucengdes.2020.110824

Abstract: Abstract Graphite moderators have an extensive historical performance record, but also feature inherent challenges for modular High Temperature Gas-Cooled Reactors (mHTGRs). Challenges with graphite include non-uniform expansion and contraction under irradiation and build-up of potential… read more here.

Keywords: performance; fuel; temperature; energy ... See more keywords
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Compact and easy to use mesitylene cold neutron moderator for CANS

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Published in 2018 at "Physica B: Condensed Matter"

DOI: 10.1016/j.physb.2018.01.016

Abstract: Abstract Organic aromatic cold neutron moderators - like mesitylene ( C 9 H 12 ) - are often much more convenient to handle and to commission than cryogenic methane or ortho/para hydrogen moderators. Although this… read more here.

Keywords: neutron; easy use; moderator; cold neutron ... See more keywords
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Do simple slopes follow-up tests lead us astray? Advancements in the visualization and reporting of interactions.

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Published in 2020 at "Psychological methods"

DOI: 10.1037/met0000266

Abstract: Statistical interactions between two continuous variables in linear regression are common in psychological science. As a follow-up analysis of how the moderator impacts the predictor-outcome relationship, researchers often use the pick-a-point simple slopes method. The… read more here.

Keywords: tests lead; simple slopes; moderator; lead astray ... See more keywords
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Measurements of neutronic characteristics of rectangular and cylindrical coupled hydrogen moderators

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Published in 2018 at "Journal of Nuclear Science and Technology"

DOI: 10.1080/00223131.2017.1394235

Abstract: ABSTRACT Extensive simulation calculations were performed in the design studies of the coupled hydrogen moderator for the pulsed spallation neutron source of the Japan Proton Accelerator Research Facility (J-PARC). It was indicated that a para-hydrogen… read more here.

Keywords: coupled hydrogen; moderator; hydrogen; hydrogen moderators ... See more keywords
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Model design of a deuterium-deuterium neutron generator moderator and evaluation for delayed gamma-ray nondestructive assay for safeguards verification

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Published in 2020 at "Journal of Nuclear Science and Technology"

DOI: 10.1080/00223131.2020.1825236

Abstract: ABSTRACT The Japan Atomic Energy Agency is evaluating delayed gamma-ray spectroscopy as an active interrogation nondestructive assay technique to quantify the fissile composition of nuclear materials for improved safeguards verification in nuclear fuel cycle facilities.… read more here.

Keywords: neutron; gamma ray; moderator; deuterium ... See more keywords
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Probing Moderation Analysis in Two-Instance Repeated-Measures Designs

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Published in 2018 at "Multivariate Behavioral Research"

DOI: 10.1080/00273171.2017.1404901

Abstract: Methods for testing and probing interactions in betweenparticipant designs are well known; however, how to handle these effects when one variable involved is a within-participant factor is underdeveloped. Twoinstance repeated-measures designs, where each participant is… read more here.

Keywords: measures designs; two instance; moderator; instance repeated ... See more keywords