Results 91 to 100 of about 903 (120)

In vitro evaluation of the effects of various remineralization agents on root caries. [PDF]

BMC Oral Health
Sahin M, Erdilek D, Topcuoglu N.
europepmc   +1 more source

Retinal degeneration driven by brain-derived neurotrophic factor deficiency in microglia and T-lymphocytes. [PDF]

Sci Rep
Reinehr S, Zehge JP, Klöster K, Mueller M, Hendek HH, Sendtner M, Dick HB, Gold R, Joachim SC, Faissner S.   +9 more
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Violet Arsenic Phosphorus: Switching p-Type into High Performance n-Type Semiconductor by Arsenic Substitution. [PDF]

Nanomicro Lett
Zhai R, Wen Z, Zhao X, She J, Gu M, Bu F, Huang C, Meng G, Cheng Y, Zhang J.   +9 more
europepmc   +1 more source

Crystal Structure and Morphology-Controlled Synthesis of Co_1-<i>x</i>Mn_<i>x</i>P Nanocrystals and Their Composition-Dependent Electrocatalytic Activity for the Hydrogen Evolution Reaction. [PDF]

ACS Appl Mater Interfaces
Alam MK, Wang D, Baker J, Lao KU, Arachchige IU.   +4 more
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Chiral multi-curved shell metamaterials integrating compression-torsion and buckling mechanisms for ideal energy absorption. [PDF]

Nat Commun
Liu CX, Zhang Y, Wang X, Yu GL, Zhuang Z, Liu Z.   +5 more
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Helical Photonic Metamaterials for Encrypted Chiral Holograms. [PDF]

Adv Sci (Weinh)
Choi W, Moestopo WP, Gu S, Lee T, Yoo JH, Xia X, Armstrong MR.   +6 more
europepmc   +1 more source

Low-Cost, Compact Quadrupole Mass Filters with Unity Mass Resolution via Ceramic Resin Vat Photopolymerization. [PDF]

Adv Sci (Weinh)
Eckhoff CC, Lubinsky NK, Metzler LJ, Pedder RE, Velásquez-García LF.   +4 more
europepmc   +1 more source

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Development of a flow sweeping mixing model for helical fuel rod bundles

Annals of Nuclear Energy, 2021
Abstract The helical fuel rod is a kind of axially twisted fuel element with a three or four-petaled profile. The helical fuel rod assembly assembled by helical fuel rods against one another in an array is self-supporting and free of spacer grids. This study analyses the flow field in a four-petaled helical fuel rod bundle from a subchannel method ...
Yao Xiao, Junsen Fu
exaly   +2 more sources

Analysis of inter-channel sweeping flow in wire wrapped 19-rod bundle

Nuclear Engineering and Design, 2018
Abstract Helical wire spacers are widely used in sodium cooled fast reactors. One of the main effects of wire spacers is enhancing the inter-channel cross flow in triangular arrayed rod bundles. To study the characteristic of sweeping flow rate across the gaps between the sub-channels, the computational fluid dynamics (CFD) method is used in the ...
Wang, Xi, Cheng, Xu
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Numerical investigation and modeling of two-phase flow sweeping in rod bundles with mixing vane grid spacers

Annals of Nuclear Energy, 2015
Grid spacers with mixing vanes are used in nuclear fuel assemblies in order to increase the lateral cross-flows between sub-channels that homogenize the temperature distribution within the fuel rod bundle. For the thermal-hydraulic design of such fuel bundles, sub-channel analysis codes are used in order to predict the mass and temperature distribution.
Zimmermann, Markus, Cheng, Xu, Otic, Ivan, Sieber, Galina, Goodheart, Kevin   +4 more
openaire   +2 more sources