Results 21 to 30 of about 903,366 (305)

Quantum Composites: A Review, and New Results for Models for Condensed Matter Nuclear Science [PDF]

open access: yes, 2016
A composite is made up of constituent particles; the center of mass dynamics is that of a single particle, and the composite can have many internal states and degrees of freedom.
Hagelstein, Peter L
core   +2 more sources

To the nature of 0+ states in 228Th studied by two-neutron transfer [PDF]

open access: yesЯдерна фізика та енергетика, 2014
Sequences of states observed in the 230Th(p, t)228Th reaction are selected which can be treated as rotational bands and as multiplets of excitations. Moments of inertia have been derived from these sequences, whose values may be considered as evidence of
A. I. Levon   +4 more
doaj  

Diffusion-weighted magnetic resonance imaging using a preclinical 1 T PET/MRI in healthy and tumor-bearing rats

open access: yesEJNMMI Research, 2019
Background Hybrid positron emission tomography and magnetic resonance imaging (PET/MRI) scanners are increasingly used for both clinical and preclinical imaging.
Jakob Albrecht   +11 more
doaj   +1 more source

Comparative study of constitutive relations implemented in RELAP5 and TRACE – Part II: Wall boiling heat transfer

open access: yesNuclear Engineering and Technology, 2022
Nuclear thermal-hydraulic system analysis codes have been developed to comprehensively model nuclear reactor systems to evaluate the safety of a nuclear reactor system.
Sung Gil Shin, Jeong Ik Lee
doaj   +1 more source

Integrating nuclear receptor mobility in models of gene regulation. [PDF]

open access: yes, 2006
The mode of action of nuclear receptors in living cells is an actively investigated field but much remains hypothetical due to the lack, until recently, of methods allowing the assessment of molecular mechanisms in vivo.
Engelborghs, Y.   +5 more
core   +1 more source

Investigation of 0+ states in 228Th via two-neutron transfer: experimental data [PDF]

open access: yesЯдерна фізика та енергетика, 2013
The excitation spectra in the deformed nucleus 228Th have been studied by means of the (p, t) reaction, using the Q3D spectrograph facility at the Munich Tandem accelerator.
A. I. Levon   +4 more
doaj  

Mathematical and computational models for simulating transient nuclear criticality excursions within wetted fissile powder systems [PDF]

open access: yes, 2021
This paper describes a novel methodology for the analysis of nuclear criticality excursions in fissile powder beds under wetting conditions. These potentially hazardous powder, slurry and sludge systems may be found in nuclear fuel manufacturing and ...
Williams, MMR   +4 more
core   +1 more source

Predictive power of nuclear-mass models [PDF]

open access: yesЯдерна фізика та енергетика, 2013
Ten different theoretical models are tested for their predictive power in the description of nuclear masses. Two sets of experimental masses are used for the test: the older set of 2003 and the newer one of 2011.
Yu. A. Litvinov   +2 more
doaj  

Spaced Training Enhances Contextual Fear Memory via Activating Hippocampal 5-HT2A Receptors

open access: yesFrontiers in Molecular Neuroscience, 2020
Spaced training is robustly superior to massed training, which is a well-documented phenomenon in humans and animals. However, the mechanisms underlying the spacing effect still remain unclear.
Lizhu Jiang   +12 more
doaj   +1 more source

Dynamic Modeling Efforts for System Interface Studies for Nuclear Hydrogen Production. [PDF]

open access: yes, 2007
System interface studies require not only identifying economically optimal equipment configurations, which involves studying mainly full power steady-state operation, but also assessing the operability of a design during load change and startup and ...
Vilim, R. B.   +1 more
core   +1 more source

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