Results 231 to 240 of about 417,893 (298)

Strain‐Induced Density Fluctuations in Glassy Polymers

open access: yesMacromolecular Rapid Communications, EarlyView.
Strain deformation induces the density fluctuations in glassy polymers, resulting in shear‐thinning behavior. ABSTRACT Deformation of glassy polymers induces plastic flow as a result of mechanical instability, ultimately leading to cavitation and fracture of the liquid. Thus, understanding the origin of such mechanical instability is crucial.
Mikihito Takenaka   +8 more
wiley   +1 more source

History and current developments of RERF dosimetry. [PDF]

open access: yesCarcinogenesis
Cullings HM   +11 more
europepmc   +1 more source

Ambiguities in Assigning Single‐Crystal NMR Data to Individual Atoms in the Crystal Structure: A Case Study of Hambergite, Be2$$ {}_2 $$BO3$$ {}_3 $$OH, by 9$$ {}^9 $$Be and 11$$ {}^{11} $$B NMR Spectroscopy, XRD Measurements and DFT Calculations

open access: yesMagnetic Resonance in Chemistry, EarlyView.
The fundamental question of how to assign NMR resonances to specific atoms in the unit cell is addressed by using the 9Be and 11B spectra of the natural mineral hambergite as a model system. ABSTRACT The NMR interaction tensors of 9$$ {}^9 $$Be and 11$$ {}^{11} $$B of hambergite, Be2$$ {}_2 $$BO3$$ {}_3 $$OH, were derived from single‐crystal NMR ...
Jennifer Steinadler   +6 more
wiley   +1 more source

DÉTERMINATION EXPÉRIMENTALE DE LA DISTRIBUTION RADIALE DES NEUTRONS DE LA COUCHE 1g 9/2

open access: green, 1978
J.B. Bellicard   +10 more
openalex   +2 more sources

Characterization of Fuel Rods Supported by Dimple‐Less Spacer Grids and Subjected to Nonlinear Vibrations

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT An experimental campaign was undertaken to demonstrate the applicability of the Bouc–Wen hysteretic model to describe the hysteretic system of the recent Framatome dimple‐less spacer grid design for Pressurized Water Reactors. The experimental setup subjected a reduced‐length fuel rod, supported at both ends by dimple‐less grids, to forced ...
Giovanni Ferrari   +3 more
wiley   +1 more source

Gap Symmetry, Electronic Structure and Interplay Between Superconductivity and Spin Density Wave in Sr1−xKxFe2As2 Superconductor

open access: yesNano Select, EarlyView.
In moderately hole‐doped Sr1−xKxFe2As2${\rm Sr}_{1-x}{\rm K}_x{\rm Fe}_2{\rm As}_2$ system the pairing state is s+−${\rm s}^{+-}$ wave pairing state mediated by spin fluctuations. As the SDW order parameter increases, TC${\rm T}_C$ decreases and TM${\rm T}_M$ increases. As temperature increases, the SDW order parameter decreases and vanishes at TM${\rm
Gedefaw Mebratie   +2 more
wiley   +1 more source

Vertically Self-Oriented, Ultrafast 1D ZnO:Li Nanorods as Scintillators for Thermal Neutron Detection. [PDF]

open access: yesACS Appl Nano Mater
Kurudirek M   +8 more
europepmc   +1 more source

Magnetic structures of actinide materials by pulsed neutron diffraction

open access: green, 1990
A.C. Lawson   +7 more
openalex   +1 more source

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