Results 71 to 80 of about 543,693 (304)
Mechanical Strength Characterization of Plastic Fiber Reinforced Cement Concrete Composites
Applied Sciences, 2021 The reinforcing efficiency of plastic fibers obtained from shredded plastic waste was tested in plain concrete mixes and experimentally verified in this study.
Sivakumar Anandan, Majed Alsubih
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Shear Transformation Zones: State Determined or Protocol Dependent?
, 2014 The concept of a Shear Transformation Zone (STZ) refers to a region in an amorphous solid that undergoes a plastic event when the material is put under an external mechanical load.
Gendelman, Oleg +4 more
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Morris Water Maze Learning in Two Rat Strains Increases the Expression of the Polysialylated Form of the Neural Cell Adhesion Molecule in the Dentate Gyrus But Has No Effect on Hippocampal Neurogenesis [PDF]
, 2005 In the current study, the authors investigated whether Morris water maze learning induces alterations in hippocampal neurogenesis or neural cell adhesion molecule (NCAM) polysialylation in the dentate gyrus.
Borght, Karin van der, +4 more
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Active zones for presynaptic plasticity in the brain [PDF]
Molecular Psychiatry, 2005 Some of the most abundant synapses in the brain such as the synapses formed by the hippocampal mossy fibers, cerebellar parallel fibers and several types of cortical afferents express presynaptic forms of long-term potentiation (LTP), a putative cellular model for spatial, motor and fear learning.
P, García-Junco-Clemente +2 more
openaire +2 more sources
Dynamic Precipitation during High‐Pressure Torsion of a Magnesium–Manganese Alloy
Advanced Engineering Materials, EarlyView.An ultrafine‐grained alloy is produced by high‐pressure torsion of solutionized Mg–1.35 wt% Mn. Precipitation of nanometer‐scale Mn particles during deformation provides pinning sites. This prevents the formation of a bimodal grain structure and results in a finer grain size than for pure Mg.
Julian M. Rosalie, Anton Hohenwarter
wiley +1 more source
Research on Deep-Site Failure Mechanism of High-Steep Slope under Active Fault Creeping Dislocation
Shock and Vibration, 2021 The reverse thrust in the deep site causes the upward propagation of stress and displacement in the overlying soil. The displacement field around the fault zone is maximum.
Yang Liu +4 more
doaj +1 more source
Presynaptic active zone density during development and synaptic plasticity [PDF]
Frontiers in Molecular Neuroscience, 2012 Neural circuits transmit information through synapses, and the efficiency of synaptic transmission is closely related to the density of presynaptic active zones, where synaptic vesicles are released. The goal of this review is to highlight recent insights into the molecular mechanisms that control the number of active zones per presynaptic terminal ...
Clarke, Gwenaëlle L. +2 more
openaire +3 more sources
Advanced Engineering Materials, EarlyView.This article describes the preparation and characterization of poly(ε‐caprolactone) electrospun composite fibers incorporating sol‐gel‐derived bioactive glass particles doped with B and Cu. Scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, Fourier‐transform infrared spectroscopy, contact angle, acellular bioactivity, mechanical and ...
Elisa Piatti +5 more
wiley +1 more source
Geofluids, 2021 The expansion of the roadway surrounding rock failure zone may connect the floor aquifer and cause the roadway water inrush. In order to reveal the mechanism of the roadway water inrush above confined water, we established the force model of the roadway ...
Xiaofei Guo +7 more
doaj +1 more source
Difracción de rayos X y difracción de neutrones en estudios de fatiga y fractura de materiales [PDF]
, 2019 Conferencia invitada de Joseph F KelleherThe fatigue behaviour of polycrystalline metals is often studied through crack propagation analysis [1,2]. Nevertheless, understanding the mechanical processes that take place right at the crack tip [3,4] would ...
Kelleher, J F
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