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Hydrodynamic form of non-relativistic quantum mechanics is extended
Reformulation of non-relativistic quantum mechanics using hydrodynamic equations, extended to particles confined to surface waves with specific boundary conditions.
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Injected tie-rods improve out-of-plane masonry wall capacity
Study validates full-length tie-rod retrofitting for reducing out-of-plane seismic vulnerability in unreinforced masonry walls, providing design tools with ~7% accuracy.
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Cracks do not always mean stone vault failure
Methodology for evaluating load-bearing capacity of cracked cylindrical stone vaults through experimental interaction dependencies between bending moments and axial forces.
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Tomographic analysis detects possible embedded planets in disks
Tomographic analysis of molecular line observations enables detection of embedded planets in protoplanetary disks, revealing multiple planet candidates in HD 135344B and MWC 758.
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Large protoplanetary disks show widespread non-Keplerian gas motions
Two-dimensional kinematic mapping of 15 protoplanetary disks reveals ubiquitous non-Keplerian deviations including spiral structures, with systematic differences between disk classifications.
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Seatback bottoming out increased thoracic loading in rear impacts
Case and crash-test analysis showing underride-driven rear seat pan contacting the rearward-rotating front seatback produced bottoming-out impulses that substantially amplified thoracic loading.