Results 131 to 140 of about 1,027,169 (250)

Topology‐Optimized Bound States in the Continuum with High‐Q Acoustic Field Enhancement

open access: yesAdvanced Science, EarlyView.
This study presents a topology optimization method for acoustic metamaterials, achieving high‐Q resonances by redesigning a single unit cell within a periodic array. The design enables precise pressure confinement and energy trapping, validated through experiments.
Weibai Li   +2 more
wiley   +1 more source

Left convex thoracic scoliosis: retrospective analysis of 25 patients after surgical treatment [PDF]

open access: diamond, 2011
Birgit Deetjen   +6 more
openalex   +1 more source

Cyclo‐N9−: a Novel 5/6 Fused Polynitrogen Anion for High Energy Density Materials

open access: yesAdvanced Science, EarlyView.
This study presents a novel 5/6 fused polynitrogen anion, cyclo‐N9−, which is assembled with four cations to form energetic salts. The computational results reveal that the energy densities and detonation performances of these systems are far superior, even surpassing those of CL‐20.
Xiaofeng Yuan   +5 more
wiley   +1 more source

Experiments with a Convex Polyhedral Analysis Tool for Logic Programs

open access: green, 2007
Kim Steen Henriksen   +2 more
openalex   +2 more sources

A Hollow Shell‐Lattice Soft Robot in Flexible Pipelines with Flowing Fluids

open access: yesAdvanced Science, EarlyView.
This study proposes a novel shell‐lattice robot with hollow bodies, capable of crawling through pipes with flowing fluids of high velocities and viscosities and mixed with impurities. The robot also features capabilities of crawling with high payloads, in curved pipes, and unthethered crawling. These unique properties make this robot high promising for
Di Guo, Yiqiang Wang, Zhan Kang
wiley   +1 more source

A Novel tRF, HCETSR, Derived From tRNA‐Glu/TTC, Inhibits HCC Malignancy by Regulating the SPBTN1‐catenin Complex Axis

open access: yesAdvanced Science, EarlyView.
HCETSR, derived from tRNA‐Glu/TTC, binds to SPTBN1, promoting the dissociation of SPTBN1 from the catenin complex and facilitating the translocation of the catenin complex from the cell membrane to the nucleus. Meanwhile, HCETSR reduces proteasomal degradation of β‐catenin and synthesis of nascent β‐catenin.
Tao Rui   +13 more
wiley   +1 more source

Analysis of Robustness for Convex Optimization Applied to Array Antenna Pattern Synthesis

open access: green, 2008
Richard Torrealba-Meléndez   +2 more
openalex   +1 more source

High‐Speed Hyperspectral Imaging for Near Infrared Fluorescence and Environmental Monitoring

open access: yesAdvanced Science, EarlyView.
This study introduces a fast hyperspectral imaging method in the near‐infrared range (HyperNIR). Combining tunable polarization optics with a phasor‐based approach, HyperNIR captures detailed spectral information with just three images. The applicability is showcased by distinguishing NIR fluorophores that are separated by 5 nm.
Jan Stegemann   +9 more
wiley   +1 more source

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