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Rotation symmetry mismatch and interlayer hybridization in MoS-black phosphorus van der Waals heterostructures.
Nat Commun
January 2025
School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, People's Republic of China.
Interlayer coupling in 2D heterostructures can result in a reduction of the rotation symmetry and the generation of quantum phenomena. Although these effects have been demonstrated in transition metal dichalcogenides (TMDs) with mismatched interfaces, the role of band hybridization remains unclear. In addition, the creation of flat bands at the valence band maximum (VBM) of TMDs is still an open challenge.
View Article and Find Full Text PDFReduction in EEG theta power as a potential marker for spatial disorientation during flight.
Sci Rep
January 2025
Department of Cognitive and Brain Sciences, Ben-Gurion University of the Negev, 1 Ben-Gurion Blvd, Beer-Sheva, Israel.
During flight, spatial disorientation (SD) commonly occurs when a pilot's perception conflicts with the aircraft's actual motion, attitude, or position. A prevalent form of SD is the somatogyral illusion, which is elicited by constant speed rotation and causes a false perception of motion in the opposite direction when the rotation ceases. This research aimed to investigate changes in brain activity that occur when experiencing a somatogyral illusion by simulating conditions closely mimicking flight conditions to gain insight into how to better manage this illusion during flight.
View Article and Find Full Text PDFDetection Method for Bolt Loosening Based on Summation Coefficient of Absolute Spectrum Ratio.
Sensors (Basel)
January 2025
Fujian Provincial Key Laboratory of Terahertz Functional Devices and Intelligent Sensing, School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350108, China.
A bolt loosening detection method based on the summation coefficient of the absolute spectrum ratio technique is proposed to address the prevalent issue of bolt loosening in mechanical connections. This proposed method involves initially collecting vibration and rotation speed signals of the motor bolt connection structure, acquiring the baseline spectrum curve of a healthy structure and the spectrum curves of non-healthy structures under different degrees of bolt looseness through chirp Fourier transform (CFT). Subsequently, the spectrum ratio curves between healthy and non-healthy structures are calculated for different degrees of bolt loosening, and then the Summation Coefficient of Absolute Spectrum Ratio (SCASR) is defined to indicate the looseness.
View Article and Find Full Text PDFFeasible band boundaries computation in bilinear matrix decomposition using essential data.
Anal Chim Acta
January 2025
, Institute for Advanced Studies in Basic Sciences, 45195-1159, Zanjan, Iran. Electronic address:
Background: Multivariate curve resolution methods are usually confronted with non-unique pure component factors. This rotational ambiguity can be represented by ranges of feasible profiles, which are equally compatible with the imposed constraints. Sensor-wise N-BANDS is an effective algorithm for the calculation of the bounds of feasible profiles in the presence of noise, but suffers from high computational cost.
View Article and Find Full Text PDFStructural Adaptations of the Anterolateral Complex of the Knee and Associated Tissues: A Comparative Anatomical and Histological Analysis of Knees With and Without an Anterolateral Ligament.
J Knee Surg
January 2025
Department of Primary Care, Kansas City University College of Medicine, Kansas City, Missouri.
The anterolateral ligament (ALL) is considered a secondary stabilizer of internal rotation and, due to proximity to the lateral collateral ligament (LCL), it may contribute to anterolateral rotatory stability. This study characterized the anatomy of the ALL and associated tissues of the anterolateral complex (ALC) to determine if structural and histological compensatory adaptations exist in patients without an ALL. Forty-nine cadaveric knees were dissected from distal-to-proximal using established landmarks with the aid of internal rotation stress to localize the ALL (if present), LCL, iliotibial band (ITB), and anterolateral capsule.
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