Accuracy of static-guided endodontics for access cavity preparation with pulp canal obliteration: a randomized controlled clinical trial by Jiayang Li, Yufeng Hu, Zhifei Ma, Hui Liu, Liqun Cao, Xiaoling Wei

“…The static-guided group showed high accuracy, with average deviations of 0.14 ± 0.08 mm at the coronal entry point, 0.35 ± 0.16 mm at the apical point, and an angular deviation of 1.75 ± 0.30 °. …”
Get full text

Feasibility of augmented reality using dental arch-based registration applied to navigation in mandibular distraction osteogenesis: a phantom experiment by Shi-xi He, Cheng Ma, Zong-Yi Yuan, Tian-feng Xu, Qing-tiao Xie, Ya-xi Wang, Xuan-ping Huang

“…The average displacement error was 1.53 ± 0.54 mm in the AR group and 3.56 ± 1.89 mm in the free-hand group, with P < 0.0001, indicating a 57% improvement in accuracy. …”
Get full text

Spatiotemporal Moiré lattice light fields by Yu An-Zhuo, Zhang Wang, Chen Wei, Liu Yuan, Ma Chao-Qun, Yang Jia-Chen, Lu Yan-Qing

“…Using a 4f pulse shaper and an x − ω modulation strategy, we generate tunable spatiotemporal Moiré patterns with varying sublattice sizes and confirm their diffraction-free behavior in time-averaged intensities. Additionally, we demonstrate spatiotemporal Moiré lattices carrying transverse orbital angular momentum. …”
Get full text

Investigation of Mechanical and Corrosion Behavior of ECAP Processed AA7075 Through ML, ANNW, RSM, and SA Methodologies by Majed Alinizzi, W. H. El‐Garaihy, A. I. Alateyah, Samar El‐Sanabary, Fahad Nasser Alsunaydih, Mansour Alturki, H. Abd El‐Hafez, Mohamed S. El‐Asfoury, Eman M. Zayed, Hanan Kouta

“…Significant grain refinement was achieved, with the average grain size reduced from 16.3 to 1.68 μm for route Bc after four passes at 90°. …”
Get full text

A study on the repeatability of radiomics parameters under repeated CT scans by Yi-Zhi Zhao, Lin Wu, Zhi-Gang Min, Chao-Ying Qian, Ting Chen, Yin-Bo Feng

“…Results The parameters with ICC greater than 0.8 were selected, and the average values of the two measurements were taken. …”
Get full text

Dual‐Band Metasurface‐Based Structured Light Generations for Futuristic Communication Applications by Muhammad Danial Shafqat, Yujin Park, Nasir Mahmood, Joohoon Kim, Dohyun Kang, Rehan Hafiz, Dongliang Gao, Humberto Cabrera, Muhammad Zubair, Muhammad Qasim Mehmood, Lei Gao, Junsuk Rho

“…Structured beams carrying orbital angular momentum carry significant potential for various applications, including optical trapping, manipulations, communications, microscopy, and so on. …”
Get full text

On the Stellar Disk Vertical Scale Height of Edge-on Galaxies from S4G by Notahiana Ranaivoharimina, T. Randriamampandry, Jing Wang, K. Menéndez-Delmestre, T. S. Gonçalves

“…Disk galaxies viewed as thin planar structures resulting from the conservation of angular momentum of an initially rotating pregalactic cloud allow merely a first-order model of galaxy formation, but the presence of vertically extended structures has allowed us to gather a deeper understanding of the richness in astrophysical processes (e.g., minor mergers, secular evolution) that ultimately results in the observed diversity in disk galaxies and their vertical extensions. …”
Get full text

Helium Pickup Ion Velocity Distributions Observed in Interplanetary Coronal Mass Ejection Structures by Keiichi Ogasawara, Maher A. Dayeh, Robert W. Ebert, Berndt Klecker, Harald Kucharek

“…These VDFs were studied using observations from the PLasma And SupraThermal Ion Composition instrument on board the Solar Terrestrial Relations Observatory with 10 minutes cadence and full energy and angular resolutions. The analysis focuses on pitch angle distributions and their average/deviation to evaluate heating/cooling, acceleration/deceleration, and pitch angle diffusion. …”
Get full text

Performance degradation assessment method for linear motor feed systems driven by digital twins by Zeqing Yang, Yiding Yao, Wei Cui, Yingshu Chen, Beibei Liu, Yi Jin, Yanrui Zhang, Hongwei Zhao, Guofeng Zhang, Wei Yi, Zonghua Zhang

“…A current simulation dataset for both normal and demagnetization degradation conditions is constructed.In response to the challenges posed by the temporal dependence of operational data and the difficulty of identifying degradation states, and leveraging the superior data transformation capabilities of Gramian Angular Field (GAF), which effectively preserves temporal information, this study proposes a performance degradation assessment model combining GAF encoding with the AlexNet convolutional neural network. …”
Get full text

Research on step-by-step visual servo control system of anchor drilling robot by Mengyu LEI, Xuhui ZHANG, Wenjuan YANG, Jicheng WAN, Yuyang DU, Henghan YU, Chenhui TIAN

“…Secondly, through displacement and angular sensors deployed on manipulator joints, this study constructed an enhanced kinematic model using the modified Denavit-Hartenberg (MDH) method, enabling accurate spatial position resolution of the end-effector and determination of its initial and target positions. …”
Get full text

Geometric, kinematic and dynamic parameters of the disc ripper by V. A. Nikolayev

“…In particular, the method of determining the weighted average circumferental velocity of the disk, the angular velocity of the disk and the circumferental velocity of the point on the edge of the disk blade is considered. …”
Get full text

Accuracy of robotic computer-assisted implant surgery in clinical studies: a systematic review and meta-analysis by Zixin Luo, An Li, Alexey Unkovskiy, Jiang Li, Florian Beuer, Zhe Wu, Ping Li

“…The meta-analysis of accuracy showed that the average global platform deviation, global apex deviation, and angular deviation were 0.69 mm (95% CI: 0.61‒0.77, I 2 = 94%), 0.72 mm (95% CI: 0.64‒0.79, I 2 = 93%), and 1.62° (95% CI: 1.34°‒1.89°, I 2 = 96%), respectively. …”
Get full text

AI-Enabled Condition Monitoring Framework for Autonomous Pavement-Sweeping Robots by Sathian Pookkuttath, Aung Kyaw Zin, Akhil Jayadeep, M. A. Viraj J. Muthugala, Mohan Rajesh Elara

“…The dataset includes angular velocity data from an IMU, vibration acceleration data from three vibration sensors, and current consumption data from three current sensors attached to the key motors. …”
Get full text

Design of Optimization Method for Light Energy Utilization in Fiber Optic Day-lighting System by WANG Yifang, JIA Xiaoyu, YU Chunrong

“…Addressing the issue of coupling efficiency from space light to optical fibers, a dual-lens structure and fiber-optic spherical end-face encapsulation have been designed to enhance the effective numerical aperture of the optical fiber, significantly expanding the angular range of incident light.【Results】The influence of radius modulation ratio and fiber spherical radius on coupling efficiency is simulated and analyzed. …”
Get full text

Development and validation of collaborative robot-assisted cutting method for iliac crest flap raising: Randomized crossover trial by Paulina Becker, Yao Li, Sergey Drobinsky, Jan Egger, Kunpeng Xie, Ashkan Rashad, Klaus Radermacher, Rainer Röhrig, Matías de la Fuente, Frank Hölzle, Behrus Puladi

“…The mean angular deviation for the robot-assisted cutting method was 1.9 ± 1.1° (mean ± sd) and for the 3D-printed cutting guide it was 4.7 ± 2.9° (p < 0.001). …”
Get full text

Global Simulations of Gravitational Instability in Protostellar Disks with Full Radiation Transport. II. Locality of Gravitoturbulence, Clumpy Spirals, and Implications for Observa... by Wenrui Xu, Yan-Fei Jiang, Matthew W. Kunz, James M. Stone

“…Spiral perturbations in a gravitationally unstable accretion disk regulate disk evolution through angular momentum transport and heating and provide an observational signature of gravitational instability (GI). …”
Get full text

N-body Simulations of the Self-confinement of Viscous Self-gravitating Narrow Eccentric Planetary Ringlets by Joseph M. Hahn, Douglas P. Hamilton, Thomas Rimlinger, Yuxi(Lucy) Lu

“…This causes the ringlet’s nonlinearity parameter q to grow over time until it exceeds the $q\simeq \sqrt{3}/2$ threshold where the ringlet’s orbit-averaged angular momentum flux due to viscosity + self-gravity is zero. …”
Get full text

Application of Isokinetic Dynamometry Data in Predicting Gait Deviation Index Using Machine Learning in Stroke Patients: A Cross-Sectional Study by Xiaolei Lu, Chenye Qiao, Hujun Wang, Yingqi Li, Jingxuan Wang, Congxiao Wang, Yingpeng Wang, Shuyan Qie

“…The sensor data included measurements such as peak torque, peak torque/body weight, maximum work of repeated actions, coefficient of variation, average power, total work, acceleration time, deceleration time, range of motion, and average peak torque for both flexor and extensor muscles on the affected side at three angular velocities (60°/s, 90°/s, and 120°/s) using the Biodex System 4 Pro. …”
Get full text

Pre-sleep casein ingestion with probiotic strains improves anaerobic power and lower-body-specific strength and power performance in soccer players by Reza Sadeghi, Mohammad Hemmatinafar, Fereshteh Eftekhari, Babak Imanian, Negar Koureshfard

“…Additionally, isokinetic strength parameters, including absolute peak torque (APT) and average rate of force development (AvRFD), were measured for the knee extensors (ext) and flexors (flx) muscles (concentric phase at angular velocities of 60°/s and 180°/s, using the dominant leg). …”
Get full text

Formation and evolution of the Yuncheng Salt Lake and sources of the saline ions by KOU Linlin, LI Zhenhong, XIA Caixiang, WEI Lijie, DONG Xiaopeng, WANG Sen, CUI Jiawei, HUANG Ting, NAN Debin

“…Results  At the boundary between the Paleogene and Neogene, there was a widespread angular unconformity across the central and eastern parts of the North China Craton. …”
Get full text