Elementary-school students enrolled in a trauma-informed program participated in a prepost longitudinal study of resilience. The study assesses increases in various components of resilience, the effects of the afterschool program on resilience, and the relationship between resilience and school performance. A shortened version of a reliable resilience survey was developed from Madsen Thompson's Trauma Resilience Scale and administered at students' entry and exit from 3 yearly sessions. The high response rate provided a sample of 103 students, 37 of whom were new students with no ceiling effects. Statistical analysis demonstrated that both contextual and individual resilience increased significantly, with protective components impacting one another. Regression analyses found that the afterschool program supports significantly affected individual resilience increases, and high levels of individual resilience led to increases in school performance. The results suggest that trauma-informed contextual supports may be useful in increasing young students' well-being and closing gaps in academic performance.
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http://dx.doi.org/10.1002/jcop.23144 | DOI Listing |
Sci Rep
December 2024
School of architecture, Ocean and energy power engineering, Wuhan University of Technology, Wuhan, 430070, China.
During maritime operations, extreme events such as explosions, grounding, and seal failures can cause water ingress into lubricant compartments, forming oil-water emulsions that significantly affect the lubrication performance of ship stern bearings. Existing studies mainly focus on low water content, with limited exploration of the impact of high water content on lubrication performance. To address this gap, viscosity measurements of oil-water mixtures were conducted, and an emulsification viscosity equation applicable to varying water contents was derived.
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December 2024
School of Mechanical and Electrical Engineering, North University of China, Taiyuan, 030051, Shanxi, China.
Due to the sensitivity of the shaped charge jet to standoff and the complexity of its impact under lateral disturbances, this study aims to investigate the dynamic impact evolution of the jet influenced by standoff and lateral disturbances. A finite element model for the dynamic impact of shaped charge jets was established. Dynamic impact experiments were designed and conducted to validate the effectiveness of the numerical simulations.
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December 2024
Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden.
This study presents the design of a high-gain 16 × 16-slot antenna array with a low sidelobe level (SLL) using a tapered ridge gap waveguide feeding network for Ka-band applications. The proposed antenna element includes four cavity-backed slot antennas. A tapered feeding network is designed and utilized for unequal feeding of the radiating elements.
View Article and Find Full Text PDFFatigue cracking of rib-to-deck conventional single-sided welded joints is a prevalent issue in orthotropic steel decks (OSDs), significantly impacting their structural integrity and durability. Rib-to-deck innovative double-sided welded joints have the potential to enhance the fatigue resistance of OSD. However, Welding Residual Stresses (WRS) significantly influence the fatigue life of these joints, mandating its consideration in fatigue assessments.
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December 2024
School of Automation Science and Electrical Engineering, Beihang University, Beijing, 100191, China.
A novel adaptive model-based motion control method for multi-UAV communication relay is proposed, which aims at improving the networks connectivity and the communications performance among a fleet of ground unmanned vehicles. The method addresses the challenge of relay UAVs motion control through joint consideration with unknown multi-user mobility, environmental effects on channel characteristics, unavailable angle-of-arrival data of received signals, and coordination among multiple UAVs. The method consists of two parts: (1) Network connectivity is constructed and communication performance index is defined using the minimum spanning tree in graph theory, which considers both the communication link between ground node and UAV, and the communication link between ground nodes.
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