Search Results - Ji Zhang
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Lightweight Object Detector Based on Images Captured Using Unmanned Aerial Vehicle
Published 2025-07-01Get full textThis study aims to investigate the flight endurance problems that unmanned aerial vehicles (UAVs) face when carrying out filming tasks, the relatively limited computational resources of xmini platforms carried by UAVs, and the need for fast decision making and responses when processing image data in...
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A Young Crustal Component in the Caroline Mantle Plume (Western Pacific Ocean)
Published 2025-07-01Get full textAbstract The geochemical variability in oceanic island basalts is linked to Earth's deep mantle heterogeneity, with distinct mantle components whose origin is under debate. In this study, we found basalts from the Caroline Seamount Chain exhibit elevated δ57Fe signatures. The association of hig...
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A two-layer approach to analyzing imbalance in signed supply chain networks using probability-based triad census
Published 2025-09-01Get full textSigned supply chain networks are essential for representing relationships between entities in commercial activities. Imbalances in these relationships can lead to significant consequences, including financial losses and reputational damage. This paper presents a two-layer analytical framework design...
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Design Optimization of Key Structural Parameters for Tension Measuring Rollers in Temper Mill Units
Published 2025-05-01Get full textDuring the temper rolling process, scratch defects on the lower surface of the steel strip caused by the tension measuring roller are a critical issue that affects the resulting product quality. Previous research has been limited to analyzing the mechanism and influencing factors of scratch generati...
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Shear wave velocity prediction using Long Short-Term Memory Network with generative adversarial mechanism.
Published 2025-01-01Get full textShear wave velocity (Vs) serves as a crucial petrophysical parameter for subsurface characterization, yet its acquisition remains challenging. While long short-term memory (LSTM) networks have emerged as the predominant solution for Vs prediction by synthesizing contextual relationships among conven...
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Shear wave velocity prediction using Long Short-Term Memory Network with generative adversarial mechanism
Published 2025-01-01 Get full text
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Transcriptome Analysis and CFEM Gene Overexpression in <i>Metschnikowia bicuspidata</i> Under Hemocyte and Iron Ion Stress
Published 2025-07-01Get full textThe “milky disease” in Chinese mitten crabs (<i>Eriocheir sinensis</i>), caused by <i>Metschnikowia bicuspidata</i>, poses significant threats to aquaculture, though its pathogenic mechanisms remain poorly understood. This study employs transcriptomic sequencing to analyze ge...
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Nymphaea “Eldorado” flower extract targets serpine 1 to attenuate inflammatory and antioxidant crosstalk in zebrafish
Published 2025-07-01Get full textChronic inflammation and oxidative stress are pivotal drivers of pathological conditions, necessitating safer plant-derived therapeutic alternatives. This study elucidates the anti-inflammatory and antioxidant mechanisms of Nymphaea “Eldorado” flower water extract (NEWE) in a zebrafish (Danio rerio)...
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Mode-Hopping-Free Single-Longitudinal-Mode Actively Q-Switched Ring Cavity Fiber Laser With an Injection Seeding Technique
Published 2017-01-01Get full textWith a fiber pigtailed electro-optic modulator as the active Q-switch, mode-hopping-free single-longitudinal-mode pulses are generated by a ring cavity fiber laser based on the injection seeding technique. The experimental results show that the single-longitudinal-mode oscillating properties of the...
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Predicting the efficacy of chemoradiotherapy in advanced nasopharyngeal carcinoma patients: an MRI radiomics and machine learning approach
Published 2025-06-01Get full textBackgroundMachine learning methods play an important role in predicting the efficacy of chemoradiotherapy in patients with nasopharyngeal carcinoma (NPC). This study explored the predictive value of machine learning models based on multimodal magnetic resonance imaging (MRI) radiomic features for th...
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Phosphor-Free Three-Dimensional Hybrid White LED With High Color-Rendering Index
Published 2019-01-01Get full textIn this study, we demonstrate the phosphor-free hybrid white LED devices with the combination of the truncated-hexagonal-pyramid (THP) structures and quantum dots (QDs) (THPQD). In the THP structures, it is noted that the broad spectrum can be obtained from different microfacets. Moreover, the THP s...
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The Effect of Sapphire Substrates on Omni-Directional Reflector Design for Flip-Chip Near-Ultraviolet Light-Emitting Diodes
Published 2019-01-01Get full textIn this paper, we investigate the effect of omni-directional reflectors (ODRs) on the light extraction efficiency (LEE) for flip-chip near-ultraviolet light-emitting diodes (LEDs) on patterned (PSS) and flat sapphire substrate (FSS) using three-dimensional finite-difference time-domain method. Diffe...
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An integrated modelling framework for evaluating the synergistic impacts of low-carbon transitions and air pollution controls on air quality and health in Guangzhou, China
Published 2025-06-01Get full textClimate policies that target carbon emissions can induce co-benefits for air quality. Previous urban studies have typically focused on either carbon reduction or air pollution control independently, but few have examined their combined effects on reducing carbon emissions and consequential environme...
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TaSnRK2.4 is a vital regulator in control of thousand-kernel weight and response to abiotic stress in wheat
Published 2021-01-01Get full textSucrose non-fermenting 1-related protein kinase 2 (SnRK2) is a plant-specific serine/threonine kinase involved in response to adverse environmental stimuli. Previous studies showed that TaSnRK2.4 was involved in response to abiotic stresses and conferred enhanced tolerance to multiple stresses in Ar...
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Sex differences in onset and prevalence of 108 diseases and multimorbidity across lifespan in Yichang, China: quantitative analysis of real-world linked electronic health records
Published 2025-07-01Get full textObjective The magnitude and persistence of diseases and multimorbidity between females and males are different. This study comprehensively quantified sex differences in the onset and progression of 108 major physical and mental diseases to multimorbidity through adulthood in Chinese population.Desig...
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Epidemiological Study of Childhood Idiopathic Epilepsy from 1990 to 2021 at Global, Regional, and National Scales
Published 2025-08-01Get full textObjective: To address the long-term impact of childhood idiopathic epilepsy on health and families, and to provide epidemiological evidence for developing effective prevention and treatment strategies, this study aimed to explore the trends in incidence, deaths, and disability-adjusted life years (D...
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Glucose-activated JMJD1A drives visceral adipogenesis via α-ketoglutarate-dependent chromatin remodeling
Published 2025-08-01Get full textSummary: Adipose tissue remodels via hypertrophy or hyperplasia in response to nutrient status, but the mechanisms governing these expansion modes remain unclear. Here, we identify a nutrient-sensitive epigenetic circuit linking glucose metabolism to chromatin remodeling during adipogenesis. Upon gl...
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