1.122 hasil untuk "Ang Li"
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Artikel Jurnal
Anomaly detection of hyperspectral images based on improved isolation forest algorithm
Abstract Hyperspectral images (HIs) include roughly continuous spectral and spatial data pertaining to land cover, enhancing the ability to identify land cover. Therefore, HIs have significant application value in fields such as remote sensing and environmental monitoring. At present, HI anomaly…
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Research on the Impact of Scheduling Efficiency on Production Costs in Pharmaceutical Intelligent Manufacturing Workshops Based on Improved Particle Swarm Optimization Algorithm
Abstract The intelligent transformation of the pharmaceutical industry is of great significance for improving production efficiency and reducing costs, and workshop scheduling optimization is a key approach to achieving this goal. This study proposes a pharmaceutical intelligent manufacturing…
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Predicting negative attitudes towards suicide in social media texts: prediction model development and validation study
BackgroundImplementing machine learning prediction of negative attitudes towards suicide may improve health outcomes. However, in previous studies, varied forms of negative attitudes were not adequately considered, and developed models lacked rigorous external validation. By analyzing a large-scale…
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Artikel Jurnal Teks lengkap
2,7-Dimethyl-2,7-diazoniapyrene bis(hexafluorophosphate)
In the title compound, C(16)H(14)N(2) (2+)·2PF(6) (−), the 2,7-dimethyl-2,7-diazapyrenium (DM-diaz) cation lies on a crystallographic twofold rotation axes. The diaz groups are nearly coplanar, with a maximum deviation of 0.008 (3) Å. In the crystal, molecules are linked into a two-dimensional…
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Artikel Jurnal Teks lengkap
Digital Phenotyping of Sensation Seeking: A Machine Learning Approach Using Gait Analysis
Sensation seeking represents a significant risk factor for various mental health disorders and maladaptive behaviors, highlighting the need for objective assessment methods that circumvent the limitations of traditional self-report measures. This study introduces an innovative digital phenotyping…
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Carbon-based quantum dots enhance platelets aggregation through migrasomes biogenesis
Abstract While previous research has primarily focused on nanoparticles larger than 20 nm for promoting migrasome formation, this study shifts the emphasis to nanoparticles smaller than 10 nm. Our findings reveal the significant impact of these sub-10 nm carbon-based quantum dots, specifically…
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Genomic Differentiation and Demographic Histories of Two Closely Related Salicaceae Species
Populus alba (P. alba) and Populus davidiana (P. davidiana) are important plant species for answering a variety of issues on species evolution due to their wide distribution and ability to adapt to a variety of environments and climates. Even though P. alba and P. davidiana belong to ecologically…
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Mind the gap: Exploring differences in suicide literacy between cybersuicide and offline suicide
IntroductionThe highly public nature of cybersuicide contradicts long-held beliefs of offline suicide, which may cause differences in the way people perceive and respond to both of them. However, knowledge of whether and how suicide literacy differs between cybersuicide and offline suicide is…
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Artikel Jurnal Teks lengkap
Demographic Groups’ Differences in Restorative Perception of Urban Public Spaces in COVID-19
The health-promoting functions of one’s spatial environment have been widely recognized. Facing the huge loss of mental resources caused by the COVID-19 pandemic, visiting and perception of urban public spaces with restorative potential should be encouraged. However perceived, restorativeness…
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Artikel Jurnal
Identify the significant landscape characteristics for the perceived restorativeness of 8 perceived sensory dimensions in urban green space
The restorative benefits of urban green spaces (UGSs) have been supported by many studies. Eight perceived sensory dimensions (PSDs) are regarded as a tool to classify green spaces based on perception. However, little attention has been given to the effects of landscape characteristics (LCs) on the…
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Artikel Jurnal
The complete chloroplast genome sequence of Populus tremuloides (Salicaceae)
The complete chloroplast genome sequence of Populus tremuloides was characterized from Illumina pair-end sequencing. The chloroplast genome of P. tremuloides was 155,816 bp in length, containing a large single-copy region (LSC) of 85,804 bp, a small single-copy region (SSC) of 16,489 bp, and two…
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Extraction of Coupling Coefficients of Directional Couplers Using Resonance Splitting
We theoretically and experimentally present a novel method to accurately extract coupling coefficients of directional couplers using a single circuit. It utilizes the phenomenon of resonance splitting induced by mode coupling in a ring resonator, where the splitting distance is directly…
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Artikel Jurnal
On-chip spectrometers using stratified waveguide filters
Compact spectrometers that are simple and scalable in design can enable many applications. Here the authors demonstrate a silicon photonics based single-shot spectrometer that uses a group of waveguide frequency filters to construct the spectrum.
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Artikel Jurnal
Lightweight design of a crane frame under stress and stiffness constraints using super-element technique
Crane frame is one of the core components of the crane. Important performance indexes for the design of a frame include stiffness, manufacturability, and durability. Simultaneously, lightweight of the frame is also critical for decreasing the consumption of manufacturing and transportation. Crane…
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Artikel Jurnal Teks lengkap
VISIOCPR: Monocular Vision-Based CPR Training System with Human-Computer Collaborative Feedback
High-quality cardiopulmonary resuscitation (CPR) aims at saving lives in time-critical emergencies, which requires correct compression rate, depth, and hand placement. However, due to the high cost and environmental constraints of sensor-equipped manikins or dedicated hardware, it is unrealistic to…
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Artikel Jurnal
A Microphysical Probe of Neutron Star Interiors: Constraining the Equation of State with Glitch Dynamics
Glitches in neutron stars originate from the sudden transfer of angular momentum between superfluid components and the observable crust. By modeling this glitch dynamics—including vortex motion, mutual friction, and angular momentum exchange—one may hope to probe the dense matter equation of state…
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Delayed Thermal Relaxation of Rapid Cooling Neutron Stars: Nucleon Superfluidity and Nonnucleon Particles
The thermal relaxation time of neutron stars, typically defined by a sudden drop in surface temperature, is usually on the order of 10–100 yr. In this study, we investigate neutron star thermal relaxation by incorporating nucleon superfluidity and nonnucleonic particles, specifically considering…
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Numerical modeling on off-axial fatigue behavior and failure characterization of 3D braided composites
Fatigue is an important factor leading to the structural failure of 3D braided composites during the service. In this paper, a meso-scale finite element analysis (FEA) model based on continuum damage mechanics (CDM) is developed to study the fatigue damage behavior and predict the fatigue life of…
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