檢索結果 - Ling Liu

This study adopted the event study method to explore the effect of the Hualien earthquake on the performance of tourism stocks in Taiwan. This earthquake occurred on 3 April 2024 and affected Hualien and Taitung. The present study examined the short-term (10 trading days), medium-term (12 weeks), an...

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Three new racemic bianthrones, including two pairs of (±)-penithrones A (1) and B (2), and a chlorinated derivative (±)-penithrone C (3), along with their biogenetic precursors (4–6) were discovered from the culture extract of the mangrove-derived fungus Penicillium hispanicum LA032 using HSQC-based...

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It was generally found that the low pressure cylinder blades of steam turbines had pitting corrosion during the overhaul of super-critical units. In order to analyze the causes of low pressure cylinder blades pitting corrosion, the corrosion products were analyzed by scanning electron microscope and...

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<h4>Background</h4>In East Asia, numerous reports describe the utilization of traditional Chinese herbal decoctions to treat gout. However, the reported clinical effects vary.<h4>Objectives</h4>In this study, we reviewed and analyzed a large number of randomized controlled cl...

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AimNeonatal hypoxic-ischemic encephalopathy (HIE) remains a significant cause of neonatal morbidity and mortality worldwide, necessitating the exploration of effective therapeutic interventions. Current treatment strategies primarily involve therapeutic hypothermia (TH); however, its efficacy remain...

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Green soybean (<i>Glycine max</i>), commonly known as vegetable soybean or edamame, is harvested at reproductive stages 6 to 7 of pod development. At this stage, the seeds are fully grown but still green and not yet mature. Green soybean is a nutritious food high in protein and micronutr...

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Aiming at the existing problems in practical teaching in higher education, we construct an intelligent teaching recommendation model for a higher education practical discussion course based on naive Bayes machine learning and an improved <i>k</i>-NN data mining algorithm. Firstly, we est...

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Polymethacrylimide (PMI) foam is extensively utilized in lightweight sandwich structures yet lacks a reliable global yield surface for design guidance. This study presents an integrated experimental-computational framework for PMI foam yield surface construction. Cell-wall properties were precisely...

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In this paper, for the first time, we propose a nonparametric histogram estimation (NPHE) scheme for the nonuniform quantization in intensity modulated direct detection with filter bank multicarrier signal to improve system performance. By combining the NPHE scheme and the common nonlinear programmi...

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Objective: This study aimed to compare the quality of reconstructed images by deep learning image reconstruction (DLIR) and adaptive statistical iterative reconstruction-V (ASIR-V) techniques at different scan doses using a phantom with liver density. Methods: The Gammex computed tomography (CT) pha...

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For the first time, we propose and experimentally verify a novel low-complexity orthogonal least square (OLS) based radial basis function (RBF) neural network (NN) nonlinear equalizer for high-speed coherent optical orthogonal frequency division multiplexing (CO-OFDM) system. Its ability to compensa...

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Background and objectiveLung-RADS ≥4A nodules require urgent intervention. Low-dose CT (LDCT), the primary screening tool, involves cumulative radiation exposure—critical for patients with serial scans. Oxygen-enhanced zero-echo time MRI (OE-ZTE-MRI) shows potential for lung nodule evaluation. Howev...

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Accurate prediction of transient nitrogen oxides (NOx) emissions from diesel vehicles is essential for precise emission inventories and effective pollution control but challenged by data nonlinearity and dynamic operating conditions. This study develops the Wavelet Decomposition (WD)-Parallel Spatio...

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In this paper, the performance of polar code in high-speed coherent optical orthogonal frequency division multiplexing (CO-OFDM) system with nonlinear and linear impairments is comprehensively investigated for the first time. Results show that soft decision-based polar code is slightly affected by n...

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Fish olfaction is one of the most important senses for sensing information about the surrounding environment. Pollutants in aquatic ecosystems can induce olfactory toxicity and behavioral disturbances in fish. This potentially compromises their survival and affects population stability. In this revi...

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Fungi have been recognised as a prolific source of structurally unique secondary metabolites with promising pharmacological properties. This review comprehensively summarises the chemical architectures, bioactivities, and research strategies for new fungal-derived natural products, focusing on repre...

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ObjectiveTo evaluate gender-specific variations in cardiovascular disease (CVD) risk stratification and its modifiable determinants among individuals concurrently diagnosed with type 2 diabetes mellitus (T2DM) and subclinical hypothyroidism (SCH).MethodsA cross-sectional observational study was cond...

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Frequency-quadrupled rectangular optical frequency comb (OFC) generation with Nyquist temporal waveforms using a dual-parallel Mach&#x2013;Zehnder modulator (DP-MZM) and a remodulation structure is proposed. The remodulation structure is formed by a coupler, a photodiode, and an intensity modula...

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BackgroundRepetitive elements account for a large proportion of the human genome and undergo alterations during early tumorigenesis. However, the exclusive fragmentation pattern of DNA-derived cell-free repetitive elements (cfREs) remains unclear.MethodsThis study enrolled 32 healthy volunteers and...

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