Search Results - Lei LIU

The world of wireless communication is undergoing an exhilarating transformation [...]

A new lift enhancement scheme is designed for the cruise flight process of a tail-sitter UAV (Unmanned Aerial Vehicle), proposing a fusion configuration with embedded grid channels on the duct wall. The low pressure zone at the lip of the duct is induced to expand through the grid channels, forming...

Full description

Objective: To establish and validate a deep learning model that simultaneously segments pediatric burn wounds and grades burn depth under complex, real-world imaging conditions. Methods: We retrospectively collected 4785 smartphone or camera photographs from hospitalized children over 5 years and an...

Full description

The simplex strategies of fertilizer management and problems caused by simultaneous precipitation and high-temperature (SPH) climate were the main factors that led to yield loss and quality decline in the continuous cropping of tea chrysanthemum (<i>Dendranthema morifolium</i> ‘Jinsi Hua...

Full description

Adolescent mental health challenges constitute an important global public health issue. Despite the rapid development of AI technology in various fields, its adoption in rural mental health remains constrained. The purpose of this study is to examine the factors that influence the adoption of AI cha...

Full description

Fusarium wilt, caused by <i>Fusarium solani</i>, is a devastating disease that leads to significant losses in ginger (<i>Zingiber officinale</i>) crops worldwide. To explore the molecular mechanisms underlying <i>F. solani</i> infection and disease progression, we...

Full description

Chinese traditional medicine (CTM) has a long-standing history and plays a crucial role in complementary and alternative medicine. However, ensuring the quality and safety of CTM products has been a persistent concern due to the lack of effective quality control methods. This study addresses this co...

Full description

Growth traits are among the most important economic traits in pigs and are regulated by polygenes with complex regulatory mechanisms. As the major indicators of growth performance, the backfat thickness (BFT), loin eye area (LEA), and days to 100 kg (D100) traits are commonly used to the genetics im...

Full description

The present study was conducted to investigate the effects of dietary addition of tributyrin on growth performance, antioxidant and intestinal health in weaned rabbits. Weaned Hyla rabbits (35 d, <i>n</i> = 1280) of similar body weight were randomly divided into four groups (eight replic...

Full description

The mechanical properties of unidirectional carbon fiber reinforced polymer (UD-CFRP), such as its elastic modulus and ultimate strength, are crucial and fundamental indicators. Examining these properties from a microscopic perspective through numerical simulations can provide valuable insights for...

Full description

Introduction: Reinfection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been occurring more frequently. Healthcare workers are among the most at-risk groups due to their direct exposure to SARS-CoV-2 while providing medical care. We aimed to understand the potential factors...

Full description

With the rapid development of video encoding technology in the field of computer vision, the demand for tasks such as video frame reconstruction, denoising, and super-resolution has been continuously increasing. However, traditional video encoding methods typically focus on extracting spatial or tem...

Full description

Alginate oligosaccharides (AOS), belonging to the class of functional marine oligosaccharides, are low-molecular polymers linked by β-1,4-mannuronic acid (M) and α-1,4-guluronic acid (G), which could be classically obtained by enzymatic hydrolysis of alginate. With low viscosity and good water solub...

Full description

Objective To investigate the regulatory mechanism of miR-204 on proliferation, apoptosis and autophagy of cervical cancer cells.Methods The expression of miR-204 in cervical cancer tissues and cell lines was detected by real-time PCR. Cell viability and apoptosis were detected by MTT and flow cytome...

Full description

Objective Compared with endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA), this study aims to explore the diagnostic advantages of endobronchial ultrasound-guided transbronchial node biopsy (EBUS-TBNB) in the diagnosis of mediastinal lymph node metastasis, lymphadenitis, s...

Full description

African swine fever virus (ASFV) causes global swine outbreaks, but its cellular pathogenesis is poorly understood. Using single-cell RNA data from ASFV-infected pig spleens across four timepoints, we identified macrophages as the primary viral reservoir, with infection driving lymphoid depletion an...

Full description

Inverse synthetic aperture radar (ISAR) is extensively used in space situational awareness, with its imaging resolution improving as signal bandwidth increases. However, high-order migration through range cell (MTRC) and phase errors due to target rotation can degrade image focus. Traditional algori...

Full description

<h4>Objective</h4>The TP53BP1 gene may be involved in the development of cancer through disrupting DNA repair. However, studies investigating the relationship between TP53BP1 Glu353Asp (rs560191) polymorphism and cancer yielded contradictory and inconclusive outcomes. In order to realize...

Full description

This study aims to understand the relationship between psychological resilience and social support in family resilience and demoralization syndrome (DS) in decompensated cirrhotic patients and verify whether there is a parallel mediation effect. A cross-sectional design was adopted, and a questionna...

Full description

<h4>Objectives</h4>To compare clinical outcomes of concurrent chemoradiotherapy (CCRT) with those of radiotherapy alone for stage II nasopharyngeal carcinoma in the intensity-modulated radiotherapy (IMRT) era.<h4>Materials and methods</h4>We comprehensively searched PubMed, E...

Full description