Dejun Liu
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View article: Comprehensive Analysis and Exclusion Hypothesis of $α$-Approximation Method for Discretizing Analog Systems
Comprehensive Analysis and Exclusion Hypothesis of $α$-Approximation Method for Discretizing Analog Systems Open
A popular method for designing digital models is transforming the transfer function of the corresponding analog models from continuous domain (s-domain) into discrete domain (z-domain) using the s-to-z transformation. The alpha-approximati…
View article: Analysis of Teaching Quality Control System in Universities
Analysis of Teaching Quality Control System in Universities Open
In the context of increasing globalization and the rapid advancement of educational technologies, universities worldwide are prioritizing the enhancement of teaching quality. The teaching quality control system in universities is a crucial…
View article: Tracing the evolution: the rise of <i>Salmonella</i> Thompson co-resistant to clinically important antibiotics in China, 1997–2020
Tracing the evolution: the rise of <i>Salmonella</i> Thompson co-resistant to clinically important antibiotics in China, 1997–2020 Open
As clinical Salmonella enterica serovar Thompson ( S . Thompson) emerged among the top ten prevalent serovars in China, understanding the distribution and origin of its multidrug-resistant (MDR) strains becomes imperative. This study emplo…
View article: Remote sensing image dehazing using a wavelet-based generative adversarial networks
Remote sensing image dehazing using a wavelet-based generative adversarial networks Open
Remote sensing images often suffer from the degradation effects of atmospheric haze, which can significantly impair the quality and utility of the acquired data. A novel dehazing method leveraging generative adversarial networks is propose…
View article: Exploration of Practical Course Teaching Reform in the Intelligent Era
Exploration of Practical Course Teaching Reform in the Intelligent Era Open
With the advent of the intelligent era, the rapid development of technology presents new challenges and opportunities for practical courses. This paper analyzes the characteristics and needs of practical courses in the intelligent era, exp…
View article: High prevalence and plasmidome diversity of optrA-positive enterococci in a Shenzhen community, China
High prevalence and plasmidome diversity of optrA-positive enterococci in a Shenzhen community, China Open
Background The emergence of optrA , which can confer resistance to phenicols and oxazolidinones in Enterococcus spp., poses a growing public health threat. Methods 102 optrA -positive enterococci (OPEs) including various species were isola…
View article: Deciphering the Antibacterial Mechanisms of 5-Fluorouracil in Escherichia coli through Biochemical and Transcriptomic Analyses
Deciphering the Antibacterial Mechanisms of 5-Fluorouracil in Escherichia coli through Biochemical and Transcriptomic Analyses Open
The emergence of carbapenem-resistant Gram-negative pathogens presents a clinical challenge in infection treatment, prompting the repurposing of existing drugs as an essential strategy to address this crisis. Although the anticancer drug 5…
View article: ReaxFF-Based Molecular Dynamics Study of the Mechanism of the Reaction of N<sub>2</sub>O<sub>4</sub> with H<sub>2</sub>O
ReaxFF-Based Molecular Dynamics Study of the Mechanism of the Reaction of N<sub>2</sub>O<sub>4</sub> with H<sub>2</sub>O Open
During long-term storage of the liquid propellant N2O4, it absorbs H2O to form the N2O4(H2O)n system, and this in turn generates HNO3, HNO2, and other substances in the storage tank because of corrosion, which seriously affects the perform…
View article: Research on Improved PSO Algorithm for Multi-peak to Photovoltaic Maximum Power Tracking Control
Research on Improved PSO Algorithm for Multi-peak to Photovoltaic Maximum Power Tracking Control Open
To ensure the real-time output maximum power of a photovoltaic power producing system and improve the multi-peak MPPT management of a solar array under partial shadow, a maximum power tracking control strategy based on an Improved PSO algo…
View article: Application of IoT and Big Data Technology in Digital Testing Platforms
Application of IoT and Big Data Technology in Digital Testing Platforms Open
With the advancement of Internet of things and big data technologies, they have been introduced to the traditional experiment testing industry. This paper introduces the composition and functions of digital testing platforms, elaborates th…
View article: A Research on the Translation Study of Non-English Major Postgraduates: Based on the Perspective of Deep Learning
A Research on the Translation Study of Non-English Major Postgraduates: Based on the Perspective of Deep Learning Open
This paper discusses the application of deep learning theory to English translation teaching and learning for non-English major postgraduates(NEMPGs). In view of the lack of English translation ability of NEMPGs, this paper analyzes the pr…
View article: Clonal and Horizontal Transmission of <i>bla</i> <sub>NDM</sub> among Klebsiella pneumoniae in Children’s Intensive Care Units
Clonal and Horizontal Transmission of <i>bla</i> <sub>NDM</sub> among Klebsiella pneumoniae in Children’s Intensive Care Units Open
The bla NDM gene is playing an increasingly important role in infections caused by CR-KP, especially in children. However, systematic detection and bioinformatics analysis of NDM-KP in children's hospitals are lacking in China.
View article: A positive feedback between HIF1α and lysyl oxidase-like 2 dictates the Warburg Effect in Pancreatic Cancer
A positive feedback between HIF1α and lysyl oxidase-like 2 dictates the Warburg Effect in Pancreatic Cancer Open
Background Hypoxic microenvironment is common in solid tumors, particularly in pancreatic ductal adenocarcinoma (PDAC). The Warburg effect is known to facilitate cancer aggressiveness and has long been linked to hypoxia, yet the underlying…
View article: Non-real eigenvalues of a class of fourth order discontinuous differential operators with indefinite weight function
Non-real eigenvalues of a class of fourth order discontinuous differential operators with indefinite weight function Open
The spectral theory of differential operators is one of the basic problems of differential operator theory. It has been an important tool in quantum mechanics and other fields. For the Sturm-Liouville Problems with weighted functions, the …
View article: Novel IS26-mediated hybrid plasmid harbouring tet(X4) in Escherichia coli
Novel IS26-mediated hybrid plasmid harbouring tet(X4) in Escherichia coli Open
The fusion of the two plasmids probably formed through IS26 homologous recombination. Such recombination events presumably play an important role in the dissemination of the tet(X4). Molecular surveillance of tet(X) variant genes and genet…
View article: Emergence of the Phenicol Exporter Gene <i>fexA</i> in Campylobacter coli and Campylobacter jejuni of Animal Origin
Emergence of the Phenicol Exporter Gene <i>fexA</i> in Campylobacter coli and Campylobacter jejuni of Animal Origin Open
Bacteria of the genus Campylobacter are major foodborne pathogens that have become increasingly resistant to clinically important antimicrobial agents (1). In China, Campylobacter jejuni is the main cause of human Campylobacter infections,…
View article: Remedial Application of Urea Eliminates Yield Losses in Wheat Waterlogged during Stem Elongation
Remedial Application of Urea Eliminates Yield Losses in Wheat Waterlogged during Stem Elongation Open
Waterlogging remains a critical constraint to wheat production in areas with high rainfall. Exogenous application of nitrogen (N) can effectively diminish the adverse effects of waterlogging, but varies with specific events. To provide hig…
View article: Improved Deep Neural Network for OFDM Signal Recognition Using Hybrid Grey Wolf Optimization
Improved Deep Neural Network for OFDM Signal Recognition Using Hybrid Grey Wolf Optimization Open
Orthogonal Frequency Division Multiplexing (OFDM), as the core technology in mobile communications, is a multi-carrier modulation technology with high frequency spectrum utilization, which has strong anti-multipath interference and anti-fa…
View article: Polymorphism Existence of Mobile Tigecycline Resistance Gene <i>tet</i> (X4) in Escherichia coli
Polymorphism Existence of Mobile Tigecycline Resistance Gene <i>tet</i> (X4) in Escherichia coli Open
R ecently, two novel plasmid-mediated tigecycline resistance genes, tet(X3) and tet(X4), were identified in Acinetobacter baumannii and Escherichia coli, respectively, both of which can significantly compromise the efficacy of tigecycline …
View article: Presence and Antimicrobial Susceptibility of RE-cmeABC-Positive Campylobacter Isolated from Food-Producing Animals, 2014–2016
Presence and Antimicrobial Susceptibility of RE-cmeABC-Positive Campylobacter Isolated from Food-Producing Animals, 2014–2016 Open
Campylobacter spp. are the leading cause of human gastroenteritis worldwide. RE-CmeABC is a newly identified resistance-enhancing multidrug efflux pump of Campylobacter spp. (C. spp.) that confers high-level resistance to fluoroquinolones,…
View article: Impact of Cumulative Fouling Characteristics on Full-cycle Operation Optimisation of Multi-effect Distillation Desalination System
Impact of Cumulative Fouling Characteristics on Full-cycle Operation Optimisation of Multi-effect Distillation Desalination System Open
Cumulative fouling characteristics are often overlooked by researchers when optimising the operation of multi-effect distillation seawater desalination system. In order to analyse the influence of fouling cumulation on the optimisation ope…
View article: Emerging <i>erm</i> (B)-Mediated Macrolide Resistance Associated with Novel Multidrug Resistance Genomic Islands in <i>Campylobacter</i>
Emerging <i>erm</i> (B)-Mediated Macrolide Resistance Associated with Novel Multidrug Resistance Genomic Islands in <i>Campylobacter</i> Open
The rapid dissemination of the macrolide resistance gene erm (B) will likely compromise the efficacy of macrolides as the treatment of choice for campylobacteriosis. More importantly, erm (B) is always associated with several multidrug res…
View article: Particle Swarm Optimization-Based Deep Neural Network for Digital Modulation Recognition
Particle Swarm Optimization-Based Deep Neural Network for Digital Modulation Recognition Open
Modulation recognition is a major task in many wireless communication systems including cognitive radio and signal reconnaissance. The diversification of modulation schemes and the increased complexity of the channel environment put higher…
View article: Correlation Between Ki67 Expression and 18F-FDG PET/CT SUVmax in Patient with Diffuse Large B-cell Lymphoma and Their Application in Therapeutic Effect Evaluation
Correlation Between Ki67 Expression and 18F-FDG PET/CT SUVmax in Patient with Diffuse Large B-cell Lymphoma and Their Application in Therapeutic Effect Evaluation Open
Objective To discuss the correlation between Ki67 expression and 18F-FDG PET/CT SUVmax in patients with diffuse large B-cell lymphoma(DLBLC) and their application in the evaluation of chemotherapy effect. Methods We retrospectively analyze…