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Article
A TD-Based Speed Sensorless Composite Controller for a PMSM with Disturbances: Design and Verifications
To deal with the modeling error, dynamical uncertainties and disturbances caused by actual operating conditions, i.e., total disturbance, a speed composite sensorless controller based on tracking differentiato...
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Article
Open AccessRational construction of a high-quality and high-efficiency biosynthetic system and fermentation optimization for A82846B based on combinatorial strategies in Amycolatopsis orientalis
Oritavancin is a new generation of semi-synthetic glycopeptide antibiotics against Gram-positive bacteria, which served as the first and only antibiotic with a single-dose therapeutic regimen to treat ABSSSI. ...
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Article
Open AccessMechanisms of early and late summer precipitation in Southwest China: dynamic and thermodynamic processes
This study investigates dynamic and thermodynamic components of moisture flux convergence in Southwest China (SW-MFC) and their underlying physical mechanisms during early and late summer. Using precipitation ...
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Article
Open AccessThe association of a frailty index derived from laboratory tests and vital signs with clinical outcomes in critical care patients with septic shock: a retrospective study based on the MIMIC-IV database
Frailty is a vulnerable state to stressors due to the loss of physiological reserve as a result of multisystem dysfunction. The physiological and laboratory-based frailty index (FI-Lab), depending on laborator...
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Article
Microbial remediation technology for heavy metal contamination of mine soil
The problem of persistent and potentially toxic heavy metal-contaminated soils is widespread worldwide. These heavy metal concentrations have continued to accumulate in soils over the past three decades, posin...
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Article
A meta-pattern for building QoS-optimal mobile services out of equivalent microservices
A QoS-optimal service balances reliability, execution cost, and latency to satisfy application requirements. In emerging distributed environments, with their unreliable and resource-scarce mobile/IoT devices, ...
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Article
Open AccessTranscriptome analysis of sexual dimorphism in dorsal down coloration in goslings
In day-old Hungarian white goose goslings, there is a noticeable difference in dorsal down coloration between males and females, with females having darker dorsal plumage and males having lighter plumage. The ...
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Article
Finite-time extended state observer enhanced nonsingular terminal sliding mode control for buck converters in the presence of disturbances: design, analysis and experiments
A sliding mode control (SMC) method is designed to attenuate the disturbances in the DC–DC buck converter system based on the estimated values of extended state observer (ESO). A conventional ESO is unable to ...
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Article
CFTNet: a robust credit card fraud detection model enhanced by counterfactual data augmentation
Establishing a reliable credit card fraud detection model has become a primary focus for academia and the financial industry. The existing anti-fraud methods face challenges related to low recall rates, inaccu...
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Article
Open AccessAMO modulation of interdecadal background of persistent heavy rainfall in summer over the Huaihe River Basin
This study used observed rainfall, ERA5 reanalysis, and CMIP6 model datasets to investigate the interdecadal variation and underlying mechanism of persistent heavy rainfall (PHR) over the Huaihe River Basin (H...
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Article
Facile low-temperature synthesis of a hierarchical Sn-SnO2/CNT/rGO composite for anode material in lithium-ion batteries
Carbon composites containing mixed Sn phases, such as Sn/SnOx (x = 1 or 2), are considered promising anode materials for lithium-ion batteries due to the high capacity of Tin oxide (SnOx) as well as the high elec...
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Article
Assessment of groundwater quality using Entropy‑Weighted Quality Index (EWQI) and multivariate statistical approaches in Heilongdong Spring Basin, Northern China
Heilongdong Spring Basin (HSB) is an ecologically and economically important area in northern China, with widespread and intensive anthropogenic activities (industrialization, mining, agriculture). To understa...
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Article
Detecting moldy peanuts via moldiness index and kernel features by hyperspectral imaging
Foods such as peanuts are prone to mold and contamination by the deadly carcinogenic, aflatoxin (AF), which can have harmful effects on human and animal health. Therefore, the rapid and nondestructive detectio...
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Article
Investigation of biological activity of Alpinia platychilus extracts and its use as a natural preservative in fruits
This study was conducted to explore Alpinia platyjchilus extract as plant source preservative instead of chemical preservative. Finding a plant-based preservative is one of the methods to solve the harm caused by...
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Article
Exploring the Current Landscape of Primary School Physical Education Within the Framework of the New Curriculum Reform: A Quality Evaluation Model Perspective
The advent of the knowledge economy necessitates a transformation in educational paradigms, especially in primary education. This paper examines the recent shift in physical education (PE) within elementary sc...
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Article
Open AccessIntegrating wastewater and randomised prevalence survey data for national COVID surveillance
During the COVID-19 pandemic, studies in a number of countries have shown how wastewater can be used as an efficient surveillance tool to detect outbreaks at much lower cost than traditional prevalence surveys...
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Article
On differential spectra of involutions with low differential uniformity over finite fields with even characteristic
In this paper, we determine the differential spectra of two known classes of involutions with low differential uniformity over finite fields with even characteristic completely. The key point of our method is ...
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Article
Open AccessEnhanced indoor positioning through human-robot collaboration
Indoor positioning is a critical component for numerous applications and services. However, GNSS systems face challenges in delivering accurate positioning information in indoor environments. Current indoor po...
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Article
Open AccessErianin promotes endogenous neurogenesis in traumatic brain injury rats
The objective of this study was to explore the positive influence and potential mechanism of Erianin on the recovery of brain cells following a traumatic brain injury (TBI). TBI rat models were prepared and tr...
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Article
An evaluation method for water abundance of roof aquifer based on groundwater circulation characteristics: a case study of the Zhiluo Formation in Shendong mining area
Objectively and accurately evaluating and predicting the water abundance of coal seam roof aquifers is of great significance for ensuring the coal mining safety and the groundwater resource protection. However...
