Mathematical fundamentals of NURBS curves
NURBS curves are an extended form of B-Splines, characterized by their ability to flexibly control the shape of the curve through non-uniform Knot Vectors and Weights21,22. The mathematical expression of…
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Operation optimisation of direct current microgrids toward stability and economy: a model-data co-driven framework
Operation optimisation model
In this section, the SCOO of the islanded DC microgrid is formulated as a nonlinear optimisation model.
System description
An islanded DC microgrid consists of dispatchable DERs, undispatchable DERs, loads and a…
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A novel electrochemical immunosensor based on biomaterials for detecting carcinoembryonic antigen biomarker in serum samples
Physical characterization of the constructed electrodes
The morphology and structure of the nanocomposites were evaluated using various analytical techniques. FE-SEM and AFM provided high-resolution images of the sample surface, revealing the…
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d-Alanine content in the marine edible bivalve Panopea japonica and evaluation of its associated enzyme activities
In this study, we measured the d-amino acid content in P. japonica and identified several important d-amino acids, d-Ala, d-Pro, and d-Asp. Okuma et al.9. studied the d-amino acid concentrations in bivalves, however, they investigated a limited…
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The use of acoustic emission technique in MWD for mine to mill approach as a smart tool for sustainable mining
The modern economy relies heavily on the production of minerals. However, the mining industry globally consumes a significant amount of energy with very low efficiency, especially during the comminution process, to reduce the size of the mined…
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Magnetic orange leaf biochar for favipiravir removal from wastewater
XRD patterns
The structure and phase composition of the MBC-OL were analyzed using XRD, as shown in Fig. 4. The analysis revealed the presence of two primary crystalline phases, magnetite and hematite, within the biochar matrix. Magnetite, a…
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Experimental and analytical investigation of Frost heave characteristics in red-bed coarse-grained materials incorporating particle breakage effect
Vinnichenko, G. P. & Kukhtikov, M. M. New data on tertiary continental deposits of the Southwestern Pamir. Int. Geol. Rev. 21 (12), 1377–1382. https://doi.org/10.1080/00206818209467187 (1979).
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Characterization of dip effect on strength for gently inclined rock pillar
The inclined pillar experiences combined compression-shear loading. Laboratory tests of rock under such loading conditions provide the foundation for understanding the inclined pillar’s behavior and are crucial for scaling experimental data to…
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Topic modeling-based prediction of software defects and root cause using BERTopic, and multioutput classifier
Advanced topic modeling and classification techniques are utilized to predict software defects and identify their underlying root causes. A unique topic modeling method, BERTopic42, is employed to extract root causes from software development…
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When disasters fall out of the public eye, survivors continue to suffer – a rehabilitation professional explains how sustained mental health support is critical to recovery
The devastating losses from the historic flooding in Texas Hill Country on July 4, 2025, are still coming into grim focus, with 121 deaths confirmed and more than 100 still missing as of July 10.
As emergency responders focus on clearing…
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