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Applied Sciences, Volume 16, Issue 3

2026 February-1 - 521 articles

Cover Story: Cemented paste backfill (CPB) is widely used in mining operations to enhance underground stope stability, production, and safety. Accurately predicting paste flow behaviours in backfill reticulation circuits is crucial for efficient delivery control and asset longevity. However, the predictions remain challenging due to complex rheology and flow-induced particle heterogeneities of CPB. This study develops a computational fluid dynamics (CFD)-based analysis framework to investigate flow dynamics of the CPB and the wear conditions of the pipes, considering slip layer and shear-induced particle migration. Experimental loop tests are conducted to measure pressure drops of CPB at different velocities, providing data for validating the developed CFD model. View this paper
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Articles (521)

  • Article
  • Open Access
310 Views
16 Pages

Site-Specific Hydrocarbon-Degrading Bacteria Consortium Developed Using Functional and Genomic Analyses

  • Davide Lelli,
  • Cristina Russo,
  • Dario Liberati,
  • Paolo De Angelis,
  • Maurizio Petruccioli and
  • Silvia Crognale

6 February 2026

Bioaugmentation, defined as the strategic incorporation of specifically selected microbial biomass into contaminated environments, can significantly enhance the biodegradation of pollutants and is extensively employed in soil bioremediation efforts....

  • Article
  • Open Access
234 Views
22 Pages

6 February 2026

To examine how grain-size distribution affects the mechanical response and fracture behavior of Lac du Bonnet (LdB) granite under uniaxial compression, numerical simulations were conducted using the particle flow code (PFC) with a grain-based model....

  • Review
  • Open Access
614 Views
28 Pages

Redefining Cyber Threat Intelligence with Artificial Intelligence: From Data Processing to Predictive Insights and Human–AI Collaboration

  • Mateo Barrios-González,
  • Javier Manuel Aguiar-Pérez,
  • María Ángeles Pérez-Juárez and
  • Enrique Castañeda-de-Benito

6 February 2026

The increasing complexity and scale of cyber threats have pushed Cyber Threat Intelligence (CTI) beyond the capabilities of traditional rule-based systems. This article explores how Artificial Intelligence (AI), particularly Machine Learning (ML), De...

  • Article
  • Open Access
303 Views
28 Pages

6 February 2026

Non-uniform rational B-spline (NURBS) surfaces are effective for accurately modeling curved geometries, and research in this area has recently increased. In this study, point cloud data obtained from two challenging test environments (a convex wooden...

  • Article
  • Open Access
172 Views
12 Pages

6 February 2026

Achieving thickness uniformity is a critical challenge in superplastic forming (SPF) of hemispherical shells, as standard constant-thickness blanks suffer from excessive thinning at the pole. While the literature suggests using variable thickness bla...

  • Article
  • Open Access
218 Views
68 Pages

Towards Privacy-Preserving Deep Learning for Intelligent IoT Botnet Detection

  • Ariwan M. Rasool,
  • Nader Sohrabi Safa and
  • Consolee Mbarushimana

6 February 2026

Internet of Things (IoT) botnets are networks of infected smart devices controlled by attackers and posing a serious cybersecurity challenge. Developing detection approaches that maintain high accuracy while protecting privacy presents considerable c...

  • Article
  • Open Access
212 Views
25 Pages

Lightweight Vision Transformer for Real-Time Threat Level Assessment in Φ-OTDR-Based Pipeline Monitoring

  • Yuhan Zhang,
  • Hao Zeng,
  • Chang Su,
  • Jie Yang,
  • Jianjun Zhu and
  • Jianli Wang

6 February 2026

Phase-sensitive optical time domain reflectometry (Φ-OTDR) is a highly sensitive distributed vibration sensing technology crucial for pipeline safety monitoring. However, its sensitivity makes it susceptible to environmental interference, leading...

  • Article
  • Open Access
145 Views
17 Pages

Evaluation of the Recrystallization Annealing Microstructure of the INCONEL 625 Superalloy Exposed to Cavitation Erosion

  • Ion Mitelea,
  • Robert Parmanche,
  • Ion-Dragoș Uțu,
  • Dragoș Buzdugan,
  • Corneliu Marius Crăciunescu and
  • Ilare Bordeașu

6 February 2026

Cavitation erosion is a critical problem for many engineering components, such as ship propellers, diesel engine exhaust valves, cylinder liners, pump impeller blades, hydraulic turbines, and bearings, which are exposed to high-velocity flowing fluid...

  • Review
  • Open Access
246 Views
54 Pages

Thermoelectric Transducers: A Promising Method of Energy Generation for Smart Roads

  • Tomas Baca,
  • Peter Sarafin,
  • Miroslav Chochul and
  • Michal Kubascik

6 February 2026

For battery-powered Smart Road components deployed in locations without access to the electrical grid, limited energy availability represents a major challenge to long-term autonomous operation. While photovoltaic panels are the most commonly used en...

  • Article
  • Open Access
228 Views
35 Pages

6 February 2026

Transformers are critical components in power systems, and their functionality must be maintained during seismic events. This study conducted multi-directional shaking table tests on a full-scale 154 kV transformer to investigate the seismic response...

  • Article
  • Open Access
184 Views
14 Pages

Impact of Non-Linear CT Resampling on Enhancing Synthetic-CT Generation in Total Marrow and Lymphoid Irradiation

  • Monica Bianchi,
  • Nicola Lambri,
  • Daniele Loiacono,
  • Stefano Tomatis,
  • Marta Scorsetti,
  • Cristina Lenardi and
  • Pietro Mancosu

6 February 2026

Computed tomography (CT) images are stored at a 12-bit depth. However, many deep learning libraries and pre-trained models are designed for 8-bit images, requiring an intermediate compression step before restoring the original 12-bit physical range....

  • Article
  • Open Access
141 Views
19 Pages

Fabrication and Curing Kinetics of Thermal Insulation Material Suitable for Deep-Earth Extreme Environments

  • Jianping Yang,
  • Haishu Bai,
  • Zhiqiang He,
  • Bo Yu,
  • Zijie Wei,
  • Ling Chen and
  • Shaoshuai Shi

6 February 2026

In the extreme high-temperature (up to 150 °C) and high-pressure (up to 140 MPa) conditions of deep in situ condition-preserved coring devices, high-strength epoxy resin was selected as the insulation layer. The non-isothermal DSC method was empl...

  • Article
  • Open Access
326 Views
19 Pages

6 February 2026

To meet the demand for high efficiency in modern broadband communication systems, this paper presents a novel continuous-mode Doherty power amplifier design method based on integrated high-order filter prototypes. By deeply merging the filter structu...

  • Article
  • Open Access
185 Views
26 Pages

Student Learning Outcome Prediction via Sheaflet-Based Graph Learning and LLM

  • Dongmei Zhang,
  • Zhanle Zhu,
  • Yukang Cheng and
  • Yongchun Gu

6 February 2026

Accurately modeling the interactions between students and learning content is a central challenge in achieving personalized and adaptive learning in online education. However, existing methods often struggle to simultaneously capture the multi-scale...

  • Article
  • Open Access
174 Views
24 Pages

6 February 2026

Class imbalance is a formidable and ongoing challenge in image classification tasks. Existing methods address this issue by emphasizing minority classes through class redistribution in the feature space or adjusting decision boundaries. Although such...

  • Article
  • Open Access
168 Views
20 Pages

Wear Analysis of Catenary Dropper Lines Due to Discontinuous Contact

  • Cong Chen,
  • Huai Zhao,
  • Duorun Wang,
  • Xingyu Feng,
  • Guilin Liu,
  • Jiliang Mo,
  • Jian Luo and
  • Dabing Luo

6 February 2026

The service reliability of critical catenary components is strongly influenced by damage evolution at dynamic contact interfaces. In this study, a numerical framework is developed to simulate the dynamic contact behavior and wear progression of caten...

  • Article
  • Open Access
192 Views
19 Pages

6 February 2026

The extensive use of prefabricated large-diameter steel-reinforced concrete (SRC) hollow tubular columns in major infrastructure projects creates a critical demand for efficient and reliable column-to-foundation connections with satisfactory seismic...

  • Article
  • Open Access
158 Views
21 Pages

6 February 2026

Underground coal gasification (UCG) is a coal utilization technology that has attracted extensive attention over the years. In order to study the distribution and evolution law of the growth boundary of a coal gasification cavity under UCG, COMSOL nu...

  • Systematic Review
  • Open Access
273 Views
19 Pages

Aerogels and Oleogels as Functional Fat Replacers in Spreads—A Systematic Review

  • Andrea Karlović,
  • Marija Banožić,
  • Đurđica Ačkar,
  • Sanda Hasenay and
  • Drago Šubarić

6 February 2026

The growing demand for healthier food options has accelerated the development of innovative fat-replacement strategies in spreadable products. Oleogels are semi-solid systems formed by structuring edible oils. Recently, these systems have emerged as...

  • Article
  • Open Access
166 Views
13 Pages

6 February 2026

The early mechanical properties of a cement sheath are not good when the temperature of the oil and gas wells is low, and it is easily damaged. The rice husk-derived graphene-like (RCG) materials were used to improve the mechanical properties of oil...

  • Article
  • Open Access
190 Views
13 Pages

Evaluation of the Precision and Accuracy of Computer-Guided Implant Surgery: A Prospective Clinical Study Comparing .STL Files from the Intraoral Rehabilitation Scanning with the Digital Project

  • Francesca Argenta,
  • Antonino Palazzolo,
  • Eugenio Romeo,
  • Saturnino Marco Lupi,
  • Tommaso Risciotti,
  • Massimo Scanferla and
  • Stefano Storelli

6 February 2026

Objectives: This prospective cohort study aimed to evaluate the accuracy and precision of static computer-guided, flapless implant surgery in partially edentulous patients, comparing the virtually planned and clinically achieved implant positions. Ma...

  • Article
  • Open Access
258 Views
25 Pages

6 February 2026

Accurate stock prediction is crucial for investment decisions and risk management, yet remains challenging due to the non-stationary, nonlinear, and noisy nature of financial markets. Although deep learning has advanced forecasting by modeling tempor...

  • Article
  • Open Access
157 Views
18 Pages

6 February 2026

In order to match the transmission parameters of HMCVT more reasonably, this paper takes a three-planetary-row parallel scheme as the research object, and proposes the concept of ‘hydraulic circuit power coefficient’, that is, the ratio o...

  • Article
  • Open Access
159 Views
16 Pages

6 February 2026

This paper presents the design and optimization of highly efficient radio frequency power amplifiers (RFPAs) for driving acousto-optic tunable filters (AOTFs) in spaceborne applications. High efficiency is critical in such applications to minimize po...

  • Article
  • Open Access
205 Views
30 Pages

Contextual Reuse of Big Data Systems: A Case Study Assessing Groundwater Recharge Influences

  • Agustina Buccella,
  • Alejandra Cechich,
  • Walter Garrido and
  • Ayelén Montenegro

6 February 2026

The process of building data analytics systems, including big data systems, is currently being investigated from various perspectives that generally focus on specific aspects, such as data security or privacy, to the detriment of an engineering persp...

  • Article
  • Open Access
172 Views
15 Pages

6 February 2026

This study presents integrated zircon U-Pb geochronology, whole-rock geochemistry, and Sr-Nd-Hf isotopic investigations of quartz diorite and gneissic quartz diorite from the Datian Complex along the western Yangtze Block, elucidating their petrogene...

  • Article
  • Open Access
143 Views
27 Pages

6 February 2026

Condition monitoring of rotating machinery is critical for ensuring industrial safety and operational reliability. As a core component of intelligent diagnostic systems, domain adaptation methods have achieved notable progress in mechanical fault dia...

  • Article
  • Open Access
240 Views
26 Pages

6 February 2026

Adaptive winglets improve aerodynamic efficiency by enabling geometry adjustments tailored to flight conditions. In this study, an engineering-oriented optimization framework is developed and applied to numerical aerodynamic evaluations based on the...

  • Article
  • Open Access
244 Views
27 Pages

ffstruc2vec: Flat, Flexible, and Scalable Learning of Node Representations from Structural Identities

  • Mario Heidrich,
  • Jeffrey Heidemann,
  • Rüdiger Buchkremer and
  • Gonzalo Wandosell Fernández de Bobadilla

6 February 2026

Node embedding refers to techniques that generate low-dimensional vector representations of nodes in a graph while preserving specific node properties and is widely used in applied domains such as fraud detection and social network analysis. A key ch...

  • Article
  • Open Access
161 Views
17 Pages

6 February 2026

Zirconia (ZrO2) containing bioactive glasses (BG’s) have been synthesized to determine their influence on the structure of a 0.56SiO2–0.15Na2O-0.25CaO-0.04P2O5 glass and the resulting solubility within a hydrated environment. In this stud...

  • Expression of Concern
  • Open Access
126 Views
1 Page

6 February 2026

With this notice, the Applied Sciences Editorial Office alerts the readers to concerns related to this article [...]

  • Article
  • Open Access
149 Views
16 Pages

6 February 2026

The continuous increase in electronic power densities demands thermal management solutions that surpass the conventional heat sink designs. This study introduces a synergistic approach that combines constructal design principles with Friction Stir Pr...

  • Article
  • Open Access
174 Views
20 Pages

6 February 2026

Biospeckle imaging enables non-destructive observation of dynamic physiological activity in plant tissues; however, the relative sensitivity of different biospeckle activity maps to water stress and their implications for data-driven classification r...

  • Article
  • Open Access
195 Views
12 Pages

6 February 2026

This in vitro study evaluated the effects of activated charcoal mouthwashes on the color stability and surface roughness of resin composites after long-term water aging and repolishing. One nanofilled (Filtek Universal) and two nanohybrid composites...

  • Article
  • Open Access
200 Views
19 Pages

Lifespan Estimation of Closed-Circuit Television (CCTV) Systems Using Weibull Modeling

  • Vanvisa Chutchavong,
  • Virote Pirajnanchai,
  • Satawat Doungpan,
  • Witchapon Kasettakarn,
  • Thanapol Phungtua-eng and
  • Kanok Janchitrapongvej

6 February 2026

Ensuring the availability and reliability of electronic components or materials during operation necessitates conducting a sampling inspection of their lifespan. This is particularly crucial when comparing equipment or materials deployed in various a...

  • Article
  • Open Access
229 Views
20 Pages

6 February 2026

Conventional multi-channel ultrasonic motor (USM) drive systems commonly adopt a one-motor–one-driver architecture, in which each drive channel requires an independent isolated power supply and inverter stage. As the number of motors increases,...

  • Article
  • Open Access
281 Views
34 Pages

6 February 2026

This study presents a comprehensive thermal analysis, design, and optimization framework for electrothermal heating systems integrated into composite wing structures. Thermal behavior is first investigated using finite volume simulations conducted wi...

  • Article
  • Open Access
187 Views
23 Pages

5 February 2026

This paper presents, by taking the elastic string vibration problem as the model problem, the space–time reduced element and the corresponding adaptive analysis algorithm. The solution of the space–time reduced element is extracted from t...

  • Article
  • Open Access
275 Views
27 Pages

5 February 2026

The interdisciplinary nature of artificial intelligence courses forces non-computer science majors to contend with the simultaneous challenges of terminology comprehension and language cognition. To increase the efficiency of terminology teaching, th...

  • Article
  • Open Access
174 Views
22 Pages

Study of Dynamics of Corrosive Wear of Load-Bearing Metal Structures of Subway Cars with Expired Service Life

  • Andrii Sulym,
  • Yurii Pavlenko,
  • Dmytro Fedosov-Nikonov,
  • Tetiana Popova,
  • Ján Dižo and
  • Miroslav Blatnický

5 February 2026

The present study focuses on scientific and experimental research on corrosion damage to the bodies of subway cars. The main purpose of the research is to assess the degree of corrosive wear on the main load-bearing metal structures of the subway car...

  • Article
  • Open Access
256 Views
18 Pages

5 February 2026

Acoustic emission testing is a non-destructive inspection method in which ultrasonic waves emitted by defects in an object are detected and assessed based on their time of arrival and waveform, which strongly depends on the geometry of the object. Th...

  • Article
  • Open Access
417 Views
32 Pages

Risk Factor Analysis of Single Motorcycle Accidents in Road Traffic

  • Edward Kozłowski,
  • Mateusz Traczyński,
  • Przemysław Skoczyński,
  • Piotr Jaskowski and
  • Radovan Madlenak

5 February 2026

This research examines the risk factors that influence injury severity in individual motorcycle accidents, utilising a dataset of 5253 incidents. Five machine learning algorithms—multinomial logistic regression, classification trees, random for...

  • Review
  • Open Access
404 Views
18 Pages

A Survey on Quantum Machine Learning Applications in Medicine and Healthcare

  • Radosław Idzikowski,
  • Mateusz A. Kucharski,
  • Konrad Pempera and
  • Michał Jaroszczuk

5 February 2026

Quantum machine learning (QML) is an emerging field combining quantum computing and artificial intelligence, with promising applications in medicine and healthcare. This survey reviews more than 60 studies published between 2018 and 2025, highlightin...

  • Article
  • Open Access
180 Views
19 Pages

5 February 2026

To investigate the impact of “bright to dark” uneven lighting conditions on driver recognition of retroreflective guide signs in the diverging zones of underwater ramp interchanges, this study adjusts the luminance contrast between adjace...

  • Article
  • Open Access
228 Views
18 Pages

Microbiological and Physicochemical Parameters Related to Legionella spp. Colonisation in Hot Water Distribution Systems in Madrid: Case Study in Sports Centres

  • María Concepción Almonacid Garrido,
  • Alejandra García-Alonso,
  • María José Villanueva-Suárez and
  • María Dolores Tenorio-Sanz

5 February 2026

Domestic hot water systems are one of the most important reservoirs of Legionella. It is thought that physicochemical and microbiological water quality influences bacterial development. Accordingly, the objective of this study was to evaluate this re...

  • Article
  • Open Access
186 Views
15 Pages

Detecting Maneuvering Weak Target with Doppler Spread Using Space-Air Bistatic FDA Radar

  • Jiale Liang,
  • Weiwei Wang,
  • He Wen,
  • Chongdi Duan and
  • Wanzhao Cui

5 February 2026

Compared with conventional monostatic radar systems, space-air bistatic frequency diverse array (FDA) radar exhibits superior anti-jamming capability and enhanced early-warning performance for weak and maneuvering targets. However, the complex bistat...

  • Article
  • Open Access
159 Views
37 Pages

Comparative Study of a Short-Term Assessment of Corrosion Initiation Behavior of Steel Reinforcement in Cementitious vs. Alkali-Activated Fly Ash Geopolymer Binders

  • Andreea Hegyi,
  • Alexandra Csapai,
  • Adrian-Victor Lăzărescu,
  • Claudiu-Sorin Dragomir,
  • Tudor Panfil Toader,
  • Bradut Alexandru Ionescu,
  • Mihail Chira,
  • Carmen Florean,
  • Horatiu Vermesan and
  • Marta-Ioana Moldoveanu
  • + 3 authors

5 February 2026

The long-term durability and structural integrity of modern buildings, which are inherently reliant on reinforced concrete, are governed by the rate of corrosion of embedded steel reinforcement. Corrosion kinetics, therefore, is not merely an academi...

  • Article
  • Open Access
215 Views
22 Pages

5 February 2026

Accurate extraction of building vector contours from high-resolution remote sensing images is a fundamental task for urban mapping and geographic information systems. However, existing approaches often suffer from blurred boundaries and geometric dis...

  • Review
  • Open Access
297 Views
38 Pages

5 February 2026

The global lithium supply balance has been under pressure since the recent increase in demand for electric vehicles. Conventional techniques for lithium extraction from natural resources are solar evaporation and hard-rock mining, which both have the...

  • Article
  • Open Access
329 Views
32 Pages

5 February 2026

In this study, the separation performance of cyclone separators with different geometric configurations was investigated using a hybrid approach that combines Computational Fluid Dynamics, the Discrete Element Method, and Artificial Neural Networks....

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Appl. Sci. - ISSN 2076-3417