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IWORMLF: Improved Invasive Weed Optimization With Random Mutation and Lévy Flight for Beam Pattern Optimizations of Linear and Circular Antenna Arrays

Tingting Zheng, Yanheng Liu, Geng Sun, Lin Zhang et al. • IEEE Access (2020)

The beam pattern synthesis of antenna arrays is one of the most significant optimization problems in the electromagnetics community, and it affects the performance of wireless communication systems. In this article, we formulate the beam pa...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2020.2968476

Optimal Trend Labeling in Financial Time Series

Tomislav Kovacevic, Andro Mercep, Stjepan Begusic, Zvonko Kostanjcar • IEEE Access (2023)

Predicting asset price trends is often posed as a classification problem, where trends are classified as positive or negative. Since asset price series are noisy and volatile, it is difficult to distinguish true trends from short-term fluct...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2023.3303283

The World Ecology of Desalination

Brian F O'Neill • Journal of World-Systems Research (2020)

World-systems scholars are increasingly engaged in issues at the intersection of ecological and economic concerns since the proliferation of debates on the Anthropocene. Recently, the alternative concept of Capitalocene—age of Capital—has e...

DOAJ Open Access (DOAJ) DOI: 10.5195/jwsr.2020.987

Deep neural network-based prediction of tsunami wave attenuation by mangrove forests

Didit Adytia, Dede Tarwidi, Deni Saepudin, Semeidi Husrin et al. • MethodsX (2024)

The goal of this research is to develop a model employing deep neural networks (DNNs) to predict the effectiveness of mangrove forests in attenuating the impact of tsunami waves. The dataset for the DNN model is obtained by simulating tsuna...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.mex.2024.102791

Identification of Interfunctional Coordination Items Important for Business Performance of SMEs

Zuzana Hübnerová, Eva Tomášková, Josef Bednář • Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis (2020)

This paper provides a deeper analysis of the relationships between interfunctional coordination (IFC) and business performance (BP). IFC is studied in many fields such as marketing, management, logistics, informatics or human resources. The...

DOAJ Open Access (DOAJ) DOI: 10.11118/actaun202068010169

Convolutional Neural Network Based Approval Prediction of Enhancement Reports

Jun Cheng, Mazhar Sadiq, Olga A. Kalugina, Sadeem Ahmad Nafees et al. • IEEE Access (2021)

For a given software enhancement report, identifying its possible approval status could help software developers by suggesting feature enhancements to compete in the software industry. An automatic solution for the approval prediction of en...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2021.3108624

Spatial and Temporal Variability of Bed Exchange Characteristics of Fine Sediments From the Weser Estuary

J. Patzke, E. Nehlsen, P. Fröhle, R. F. Hesse • Frontiers in Earth Science (2022)

Sedimentation of fine-grained sediments in estuaries is a natural physical phenomenon influenced by biogeochemical processes. In the estuarine turbidity maximum (ETM), enhanced net deposition of sediments is observed even in areas with high...

DOAJ Open Access (DOAJ) DOI: 10.3389/feart.2022.916056

Engineering of logistics flows

Fil Olga • E3S Web of Conferences (2023)

The article is devoted to the engineering of logistics flows. Logistics flow engineering aims to apply methods of fuzzy modeling of logistics processes according to indicators-criteria of fuzzy relationships, search for the most optimal cou...

DOAJ Open Access (DOAJ) DOI: 10.1051/e3sconf/202338101089

Evaluating the Suitability of the Simplified Pairs Trading Strategy for Short-term Equity Market Trading

Julija Mosina, Grigorij Žilinskij • Comparative Economic Research (2025)

Pairs trading has been a successful tool for traders since its inception in the 1980s and has evolved significantly with the introduction of algorithmic, machine, and AI trading. This evolution has compli­cated the implementation of this st...

DOAJ Open Access (DOAJ) DOI: 10.18778/1508-2008.28.20

Comparing Large-Eddy Simulation and Gaussian Plume Model to Sensor Measurements of an Urban Smoke Plume

Dominic Clements, Matthew Coburn, Simon J. Cox, Florentin M. J. Bulot et al. • Atmosphere (2024)

The fast prediction of the extent and impact of accidental air pollution releases is important to enable a quick and informed response, especially in cities. Despite this importance, only a small number of case studies are available studyin...

DOAJ Open Access (DOAJ) DOI: 10.3390/atmos15091089

Scalable micro/nanostructured superhydrophobic surface modifications for enhanced energy efficiency and heat transfer performance in stainless steel and titanium

Younghun Shin, Kwon-Yeong Lee, Jeong-Won Lee, Woonbong Hwang • Materials Research Express (2023)

Condensation refers to the change of a substance from a gaseous phase to a liquid phase, an example of which is the condensation of water vapor in nature. Condensation is used in many industries, such as energy generation and seawater desal...

DOAJ Open Access (DOAJ) DOI: 10.1088/2053-1591/ace23a

Study of the corrosion properties of powder rolled Ti–6Al–4V alloy applied in the biomedical implants

Mandlenkosi G.R. Mahlobo, Lethu Chikosha, Peter A. Olubambi • Journal of Materials Research and Technology (2022)

Great efforts have been made in fabricating Ti–6Al–4V alloys that can be used in the biomedical implants industry. The increasing interest in using fabricated Ti–6Al–4V alloys in industrial applications is mainly due to the properties of al...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jmrt.2022.04.004

Hybrid Coatings Based on Polyvinylpyrrolidone/Polyethylene Glycol Enriched with Collagen and Hydroxyapatite: Incubation Studies and Evaluation of Mechanical and Physiochemical Properties

Dagmara Słota, Josef Jampilek, Agnieszka Sobczak-Kupiec • Journal of Functional Biomaterials (2024)

Coating materials offers an intriguing solution for imparting inert implants with additional bioactive characteristics without changing underlying parameters such as mechanical strength. Metallic implants like endoprostheses or polymeric im...

DOAJ Open Access (DOAJ) DOI: 10.3390/jfb15030062

Application of Electric Field to Developing Falling Films using Wire-Plate Electrode Configuration- An Experimental Study

R. Rouhollahi, S. Baheri Islami, R. Gharraei, M. R. Heirani Nobari • Journal of Applied Fluid Mechanics (2018)

Experimental investigation of Electrohydrodynamic developing falling film flow of transformer oil has been conducted within an inclined rectangular channel and hydrodynamic characteristics of the flow have been revealed. The electric field ...

DOAJ Open Access (DOAJ)

Dynamic of upper body sweat distribution in young males wearing fully encapsulated chemical protective ensembles

Ying Chen, Chuankun Zhang, Lin Lu, Xiaohui Zheng et al. • Scientific Reports (2022)

Abstract Impermeability is a feature of fully encapsulated chemical protective ensembles (FCPE), which can affect people's sweat and affect their clothing's thermal-wet comfort. This study investigated the dynamics of upper-body sweat distr...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-022-04974-w