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Sufficient synchronization conditions for resistively and memristively coupled oscillators of FitzHugh-Nagumo-type
Springer Science and Business Media LLC -
Robin Lautenbacher, Bakr Al Beattie, Karlheinz Ochs, Ralf Köhl
AbstractWe study the synchronization behavior of a class of identical FitzHugh-Nagumo-type oscillators under adaptive coupling. We describe the oscillators by a circuit model and we provide a sufficient synchronization condition that relies on the shape of the nonlinear conductance’s (i, u)-curve and the connect...... hiện toàn bộ
Slime mold algorithm for topology optimization: metagratings inverse design
Springer Science and Business Media LLC -
Kofi Edee, Gérard Granet, Pierre Bonnet
AbstractIn this paper we discuss the use of a metaheuristic (MH) gradient-free optimization method, specifically the slime mold algorithm (SMA), combined with the topology optimization (TO) method to design metasurfaces using a spectral modal method. The motivation behind using a MH approach comes from the drawbacks associated with traditional gradient-based method...... hiện toàn bộ
Characterization and photodegradation of methylene blue dye using bio-synthesized cerium oxide nanoparticles with Spirulina platensis extract
Springer Science and Business Media LLC - - 2024
Mohamed H. H. Ali, Mohamad S. Abdelkarim, Afify D. G. Al-Afify
Increasing concern about environmental pollution attracts researchers to develop eco-friendly, low-cost, and sustainable approaches for green biosynthesis of nanoparticles to overcome pollutants. This study focuses on the green synthesis of ceria NPs using Spirulina platensis extract as a stabilizing and reducing agent. Characterization measurements, such as optical properties, X-ray diffraction, ...... hiện toàn bộ
Economic analysis of potential of citrus and walnut fruits by artificial neural network
Springer Science and Business Media LLC - - 2024
Vipal Bhagat, Sudhakar Dwivedi, Rafeeya Shams, Kshirod K. Dash, G. V. S. BhagyaRaj, Béla Kovács, Shaikh Ayaz Mukarram
South Asian countries have a wealth of opportunities to use the rainfed lands to the farmers’ advantage with the largest amount of rainfed land. The economic circumstances of the farmers operating in these areas are appalling due to the inefficient use of these lands. The work reported in this paper was carried out in the Jammu, Kathua, and Udhampur districts of the Jammu division. Two horticultur...... hiện toàn bộ
Preparation of shape memory polyurethane composite materials by grafting PCL onto CNFs with different carboxyl content
Springer Science and Business Media LLC - - 2024
Xiaohong Liu, Altaf H. Basta, Rui Liu, Shiyu Fu
This study describes the preparation of cellulose nanofibers (CNFs) with varying amounts of carboxyl groups from rice straw pulp using the TEMPO/NaBr/NaClO oxidation system. The resulting CNFs were found to be in the form of nanofibers with an average diameter of 6 nm and an average length of 160 nm. To further enhance their properties, the CNFs were grafted with polycaprolactone (PCL) to create C...... hiện toàn bộ
Non-sample fuzzy based convolutional neural network model for noise artifact in biomedical images
Springer Science and Business Media LLC -
Haewon Byeon, Ruchi Patel, Deepak A. Vidhate, Sherzod Kiyosov, Saima Ahmed Rahin, Ismail Keshta, T. R. Vijaya Lakshmi
AbstractThe use of a light-weight deep learning Convolutional Neural Network (CNN) augmented with the power of Fuzzy Non-Sample Shearlet Transformation (FNSST) has successfully solved the problem of reducing noise and artifacts in Low-Dose Computed Tomography (LDCT) pictures. Both the Normal-Dose Computed Tomography (NDCT) and the Low-Dose Computed Tomography (LDCT...... hiện toàn bộ
Assessment of particulate matter and particle path trajectory analysis using a HYSPLIT model over Dire Dawa, Ethiopia
Springer Science and Business Media LLC - - 2024
Teshager Argaw Endale, Gelana Amente Raba, Kassahun Ture Beketie, Gudina Legese Feyisa, Haftu Brhane Gebremichael
This work deals with the assessment of particulate matter (PM1, PM2.5, and PM10) over Dire Dawa during the month of May 2021. In the study, purple sensor (PS) and gravimetric methods (GM) were used. The purple sensor was to provide real-time measurements of PM1.0, PM2.5, and PM10 particulates. The GM instruments were constructed using wood with 1 m height (distance to ground), with flat board on t...... hiện toàn bộ
Correction to: Activity of Bambusa vulgaris extract in reducing silver nanoparticles: evaluation against methylene blue organic pollutant and microbial agents
Springer Science and Business Media LLC -
S. S. Prabula, C. Hentry, Saleh Alfarraj, Pankaj Kumar, Mika Sillanpää, M. Aravind
Biorefinery products from algal biomass by advanced biotechnological and hydrothermal liquefaction approaches
Springer Science and Business Media LLC - - 2024
Mathiyazhagan Narayanan
Algal biomass is a promising feedstock for the environmentally friendly production of a diverse range of high-value products, including bioproducts and biofuels. After extracting the essential macro- and biomolecules, the remaining algae biomass can be used as feedstock and processed into valuable additional goods. Advanced biotechnology techniques and efficient hydrothermal liquefaction (HTL) tec...... hiện toàn bộ
Assessment of alternative methods for analysing maximum rainfall spatial data based on generalized extreme value distribution
Springer Science and Business Media LLC -
Thales Rangel Ferreira, Gilberto Rodrigues Liska, Luiz Alberto Beijo
AbstractThe present study aimed to analyze and spatially model maximum rainfall in the southern and southwestern regions of Minas Gerais using spatial statistical methods. Daily data on maximum rainfall were collected from 29 cities in the region. To obtain predictions of maximum rainfall for return periods of 2, 5, 10, 50, and 100 years, Bayesian Inference was emp...... hiện toàn bộ
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