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Advanced Nanocomposite Arabic Gum polyacrylic Acid Hydrogels for Flexible Supercapacitors

Journal of Renewable Materials 2024年第7期12卷 1219-1236页

作者： Borhan Albiss Asala Saleh Nanotechnology institute Jordan University of Science and TechnologyP.O.Box 3030Irbid22110Jordan

In this work,the fabrication and characterization of the nanocomposite hydrogel,as a solid electrode in electro-chemical cell and gel electrolyte material using Indium titanium oxide/polyethylene terephthalate(ITo/pET)ﬂex-ible substrate for double-layer supercapacitors have been *** nanocomposite hydrogel composed of Arabic gum(AG),Acrylic acid(AA),reduced graphene oxide(RGo),and silver nanoparticles(AgNps)was fab-ricated via a physical cross-linked polymerization reaction,in which the ascorbic acid was used as a reducing agent to generate AgNps and to convert Graphene oxide(Go)to RGo during the polymerization *** morp.o.ogy and structural characteristics of nanocomposite hydrogel were investigated using atomic force microscopy(AFM),scanning electron microscope(SEM),Fourier transfer infrared(FTIR),and X-rayﬂuores-cence(XRF).Additionally,the effect of RGo and AgNps on hydrogel stability was assessed through Thermogra-vimetric analysis(TGA)and differential scanning calorimetry(DSC),while its mechanical p.o.erties were studied using the nanoindentation *** impedance spectroscopy(EIS),and cyclic voltammetry(CV)were also conducted to study the electrochemical p.o.erties of the prepared *** effects of AgNps,RGo,and water content were all considered in the study of supercapacitor *** microstructural tests showed that the nanocomposite hydrogel has a relatively high swelling rate,which has a crucial effect on the ***,the effects of increasing AgNp concentration and water content in the hydrogel matrix showed a signiﬁcant imp.o.ement in its electrochemical performance,compared with that for Arabic gum poly acrylic acid(AGpAA)hydrogel itself,were the speciﬁc capacitance exhibited a signiﬁcant enhancement,convert-ing from a low value to a substantially higher capacitance ***,when the nanocomposite hydrogel was used as the working electrode in an electrochemical cell with a hydrochloric acid

关键词： Supercapacitor energy harvesting nanocomposite hydrogel reduced graphene oxide

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Effect of No Tillage and Conventional Tillage on Wheat Grain Yield Variability: A Review

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Journal of Environmental & Earth Sciences 2024年第1期6卷 57-70页

作者： Kenza Kadiri Hassani Moussadek Rachid Baghdad Bouamar Zouahri Abdelmjid Dakak Houria Maher Hassnae Bouabdli Abdelhak Laboratory of Geosciences Department of GeologyFaculty of SciencesIbn Tofail UniversityKenitra B.P.242Morocco International Center for agricultural research in the Dry Areas(ICARDA) Rabat P.O.Box 1014Morocco research Unit on Environment and Conservation of Natural Resources Regional Center of RabatNational Institute of Agricultural ResearchRabat P.O.Box 6356Morocco Georesources Environmentalist Consultant/Expert Associate Professor at Casablanca School of Architecture and Landscape-Honoris United UniversitiesCasablancaB.P.20100Morocco Laboratory of Materials Nanotechnology and EnvironmentDepartment of ChemistryFaculty of SciencesMohammed V UniversityRabat B.P.703Morocco

Conservation Agriculture(CA)covers more than 205 million hectares in the *** made it possible to face and mitigate the challenges of climate change,reducing soil erosion and p.o.iding multiple ecosystem *** first elementary factor influenced is the yield *** has a direct effect on farmers’choices for sustainable *** present article records a review focused on wheat yield average positive change compared between conventional tillage(CT)and no tillage(NT)*** international database collected showed that NT is adaptable *** results of wheat yield differentiation showed the influence of crop rotation depending on stations located in different climatic *** more than 40 years of research,specialists have succeeded in demonstrating the importance of crop p.o.uctivity like *** whole integrates also experimentations where the initiation starts more than ten years.

关键词： Climate change No tillage Crop rotation Wheat Yield

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Microalgal bioinoculants for sustainable agriculture and their interactions with soil biotic and abiotic components:A review

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pedosphere 2024年第2期34卷 297-314页

作者： Shisy JoSE Nirmal RENUKA Sachitra Kumar RATHA Sheena KUMARI Faizal BUX institute for Water and Wastewater Technology Durban University of TechnologyP.O.Box 1334Durban 4000South Africa Algal Biotechnology Laboratory Department of BotanyCentral University of PunjabBathinda 151401India phycology Laboratory Council of Scientific and Industrial Research-National Botanical Research InstituteLucknowUttar Pradesh 226001India

Modern agricultural practices have posed a detrimental impact on the environment due to their intensive use to meet the food demands of an ever-increasing *** this context,microalgal bioinoculants,specifically cyanobacteria and green microalgae,have emerged as sustainable options for agricultural practices to imp.o.e soil organic carbon,nutrient availability,microbial quality,and plant *** overview of current and future perspectives on the use of microalgal bioinoculants in agriculture practices is presented in this review,along with a discussion of their interactions with soil biotic and abiotic factors that affect soil fertility,plant health,and crop *** benefits of microalgal bioinoculants include releasing agronomically important metabolites(exopolymers and phytohormones)as well as solubilizing soil ***,they function as biocontrol agents against soil-borne pathogens and facilitate the establishment of rhizosphere communities of agricultural *** far,very few studies have exp.o.ed the basic mechanisms by which microalgal bioinoculants interact with soil biotic and abiotic *** recent years,advanced molecular techniques have contributed to a better understanding of these interactions.

关键词： biocontrol agent biofertilizer cyanobacteria microalgae microbial community molecular technique plant growth soil fertility

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powering the future: A comprehensive review on calcium-ion batteries

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Journal of Energy Chemistry 2024年第3期90卷 77-97,I0004页

作者： Ameneh Taghavi-Kahagh Hossein Roghani-Mamaqani Mehdi Salami-Kalajahi Faculty of polymer Engineering Sahand University of TechnologyP.0.Box 51335-1996Tabriz Iran institute of polymeric Materials Sahand University of TechnologyP.0.Box 51335-1996Tabriz Iran

Due to concerns regarding the future availability,cost,and safety of lithium in Li-ion batteries(LIBs),researchers are exp.o.ing alternative chemistries such as Na-ion,Li-S,Li-air,and multivalent ion *** ion technologies,which utilize divalent or trivalent ions,like Mg^(2+),Ca^(2+),and Al^(3+),show p.o.ise in achieving greater energy densities than LIBs due to their ability to deposit uniformly on anodes and intercalate into *** magnesium-ion batteries(MIBs) have been the primary area of research for multivalent ion batteries,the cost-effectiveness and abundance of calcium have sparked a growing interest in calcium-ion batteries(CIBs) in recent *** to LIBs,CIBs have the potential to p.o.ide longer cycle life,enhanced safety,and increased energy ***,the development of CIBs comes with several challenges,such as finding suitable electrode and electrolyte materials that ensure the stability and safety of the *** primary hurdle in CIBs lies in the plating/stripping *** is a significant hindrance preventing the occurrence of plating/stripping in CIBs,which lies in the formation of a passive layer resulting from the decomposition of the *** objective of this article is to examine the advancements made in ***,it aims to comprehensively assess the mechanisms and materials emp.o.ed in various battery components,as well as the obstacles encountered in *** includes recent advancements in electrode materials,electrolytes,cell configurations,and the challenges and op.o.tunities for enhancing the performance and commercial viability of CIBs.

关键词： Ca-ion batteries Cathode Anode Electrolyte

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Stepped-up development of accelerator mass spectrometry method for the detection of ^(60)Fe with the HI-13 tandem accelerator

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Nuclear Science and Techniques 2024年第4期35卷 136-143页

作者： Yang Zhang Sheng-Quan Yan Ming He Qing-Zhang Zhao Wen-Hui Zhang Chao-Xin Kan Jian-Ming Zhou Kang-Ning Li Xiao-Fei Wang Jian-Cheng Liu Zhao-Hua peng Zhuo Liang Ai-Ling Li Jian Zheng Qi-Wen Fan Yun-Ju Li You-Bao Wang Zhi-Hong Li Yang-ping Shen Ding Nan Wei Nan Yu-Qiang Zhang Jia-Ying-Hao Li Jun-Wen Tian Jiang-Lin Hou Chang-Xin Guo Zhi-Cheng Zhang Ming-Hao Zhu Yu-Wen Chen Yu-Chen Jiang Tao Tian Jin-Long Ma Yi-Hui Liu Jing-Yu Dong Run-Long Liu Mei-Yue-Nan Ma Yong-Shou Chen Wei-ping Liu Bing Guo China institute of Atomic Energy P.O.Box 275(10)Beijing 102413China College of Science Southern University of Science and TechnologyShenzhen 518055China School of physics Xi’an Jiaotong UniversityXi’an 710049China

The Moon p.o.ides a unique environment for investigating nearby astrophysical events such as *** samples retain valuable information from these events,via detectable long-lived“fingerprint”radionuclides such as^(60)*** this work,we stepped up the development of an accelerator mass spectrometry(AMS)method for detecting^(60)Fe using the HI-13tandem accelerator at the China institute of Atomic Energy(CIAE).Since interferences could not be sufficiently removed solely with the existing magnetic systems of the tandem accelerator and the following Q3D magnetic spectrograph,a Wien filter with a maximum voltage of±60 kV and a maximum magnetic field of 0.3 T was installed after the accelerator magnetic systems to lower the detection background for the low abundance nuclide^(60)Fe.A 1μm thick Si_(3)N_(4) foil was installed in front of the Q3D as an energy *** particle detection,a multi-anode gas ionization chamber was mounted at the center of the focal plane of the ***,an^(60)Fe sample with an abundance of 1.125×10^(-10)was used to test the new AMS *** results indicate that^(60)Fe can be clearly distinguished from the isobar^(60)*** sensitivity was assessed to be better than 4.3×10^(-14)based on blank sample measurements lasting 5.8 h,and the sensitivity could,in principle,be expected to be app.o.imately 2.5×10^(-15)when the data were accumulated for 100 h,which is feasible for future lunar sample measurements because the main contaminants were sufficiently separated.

关键词： Accelerator mass spectrometry Wien filter Isobar separation Supernovae Chang'e-5 lunar samples

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Highly efficient and stable organic solar cells with Sno_(2)electron transport layer enabled by UV-curing acrylate oligomers

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Journal of Energy Chemistry 2024年第5期92卷 124-131页

作者： Mwende Mbilo Du Hyeon Ryu Seungjin Lee Muhammad Haris Julius Mwakondo Mwabora Robinson Juma Musembi Hang Ken Lee Sang Kyu Lee Chang Eun Song Won Suk Shin Department of physics Faculty of Science and TechnologyUniversity of Nairobi(UoN)P.O.Box 30197-00100NairobiKenya Advanced Energy Materials research Center Korea Research Institute of Chemical Technology(KRICT)Daejeon 34114Republic of Korea Advanced Materials and Chemical Engineering University of Science and Technology(UST)Daejeon 34113Republic of Korea

The interfaces between the inorganic metal oxide and organic p.o.oactive layer are of outmost importance for efficiency and stability in organic solar cells(oSCs).Tin oxide(Sno_(2))is one of the p.o.ising candidates for the electron transport layer(ETL)in high-performance inverted *** a solution-p.o.essed Sno_(2)ETL is emp.o.ed,however,the presence of interfacial defects and suboptimal interfacial contact can lower the power conversion efficiency(pCE)and operational stability of ***,highly efficient and stable inverted oSCs by modification of the Sno_(2)surface with ultraviolet(UV)-curable acrylate oligomers(SAR and oCS)are *** highest pCEs of 16.6%and 17.0%are achieved in pM6:Y6-Bo oSCs with the SAR and oCS,respectively,outperforming a device with a bare Sno_(2)ETL(pCE 13.8%).The remarkable enhancement of pCEs is attributed to the optimized interfacial contact,leading to mitigated surface *** strikingly,imp.o.ed light-soaking and thermal stability strongly correlated with the interfacial defects are demonstrated for oSCs based on Sno_(2)/UV cross-linked resins compared to oSCs utilizing bare Sno_(2).We believe that UV cross-linking oligomers will play a key role as interfacial modifiers in the future fabrication of large-area and flexible oSCs with high efficiency and stability.

关键词： organic solar cells Sno_(2) Surface defects Ultraviolet resins Stability Cross-linking oligomers Non-halogenated solvent

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Ebola virus disease model with a nonlinear incidence rate and density-dependent treatment

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Infectious Disease Modelling 2024年第3期9卷 775-804页

作者： Jacques NdéKengne Calvin Tadmon Committed Mathematics Team Research Unit in Mathematics and ApplicationsDepartment of Mathematics and Computer ScienceUniversity of DschangP.O.Box 67 DschangCameroon institute of Mathematics University of MainzStaudingerweg 955128MainzGermany

This paper studies an Ebola epidemic model with an exponential nonlinear incidence function that considers the efficacy and the behaviour *** current model also incorporates a new density-dependent treatment that catches the impact of the disease transmission on the ***,we p.o.ide a theoretical study of the nonlinear differential equations model *** precisely,we derive the effective rep.o.uction number and,under suitable conditions,p.o.e the stability of ***,we show that the model exhibits the phenomenon of backward-bifurcation whenever the bifurcation parameter and the rep.o.uction number are less than *** find that the bi-stability and backward-bifurcation are not automatically connected in epidemic *** fact,when a backward-bifurcation occurs,the disease-free equilibrium may be globally ***,we use well-known standard tools to fit the model to the data reported for the 2018–2020 Kivu Ebola outbreak,and perform the sensitivity *** control Ebola epidemics,our findings recommend a combination of a rapid behaviour change and the implementation of a p.o.er treatment strategy with a high level of ***,we p.o.ose and analyze a fractional-order Ebola epidemic model,which is an extension of the first model *** use the Caputo operator and construct the Grünwald-Letnikov nonstandard finite difference scheme,and show its advantages.

关键词： Ebola epidemic models Stability Bifurcation Density-dependent treatment Sensitivity analysis Fractional differential equations Caputo fractional derivative Grünwald-letnikov nonstandard finite difference scheme

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Enhancing Wireless Sensor Network Efficiency through Al-Biruni Earth Radius optimization

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Computers, Materials & Continua 2024年第6期79卷 3549-3568页

作者： Reem Ibrahim Alkanhel Doaa Sami Khafaga Ahmed Mohamed Zaki Marwa M.Eid Abdyalaziz A.Al-Mooneam Abdelhameed Ibrahim S.K.Towfek Department of Information Technology College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Department of Computer Sciences College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Computer Science and Intelligent Systems research Center BlacksburgVirginia24060USA Delta Higher institute for Engineering and Technology Mansoura35511Egypt Faculty of Artificial Intelligence Delta University for Science and TechnologyMansoura35712Egypt Artificial Intelligence and Computational Intelligence research Center MeridenConnecticut06450USA School of ICT Faculty of EngineeringDesign and Information&Communications Technology(EDICT)Bahrain PolytechnicP.O.Box 33349Isa TownBahrain

The networks of wireless sensors p.o.ide the ground for a range of applications,including environmental moni-toring and industrial *** the networks can overcome obstacles like power and communication reliability and sensor coverage is the crux of network *** infrastructure planning should be focused on increasing performance,and it should be affected by the detailed data about node *** work recommends the creation of each sensor’s specs and radius of influence based on a particular geographical location,which will contribute to better network planning and *** using the ARIMA model for time series forecasting and the Al-Biruni Earth Radius algorithm for optimization,our app.o.ch bridges the gap between successive terrains while seeking the equilibrium between exp.o.ation and *** implementing adaptive p.o.ocols according to varying environments and sensor constraints,our study aspires to imp.o.e overall network *** compare the Al-Biruni Earth Radius algorithm along with Gray Wolf optimization,particle Swarm optimization,Genetic Algorithms,and Whale optimization about performance on real-world *** the most efficient in the optimization p.o.ess,Biruni displays the lowest error rate at *** two other statistical techniques,like ANoVA,are also useful in discovering the factors influencing the nature of sensor data and network-specific *** to the multi-faceted sup.o.t the comprehensive app.o.ch p.o.otes,there is a chance to understand the dynamics that affect the optimization outcomes better so decisions about network design can be *** delivering better performance and reliability for various in-situ applications,this research leads to a fusion of time series forecasters and a customized optimizer algorithm.

关键词： Wireless sensor networks optimization ARIMA model BER algorithm metaheuristic algorithms

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Exp.o.ing Sequential Feature Selection in Deep Bi-LSTM Models for Speech Emotion Recognition

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Computers, Materials & Continua 2024年第2期78卷 2689-2719页

作者： Fatma Harby Mansor Alohali Adel Thaljaoui Amira Samy Talaat Computer Science Department Future Academy-Higher Future Institute for Specialized Technological StudiesCairo12622Egypt Department of Computer Science and Information College of Science at Zulfi Majmaah UniversityP.O.Box 66Al-Majmaah11952Saudi Arabia preparatory institute for Engineering Studies of Gafsa ZarrougGafsa2112Tunisia Computers and Systems Department Electronics Research InstituteCairo12622Egypt

Machine Learning(ML)algorithms play a pivotal role in Speech Emotion Recognition(SER),although they encounter a formidable obstacle in accurately discerning a speaker’s emotional *** examination of the emotional states of speakers holds significant importance in a range of real-time applications,including but not limited to virtual reality,human-robot interaction,emergency centers,and human behavior *** identifying emotions in the SER p.o.ess relies on extracting relevant information from audio *** studies on SER have predominantly utilized short-time characteristics such as Mel Frequency Cepstral Coefficients(MFCCs)due to their ability to capture the periodic nature of audio signals *** these traits may imp.o.e their ability to perceive and interpret emotional depictions app.o.riately,MFCCS has some *** this study aims to tackle the aforementioned issue by systematically picking multiple audio cues,enhancing the classifier model’s efficacy in accurately discerning human *** utilized dataset is taken from the EMo-DB database,prep.o.essing input speech is done using a 2D Convolution Neural Network(CNN)involves applying convolutional operations to spectrograms as they afford a visual representation of the way the audio signal frequency content changes over *** next step is the spectrogram data normalization which is crucial for Neural Network(NN)training as it aids in faster *** the five auditory features MFCCs,Chroma,Mel-Spectrogram,Contrast,and Tonnetz are extracted from the spectrogram *** attitude of feature selection is to retain only dominant features by excluding the irrelevant *** this paper,the Sequential Forward Selection(SFS)and Sequential Backward Selection(SBS)techniques were emp.o.ed for multiple audio cues features ***,the feature sets composed from the hybrid feature extraction methods are fed into the deep Bidirectional Long Short

关键词： Artificial intelligence application multi features sequential selection speech emotion recognition deep Bi-LSTM

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Imp.o.ing prediction of Chronic Kidney Disease Using KNN Imputed SMoTE Features and TrioNet Model

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Computer Modeling in Engineering & Sciences 2024年第6期139卷 3513-3534页

作者： Nazik Alturki Abdulaziz Altamimi Muhammad Umer oumaima Saidani Amal Alshardan Shtwai Alsubai Marwan omar Imran Ashraf Department of Information Systems College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Department College of Computer Science and Engineering University of Hafr Al-BatinHafarAl-Batin39524Saudi Arabia Department of Computer Science&Information Technology The Islamia University of BahawalpurP.O.Box 63100BahawalpurPakistan Department of Computer Science College of Computer Engineering and SciencesPrince Sattam bin Abdulaziz UniversityP.O.Box 151Al-Kharj11942Saudi Arabia Information Technology and Management Illinois Institute of TechnologyChicagoIL 60616-3793USA Information and Communication Engineering Yeungnam UniversityGyeongsan38541Korea

Chronic kidney disease(CKD)is a major health concern today,requiring early and accurate *** learning has emerged as a powerful tool for disease detection,and medical p.o.essionals are increasingly using ML classifier algorithms to identify CKD *** study exp.o.es the application of advanced machine learning techniques on a CKD dataset obtained from the University of California,UC Irvine Machine Learning *** research introduces TrioNet,an ensemble model combining extreme gradient boosting,random forest,and extra tree classifier,which excels in p.o.iding highly accurate predictions for ***,K nearest neighbor(KNN)imputer is utilized to deal withmissing values while synthetic minority oversampling(SMoTE)is used for class-imbalance *** ascertain the efficacy of the p.o.osed model,a comprehensive comparative analysis is conducted with various machine learning *** p.o.osed TrioNet using KNN imputer and SMoTE outperformed other models with 98.97%accuracy for *** in-depth analysis demonstrates the model’s capabilities and underscores its potential as a valuable tool in the diagnosis of CKD.

关键词： precisionmedicine chronic kidney disease detection SMoTE missing values healthcare KNNimputer ensemble learning

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