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Sectorial Approach of the Gradient Observability of the Hyperbolic Semilinear Systems Intern and Boundary Cases

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Applied Mathematics 2016年第12期7卷 1326-1339页

作者： adil khazari Ali Boutoulout Laboratory of Modeling Analysis & Computer Science (MACS) Department of Mathematics and Computer Science Faculty of Sciences Moulay Ismail University Meknes Morocco

The aim of this paper is to study the notion of the gradient observability on a subregion w of the evolution domain W and also we consider the case where the subregion of interest is a boundary part of the system evolution domain for the class of semilinear hyperbolic systems. We show, under some hypotheses, that the flux reconstruction is guaranteed by means of the sectorial approach combined with fixed point techniques. This leads to several interesting results which are performed through numerical examples and simulations.

关键词： Distributed Systems Semilinear Hyperbolic Systems Boundary Reconstruction Regional Boundary Gradient Observability Regional Gradient Observability Gradient Observability Fixed Point Sectorial Operator

Gradient Observability for Semilinear Hyperbolic Systems: Sectorial Approach

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Intelligent Control and Automation 2014年第3期5卷 170-181页

作者： adil khazari Ali Boutoulout TSI Team MACS Laboratory Department of Mathematics & Computer Faculty of Sciences Moulay Ismail University Meknes Morocco

The aim of this work is to study the notion of the gradient observability on a subregion?ω of the evolution domain?Ω for a class of semilinear hyperbolic systems. We show, under some hypothesis, that the gradient reconstruction is achieved following sectorial approach combined with fixed point techniques. The obtained results lead to an algorithm which can be implemented numerically.

关键词： Distributed Systems Hyperbolic Systems Gradient Reconstruction Regional Observability Fixed Point Sectorial Operator

On stability behaviors of 5D M-theory black objects

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Communications in Theoretical Physics 2024年第5期76卷 94-101页

作者： adil Belhaj Abderrahim Bouhouch Departement de Physique Equipe des Sciences de la matiere et du rayonnementESMaR Faculte des SciencesUniversite Mohammed V de RabatRabatMorocco

Using N=2 supergravity formalism,we investigate certain behaviors of five-dimensional black objects from the compactification of M-theory on a Calabi-Yau *** manifold has been constructed as the intersection of two homogeneous polynomials of degrees(ω+2,1)and(2,1)in a product of two weighted projective spaces given by WP^(4)(ω,1,1,1,1)×P^(1).First,we determine the allowed electric charge regions of the BPS and non BPS black holes obtained by wrapping M2-branes on appropriate two cycles in such a proposed Calabi-Yau *** that,we calculate the entropy of these solutions which takes a maximal value corresponding to ω=1 defining the ordinary projective space P^(4).For generic values of ω,we show that the non BPS states are ***,we conduct a similar study of five-dimensional black *** the allowed magnetic charge regions of the BPS and non BPS black stringy solutions derived from M5-branes on dual divisors,we calculate the tension taking a minimal value for P^(4).By determining the recombination factor,we show that the non-BPS black string states are stable in the allowed regions in the magnetic charge space.

关键词： M-theory Calabi-Yau manifolds black holes black strings stability behaviors

Hydroelectric and Hydrogen Storage Systems for Electric Energy Produced from Renewable Energy Sources

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Energy Engineering 2024年第10期121卷 2719-2741页

作者： Saif Serag adil Echchelh Biagio Morrone Department of Engineering Universitàdella Campania“Luigi Vanvitelli”Aversa(CE)81031Italy Laboratory of Electronics Treatment Information Mechanic and EnergeticUniversity of Ibn TofailKenitra14000Morocco

Renewable energy sources are essential formitigating the greenhouse effect and supplying energy to resource-scarce ***,their intermittent nature necessitates efficient storage solutions to enhance system efficiency and manage energy *** paper investigates renewable and clean storage systems,specifically examining the storage of electricity generated from renewable sources using hydropower plants and hydrogen,both of which are highly efficient and promising for future energy production and *** study utilizes extensive literature data to analyze the impact of various parameters on the cost per kWh of electricity production in hybrid renewable systems incorporating hydropower and hydrogen storage *** indicate that these hybrid systems can store electricity efficiently and cost-effectively,with production costs ranging from 0.126 to 0.3$/kWh for renewablehydropower systems and 0.118 to 0.42$/kWh for renewable-hydrogen systems,with expected cost reductions over the next decade due to technological advancements and increased market *** novelty of this study lies in its comprehensive comparison of hybrid renewable systems integrating hydropower and hydrogen storage,providing detailed cost analysis and future *** identifies key parameters influencing the cost and efficiency of these systems,offering insights into optimizing storage solutions for renewable ***,this research underscores the potential of hybrid systems to reduce dependency on fossil fuels,particularly during peak demand periods,and emphasizes the importance of seasonal and geographic considerations in selecting energy *** study highlights the importance of policy support and investment in hybrid renewable systems and calls for further research into optimizing these systems for different seasonal and geographic ***,the integration of renewable energy sources with hydropower and hydrogen storage offers a promising pathwa

关键词： Energy storage hydropower hydrogen renewable energy hybrid system

Multiple thoracic and abdominal foregut duplication cysts:A case report

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World Journal of Clinical Cases 2024年第8期12卷 1504-1509页

作者： Tuqa adil Alsinan Tariq Ibrahim Altokhais Department of Pediatric Surgery Prince Sultan Military Medical CityRiyadh 12233Saudi Arabia Devision of Pediatric Surgery Department of SurgeryCollege of MedicineKing Saud UniversityRiyadh 4545Saudi Arabia

BACKGROUND Congenital enteric duplication cysts are tubular or cystic structures that normally lie alongside the gastrointestinal(GI)*** duplication cysts are typically solitary lesions that occur anywhere near the GI tract from the neck to the rectum,but having multiple duplication cysts is rare,and presentation within the pancreas is extremely *** SUMMARY We herein demonstrate a case of esophageal,gastric,and gastric-type duplication cyst of the pancreas in a seventeen-month-old girl who presented with failure to thrive,abdominal pain,vomiting,hematemesis,and melena since the age of three *** cysts were excised by thoracoscopy and laparoscopy in the same *** our knowledge,no such case has been *** Enteric duplications can occur throughout the entire alimentary *** they occur in the pancreas,they present a formidable challenge in both diagnosis and *** to the risk of complications and malignant transformation,surgical removal is the recommended treatment of all duplication cysts.

关键词： Congenital Duplication cyst Foregut duplication Gastric duplication Pancreas Case report

Experimental study and numerical modeling of the thermal behavior of an industrial prototype ceramic furnace:Energy and environmental optimization

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Energy and Built Environment 2024年第2期5卷 244-254页

作者： Lahcen BALLI Mohamed HLIMI Youssef ACHENANI adil ATIFI Bachir HAMRI Engineering Sciences and Applications Laboratory(LSIA) National School of Applied Sciences(ENSAH)Abdelmalek Essaadi UniversityTetouanMorocco Faculty of Sciences and Techniques Moulay Ismaïl UniversityP.O.Box 509-BoutalamineErrachidiaMorocco Engineering and Health Sciences and Technologies Research Center M2SMENSAMMohammed.V UniversityRabatMorocco Research Team Quality Maintenance Safety QSMMechanical EngineeringDepartment Mohammadia School of EngineersMohammed V UniversityRabatMorocco

This article focuses on the experimental and numerical study of an industrial prototype furnace intended for the production of ceramics in order to improve the energy efficiency and therefore optimize the fuel consumption and the corresponding carbon dioxide *** order to understand the thermal behavior from which stems the energy efficiency of the experimental prototype,we establish in this work,a simplified modeling allowing to establish a mathematical model describing the thermal behavior of the *** model is able to accurately predict the spatial and temporal distribution of the temperature at each point of the furnace to control the firing of the refractory product so that the final product is of good quality in terms of resistance and *** addition,the power consumed by the prototype must be optimized in order to reduce energy and environmental *** particular,this efficient technology has allowed us to save 83% of energy used in the traditional furnace and to reduce 87.36% of the relative carbon dioxide *** simulation of the mathematical model made it possible to compare the numerical results with the experimental measurements obtained by the prototype as well as to validate the model and to adjust the heat transfer parameters.

关键词： Numerical modeling Thermal behavior Ceramic furnace Refractory materials Energy efficiency

Bioinspired integrated triboelectric electronic tongue

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Microsystems & Nanoengineering 2024年第3期10卷 97-108页

作者： Jiaming Liu Jingui Qian Murtazt adil Yali Bi Haoyi Wu Xuefeng Hu Zuankai Wang Wei Zhang Anhui Province Key Laboratory of Measuring Theory and Precision Instruments School of Instrumental Science and Optoelectronics EngineeringHefei University of Technology230009 HefeiAnhuiChina School of Physics and Optoelectronic Engineering Guangdong University of Technology510006 GuangzhouGuangdongChina Department of Mechanical Engineering The Hong Kong Polytechnical UniversityHong Kong SARChina

An electronic tongue(E-tongue)comprises a series of sensors that simulate human perception of taste and embedded artificial intelligence(AI)for data analysis and *** E-tongues based on electrochemical methods suffer from a bulky size and require larger sample volumes and extra power sources,limiting their applications in in vivo medical diagnosis and analytical *** by the mechanics of the human tongue,triboelectric components have been incorporated into E-tongue platforms to overcome these *** this study,an integrated multichannel triboelectric bioinspired E-tongue(TBIET)device was developed on a single glass slide chip to improve the device’s taste classification accuracy by utilizing numerous sensory *** detection capability of the TBIET was further validated using various test samples,including representative human body,environmental,and beverage *** TBIET achieved a remarkably high classification *** instance,chemical solutions showed 100%identification accuracy,environmental samples reached 98.3%accuracy,and four typical teas demonstrated 97.0%***,the classification accuracy of NaCl solutions with five different concentrations reached 96.9%.The innovative TBIET exhibits a remarkable capacity to detect and analyze droplets with ultrahigh sensitivity to their electrical ***,it offers a high degree of reliability in accurately detecting and analyzing various liquid samples within a short *** development of a self-powered portable triboelectric E-tongue prototype is a notable advancement in the field and is one that can greatly enhance the feasibility of rapid on-site detection of liquid samples in various settings.

关键词： electronic utilizing overcome

Immunomodulatory activity of polycaprolactone nanoparticles with calcium phosphate salts against Leishmania infantum infection

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Asian Pacific Journal of Tropical Biomedicine 2024年第8期14卷 359-368页

作者： Kübra Kelleci adil Allahverdiyev Melahat Bağırova Murat Ihlamur EmrahŞefik Abamor Department of Bioengineering Yildiz Technical UniversityIstanbulTurkey V.Akhundov National Scientific Research Medical Prophylactic Institute BakuAzerbaijan Department of Electronics and Automation Biruni UniversityIstanbulTurkey

Objective:To prepare and characterize polycaprolactone(PCL)nanoparticles loaded with sonicator fragmented(SLA)and freeze-thaw Leishmania antigens(FTLA)and to investigate the in vitro immunogenicity of antigen-encapsulated nanoparticles with calcium phosphate ***:The water/oil/water binary emulsion solvent evaporation method was used to synthesize antigen-loaded PCL *** were characterized by scanning electron microscopy and zeta potential *** cytotoxicity in J774 macrophages in vitro was determined by MTT *** addition,the amount of nitric oxide and the level of cytokines produced by macrophages were determined by Griess reaction and ELISA method,*** protective effect of the developed formulations was evaluated by determining the infection index percentage in macrophages infected with Leishmania ***:Compared to the control group,SLA PCL and FTLA PCL nanoparticles with calcium phosphate adjuvant induced a 6-and 7-fold increase in nitric oxide,***,the vaccine formulations promoted the production of IFN-γand *** PCL and FTLA PCL nanoparticles combined with calcium phosphate adjuvant caused an approximately 13-and 11-fold reduction in infection index,respectively,compared to the control ***:The encapsulation of antigens obtained by both sonication and freeze-thawing into PCL nanoparticles and the formulations with calcium phosphate adjuvant show strong in vitro immune stimulating ***,PCL-based antigen delivery systems and calcium phosphate adjuvant are recommended as a potential vaccine candidate against leishmaniasis.

关键词： Leishmaniasis Calcium phosphate Polycaprolactone Nanoparticle Antigen delivery system Adjuvant Vaccine design

3D electromagnetic modelling for high-temperature superconducting dynamo flux pumps using T-A formulation

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High Voltage 2024年第2期9卷 367-379页

作者： Luning Hao Fangliang Dong Jintao Hu Qi Wang Haigening Wei Ismail Patel adil Shah Yuyang Wu Tim Coombs Department of Engineering University of CambridgeCambridgeUK Plasma Science and Fusion Center Massachusetts Institute of TechnologyCambridgeMassachusettsUSA

A high-temperature superconducting(HTS)dynamo flux pump can inject DC currents into closed-loop HTS magnets without *** enables the realisation of current-lead-free or even through-wall charging systems for high-field applications such as nuclear magnetic resonance/magnetic resonance imaging(MRI)magnets,fusion reactors and *** have proposed many simulation models to understand the working principle of HTS dynamos,few of which are in 3D because of converging ***,the influences of many key 3D parameters in the HTS dynamo are scarcely *** authors propose an efficient 3D modelling method of the HTS dynamo based on the T-A *** rotating magnets are modelled by a ring-shaped permanent magnet with space-time-variant remanent flux density to avoid moving ***,together with the T-A formulation,makes the 3D model efficient and *** accuracy of the model is verified by the experimental instantaneous and time-integrated dynamic *** this model,the authors present systematic case studies to thoroughly explore the influences of the key parameters of a dynamo flux pump on the dynamic voltage and *** proposed modelling method and results could significantly benefit the design and optimisation of HTS dynamos for high-field magnets.

关键词： formulation magnets pump