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Stabilization of fractional bilinear systems with multiple inputs

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Applied Mathematics(A Journal of Chinese Universities) 2023年第1期38卷 78-88页

作者： Thouraya Kharrat Fehmi Mabrouk Fawzi omri Department of Mathematics Faculty of Sciences of SfaxUniversity of SfaxTunisia

In this paper,we study in a constructive way the stabilization problem of fractional bilinear systems with multiple *** the quadratic Lyapunov functions and some additional hypotheses on the unit sphere,we construct stabilizing feedback laws for the considered fractional bilinear system.A numerical example is given to illustrate the efficiency of the obtained result.

关键词： stabilization fractional system bilinear system multiple inputs Lyapunov functions

The neurobiology of targeted muscle reinnervation for post-amputation pain

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Plastic and Aesthetic Research 2023年第1期10卷 501-512页

作者： Natalie Tanner omri Ayalon Drexel University College of Medicine PhiladelphiaPA 19129USA Department of Orthopedic Surgery NYU Langone Medical CenterNew YorkNY 10010USA

Targeted muscle reinnervation(TMR)is a peripheral nerve procedure that can prevent and treat postamputation *** nerve transfer allows for organized nerve regeneration and repair after amputation *** procedure can successfully prevent neuromas despite large size mismatches between the donor and recipient ***,we discuss the fundamentals of peripheral nerve injury and regeneration as it pertains to *** propose axonal pruning to explain axon behavior when there are large size mismatches between transferred *** the increasing use of TMR for amputees,future studies should investigate the basic science of peripheral nerves in *** in this field have the potential to significantly improve clinical outcomes for these patients.

关键词： Targeted muscle reinnervation peripheral nerve injury nerve regeneration axonal pruning

Inositol Polyphosphate Phosphatidylinositol 5-Phosphatase9 （At5PTase9） Controls Plant Salt Tolerance by Regulating Endocytosis

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Molecular Plant 2013年第6期6卷 1781-1794页

作者： Yael Golania Yuval Kaye omri Gilhar Mustafa Ercetin Glenda Gillaspy Alex Levine Department of Plant and Environmental Sciences The Hebrew University of Jerusalem Givat-Ram Campus Jerusalem 91904 Israel Department of Biochemistry and Fralin Biotechn01ogy Center Virginia T'ech Blacksburg VA 24061 USA

Phosphatidylinositol 5-phosphatases （5PTases） components of membrane trafficking system. Recently, we that hydrolyze the 5＇ position of the inositol ring are key reported that mutation in AtSPTase7 gene reduced produc- tion of reactive oxygen species （ROS） and decreased expression of stress-responsive genes, resulting in increased salt sensitivity. Here, we describe an even more salt-sensitive 5ptase mutant, At5ptase9, which also hydrolyzes the 5＇ phos- phate groups specifically from membrane-bound phosphatidylinositides. Interestingly, the mutants were more tolerant to osmotic stress. We analyzed the main cellular processes that may be affected by the mutation, such as production of ROS, influx of calcium, and induction of salt-response genes. The At5ptase9 mutants showed reduced ROS produc- tion and Ca2~ influx, as well as decreased fluid-phase endocytosis. Inhibition of endocytosis by phenylarsine oxide or Tyrphostin A23 in wild-type plants blocked these responses. Induction of salt-responsive genes in wild-type plants was also suppressed by the endocytosis inhibitors. Thus, inhibition of endocytosis in wild-type plants mimicked the salt stress responses, observed in the AtSptase9 mutants. In summary, our results show a key non-redundant role of At5PTase7 and 9 isozymes, and underscore the localization of membrane-bound Ptdlns in regulating plant salt tolerance by coordinating the endocytosis, ROS production, Ca2＋ influx, and induction of stress-responsive genes.

关键词： abiotic/environmental stress oxidative and photo-oxidative stress salinity protein traffic and secretion gene expression Arabidopsis.

Synthesis, Surface Characterization and Photocatalytic Activity of TiO_2 Supported on Almond Shell Activated Carbon

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Journal of Materials Science & Technology 2014年第9期30卷 894-902页

作者： A.omri S.D.Lambert J.Geens F.Bennour M.Benzina Laboratory of Water-Energy-Environment (LR35 Code: AD-10-02 National School of Engineers of SfaxUniversity of SfaxBP W 3038 Sfax Tunisia Laboratory of Chemical Engineering B6a University of LiègeB-4000 Liège Belgium Tunisian Chemical Group Sfax -Tunisia B.P 393/3018 Tunisia

Three types of photocatalysts were synthesized by metal organic chemical vapor deposition and impregnation methods using the almond shell activated carbon as support. These photocatalysts denoted by （TiO2/ASAC （V）, TiO2/ASAC （11） and TiO2/ASAC （12）） were characterized by scanning electron microscopy （SEM）, X-ray diffraction （XRD）, Fourier transform infrared spectroscopy （FTIR）, diffuse reflectance spectroscopy （DRS） and nitrogen adsorption-desorption isotherms. SEM observation shows that TiO2 was deposited on activated carbon surface. XRD results confirm that TiO2 existed in a mixture of anatase and rutile phases. The DRS spectra show the characteristic absorption edge of TiO2 at approximate 380 nm corresponding to the optical band gap of 3.26 eV. Besides, FTIR spectrum indicated the presence of （Ti-O） groups. The specific surface area of photocatalysts decreased drastically in comparison with the original activated carbon. The catalysts were very efficient for the photodegradation of total organic carbon （TOC） from industrial phosphoric acid solution under UV irradiation. The kinetics of photocatalytic TOC degradation was found to follow a pseudo- first-order model. The prepared TiO2/ASAC showed high photoactivity for the photodegradation of TOC in the following order： TiO2/ASAC （V）〉 TiO2/ASAC （11）〉 TiO2/ASAC （12）〉 ASAC 〉 TiO2 （P25）.

关键词： Almond shell activated carbon Photocatalyst Vapor deposition Impregnation Total organic carbon

Analysis of Flow Structure in Microturbine Operating at Low Reynolds Number

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Computers, Materials & Continua 2022年第4期71卷 961-977页

作者： Mohamed omri Yusuf Al-Turki Ahmed A.Alghamdi Amrid Amnache Luc G.Fréchette King Abdulaziz University Deanship of Scientific ResearchJeddahSaudi Arabia King Abdulaziz University Electrical and Computer Engineering DepartmentJeddahSaudi Arabia Universitéde Sherbrooke Interdisciplinary Institute for Technological Innovation(3IT)SherbrookeCanada

In this paper,three-dimensional flows in laminar subsonic cascades at relatively low Reynolds numbers(Re<2500)are presented,based on numerical *** stator and rotor blade designs are those for a MEMS-based Rankine microturbine power-plant-on-a-chip with 109-micron chord *** passage calculations in 3D were done for different Reynolds numbers,tip clearances(from 0 to 20%)and incidences(0◦to 15◦)to determine the impact of aerodynamic conditions on the flow *** conditions are applied to a blade passage for a stationary outer *** 3D blade passage without tip clearance indicates the presence of two large symmetric vortices due to the interaction between hub/casing boundary layers and the *** the tip clearance introduces the tip vortex,which tends to become dominant above a tip clearance of 10%.In addition to providing a description and understanding of the 3D flow in a MEMS microturbine,these results suggest the importance of considering 3D flows in the design of microturbomachinery,even though the geometry is dominantly 2D.

关键词： Microturbomachinery turbine vortex internal flows secondary flows

Wave Propagation Model in a Human Long Poroelastic Bone under Effect of Magnetic Field and Rotation

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Computers, Materials & Continua 2021年第8期68卷 1485-1504页

作者： A.M.Abd-Alla Hanaa Abu-Zinadah S.M.Abo-Dahab J.Bouslimi M.omri Department of Mathematics Sohag UniversitySohagEgypt Department of Statistics University of JeddahCollege of ScienceJeddahSaudi Arabia Department of Mathematics South Valley UniversityQena83523Egypt Department of Engineering Physics and Instrumentation National Institute of Applied Sciences and TechnologyCarthage UniversityTunisia Department of Physics Taif UniversityTaifSaudi Arabia Deanship of Scientific Research King Abdulaziz UniversityJeddahSaudi Arabia

This article is aimed at describing the way rotation and magnetic field affect the propagation of waves in an infinite poroelastic cylindrical *** offers a solution with an exact closed *** authors got and examined numerically the general frequency equation for poroelastic ***,they calculated the frequencies of poroelastic bone for different values of the magnetic field and *** the results of previous studies,the authors noticed little frequency dispersion in the wet *** proposed model will be applicable to wide-range parametric projects of bone mechanical *** the vibration of surface waves in rotating cylindrical,long human bones under the magnetic field can have an *** findings of the study are offered in ***,a comparison with the results of the literature is conducted to show the effect of rotation and magnetic field on the wave propagation *** is worth noting that the results of the study highly match those of the literature.

关键词： Propagation of waves rotation magnetic field poroelastic wet bone natural frequency magnetic field

Erratum to “Indium doping effect on properties of ZnO nanoparticles synthesized by sol-gel method”

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Chinese Physics B 2020年第3期29卷 496-496页

作者： S Mourad J El Ghoul K omri K Khirouni Laboratory of Physics of Materials and Nanomaterials Applied at Environment(LaPhyMNE) Faculty of Sciences in GabesGabes University6072 GabesTunisia Imam Mohammad Ibn Saud Islamic University(IMSIU) College of SciencesDepartment of PhysicsRiyadh 11623Saudi Arabia

Figure 2 in our original paper [Chin. Phys. B 28 047701(2019)] was downloaded by default. We present the correct figure in this erratum.

关键词： In-doped ZnO nanoparticles sol-gel process structural and optical characterization

Intelligent Deep Learning Based Disease Diagnosis Using Biomedical Tongue Images

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Computers, Materials & Continua 2022年第3期70卷 5667-5681页

作者： V.Thanikachalam S.Shanthi K.Kalirajan Sayed Abdel-Khalek Mohamed omri Lotfi M.Ladhar Sri Sivasubramaniya Nadar College of Engineering Chennai603110India Department of Information Technology Department of Electronics and Communication EngineeringCARE College of EngineeringTiruchirappalli620009India Department of Electronics and Communication Engineering KPR Institute of Engineering and TechnologyCoimbatore641407India Department of Mathematics and Statistics College of ScienceTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia Mathematics Department Faculty of ScienceSohag UniversitySohagEgypt Deanship of Scientific Research King Abdulaziz UniversityJeddahSaudi Arabia Department of Electrical and Computer Engineering Faculty of EngineeringKing Abdulaziz UniversityJeddahSaudi Arabia

The rapid development of biomedical imaging modalities led to its wide application in disease ***-based diagnostic procedures are proficient and non-invasive in nature to carry out secondary diagnostic processes ***,physicians examine the characteristics of tongue prior to *** this scenario,to get rid of qualitative aspects,tongue images can be quantitatively inspected for which a new disease diagnosis model is *** model can reduce the physical harm made to the *** tongue image analytical methodologies have been proposed ***,there is a need exists to design an intelligent Deep Learning(DL)based disease diagnosis *** this motivation,the current research article designs an Intelligent DL-basedDisease Diagnosis method using Biomedical Tongue Images called IDLDD-BTI *** proposed IDLDD-BTI model incorporates Fuzzy-based Adaptive Median Filtering(FADM)technique for noise removal ***,SqueezeNet model is employed as a feature extractor in which the hyperparameters of SqueezeNet are tuned using Oppositional Glowworm Swarm Optimization(OGSO)*** last,Weighted Extreme Learning Machine(WELM)classifier is applied to allocate proper class labels for input tongue color *** design of OGSO algorithm for SqueezeNet model shows the novelty of the *** assess the enhanced diagnostic performance of the presented IDLDD-BTI technique,a series of simulations was conducted on benchmark dataset and the results were examined in terms of several *** resultant experimental values highlighted the supremacy of IDLDD-BTI model over other state-of-the-art methods.

关键词： Biomedical images image processing tongue color image deep learning squeezenet disease diagnosis

Indium doping effect on properties of ZnO nanoparticles synthesized by sol–gel method

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Chinese Physics B 2019年第4期28卷 342-348页

作者： S Mourad J El Ghoul K omri K Khirouni Laboratory of Physics of Materials and Nanomaterials Applied at Environment (LaPhyMNE) Faculty of Sciences in Gabes Gabes University Imam Mohammad Ibn Saud Islamic University (IMSIU) College of Sciences Department of Physics

Pure ZnO and indium-doped ZnO(In–ZO) nanoparticles with concentrations of In ranging from 0 to 5% are synthesized by a sol–gel processing technique. The structural and optical properties of ZnO and In–ZO nanoparticles are characterized by different techniques. The structural study confirms the presence of hexagonal wurtzite phase and indicates the incorporation of In^(3+) ions at the Zn^(2+) sites. However, the optical study shows a high absorption in the UV range and an important reflectance in the visible range. The optical band gap of In–ZnO sample varies between 3.16 e V and 3.22 e V. The photoluminescence(PL) analysis reveals that two emission peaks appear: one is located at 381 nm corresponding to the near-band-edge(NBE) and the other is observed in the green region. The aim of this work is to study the effect of indium doping on the structural, morphological, and optical properties of ZnO nanoparticles.

关键词： In-doped ZnO nanoparticles sol–gel process structural and optical characterization