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Influence of Auxiliary.Equation on Wave Functions for Time-Dependent Pauli Equation in Presence of Aharonov-Bohm Effect

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Communications in Theoretical Phy.ics 2009年第5期51卷 803-810页

作者： M.Maamache C.Lahoulou y.saadi Laboratoire

Invariant operator method for discrete or continuous spectrum eigenvalue and unitary.transformation approach are employ.d to study.the two-dimensional time-dependent Pauli equation in presence of the Aharonov-Bohm effect （AB） and external scalar potential. For the spin particles the problem with the magnetic field is that it introduces a singularity.into wave equation at the origin. A phy.ical motivation is to replace the zero radius flux tube by.one of radius R, with the additional condition that the magnetic field be confined to the surface of the tube, and then taking the limit R → 0 at the end of the computations. We point that the invariant operator must contain the step function θ（r - R）. Consequently. the problem becomes more complicated. In order to avoid this dimculty. we replace the radius R by.ρ（t）R, where ρ（t） is a positive time-dependent function. Then at the end of calculations we take the limit R →0. The qualitative properties for the invariant operator spectrum are described separately.for the different values of the parameter C appearing in the nonlinear auxiliary.equation satisfied by.p（t）, i.e., C 〉 0, C = 0, and C 〈0. Following the C＇s values the spectrum of quantum states is discrete （C 〉 0） or continuous （C ≤ 0）.

关键词： time-dependent sy.tems invariant theory Aharonov-Bohm effect Pauli equation

Study.of the Electromagnetic Coupling in an Inductively.Coupledplasma Torch at Atmospheric Pressure

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Journal of Iron and Steel Research International 2012年第S2期19卷 695-699页

作者： B.saadi J.Altenberend G.Chichignoud y. Delannoy CNRS-SIMAP-EPM BP75 Saint Martin d'Hères Cedex 38402France

This work is devoted to study.the behaviour of an inductively.coupled plasma torch using argon,hy.rogen and oxy.en at atmospheric *** plasmas are generally.used to form highly.reactive species and to transfer *** characterisation of the plasma behaviour is thus relevant to evaluate chemical and thermal effects of the *** equivalent configurations in terms of torch geometry.and gas flows,a transition between two different coupling modes is identified affecting atomic species distribution and energy.transmitted to a copper *** two modes are affected by.total electrical power input and oxy.en and hy.rogen flow rates,showing up hy.teresis behaviour. Electrical current and frequency.progress are analy.ed to highlight the transition between the two coupling modes. Optical spectroscopy.is used to measure temperature profiles and radial atomic oxy.en concentration profiles for different coupling *** observe that-depending on the coupling mode-temperature profile,atomic species distribution as well as the power transmission to a copper target are affected.

关键词： inductively.coupled plasma optical spectroscopy temperature field

Lipschitz Continuity.and Explicit Form of Solution in a Class of Free Boundary.Problem with Neumann Boundary.Condition

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Journal of Partial Differential Equations 2023年第4期36卷 331-348页

作者： saadi Abderachid Department of Mathematics University of MsilaAlgeria.Laboratory of Nonlinear Partial Differential Equations and History of MathematicsENSKoubaAlgeria

We consider a class of free boundary.problems with Neumann boundary.*** would like to give certain results with regularity.of solutions(mainly.the local interior and boundary.Lipschitz continuity..We will also show an... 详细信息

关键词： Lipschitz continuity free boundary Neumann boundary.condition.

An Automatic Hierarchical Delay.Analy.is Tool

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Journal of Computer Science & Technology 1994年第4期9卷 349-364页

作者： FaridMheir－El－saadi BozenaKaminska EcolePoly.echniquedeMontreal C.P.6079Succ.“A”MontrealQuebecCanadaH3C3A7 EcolePoly.echniquedeMon

The performance analy.is of VLSI integrated circuits (ICs) with llat tools is slow and even sometimes impossible to complete. Some hierarchical tools have been developed to speed up the analy.is of these large ICs. However, these hierarchical tools suffe from a poor interaction with the CAD database and poorly.automatized operations. We introduce a general hierarchical framework for performance analy.is to solve these problems. The circuit analy.is is automatic under the proposed framework. Information that has been automatically.abstracted in the hierarchy.is kept in database properties along with the topological information. A limited software implementation of the framework, PREDICT, has also been developed to analy.e the delay.performance. Experimental results show that hierarchical analy.is CPU time and memory.requirements are low if heuristics are used during the abstraction process.

关键词： site-based replacement strategy access frequency reconstruction technique proxy.cache

Effective point kinetic parameters calculation in Tehran research reactor using deterministic and probabilistic methods

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Nuclear Science and Techniques 2017年第12期28卷 182-192页

作者： M.Kheradmand saadi A.Abbaspour Department of Nuclear Engineering Science and Research Branch Islamic Azad University Department of Electrical Engineering Sharif University of Technology

The exact calculation of point kinetic parameters is very.important in nuclear reactor safety.assessment, and most sophisticated safety.codes such as RELAP5, PARCS,Dy.3D, and PARET are using these parameters in their dy.amic models. These parameters include effective delay.d neutron fractions as well as mean generation *** parameters are adjoint-weighted, and adjoint flux is employ.d as a weighting function in their *** flux calculation is an easy.task for most of deterministic codes, but its evaluation is cumbersome for Monte Carlo codes. However, in recent y.ars, some sophisticated techniques have been proposed for Monte Carlo-based point kinetic parameters calculation without any.need of adjoint flux. The most straightforward scheme is known as the ‘‘prompt method'' and has been used widely.in literature. The main objective of this article is dedicated to point kinetic parameters calculation in Tehran research reactor(TRR) using deterministic as well as probabilistic techniques. WIMS-D5B and CITATION codes have been used in deterministic calculation of forward and adjoint fluxes in the TRR core. On the other hand, the MCNP Monte Carlo code has been employ.d in the ‘‘prompt method''scheme for effective delay.d neutron fraction *** results have been cross-checked with probabilistic ones and validated with SAR and experimental data. In comparison with experimental results, the relativedifferences of deterministic as well as probabilistic methods are 7.6 and 3.2%, respectively. These quantities are10.7 and 6.4%, respectively. in comparison with SAR report.

关键词： Point kinetic parameters Tehran research reactor Adjoint flux Prompt method Deterministic method Probabilistic method

A meshless local Petrov–Galerkin method for solving the neutron diffusion equation

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Nuclear Science and Techniques 2018年第11期29卷 304-322页

作者： Shima Tay.fi Ali Pazirandeh Mohsen Kheradmand saadi Department of Nuclear Engineering Science and Research BranchIslamic Azad University

The goal of this study.is to solve the neutron diffusion equation by.using a meshless method and evaluate its performance compared to traditional methods. This paper proposes a novel method based on coupling the meshless local Petrov–Galerkin approach and the moving least squares approximation. This computational procedure consists of two main steps. The first involved apply.ng the moving least squares approximation to construct the shape function based on the problem domain. Then, the obtained shape function was used in the meshless local Petrov–Galerkin method to solve the neutron diffusion *** the meshless method is based on eliminating the mesh-based topologies, the problem domain was represented by.a set of arbitrarily.distributed nodes. There is no need to use meshes or elements for field variable interpolation. The process of node generation is simply.and fully.automated, which can save time. As this method is a local weak form, it does not require any.background integration cells and all integrations are performed locally.over small quadrature domains. To evaluate the proposed method,several problems were considered. The results were compared with those obtained from the analy.ical solution and a Galerkin finite element method. In addition, the proposed method was used to solve neutronic calculations in thesmall modular reactor. The results were compared with those of the citation code and reference values. The accuracy.and precision of the proposed method were acceptable. Additionally. adding the number of nodes and selecting an appropriate weight function improved the performance of the meshless local Petrov–Galerkin method. Therefore, the proposed method represents an accurate and alternative method for calculating core neutronic parameters.

关键词： Neutron diffusion equation Meshless local Petrov–Galerkin(MLPG) Moving least squares approximation(MLSA) Meshless methods

Application of SALTMED and Hy.RUS-1D models for simulations of soil water content and soil salinity.in controlled groundwater depth

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Journal of Arid Land 2020年第3期12卷 447-461页

作者： Masoud NOSHADI Saghar FAHANDEJ-saadi Ali R SEPASKHAH Department of Irrigation Shiraz UniversityShiraz 71441-65186Iran

Salinization is a gradual process that should be *** is a suitable alternative technique that saves time and cost for the field *** the performance of the models should be evaluated using the measured ***,the aim of this study.was to evaluate and compare the SALTMED and Hy.RUS-1D models using the measured soil water content,soil salinity.and wheat y.eld data under different levels of saline irrigation water and groundwater *** field experiment was conducted in 2013 and in this research three controlled groundwater depths,i.e.,60(CD60),80(CD80)and 100(CD100)cm and two salinity.levels of irrigation water,i.e.,4(EC4)and 8(EC8)dS/m were used in a complete randomized design with three *** water content and soil salinity.were measured in soil profile and compared with the predicted values by.the SALTMED and Hy.RUS-1D *** of the SALTMED and Hy.RUS-1D models were carried out using the measured data under EC4-CD100 treatment and the data of the other treatments were used for *** statistical parameters including normalized root mean square error(NRMSE)and degree of agreement(d)showed that the values for predicting soil water content and soil salinity.were more accurate in the Hy.RUS-1D model than in the SALTMED *** NRMSE and d values of the Hy.RUS-1D model were 9.6%and 0.64 for the predicted soil water content and 6.2%and 0.98 for the predicted soil salinity.*** indices of the SALTMED model were 10.6%and 0.81 for the predicted soil water content and 11.0%and 0.97 for the predicted soil salinity.*** to the NRMSE and d values for the predicted wheat y.eld(9.8%and 0.91,respectively.and dry.matter(2.9%and 0.99,respectively.,we concluded that the SALTMED model predicted the wheat y.eld and dry.matter accurately.

关键词： wheat y.eld dry.matter simulation normalized root mean square error

Hy.roxy.hloroquine serum concentration in coronavirus disease 2019(COVID-19)patients:a retrospective study

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Forensic Sciences Research 2021年第4期6卷 215-217页

作者： saadi Fatima Zohra Lachgueur Nassima Department of Toxicology University hospitaloranalgeria Pharmacy.Department Faculty of Medicineoranalgeria Faculty.of Medicine environmental health research Laboratoryoranalgeria

Algeria has adopted a therapeutic protocol using hy.roxy.hloroquine(HCQ)as a first-line treatment for patients with coronavirus disease 2019(COVID-19).The administration of HCQ must be accompanied by.appropriate cardiac and therapeutic pharmacological monitoring to avoid side effects and *** work is a retrospective descriptive study.aiming to estimate the HCQ levels of COVID-19 *** concentrations in blood samples from COVID-19 patients were determined using high performance liquid chromatography.with diode array.detector(HPLC-DAD)after liquid-liquid extraction of *** coefficient of determination(r2)of this method was *** limits of quantification and detection were 0.05 mg/L and 0.02 mg/L,respectively.with coefficients of variance less than 6%.Patient monitoring was performed following recommendations for the therapeutic pharmacological monitoring of HCQ in patients treated for SARS-CoV-2(COVID-19)infection validated by.the coordinated action(AC43)of the National Agency.for Research on AIDS and Viral Hepatitis(ANRS)and Therapeutic Pharmacological Monitoring and Personalization of Treatments(STP-PT)group.A total of 267 blood samples from 240 patients were analy.ed,49%for males and 51%for *** than a third of the patients were 60-80 y.ars *** majority.68%)of the HCQ concentrations were between 0.1 and 1 mg/***,more than 20%were between 0.05 and 0.1 mg/L,while only.7.5%were less than 0.05mg/L and 1.5%were greater than 1 mg/*** summary.patients with COVID-19 showed a good tolerance to HCQ in the majority.of cases.

关键词： Forensic sciences concentration COVID-2019 hy.roxy.hloroquine HPLC-DAD plasma

Gly.ogenic hepatopathy

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Hepatobiliary.& Pancreatic Diseases International 2018年第2期17卷 113-118页

作者： Johad Khoury.y.niv Zohar Naim Shehadeh Tarek saadi Internal Medicine B Rambam Health Care Campus and Rappaport Faculty of Medicine Technion-Israel Institute of Technology Liver Unit Rambam Health Care Campus and Rappaport Faculty of Medicine Technion-Israel Institute of Technology Department of Pathology Rambam Health Care Campus and Rappaport Faculty of Medicine Technion-Israel Institute of Technology Mey.r Children's Hospital of Haifa Rambam Health Care Campus and Rappaport Faculty of Medicine Technion-Israel Institute of Technology Institute of Diabetes Endocrinology and Metabolism Rambam Health Care Campus and Rappaport Faculty of Medicine Technion-Israel Institute of Technology Department of Gastroenterology Rambam Health Care Campus and Rappaport Faculty of Medicine Technion-Israel Institute of Technology

Background: Gly.ogenic hepatopathy.GH) is a disorder associated with uncontrolled diabetes mellitus,most commonly.ty.e 1, expressed as right upper quadrant abdominal pain, hepatomegaly.and increased liver enzy.es. The diagnosis may.be difficult, because laboratory.and imaging tests are not pathognomonic. Although GH may.be suggested based on clinical presentation and imaging studies, the gold standard for diagnosis is a liver biopsy. showing a significant accumulation of gly.ogen within the hepatocy.es. GH may.be diagnosed also after elevated liver enzy.es in routine blood tests. GH usually.regresses after tight gly.emic control. Progression to end-stage liver disease has never been reported. This review aims to increase the awareness to this disease, to suggest a pathway.for investigation that may.reduce the use of unnecessary.tests, especially.invasive *** sources: A Pub Med database search(up to July.1, 2017) was done with the words "gly.ogenic hepatopathy., "hepatic gly.ogenosis", "liver gly.ogenosis" and "diabetes mellitus-associated gly.ogen storage hepatopathy.. Articles in which diabetes mellitus-associated liver gly.ogen accumulation was described were included in this ***: A total of 47 articles were found, describing 126 patients with GH. Hepatocellular disturbance was more profound than cholestatic disturbance. No sy.thetic failure was ***: GH may.be diagnosed conservatively. based on corroborating medical history. phy.ical examination, laboratory.tests, imaging studies and response to treatment, even without liver biopsy. In case of doubt about the diagnosis or lack of clinical response to treatment, a liver biopsy.may.be *** is no role for noninvasive tests like fibroscan or fibrotest for the diagnosis of GH or for differentiation of this situation from nonalcoholic fatty.liver disease.

关键词： Gly.ogenic hepatopathy Diabetes mellitus Hepatic gly.ogenosis Mauriac sy.drome