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ChemPhysMater 2024年第1期3卷 83-93页

作者： Mylarappa M n.Raghavendra n.R.Bhumika C.H.Chaithra B.n.nagalaxmi k.n.sh.avan. kumara Department of Chemistry Sri Jagadguru Renukacharya College of ScienceArts&CommerceBengaluru 560009India Department of Chemistry East West Institute of TechnologyBengaluru 560091India Department of Chemistry Maharani Lakshmi Ammanni College for WomenBengaluru 560012India

In view of the current study’s demonstration of the synthesis of clay-doped ZnO composites,we present a low-cost method for producing clay-metal oxide(clay/ZnO).Utilizing the solution combustion technique,a composite of clay/ZnO was produced utilizing citric acid as both a fuel and a complexing *** hexagonal unit cell structure of the created clay/ZnO may be seen using XRD *** ZnO-infused clay was visible in FE-SEM micrographs as homogenous,sphere-shaped *** possible involvement of clay/ZnO photocatalytic activity in the UV-induced photodegradation of malachite green dye was *** 90%degradation rate shows the composite’s outstanding photocatalytic degradation *** resulting substance was electrochemically analyzed using a constructed electrode in 0.1 M kOH *** increased its sensor capabilities,which now include chemical and biomolecule sensors,and it excelled in cyclic voltammetry-based redox potential *** efficiently evaluate chemically synthesized nPs for electrochemical,sensing,and photocatalytic applications,this study intends to create a solution combustion procedure for the synthesis of clay/ZnO nanocomposite using urea as fuel.

关键词： Clay Clay/ZnO Photocatalytic Electrochemical sensors

中国特色社会主义政治经济学基本方法论的传承与创新

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经济学动态 2024年第4期 3-11页

作者：黄少安山东大学经济研究院 250100

研究对象统一和规范了所有政治经济学的一般性特征,中国特色社会主义政治经济学也必须符合这个一般性。研究方法、内容、范式和目的决定或赋予不同经济学流派的特色。中国特色社会主义政治经济学的特色有三个维度,在基本方法论维度可能... 详细信息

研究对象统一和规范了所有政治经济学的一般性特征,中国特色社会主义政治经济学也必须符合这个一般性。研究方法、内容、范式和目的决定或赋予不同经济学流派的特色。中国特色社会主义政治经济学的特色有三个维度,在基本方法论维度可能有两个方面的创新或特色:一是发展和完善了的、本质主义与历史主义结合的历史唯物主义;二是有意识地从中华传统的、优秀的文化中寻找相关的、既符合人类合作性又切合中国作为公有制为主体的实际情况的文化元素,提炼成为经济学基本方法论的“主义”。在创建和完善中国特色社会主义政治经济学的过程中,需要处理好几个重要关系:一是处理好“一般”与“特色”的关系;二是处理好积累和传承与创新的关系;三是处理好通用学术语言与学术话语权的关系;四是处理好学理支撑与联系实际和服务现实的关系。

关键词：中国特色社会主义政治经济学一般性与特色基本方法论的传承与创新

Dynamics of 7Li breakup and its influence on elastic scattering: a study of 7Li + 144Sm system

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Chinese Physics C 2024年第2期48卷 124-134页

作者： A.Morzabayev n.Amangeldi Awad A.Ibraheem D.Soldatkhan G.Yergaliuly B.Mauyey Anuar.A.Orazalievna sh.Hamada L.n.Gumilyov eurasian national university astanakazakhstan Institute of nuclear physics almatykazakhstan Physics department king khalid universityabhasaudi arabia Faculty of science tanta universitytantaegypt

The angular distributions of 7Li+144Sm elastic scattering over the energy range of 21.6–52 MeV are reanalyzed utilizing various interaction *** analysis aims to study the consistency of the implemented potentials in representing the considered data and investigate the cluster nature of the weakly bound 7Li *** will aid in the better understanding the impacts of 7Li breakup on the elastic scattering *** coupling to the breakup channel has a substantial impact on the elastic data and reproduces a repulsive dynamical polarization potential,which drastically diminishes the real potential *** reported impact was simulated by introducing a semi-microscopic repulsive DPP and by implementing the method of continuum discretized coupled *** analysis was also extended to understand the impact of triton transfer on the elastic scattering data.

关键词： phenomenological and semi-microscopic potentials cluster folding dynamic polarization

Magnetic resonance imaging-guided focused ultrasound thalamotomy launch with remote telemedicine international proctorship

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Chronic Diseases and Translational Medicine 2024年第1期10卷 40-50页

作者： Igor V.Buzaev Rezida M.Galimova Dinara I.nabiullina Sergey n.Illarioshkin naufal sh.Zagidullin shamil M.Safin Department of Surgery Bashkir State Medical UniversityUfaRussia Intelligent neurosurgery Clinic Ltd.International Medical Center V.S.Buzaev memorialUfaRussia Directorate Research Center of NeurologyVolokolamskoye ShosseMoscowRussia

Background: COVID-19 limitations have hindered the implementation of new technologies by preventing proctors from coming to the *** share our first experience of magnetic resonance imaging(MRI)-guided focused ultrasound(MRgFUS)treatment with an international remote online proctorship,and develop and evaluate the methodology of remote MRgFUS ***: This single-center,nonrandomized controlled prospective study included 94 patients:27 with essential tremor(ET)and 67 with tremor-dominant Parkinson's disease(PD).The coming of proctors was impossible,so we arranged for the remote participation of proctors from the United kingdom,Spain,and Israel.A total of 38 patients(40.4%)received telemedicine-proctored treatment(proctor group)and 56 received their treatment independently(solo group).We used the Clinical Rating Scale for Tremor(CRST)for ET patients and the Unified Parkinson's Disease Rating Scale(UPDRS)Part III for PD ***: In patients with ET,success rates were 81.8%(proctor group)and 100%(solo group)(p=0.22).CRST reduction on the treated side was 71.43%[65.83%;80.56%](proctor group)versus 60.87%[53.99;79.58](solo group)(p=0.19).none of the patients showed worsening of tremors within 1 *** patients with PD,the success rates were 92.6%(proctor group)and 100%(solo group)(p=0.08).The UPDRS Part III improvement was 30.1%(proctor group)versus 39.9%(solo group)(p=0.003).The 1-year recurrence rate was 40%(proctor group)and 17.5%(solo group)(p=0.04).no complications were observed at 6 ***: We developed a feasible and safe methodology for telemedicine remote online-proctored MRgFUS *** significant difference was observed between the solo and developed remote proctor protocols in terms of complication rate,effect,and long-term results;however,UPDRS Part III improvement was better in the PD solo *** study demonstrated that the MRgFUS international proctorship can be performed successfully remotely.

关键词： essential tremor MRgFUS Parkinson's disease proctor telemedicine

Characterization of free carbon in the as-thermolyzed Si-B-C-n ceramic from a polyorganoborosilazane precursor

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Journal of Advanced Ceramics 2013年第4期2卷 325-332页

作者： Adhimoolam Bakthavachalam kOUSAALYA Ravi kumara shanmugam PACkIRISAMY Materials Processing Section Department of Metallurgical and Materials EngineeringIndian Institute of Technology MadrasChennai 600036Tamil NaduIndia Analytical Spectroscopy and Ceramics Group PCM EntityVikram Sarabhai Space CentreThiruvananthapuram 695022India

Polyorganoborosilazane((B[C_(2)H_(4)-Si(CH_(3))nH]_(3))n)was synthesized via monomer route from a single-source precursor and thermolyzed at 1300℃in argon *** as-thermolyzed Si-B-C-n ceramic was characterized using X-ray diffraction(XRD)and Raman *** crystallization behavior of silicon carbide in the as-thermolyzed amorphous Si-B-C-n matrix was understood by XRD studies,and the crystallite size calculated using Scherrer equation was found to increase from 2 nm to 8 nm with increase in dwelling ***,Raman spectroscopy was used to characterize the free carbon present in the as-thermolyzed *** peak positions,intensities and full width at half maximum(FWHM)of D and G bands in the Raman spectra were used to study and understand the structural disorder of the free *** G peak shift towards 1600 cm-1 indicated the decrease in cluster size of the free *** cluster diameter of the free carbon calculated using Tk(Tuinstra and koenl)equation was found to decrease from 6.2 nm to 5.4 nm with increase in dwelling time,indicating increase in structural disorder.

关键词： synthesis polyorganoborosilazane precursor-derived ceramic Si-B-C-n Raman spectroscopy free carbon

nanoscale potential barrier distributions and their effect on current transport in ni/n type Si Schottky diode

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Journal of Semiconductors 2015年第12期36卷 74-80页

作者： M.Yeganeh n.Balkanian sh.Rahmatallahpur West north Research Complex

We have experimentally studied the ni/n-Si nano Schottky barrier height （SBH） and potential difference between patches in the nano Schottky diodes （SD） using contact atomic force microscopy （C-AFM） in tapping mode and scanning tunneling microscopy （STM）. Topology measurement of the surface with C-AFM showed that, a single ni/n-Si SD consists of many patches with different sizes. These patches are sets of parallel diodes and electrically interacting contacts of 5 to 50 nm sizes and between these individual diodes, there exists an additional electric field. In real metal semiconductor contacts （MSC）, patches with quite different configurations, various geometrical sizes and local work functions were randomly distributed on the surface of the metal. The direction and intensity of the additional electric field are distributed in homogenously along the contact metal surface. SBH controls the electronic transport across the MS interface and therefore, is of vital importance to the successful operation of semiconductor devices.

关键词： nano Schottky diode additional electrical field nanopatch STM and C-AFM

Tameness and Artinianness of Graded Generalized Local Cohomology Modules

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Algebra Colloquium 2015年第1期22卷 131-146页

作者： M. Jahangiri n. shirmohammadi sh. Tahamtan Faculty of Mathematical sciences and Computer Kharazmi University rlbhran Iran School of Mathematics Institute for Research in Fundamental Sciences (IPM) P.O. Box 19395-5749 Tehran Iran School of Mathematics Institute for Research in Fundamental Sciences (IPM) P.O. Box 19395-5749 rlbhran Iran Department of Mathematics University of Tabriz Tabriz Iran Islamic Azad University Borujerd Branch Boroujerd Iran

Let R = ⊙n〉0 Rn be a standard graded ring, a ∩ ⊙n〉0 Rn an ideal of R, and M, n two finitely generated graded R-modules. This paper studies the homogeneous components of graded generalized local cohomology modules. We show that for any i 〉 0, the n-th graded component Hiα（M, n）n of the i-th generalized local cohomology module of M and n with respect to a vanishes for all n 〉〉 0. Some sufficient conditions are pro- posed to satisfy the equality sup{end（Hiα （M, n）） [ i _〉 0} = sup{end（HiR＋（M, n））｜ i 〉 0}. Also, some sufficient conditions are proposed for the tameness of Hiα（M, n） such that i = fRα＋（M,n） or i = cdα（M,g）, where fRα＋（M,n） and cdα（M,g） denote the R＋- finiteness dimension and the cohomological dimension of M and n with respect to a, respectively. Finally, we consider the Artinian property of some submodules and quotient modules of Hjα（M, n）, where j is the first or last non-minimax level of Hiα（M, n）.

关键词： graded rings and modules generalized local cohomology Artinian modules,tameness

Sorption of certain lanthanides by kieselguhr loaded with Cyanex 572 from sulfate medium

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Journal of Rare Earths 2020年第3期38卷 299-305页

作者： sh.sh.Emam M.S.Gasser n.E.El-Hefny W.H.Mahmoud H.F.Aly Hot Laboratories Centre Atomic Energy AuthorityCairo 13759Egypt Department of Chemistry Faculty of ScienceAin Shams UniversityCairoEgypt

kieselguhr for chromatography was loaded with Cyanex 572 extractant and characterized using X-ray diffraction(XRF),scanning electron microscopy(SEM),Fourier transform infra-red(FT-IR),and thermal *** of some heavy lanthanides together with yttrium by the prepared kieselguhr/Cy-572 sorbent was investigated by batch experiment in terms of initial metal ions concentrations,volume to solid mass ratio(V/m),sulfuric acid concentration as well as *** sorption equilibrium of Cy-572 loaded kieselguhr was satisfactorily explained by the pseudo second-order kinetic model and Langmuir isotherm ***,the values of thermodynamic parameters △G°,△H°,and △S°at25℃of the studied metal ions show that the process is spontaneous and endothermic in nature.2.0 mol/L HnO3 is promising to desorb these metal ions.

关键词： Sorption Cyanex 572 Lanthanides kieselguhr Sulfate medium Rare earths

Experimental and numerical study on plasma nitriding of AISI P20 mold steel

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International Journal of Minerals,Metallurgy and Materials 2016年第9期23卷 1065-1075页

作者： n.nayebpashaee H.Vafaeenezhad sh.kheirandish M.Soltanieh Materials Processing Simulation Laboratory(MPS-LAB) School of Materials and Metallurgical EngineeringIran University of Science and Technology(IUST) School of Materials and Metallurgical Engineering Iran University of Science and Technology(IUST)

In this study, plasma nitriding was used to fabricate a hard protective layer on AISI P20 steel, at three process temperatures（450℃, 500℃, and 550℃） and over a range of time periods（2.5, 5, 7.5, and 10 h）, and at a fixed gas n2：H2 ratio of 75vol%：25vol%. The morphology of samples was studied using optical microscopy and scanning electron microscopy, and the formed phase of each sample was determined by X-ray diffraction. The elemental depth profile was measured by energy dispersive X-ray spectroscopy, wavelength dispersive spectroscopy, and glow dispersive spectroscopy. The hardness profile of the samples was identified, and the microhardness profile from the surface to the sample center was recorded. The results show that ε-nitride is the dominant species after carrying out plasma nitriding in all strategies and that the plasma nitriding process improves the hardness up to more than three times. It is found that as the time and temperature of the process increase, the hardness and hardness depth of the diffusion zone considerably increase. Furthermore, artificial neural networks were used to predict the effects of operational parameters on the mechanical properties of plastic mold steel. The plasma temperature, running time of imposition, and target distance to the sample surface were all used as network inputs; Vickers hardness measurements were given as the output of the model. The model accurately reproduced the experimental outcomes under different operational conditions; therefore, it can be used in the effective simulation of the plasma nitriding process in AISI P20 steel.

关键词： tool steel plasma nitriding sputtering neural networks

Comparative studies on Y(Ⅲ)and Dy(Ⅲ)extraction from hydrochloric and nitric acids by Cyanex 572 as a novel extractant

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Journal of Rare Earths 2018年第12期36卷 1342-1350页

作者： n.E.El-Hefny M.S.Gasser sh.sh.Emam W.H.Mahmoud H.F.Aly Hot Laboratories Centre Atomic Energy Authority Faculty of Science Ain Shams University

Extraction of Y(III) and Dy(III) from hydrochloric and nitric acids by Cy-572 in kerosene was studied. The factors affecting the extraction were separately investigated. The stoichiometry of the extracted species was deduced on the basis of slope analysis method. Evaluation of extraction equilibrium and stripping investigation was studied as well as saponification effect of Cy-572. The composition of the extracted metal species in the organic phase was found to be [MA·(HA)] for Y(III) or Dy(III) in both media.1.0 mol/L HCI is the best stripping agent for each metal ion from the studied acidic media in one *** Cy-572 does not exhibit any selectivity towards the extraction of Y(III) or Dy(III) from both HCI and HnOsolutions. Based on the obtained results, the data were compared and the separation feasibility between lanthanides and Y(III) in the two media was discussed.

关键词： Extraction Cyanex-572 Yttrium Lanthanides Separation factor Saponification