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Plastic Deformation Evaluation of 6201 Alloy by Using Positron Annihilation Lifetime Technique

材料科学与工程（中英文A版） 2013年第1期3卷 14-21页

作者： Amira.Nassar Magda Abd El-Wahab Eman Abd EL Hamid zeinab yousef Metal Physics Lab. Solid State Physics Department National Research Center Dokki Cairo P.O. 1231 I Egypt Physics Department Faculty of Women for Arts Science and Education A in Shams University Heliopolis Cairo 1175 7 Egypt

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Congruent Feature Selection Method to Improve the Efficacy of Machine Learning-Based Classification in Medical Image Processing

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Computer Modeling in Engineering & Sciences 2025年第1期142卷 357-384页

作者： Mohd Anjum Naoufel Kraiem Hong Min Ashit Kumar Dutta yousef Ibrahim Daradkeh Department of Computer Engineering Aligarh Muslim UniversityAligarh202002India College of Computer Science King Khalid UniversityAbha61413Saudi Arabia School of Computing Gachon UniversitySeongnam13120Republic of Korea Department of Computer Science and Information Systems College of Applied SciencesAlMaarefa UniversityRiyadh13713Saudi Arabia Department of Computer Engineering and Information College of Engineering in Wadi AlddawasirPrince Sattam bin Abdulaziz UniversityAl-Kharj16273Saudi Arabia

Machine learning(ML)is increasingly applied for medical image processing with appropriate learning *** applications include analyzing images of various organs,such as the brain,lung,eye,etc.,to identify specific flaws/diseases for *** primary concern of ML applications is the precise selection of flexible image features for pattern detection and region *** of the extracted image features are irrelevant and lead to an increase in computation ***,this article uses an analytical learning paradigm to design a Congruent Feature Selection Method to select the most relevant image *** process trains the learning paradigm using similarity and correlation-based features over different textural intensities and pixel *** similarity between the pixels over the various distribution patterns with high indexes is recommended for disease ***,the correlation based on intensity and distribution is analyzed to improve the feature selection ***,the more congruent pixels are sorted in the descending order of the selection,which identifies better regions than the ***,the learning paradigm is trained using intensity and region-based similarity to maximize the chances of ***,the probability of feature selection,regardless of the textures and medical image patterns,is *** process enhances the performance of ML applications for different medical image *** proposed method improves the accuracy,precision,and training rate by 13.19%,10.69%,and 11.06%,respectively,compared to other models for the selected *** mean error and selection time is also reduced by 12.56%and 13.56%,respectively,compared to the same models and dataset.

关键词： Computer vision feature selection machine learning region detection texture analysis image classification medical images

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EMSC:a joint multicast routing,scheduling,and call admission control in multi-radio multi-channel WMNs

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Frontiers of Computer Science 2020年第5期14卷 165-180页

作者： zeinab Askari Avid Avokh Department of Electrical Engineering Najafabad BranchIslamic Azad UniversityNajafabad***Iran

This paper deals with the problem of joint multicast routing,scheduling,and call admission control in multiradio multi-channel wireless mesh *** heuristically solve this problem,we propose a cross-layer algorithm named“extended MIMCR with scheduling and call admission control phases(EMSC)”.Our model relies on the on-demand quality of service(QoS)multicast sessions,where each admitted session creates a unique tree with a required *** proposed scheme extends the MIMCR algorithm to fairly schedule multiple non-interfering transmissions in the same time *** also exploits a call admission control mechanism to protect the QoS requirements of the multicast *** reduces the number of occupied time slots,with consideration of spatial reuse,both Intra-flow and Inter-flow interferences,and selecting the minimum-interference minimum-cost *** subsequently leads to better radio resource utilization and increases the network *** results show that the proposed algorithm outperforms the other algorithms and improves the network performance.

关键词： multicast scheduling multi-radio multichannel wireless mesh network call admission control

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The implementation of approximate coupling in two-dimensional SDEs with invertible diffusion terms

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Applied Mathematics(A Journal of Chinese Universities) 2020年第2期35卷 166-183页

作者： yousef Alnafisah Mathematics Department College of ScienceQassim UniversityP.O.Box 6644Buraydah 51452Saudi Arabia

We explain and prove some lemmas of the approximate coupling and we give some details of the Matlab implementation of this method.A particular invertible SDEs is used to show the convergence result for this method for... 详细信息

关键词： stochastic differential equation milstein method euler method

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Hyaluronic acid algorithm-based models for assessment of liver fibrosis： translation from basic science to clinical application

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Hepatobiliary & Pancreatic Diseases International 2016年第2期15卷 131-140页

作者： zeinab Babaei Hadi Parsian Student Research Committee&Department of Biochemistry and Biophysics Babol University of Medical SciencesBabolIran Cellular and Molecular Biology Research Center Health Research InstituteBabol University of Medical SciencesBabolIran

BACKGROUND： The estimation of liver fibrosis is usually dependent on liver biopsy evaluation. Because of its disadvantages and side effects, researchers try to find non-invasive methods for the assessment of liver injuries. Hyaluronic acid has been proposed as an index for scoring the severity of fibrosis, alone or in algorithm models. The algorithm model in which hyaluronic acid was used as a major constituent was more reliable and accurate in diagnosis than hyaluronic acid alone. This review described various hyaluronic acid algorithm-based models for assessing liver *** SOURCE： A Pub Med database search was performed to identify the articles relevant to hyaluronic acid algorithmbased models for estimating liver ***： The use of hyaluronic acid in an algorithm model is an extra and valuable tool for assessing liver ***： Although hyaluronic acid algorithm-based models have good diagnostic power in liver fibrosis assessment, they cannot render the need for liver biopsy obsolete and it is better to use them in parallel with liver biopsy. They can be used when frequent liver biopsy is not possible in situations such as highlighting the efficacy of treatment protocol for liver fibrosis.

关键词： algorithm hyaluronic acid liver disease liver fibrosis

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Short Text Mining for Classifying Educational Objectives and Outcomes

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Computer Systems Science & Engineering 2022年第4期41卷 35-50页

作者： yousef Asiri College of Computer Science and Information Systems Najran UniversityNajran61441Saudi Arabia

Most of the international accreditation bodies in engineering education(e.g.,ABET)and outcome-based educational systems have based their assess-ments on learning outcomes and program educational ***,map-ping program educational objectives(PEOs)to student outcomes(SOs)is a challenging and time-consuming task,especially for a new program which is applying for ABET-EAC(American Board for Engineering and Technology the American Board for Engineering and Technology—Engineering Accreditation Commission)*** addition,ABET needs to automatically ensure that the mapping(classiﬁcation)is reasonable and *** classiﬁcation also plays a vital role in the assessment of students’*** the PEOs are expressed as short text,they do not contain enough semantic meaning and information,and consequently they suffer from high sparseness,multidimensionality and the curse of *** this work,a novel associative short text classiﬁcation tech-nique is proposed to map PEOs to *** datasets are extracted from 152 self-study reports(SSRs)that were produced in operational settings in an engineering program accredited by *** datasets are processed and transformed into a representational form appropriate for association rule *** extracted rules are utilized as delegate classiﬁers to map PEOs to *** proposed asso-ciative classiﬁcation of the mapping of PEOs to SOs has shown promising results,which can simplify the classiﬁcation of short text and avoid many problems caused by enriching short text based on external resources that are not related or relevant to the dataset.

关键词： ABET accreditation association rule mining educational data mining engineering education program educational objectives student outcomes associative classiﬁcation

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Gravitational coupling,dynamical changes of units and the cosmological constant problem

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Communications in Theoretical Physics 2020年第3期72卷 46-50页

作者： yousef Bisabr Department of Physics Shahid Rajaee Teacher Training UniversityLavizanTehran 16788Iran

A spacetime interval connecting two neighbouring points can be measured in different unit *** instance,it can be measured in atomic unit defined in terms of fundamental constants existing in quantum *** is also possible to use a gravitational unit which is defined by the use of properties of macroscopic *** two unit systems are usually regarded as indistinguishable up to a constant conversion *** we consider the possibility that these two units are related by an epoch-dependent conversion *** is a dynamical changes of *** a conformal transformation as a local unit transformation,we use a gravitational model in which the gravitational and the matter sectors are given in different conformal frames(or unit systems).It is relevant to the cosmological constant problem,namely the huge discrepancy between the estimated and the observational values of the cosmological constant in particle physics and cosmology,*** argue that the problem arises when one ignores evolution of the conversion factor relating the two units during expansion of the *** of the model with violation of equivalence principle and possible variation of fundamental constants are also discussed.

关键词： gravitation modified gravity cosmology

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Shielding and corrosion properties of the Alloy 709 as canister material for spent nuclear fuel dry casks

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Defence Technology（防务技术） 2023年第3期21卷 116-124页

作者： zeinab Y.Alsmadi Mohamed A.Bourham Department of Nuclear Engineering North Carolina State UniversityRaleighNC 27695-7909USA

The shielding and corrosion properties of the Alloy 709 advanced austenitic stainless steel have been investigated as a candidate canister material in spent fuel dry *** results revealed that the experimental and computational data of the linear and mass attenuation coefficients of the alloy are in good agreement,in which the attenuation coefficient values decreased with increasing photon *** 709 was shown to exhibit the highest linear attenuation coefficient against gamma rays when compared to 304 and 316 stainless *** the other hand,Alloy 709 exhibited no considerable weight change over a 69-day period in circulating salt brines corrosion testing,while it showed an exponential increase of corrosion current density with temperature in acidic and basic corrosive solutions during electrochemical polarization corrosion ***,Alloy 709 was the least corroded steel compared to other austenitic stainless steels in both acidic and basic *** optimistic results of the shielding and corrosion properties of Alloy 709 due to its chemical composition,suggest utilizing it as a canister material in spent nuclear fuel dry casks.

关键词： corrosion steel austenitic

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An overview of occult hepatitis B virus infection

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World Journal of Gastroenterology 2011年第15期17卷 1927-1938页

作者： zeinab Nabil Ahmed Said Department of Microbiology and Immunology Faculty of Medicine (for girls) Al-Azhar University Cairo 1047 Egypt

Occult hepatitis B virus (HBV) infection (OBI), alternatively defined as occult hepatitis B (OHB), is a challenging clinical entity. It is recognized by two main characteristics: absence of HBsAg, and low viral replication. The previous two decades have witnessed a remarkable progress in our understanding of OBI and its clinical implications. Appropriate diagnostic techniques must be adopted. Sensitive HBV DNA amplification assay is the gold standard assay for detection of OBI. Viral as well as host factors are implicated in the pathogenesis of OBI. However, published data reporting the infectivity of OBI by transfusion are limited. Several aspects including OBI transmission, infectivity and its relation to the development of chronic liver diseases and hepatocellular carcinoma have to be resolved. The aim of the present review is to highlight recent data on OBI with a focus on its virological diagnosis and clinical outcome.

关键词： Hepatitis B virus Occult infection Occult hepatitis B virus infection Occult hepatitis B Chronic liver disease Hepatocellular carcinoma Hepatitis B surface antigen

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Magnetic polyacrylonitrile/ZIF-8/Fe_(3)O_(4) nanocomposite bead as an efficient iodine adsorbent and antibacterial agent

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Chinese Journal of Chemical Engineering 2023年第9期61卷 210-220页

作者： Reza Sacourbaravi zeinab Ansari-Asl Esmaeil Darabpour Department of Chemistry Faculty of ScienceShahid Chamran University of AhvazAhvazIran Department of Biology Faculty of ScienceShahid Chamran University of AhvazAhvazIran

The efficient adsorption of radioactive iodine(^(129)I and^(131)I)as nuclear waste is of great *** nanocomposites consist of metal-organic frameworks(MOFs)developing for various pollutions sorption and separation have attracted much *** study reports the fabrication of magnetic polyacrylonitrile(PAN)/zeolitic imidazolate frameworks(ZIF-8)nanocomposites,PAN/ZIF-8(x%)/Fe_(3)O_(4),x=30 and 50,as iodine capture *** PAN/ZIF-8(x%)/Fe_(3)O_(4)nanocomposite beads were fabricated via the phase inversion method,and their potential for iodine capture and separation in solution and vapor was investigated through UV-vis and weighing methods,***,antibacterial activity of the as-prepared beads was assessed against *** and *** as-fabricated compounds were studied by various techniques such as Fourier-transform infrared,X-ray diffraction,scanning electron microscope,energy-dispersive X-ray spectroscopy mapping,transmission electron microscope,N_(2)adsorption isotherm,and vibrating sample *** iodine capture results showed that the efficiency of nanocomposites is remarkably higher than the pure PAN ***,the asprepared nanocomposite adsorbents displayed higher capture capacities for iodine vapor(1524-4345mg·g^(-1))than iodine solution(187-295 mg·g^(-1)).The as-obtained magnetic nanocomposites can be successfully separated from polluted media by simple filtration or an external magnet,regenerated through washing with ethanol,and *** capturing,high sorption capacity,rapid separation,and good reusability make the PAN/ZIF-8(x%)/Fe_(3)O_(4)nanocomposites highly effective adsorbents for the separation of iodine from ***,PAN/ZIF-8(50%)/Fe_(3)O_(4)bead can be considered as a potential new antibacterial agent for water and wastewater treatment.

关键词： ZIF-8 Polyacrylonitrile Composites Adsorption Waste treatment Antibacterial agent

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