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A Double-Branch Xception Architecture for Acute Hemorrhage Detection and Subtype Classification

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Computers, Materials & Continua 2023年第9期76卷 3727-3744页

作者： Muhammad Naeem Akram Muhammad Usman yaseen Muhammad Waqar Muhammad Imran Aftab Hussain Department of Computer Science COMSATS University IslamabadIslamabad45550Pakistan Department of Software Engineering Capital University of Science&TechnologyIslamabad44000Pakistan

This study presents a deep learning model for efficient intracranial hemorrhage(ICH)detection and subtype classification on non-contrast head computed tomography(CT)*** refers to bleeding in the skull,leading to the most critical life-threatening health condition requiring rapid and accurate *** is classified as intra-axial hemorrhage(intraventricular,intraparenchymal)and extra-axial hemorrhage(subdural,epidural,subarachnoid)based on the bleeding location inside the *** computer-aided diagnoses(CAD)-based schemes have been proposed for ICH detection and classification at both slice and scan ***,these approaches performonly binary classification and suffer from a large number of parameters,which increase storage ***,the accuracy of brain hemorrhage detection in existing models is significantly low for medically critical *** overcome these problems,a fast and efficient system for the automatic detection of ICH is *** designed a double-branch model based on xception architecture that extracts spatial and instant features,concatenates them,and creates the 3D spatial context(common feature vectors)fed to a decision tree classifier for final *** data employed for the experimentation was gathered during the 2019 Radiologist Society of North America(RSNA)brain hemorrhage detection *** model outperformed benchmark models and achieved better accuracy in intraventricular(99.49%),subarachnoid(99.49%),intraparenchymal(99.10%),and subdural(98.09%)categories,thereby justifying the performance of the proposed double-branch xception architecture for ICH detection and classification.

关键词： Computed tomography convolutional neural networks intracranial hemorrhage xception architecture

Exploring Sulfur Chemistry in TMC-1 with NSRT

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Chinese Physics Letters 2024年第2期41卷 129-132页

作者： Wasim iqbal Xiaohu Li Juan Tuo Ryszard Szczerba Yanan Feng Zhenzhen Miao Jiangchao Yang Jixing Ge Gleb Fedoseev Donghui Quan Qiang Chang Chuan-Lu Yang Tao Yang Gao-Lei Hou Yong Zhang Xuan Fang Xia Zhang Fangfang Li Rong Ma Xiaomin Song Zhiping Kou Yuxuan Sun Xinjiang Astronomical Observatory Chinese Academy of SciencesUrumqi 830011China Xinjiang Key Laboratory of Radio Astrophysics Urumqi 830011China Key Laboratory of Radio Astronomy Chinese Academy of SciencesNanjing 210008China University of Chinese Academy of Sciences Beijing 100049China Nicolaus Copernicus Astronomical Center Rabia´nska 887-100 Toru´nPoland Research Laboratory for Astrochemistry Ural Federal UniversityKuibysheva St.48620026 EkaterinburgRussia Astronomical Computing Research Center Zhejiang LaboratoryHangzhou 311100China School of Physics and Optoelectronic Engineering Shandong University of TechnologyZibo 255000China School of Physics and Optoelectronic Engineering Ludong UniversityYantai 264025China State Key Laboratory of Precision Spectroscopy East China Normal UniversityShanghai 200062China MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter School of PhysicsXi’an Jiaotong UniversityXi’an 710049China School of Physics and Astronomy Sun Yat-sen UniversityGuangzhou 510275China Laboratory for Space Research Faculty of ScienceThe University of Hong KongHong KongChina National Astronomical Observatories Chinese Academy of SciencesBeijing 100012China

There have been several studies on sulfur depletion in dense cores like TMC-1(Taurus Molecular Cloud 1),employing updated reaction networks for sulfur species to explain the missing sulfur in the gas within dense *** of these studies used a C/O ratio of 0.7 or *** present NSRT(NanShan 26m Radio Telescope)observations of TMC-1 alongside results from time-dependent chemical simulations using an updated chemical *** findings highlight the impact of the C/O ratio on the gas-phase evolution of C2S and *** simulation results show that the C/O ratio is an important parameter,playing a fundamental role in determining the gas-phase abundances of sulfur species in dense cores.

关键词： sulfur Sulfur depletion

Theoretical Investigation of Two-Dimensional Nonlinear Radiative Thermionics in Nano-MHD for Solar Insolation:A Semi-Empirical Approach

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Computer Modeling in Engineering & Sciences 2022年第2期130卷 751-776页

作者： Usman Inayat Shaukat iqbal Tareq Manzoor School of Systems and Technology University of Management and TechnologyLahore54000Pakistan Energy Research Centre COMSATS University IslamabadLahore CampusLahore54000Pakistan

In this contemporary study,theoritical investigation of nanofluidic model is ***-dimensional nanomaterials based mixed flow is considered *** solar radiative heat transport properties have been investigated over a nonlinearly stretched wall in the presence of magneto-hydrodynamic(MHD),by innovative application of semi analytical“optimal homotopy asymptotic method(OHAM)”.OHAM does not require any discretization,linearization and small parameter *** describes extremely precise 1^(st)/2^(nd) order solutions without the need of computing further higher order terms,therefore,fast convergence is *** governing model is transformed into system of ordinary differential equations(ODEs)by exploitation of similarity *** study the significance of radiation parameter alongwith thermophoresis parameter,a semi analytical solver is applied to the transformed *** this work,Brownianmotion,influence ofmagnetic field,Lewis number,Prandtl number,Eckert number and Biot number have investigated on velocity,temperature and nanoparticle concentration *** study provides sufficient number of graphical representations to demonstrate the inspiration of mentioned parameters.

关键词： Magneto-hydrodynamic(MHD) OHAM nanofluid solar radiative stretched wall

Assessment of the ballistic response of honeycomb sandwich structures subjected to offset and normal impact

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Defence Technology（防务技术） 2023年第10期28卷 56-73页

作者： Nikhil Khaire Gaurav Tiwari Vivek Patel M.A.iqbal Department of Mechanical Engineering Indian Institute of Technology DelhiNew Delhi110016India Department of Mechanical Engineering Visvesvaraya National Institute of TechnologyNagpur440026India School of Mechanical Engineering Dr.Vishwanath Karad MIT World Peace UniversityPune411038India Department of Civil Engineering Indian Institute of Technology RoorkeeRoorkee247667India

In the present study,experimental and numerical investigations were carried out to examine the behavior of sandwich panels with honeycomb *** high velocity impact tests were carried out using a compressed air gun.A sharp conical nosed projectile was impacted normally and with some offset distance(20 mm and 40 mm).The deformation,failure mode and energy dissipation characteristics were obtained for both kinds of ***,the explicit solver was run in Abaqus to create the finite element *** numerically obtained test results were compared with the experimental to check the accuracy of the *** numerical result was further employed to obtain strain energy dissipation in each element by externally running user-defined code in ***,the influence of inscribe circle diameter and cell wall and face sheet thickness on the energy dissipation,deformation and failure mode was *** result found that ballistic resistance and deformation were higher against offset impact compared to the normal impact *** panel impacted at 40 mm offset distance required 3 m/s and 1.9 m/s more velocity than 0 and 20 mm offset ***,increasing the face sheet and wall thickness had a positive impact on the ballistic resistance in terms of a higher ballistic limit and energy ***,inscribe circle diameter had a negative influence on the ballistic ***,the geometrical parameters of the sandwich structure had a significant influence on the energy dissipation in the different deformation *** energy dissipation in plastic work was highest for circumferential direction,regardless of impact condition followed by tangential,radial and axial directions.

关键词： Honeycomb sandwich structure Offset impact Energy dissipation characteristic Deformation and failure mode Geometry effect

Recent advances in multipactor physics and mitigation

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High Voltage 2023年第6期8卷 1095-1114页

作者： Asif iqbal De‐Qi Wen John Verboncoeur Peng Zhang Department of Electrical and Computer Engineering Michigan State UniversityEast LansingMichiganUSA Department of Computational Mathematics Scienceand EngineeringMichigan State UniversityEast LansingMichiganUSA

Recent progress made in the prediction,characterisation,and mitigation of multipactor discharge is reviewed for single‐and two‐surface ***,an overview of basic concepts including secondary electron emission,electron kinetics under the force law,multipactor susceptibility,and saturation mechanisms is provided,followed by a discus-sion on multipactor mitigation *** strategies are categorised into two broad areas–mitigation by engineered devices and engineered radio frequency(rf)*** approach is useful in different *** advances in multipactor physics and engineering during the past decade,such as novel multipactor prediction methods,un-derstanding space charge effects,schemes for controlling multipacting particle trajec-tories,frequency domain analysis,high frequency effects,and impact on rf signal quality are *** addition to vacuum electron multipaction,multipactor‐induced ioni-zation breakdown is also reviewed,and the recent advances are summarised.

关键词： multip kinetics susceptibility

Laboratory to field scale assessment for EOR applicability in tight oil reservoirs

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Petroleum Science 2022年第5期19卷 2131-2149页

作者： Fahad iqbal Syed Amirmasoud Kalantari Dahaghi Temoor Muther Center for Net Carbon Zero GeoEnergy Intelligence and Sustainability(C0GEiS) USA The University of Kansas School of EngineeringChemical and Petroleum Engineering1450 Jayhawk Blvd.LawrenceKS66045USA

Tight oil reservoirs are contributing a major role to fulfill the overall crude oil needs,especially in the ***,the dilemma is their ultra-tight permeability and an uneconomically short-lived primary recovery ***,the application of EOR in the early reservoir development phase is considered effective for fast-paced and economical tight oil *** achieve these objectives,it is imperative to determine the optimum EOR potential and the best-suited EOR application for every individual tight oil reservoir to maximize its ultimate recovery *** most of the tight oil reservoirs are found in wide spatial source rock with complex and compacted pores and poor geophysical properties yet they hold high saturation of good quality oil and therefore,every single percent increase in oil recovery from such huge reservoirs potentially provide an additional million barrels of ***,the EOR application in such reservoirs is quite ***,the physical understanding of EOR applications in different circumstances from laboratory to field scale is the key to success and similarly,the fundamental physical concepts of fluid flow-dynamics under confinement conditions play an important *** paper presents a detailed discussion on laboratory-based experimental achievements at micro-scale including fundamental concepts under confinement environment,physics-based numerical studies,and recent actual field piloting experiences based on the *** *** objective of this paper is to discuss all the critical reservoir rock and fluid properties and their contribution to reservoir development through massive multi-staged hydraulic fracture networks and the EOR *** the CO_(2)and produced hydrocarbon gas injection through single well-based huff-n-puff operational constraints are discussed in detail both at micro and macro scale.

关键词： UEOR UEOR pilots Shale oil Tight oil reservoir Gas injection Hydraulic fracture Huff-n-puff

Genome editing in cotton:challenges and opportunities

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Journal of Cotton Research 2023年第1期6卷 60-80页

作者： KHAN Zulqurnain KHAN Sultan Habibullah AHMED Aftab iqbal Muhammad Umar MUBARIK Muhammad Salman GHOURI Muhammad Zubair AHMAD Furqan yaseen Saba ALI Zulfiqar KHAN Asif Ali AZHAR Muhammad Tehseen Institute of Plant Breeding and Biotechnology MNS University of AgricultureMultan60000Pakistan Cotton Biotechnology Lab Center for Advanced StudiesUniversity of AgricultureFaisalabad38040Pakistan Center for Agricultural Biochemistry and Biotechnology University of AgricultureFaisalabad38040Pakistan Department of Biochemistry University of AgricultureFaisalabad38040Pakistan Better Cotton Initiatives LahorePakistan Department of Biotechnology University of NarowalNarowalPakistan Departmen of Plant Breeding and Genetics University of AgricultureFaisalabad38040Pakistan School of Agriculture Sciences Zhengzhou UniversityZhengzhou450000China

Cotton has enormous economic potential providing high-quality protein,oil,and fibre.A large increase in cotton output is necessary due to the world’s changing climate and constantly expanding human *** the past,conventional breeding techniques were used to introduce genes into superior cotton cultivars to increase production and to improve *** disadvantages of traditional breeding techniques are their time-consuming,reliance on genetic differences that are already present,and considerable *** accomplish goals in a short amount of time,contemporary plant breeding techniques,in particular modern genome editing technologies(GETs),can be *** crop improvement initiatives have made use of GETs,such as zinc-finger nucleases,transcription-activator-like effector nucleases,clustered regularly interspaced palindromic repeats(CRISPR),and CRISPR-associated proteins systems(CRISPR/Cas)-based *** CRISPR/Cas system has a lot of potential because it combines three qualities that other GETs lack:simplicity,competence,and *** CRISPR/Cas mechanism can be used to improve cotton tolerance to biotic and abiotic stresses,alter gene expression,and stack genes for critical features with little possibility of *** transgene clean strategy improves CRISPR acceptability addressing regulatory issues associated with the genetically modified organisms(GMOs).The research opportunities for using the CRISPR/Cas system to address biotic and abiotic stresses,fibre quality,plant architecture and blooming,epigenetic changes,and gene stacking for commercially significant traits are highlighted in this ***,challenges to use of CRISPR technology in cotton and its potential for the future are covered in detail.

关键词： ZFNs TALENs CRISPR/Cas9 Cotton Genetic improvement

CNTFET Based Fully Differential First Order All Pass Filter

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Computer Systems Science & Engineering 2023年第3期44卷 2425-2438页

作者： Muhammad I.Masud iqbal A.Khan Department of Electrical Engineering Umm Al Qura UniversityMakkah21955Saudi Arabia

A novel,carbon nanotubefield effect transistor(CNTFET)based fully differentialfirst order all passfilter(FDFAPF)circuit configuration is *** FDFAPF uses CNTFET based negative transconductors(NTs)and positive transconductors(PTs)in its *** proposed circuit topology employs two PTs,two NTs,two resistors and one *** the passive components of the realized topology are *** only fully differentialfirst order all passfilter(AO-FDFAPF)topology is also derived from the proposed *** electronic tunability of the AO-FDFAPF is obtained by controlling the employed CNTFET based varactor.A tunabilty of pole frequency in the range of 10.5 to 26 GHz is *** the circuits are potential candidates for high frequency fully differential analog signal processing *** compared to prior state-of-the-art works,both the realized topologies have achieved highest pole frequency and lowest power ***,they utilize compact circuit structures and suitable for low voltage ***,both topologies work equally well in the deep *** proposedfilters are analyzed and verified through HPSPICE simulations by utilizing Stanford CNTFET model at 16 nm technology *** is observed that the proposed circuit simulation outcomes verify the theory.

关键词： Fully differential CNTFET all passfilters pole frequency tunability

Error Detection and Pattern Prediction Through Phase II Process Monitoring

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Computers, Materials & Continua 2022年第3期70卷 4781-4802页

作者： Azam Zaka Riffat Jabeen Kanwal iqbal Khan Government Graduate College of Science Wahdat RoadLahorePakistan COMSATS University Islamabad Lahore CampusLahorePakistan Institute of Business&Management University of Engineering and TechnologyLahorePakistan

The continuous monitoring of the machine is beneficial in improving its process reliability through reflected power function *** is substantial for identifying and removing errors at the early stages of production that ultimately benefit the firms in cost-saving and quality *** current study introduces control charts that help the manufacturing concerns to keep the production process in *** presents an exponentially weighted moving average and extended exponentially weighted moving average and then compared their *** percentiles estimator and the modified maximum likelihood estimator are used to constructing the control *** findings suggest that an extended exponentially weighted moving average control chart based on the percentiles estimator performs better than exponentially weightedmoving average control charts based on the percentiles estimator and modified maximum likelihood ***,these results will help the firms in the early detection of errors that enhance the process reliability of the telecommunications and financing industry.

关键词： Reflected power function distribution exponentially weighted moving average extended exponentially weighted moving averages modified maximum likelihood estimator percentile estimator