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Quran memorisation and heart rate variability:How do they correlate?

World Journal of Clinical Cases 2024年第29期12卷 6275-6284页

作者： Ahmad Rohi Ghazali Nor Malia Abd Warif Noor Anisah A Yazit Norsham Juliana ismarulyusda ishak Farah Wahida Ibrahim Arimi Fitri Mat Ludin Dzalani Harun Santibuana Abd Rahman Wan Nor Atikah Che Wan Mohd Rozali Biomedical Science Programme Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Center for Toxicology and Health Risk Studies Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Faculty of Medicine and Health Sciences Universiti Sains Islam MalaysiaNilai 71800Malaysia Center for Healthy Ageing and Wellness Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Center for Rehabilitation and Special Needs Studies Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Occupational Therapy Programme Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Faculty of Pharmacy and Health Sciences Universiti Kuala Lumpur Royal College of Medicine PerakIpoh Perak 30450Malaysia

BACKGROUND Heart rate variability(HRV)was shown to be affected by performing religious *** To examine the relationship between the level of Quran(the holy book of Muslims)memorisation and HRV among *** This experimental study included 16 Tahfiz students and 16 non-Tahfiz students(n=32).The HRV was measured in three tasks:Recalling familiar verses,memorising new verses,and recalling the newly memorised verses of the *** analysis was done using these parameters:Standard deviation of N-N(heartbeat peak)interval;low frequency(LF);high frequency(HF)and LF/HF *** There were significant differences between tasks for all parameters(P<0.05).However,between the groups,only the LF/HF ratio had significant differences,with F=5.04,P<*** correlation showed a moderate positive correlation between the number of pages memorised and the LF/HF ratio(r=0.61,P<0.05).CONCLUSION Quran memorisation increased the HRV and our results suggested that this activity could be developed as an effective sympathovagal modulation training activity.

关键词： Heart rate variability Autonomic nervous system Quran memorisation Tahfiz student Heartbeat

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Radiation Effects on the Flow and Heat Transfer over a Moving Plate in a Parallel Stream

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Chinese Physics Letters 2009年第3期26卷 151-154页

作者： Anuar ishak School of Mathematical Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia

Effects of thermal radiation on the steady laminar boundary layer flow over a moving plate in a moving fluid is investigated. Under certain conditions, the present problem reduces to the classical Blasius and Sakiadis problems. It is found that dual solutions exist when the plate and the fluid move in the opposite directions. Moreover, the existence of thermal radiation is to reduce the heat transfer rate at the surface.

关键词： No English Keywords

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Boundary layer flow over a moving surface in a nanofluid with suction or injection

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Acta Mechanica Sinica 2012年第1期28卷 34-40页

作者： Norfifah Bachok Anuar ishak Ioan Pop Department of Mathematics and Institute for Mathematical Research Faculty of Science Universiti Putra Malaysia School of Mathematical Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia Faculty of Mathematics University of Cluj

An analysis is performed to study the heat transfer characteristics of steady two-dimensional boundary layer flow past a moving permeable flat plate in a nanofluid. The effects of uniform suction and injection on the flow field and heat transfer characteristics are numerically studied by using an implicit finite difference method. It is found that dual solutions exist when the plate and the free stream move in the opposite directions. The results indicate that suction delays the boundary layer separation, while injection accelerates it.

关键词： Nanofluid .Moving plate. Boundary layer. Suction/injection - Dual solutions

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Series Solution for Unsteady Boundary-Layer Flows Due to Impulsively Stretching Plate

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Chinese Physics Letters 2007年第1期24卷 139-142页

作者： Seripah Awang Kechil ishak Hashim Department of Mathematics Universiti Teknologi MARA 40450 Shah Alam Selangor Malaysia School of Mathematical Sciences Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia

The third-order nonlinear partial differential equation modelling the unsteady boundary-layer flows caused by an impulsively stretching fiat plate is solved by using the Adomian decomposition method （ADM）. The ADM yields analytic solution in the form of a rapidly convergent infinite series with easily computable terms. The series solution using the ADM for the unsteady flows is presented for the first time.

关键词： Series Solution Unsteady Boundary-Layer Flows Impulsively Stretching Plate

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An Iterative Scheme of Arbitrary Odd Order and Its Basins of Attraction for Nonlinear Systems

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Computers, Materials & Continua 2021年第2期66卷 1427-1444页

作者： Obadah Said Solaiman ishak Hashim Department of Mathematical Sciences Universiti Kebangsaan MalaysiaBangi Selangor43600Malaysia

In this paper,we propose a fifth-order scheme for solving systems of nonlinear *** convergence analysis of the proposed technique is *** proposed method is generalized and extended to be of any odd order of the form 2n*** scheme is composed of three steps,of which the first two steps are based on the two-step Homeier’s method with cubic convergence,and the last is a Newton step with an appropriate approximation for the *** iteration of the presented method requires the evaluation of two functions,two Fréchet derivatives,and three matrix inversions.A comparison between the efficiency index and the computational efficiency index of the presented scheme with existing methods is *** basins of attraction of the proposed scheme illustrated and compared to other schemes of the same *** test problems including large systems of equations are considered to compare the performance of the proposed method according to other methods of the same *** an application,we apply the new scheme to some real-life problems,including the mixed Hammerstein integral equation and Burgers’*** and examples show that the presented method is efficient and comparable to the existing techniques of the same order.

关键词： System of nonlinear equations root finding method iterative method order of convergence Burgers’equation

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Boundary Layer Flow over a Continuously Moving Thin Needle in a Parallel Free Stream

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Chinese Physics Letters 2007年第10期24卷 2895-2897页

作者： Anuar ishak Rosllinda Nazar Ioan Pop School of Mathematical Sciences Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia Faculty of Mathematics University of Cluj R-3400 Cluj CP 253 Romania

We investigate the boundary-layer flow on a moving isothermal thin needle parallel to a moving stream. The governing equations are solved numerically by a finite-difference method. Dual solutions are found to exist wh... 详细信息

关键词： coated conductor buffer layer self-epitaxy CeO2

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New Optimal Newton-Householder Methods for Solving Nonlinear Equations and Their Dynamics

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Computers, Materials & Continua 2020年第10期65卷 69-85页

作者： Syahmi Afandi Sariman ishak Hashim Department of Mathematical Sciences Faculty of Science&TechnologyUniversiti Kebangsaan MalaysiaBangi43600Malaysia

The classical iterative methods for finding roots of nonlinear equations,like the Newton method,Halley method,and Chebyshev method,have been modified previously to achieve optimal convergence ***,the Householder method has so far not been modified to become *** this study,we shall develop two new optimal Newton-Householder methods without *** key idea in the development of the new methods is the avoidance of the need to evaluate the second *** methods fulfill the Kung-Traub conjecture by achieving optimal convergence order four with three functional evaluations and order eight with four functional *** efficiency indices of the methods show that methods perform better than the classical Householder’s *** the aid of convergence analysis and numerical analysis,the efficiency of the schemes formulated in this paper has been *** dynamical analysis exhibits the stability of the schemes in solving nonlinear *** comparisons with other optimal methods have been conducted to verify the effectiveness,convergence speed,and capability of the suggested methods.

关键词： Iterative method householder method simple root optimal convergence nonlinear equation

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MHD Flow Towards a Permeable Surface with Prescribed Wall Heat Flux

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Chinese Physics Letters 2009年第1期26卷 169-171页

作者： Anuar ishak Roslinda Nazar Ioan Pop School of Mathematical Sciences Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia Faculty of Mathematics University of Cluj R-3400 Cluj CP 253 Romania

The steady magnetohydrodynamic （MHD） mixed convection flow towards a vertical permeable surface with prescribed heat flux is investigated. The governing partial differential equations are transformed into a system of ordinary differential equations, which is then solved numerically by a finite-difference method. The features of the flow and heat transfer characteristics for different values of the governing parameters are analysed and discussed. Both assisting and opposing flows are considered. It is found that dual solutions exist for the assisting flow, besides the solutions usually reported in the literature for the opposing flow.

关键词： field emission molybdenum dioxide enhancement factor

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Boundary Layer on a Moving Wall with Suction and Injection

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Chinese Physics Letters 2007年第8期24卷 2274-2276页

We investigate the boundary-layer flow on a moving permeable plate parallel to a moving stream. The governing equations are solved numerically by a finite-difference method. Dual solutions are found to exist when the ... 详细信息

关键词： coated conductor buffer layer self-epitaxy CeO2

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Magnetohydrodynamic flow past a shrinking vertical sheet in a dusty hybrid nanofluid with thermal radiation

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Applied Mathematics and Mechanics(English Edition) 2022年第1期43卷 127-140页

作者： I.WAINI A.ishak I.POP Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan Universiti Teknikal Malaysia MelakaDurian Tunggal76100Malaysia Department of Mathematical Sciences Universiti Kebangsaan MalaysiaBangi43600Malaysia Department of Mathematics Babeş-Bolyai UniversityCluj-Napoca400084Romania

The magnetohydrodynamic(MHD)mixed convection flow past a shrinking vertical sheet with thermal radiation is ***,the effects of Cu-Al_(2)O_(3) nanoparticles and dust particles are *** similarity variables reduce the governing equations to the similarity equations,which are then solved *** outcome shows that,for the shrinking case,the solutions are not *** rate of heat transfer and the friction factor enlarge with increasing the values of the copper nanoparticle volume fraction as well as the magnetic ***,the assisting flow and the rise of the thermal radiation reduce these *** solutions are found,and the boundary layer separation is dependent on the mixed convection parameter.

关键词： dusty fluid hybrid nanofluid magnetohydrodynamic(MHD) mixed convection shrinking sheet thermal radiation dual solution

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