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Lie group analysis for thermophoretic and radiative augmentation of heat and mass transfer in a Brinkman-Darcy flow over a flat surface with heat generation

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Acta Mechanica Sinica 2011年第4期27卷 531-540页

作者： faiza A.Salama Department of Mathematics Faculty of ScienceSuez Canal UniversityEgypt

A boundary layer analysis is presented to investigate numerically the effects of radiation, thermophoresis and the dimensionless heat generation or absorption on hydromagnetic flow with heat and mass transfer over a flat surface in a porous medium. The boundary layer equations are transformed to non-linear ordinary differential equations using scaling group of transformations and they are solved numerically by using the fourth order Runge-Kutta method with shooting technique for some values of physical parameters. Comparisons with previously published work are performed and the results are found to be in very good agreement. Many results are obtained and a representative set is displayed graphically to illustrate the influence of the various parameters on the dimensionless velocity, temperature and concentration profiles as well as the local skin-friction coefficient, wall heat transfer, particle deposition rate and wall thermophoretic deposition velocity. The results show that the magnetic field induces acceleration of the flow, rather than deceleration （as in classical magnetohydrodynamics （MHD） boundary layer flow） but to reduce temperature and increase concentration of particles in boundary layer. Also, there is a strong dependency of the concentration in the boundary layer on both the Schmidt number and mass transfer parameter.

关键词： Lie group analysis Brinkman-Darcy flowBoundary layer Heat and mass transfer

Construction of conservation laws for the Gardner equation,Landau-Ginzburg-Higgs equation,and Hirota-Satsuma equation

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Communications in Theoretical Physics 2024年第5期76卷 49-57页

作者： Cheng Chen faiza Afzal Yufeng Zhang School of Mathematics China University of Mining and TechnologyXuzhou221116China Jiangsu Center for Applied Mathematics(CUMT) XuzhouJiangsu 221116China

In this paper,two different methods for calculating the conservation laws are used,these are the direct construction of conservation laws and the conservation theorem proposed by *** these two methods,we obtain the co... 详细信息

关键词： conservation laws Landau-Ginzburg-Higgs equation Hirota-Satsuma equation Gardner equation

Warm Standard Scalar Field Modified Chaplygin Gas Inflation Inspired by Generalized Dissipative Coefficient on the Brane

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Communications in Theoretical Physics 2017年第8期67卷 272-284页

作者： Abdul Jawad faiza Gulshan Shamaila Rani Department of Mathematics COMSATS Institute of Information Technology Department of Mathematics Lahore Leads University

We discuss the warm inflation in the presence of standard scalar field model and modified Chaplyggin gas in brahe-world scenario. We consider weak and strong dissipative regimes with generalized dissipative coefficient. We extract various inflationary parameters. For example, we analyze the behavior of different ratios （ratio of dissipative co-efficient and Hubble parameter Г/3H, ratio of temperature and Hubble parameter T/ H, scalar-to-tensor ratio ＇r） with respect to spectral index ns for the weak and strong dissipative regimes through parametric plotting. It is found that T/H and Г/3H satisfied the required conditions in both dissipative regimes. It is also noted that the spectral index （ns） ns=0.96＋0.10-0.10 It is remarked here that our results are consistence with observational data WMAP7, WMAP9, and recent Planck data.

关键词： brane-world model standard scalar field model modified chaplygin gas inflationary parameters

Smart CardioWatch System for Patients with Cardiovascular Diseases Who Live Alone

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Computers, Materials & Continua 2021年第2期66卷 1237-1250页

作者： Raisa Nazir Ahmed Kazi Manjur Kolhar faiza Rizwan College of Applied Medical Science Prince Sattam Bin Abdulaziz UniversityWadi Ad Dawaser11990Saudi Arabia Department Computer Science Prince Sattam Bin Abdulaziz UniversityWadi Ad Dawaser11990Saudi Arabia

The widespread use of smartwatches has increased their specific and complementary activities in the health sector for patient’s *** this study,we propose a framework referred to as smart forecasting CardioWatch(SCW)to measure the heart-rate variation(HRV)for patients with myocardial infarction(MI)who live alone or are outside their *** this study,HRV is used as a vital alarming sign for patients with *** performance of the proposed framework is measured using machine learning and deep learning techniques,namely,support vector machine,logistic regression,and decision-tree classification *** results indicated that the analysis of heart rate can help health services that are located remotely from the patient to render timely emergency health ***,taking more cardiac parameters into account can lead to more accurate *** the basis of our findings,we recommend the development of health-related software to aid researchers to develop frameworks,such as SCW,for effective provision of emergency health.

关键词： Forecasting system machine learning algorithms medical forecasting systems medical control systems supervised learning

Sirolimus vs tacrolimus: Which one is the best therapeutic option for patients undergoing liver transplantation for hepatocellular carcinoma?

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World Journal of Gastrointestinal Surgery 2022年第8期14卷 862-866页

作者： faiza Ahmed faiza Zakaria Godsgift Enebong Nya Mohamad Mouchli Division of Clinical and Translational Research Larkin Community Hospital-Larkin Healthcare SystemsSouth MiamiFL 33143United States Department of Internal Medicine Dow Medical CollegeKarachi 75400Pakistan Department of Gastroenterology John Hopkins HospitalBaltimoreMD 21218United States Department of Gastroenterology Cleveland ClinicClevelandOH 44195United States

Liver transplantation(LT) withstands as the most preferred therapeutic option for patients afflicted with hepatocellular carcinoma(HCC) and cirrhosis. To improve prognosis post-transplant, as well as to prevent the occurrence of rejection, a lifelong immunosuppression strategy is implemented. The following letter to the editor highlights and provides novel evidence from recently published literature on topics discussed within the review article titled “Trends of rapamycin in survival benefits of liver transplantation for hepatocellular carcinoma” in World J Gastrointest Surg 2021;13: 953-966. In the recent manuscript, the authors compared immunosuppressive drugs such as the newer option first-generation mammalian target of rapamycin inhibitor, also known as sirolimus, with the most widely used first-generation calcineurin inhibitors, such as tacrolimus(TAC). TAC is commonly known as the most effective immunosuppressive drug after LT, but it has been reported to cause intolerable side effects such as nephrotoxicity,neurotoxicity, diabetes, hypertension, gastrointestinal disturbances, increased risk of infections, and malignancies. It is necessary for physicians to be aware of recent advances in tacrolimus and sirolimus therapies to compare and understand distinctly the effectiveness and tolerability of these drugs. This will assist clinicians in making the best treatment decisions and improve the clinical prognosis of LT recipients with HCC.

关键词： Rapamycin Tacrolimus Sirolimus Immunosuppressants Hepatocellular carcinoma Liver transplantation

Sedentary Lifestyle and Health Factors as Leading Cause of Diseases

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Sedentary Lifestyle and Health Factors as Leading Cause of D...

作者： faiza 山东大学

学位级别：硕士

OBJECTIVE:A sedentary lifestyles are one of the main problems of health that causes poor lifestyle changes in developing *** aim of these studies is to link sedentary behavior to deteriorating health in order to raise awareness of the benefits of energetic ***:This study is a descriptive cross-sectional study of duration（2015October to March 2015）involving professional participants 130 who successfully completed the GHQ pre-controlled daily activities David Goldberg and McGill’s pain questionnaire using simple random sampling methods from a multicenter ***:Based on the outcomes,there is important association between inactive lifestyle and deteriorating health factors,indicating test result *** activities and health are about 56%,but an energetic lifestyle is 55%for good health.A inactive lifestyle is about 17%and poor health 16%.In addition,the cross-sectional ratio of active lifestyle and good health shows that 63.9%of Pearson Chi（Pearson Chi）is 15,179 of the ***:In general,there is a significant link between daily activities and *** terms of results,sedentary behavior is associated with deteriorating *** should be responsible for understanding and minimizing the effects of patients’ sedentary lifestyles,considering adapting to an active lifestyle to encourage their effectiveness.

关键词： Adolescents Obesity Physicalinactivity

Hybrid Renewable Energy Resources Management for Optimal Energy Operation in Nano-Grid

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Computers, Materials & Continua 2022年第5期71卷 2091-2105页

作者： faiza Qayyum Faisal Jamil Shabir Ahmad Do-Hyeun Kim Department of Computer Engineering Jeju National UniversityJeju-siJeju Special Self-Governing Province63243Korea Department of IT Convergence Engineering Gachon UniversitySujeong-GuSeongnam-SiGyeonggi-Do461-701Korea

Renewable energy resources are deemed a potential energy production source due to their cost efficiency and harmless reaction to the environment,unlike non-renewable energy ***,they often fail to meet energy requirements in unfavorable weather *** concept of Hybrid renewable energy resources addresses this issue by integrating both renewable and non-renewable energy resources to meet the required energy *** this paper,an intelligent cost optimization algorithm is proposed to maximize the use of renewable energy resources and minimum utilization of non-renewable energy resources to meet the energy requirement for a nanogrid *** actual data set comprising information about the load and demand of utility grids is used to evaluate the performance of the proposed nanogrid energy management *** objective function is formulated to manage the nanogrid operation and implemented using a variant of Particle Swarm Optimization(PSO)named recurrent PSO(rPSO).Firstly,rPSO algorithm minimizes the installation cost for ***,the proposed NEMS ensures cost efficiency for the post-installation period by providing a daily operational plan and optimizing renewable ***-of-the-art optimization models,including Genetic Algorithm(GA),bat and different Mathematical Programming Language(AMPL)solvers,are used to evaluate the *** study’s outcomes suggest that the proposed work significantly reduces the use of diesel generators and fosters the use of renewable energy resources and beneficiates the eco-friendly environment.

关键词： Smart grid nanogrid distributed generation(DG) renewable energy optimization machine learning

Study on Influencing Factors of Wheat Production Efficiency: Evidence from Pakistan

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Study on Influencing Factors of Wheat Production Efficiency:...

作者： faiza Ahsan 四川农业大学

学位级别：硕士

Crop Farming has great importance in Pakistan,as it is known as the backbone of the national *** plays a vital role and lays down the foundation for economic development and growth in this country and Agriculture contributes more than 21%in the national ***43%of the Pakistan population directly or indirectly is engaged with *** is the basic and staple food in Pakistan and a large source of calories in the *** use of production sources is known as *** factors directly or indirectly effect the productivity *** force,capital,technology,land area under cultivation and water availability are some of *** is an extensive yield gap between progressive farmers and common farmers which is due to lack in seed rate,poor method of weeds control,improper use of irrigation water,insufficient dosage of chemical fertilizers,*** yield of wheat is still low and instable against the world major wheat growing *** major reasons for low yield and instability includes delayed harvesting of kharif crops like cotton,sugarcane and rice,and consequent late planting of wheat,non-availability of improved inputs like seed,inefficient fertilizer use,weed infestation,shortage of irrigation water,drought in rainfed and terminal heat stress and soil degradation and lack of latest *** yields differ on fields having the same location,soil type,access to irrigation water and sources,similar varieties and level of *** in management practices followed at these farms is one potential reason for this variation and contributes to the technical efficiency *** existence of higher technical inefficiencies could fully offset the potential gains of highly superior *** from the production factors,environment is most important factor especially for wheat *** concentration of carbon dioxide increases the productivity for wheat *** on the other hand,decrease in CO

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Structural and optical properties of thermally reduced graphene oxide for energy devices

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Chinese Physics B 2017年第8期26卷 346-352页

作者： Ayesha Jamil faiza Mustafa Samia Aslam Usman Arshad Muhammad Ashfaq Ahmad Department of Physics COMSATS Institute of Information TechnologyLahore 54000Pakistan

Natural intercalation of the graphite oxide, obtained as a product of Hummer＇s method, via ultra-sonication of water dispersed graphite oxide has been carried out to obtain graphene oxide（GO） and thermally reduced graphene oxide（RGO）.Here we report the effect of metallic nitrate on the oxidation properties of graphite and then formation of metallic oxide（MO） composites with GO and RGO for the first time. We observed a change in the efficiency of the oxidation process as we replaced the conventionally used sodium nitrate with that of nickel nitrate Ni（NO_3）_2, cadmium nitrate Cd（NO_3）_2,and zinc nitrate Zn（NO_3）_2. The structural properties were investigated by x-ray diffraction and observed the successful formation of composite of MO–GO and MO–RGO（M = Zn, Cd, Ni）. We sought to study the effect on the oxidation process through optical characterization via UV-Vis spectroscopy and Fourier Transform Infrared（FTIR） ***, Thermo Gravimetric Analysis（TGA） was carried out to confirm 〉 90% weight loss in each process thus proving the reliability of the oxidation cycles. We have found that the nature of the oxidation process of graphite powder and its optical and electrochemical characteristics can be tuned by replacing the sodium nitrate（NaNO_3） by other metallic nitrates as Cd（NO_3）_2, Ni（NO_3）_2, and Zn（NO_3）_2. On the basis of obtained results, the synthesized GO and RGO may be expected as a promising material in antibacterial activity and in electrodes fabrication for energy devices such as solar cell, fuel cell,and super capacitors.

关键词： thermal properties of graphene oxide and reduced graphene oxide optical properties structuralproperties fuel cell composite materials