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Communications in Theoretical Physics 2021年第9期73卷 26-36页

作者： Mostafa M A Khater s K Elagan M A El-shorbagy s H Alfalqi J F Alzaidi nawal A Alshehri Department of Mathematics Faculty of ScienceJiangsu University212013ZhenjiangChina Department of Mathematics Obour High Institute For Engineering and Technology11828CairoEgypt Department of Mathematics Faculty of ScienceTaif University P.O.Box 11099Taif 21944Saudi Arabia Department of Mathematics College of Science and Humanities in Al-KharjPrince Sattam bin Abdulaziz UniversityAl-Kharj 11942Saudi Arabia Department of Basic Engineering science Faculty of EngineeringMenoufia UniversityShebin El-Kom 32511Egypt Department of Mathematics Faculty of Science and ArtsMahayil Asir King Khalid UniversityAbhaSaudi Arabia

This paper studies the analytical and semi-analytic solutions of the generalized Calogero–Bogoyavlenskii–schiff(CBs)*** model describes the(2+1)–dimensional interaction between Riemann-wave propagation along the y-axis and the x-axis *** extended simplest equation(EsE)method is applied to the model,and a variety of novel solitarywave solutions is *** solitary-wave solutions prove the dynamic behavior of soliton waves in *** accuracy of the obtained solution is verified using a variational iteration(VI)semi-analytical *** analysis and the match between the constructed analytical solution and the semi-analytical solution are sketched using various diagrams to show the accuracy of the solution we *** adopted scheme’s performance shows the effectiveness of the method and its ability to be applied to various nonlinear evolution equations.

关键词： generalized Calogero-Bogoyavlenskii-schiff equation accurate analytical semianalytical solutions

Pharmacological effects of ethanol extract of Egyptian Artemisia herba-alba in rats and mice

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Asian Pacific Journal of Tropical Biomedicine 2016年第1期6卷 44-49页

作者： Gehad Abdel Raheem Abdel Jaleel Heba Mohammed Ibrahim Abdallah nawal E.L.sayed Gomaa Pharmacology Department National Research Centre

Objective:To investigate some pharmacological effects including gastroprotective,antiinflammatory,analgesic,antipyretic and in vitro antioxidant effects of Artemisia herbaalba extract in different experimental ***:Inflammation was induced in rat paw by subcutaneous injection of 1%(v/v)carrageenan *** was induced in mice by intraperitoneal injection of 0.6%(v/v) acetic acid *** was induced using Brewer's yeast *** lesion was induced in rats by oral administration of 99% *** anti-inflammatory,analgesic,antipyretic and gastroprotective activities of Artemisia herba-alba extract were investigated *** vitro antioxidant effect was investigated using DPPH free ***:The plant extract showed anti-inflammatory effect in carrageenan-induced paw edema in rats,analgesic effect against acetic acid-induced writhing,and antipyretic activity in Brewer's yeast model of ***,it was shown to be a gastroprotective agent against ethanol-induced gastric *** plant also exhibited a free radical scavenging potential in an in vitro antioxidant study using ***:The results validate the use of the investigated plant in traditional medicine for different ailments.

关键词： Artemisia herba-alba Gastric ulcer Inflammation Antioxidant Rats Mice

Effects of Exposure to Electromagnetic Field on of some Hematological Parameters in Mice

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Open Journal of Medicinal Chemistry 2012年第2期2卷 30-42页

作者： Mariam s. Alghamdi nawal A. El-Ghazaly Department of science Alexandria University Alexandria Egypt sciences Faculty for Girl Department of Zoology King Abdulaziz University Jeddah Kingdom of Saudi-Arabia

Objective: To investigate the effects of electromagnetic fields on some hematological parameters of Male white mice. Methods: In this study two experiments were used as short-term and long-term experiments. short-term experiments were carried out in 80 male white Balb/c mice exposed to two types of mobile phone for a period time up to 60 min a day for 2 weeks. Long-term experiments was carried out in 30 male white Balb/c mice exposed to two types of mobile phone for a period time up to 90 min a day for a day for a month, two months, three months. Result: The present result found that a decline in hemoglobin, hematocrit, red blood cells count, in addition to the platelets count after short and long exposure to both types of mobile phone (Alcatel, Nokia,). It was observed that the average number of white cells and lymphocytes increased significantly, indicating the increase to the body’s immune response to radiation. Also, when exposed to both devices (Alcatel, Nokia) for 15 minutes, the red blood cells began to take roles formation due to an increase in the viscosity of the blood and the ability of the cells adhesion. Increased duration of exposure to 30-minute to both devices revealed disparities in the sizes of red blood cells with the appearance of a large proportion of cells with pale colors due to lack of hemoglobin. In the group exposed for 45 minutes showed clearly the influence of mobile phones on examining blood smears which observed a proportion variation in the cell sizes with the emergence of forms of abnormal forms, including pellets cleft with many areas empty of red blood cells, With increasing in of exposure duration to 60 minutes, red blood cells appeared completely different from the natural form and took the forms resembling the eye and tear that appear in the case of anemia. After three months of exposure to both types of mobile phone showed pathological changes in red blood cells where gripped the outer membrane of the red corpuscle changes and b

关键词： Component White Blood Cells (WBC) Male White Balb/C Mice strain Complete Blood Count Platelets (PLT) Count

Evaluation of wheat ear insects in large scale field in central Germany

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Agricultural sciences 2010年第2期1卷 68-75页

作者： nawal Gaafar Christa Volkmar 不详

Wheat ear insects in large scale winter wheat field in salzmünde (saxsonyAnhalt) central Germany were evaluated. The present study aimed at studying the abundance of wheat blossom midges WBM, sitodoplosis mosellana (Géhin), Contarinia tritici (Kirby) and thrips, Li mothrips cerealium (Haliday) and Haplothrips tritici (Kurdjumov). Infestation in winter wheat during the growing seasons 2007, 2008 and 2009 was evaluated. Three methods were used to determine population densities and damage of wheat midges and thrips;pheromone traps, inspection of ear insects and water traps. A strong correlation between midge’s catches and weather conditions was obtained in field ob servations. A positive correlation between phe romone catches and ear infestation levels was recorded;it was higher in 2008 than in 2009. On the other hand, in 2007 there was no synchro nization;s. mosellana hibernated emerged too late to coincide with the susceptible wheat growth stages. The chemical treatment applied at 2008 for highly infestation;there were sig nificant differences in thrips and midge num bers between treated and untreated. Thrips and midge numbers were lower in the treated than in control. The high midge populations in water traps were recorded at growth stages 7779 and 83 and the low populations were recorded at Gs 75 and 7577. This gives a reliable base for de cision making to midges control.

关键词： Winter Wheat Thrips Wheat Midges Population Densities

Numerical Treatment of Initial-Boundary Value Problems with Mixed Boundary Conditions

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American Journal of Computational Mathematics 2018年第2期8卷 153-174页

作者： nawal Abdullah Alzaid Huda Omar Bakodah Department of Mathematics King Abdulaziz University Jeddah KSA

In this paper, we extend the reliable modification of the Adomian Decom-position Method coupled to the Lesnic’s approach to solve boundary value problems and initial boundary value problems with mixed boundary conditions for linear and nonlinear partial differential equations. The method is applied to different forms of heat and wave equations as illustrative examples to exhibit the effectiveness of the method. The method provides the solution in a rapidly convergent series with components that can be computed iteratively. The numerical results for the illustrative examples obtained show remarkable agreement with the exact solutions. We also provide some graphical representations for clear-cut comparisons between the solutions using Maple software.

关键词： Decomposition Method Modified Adomian Decomposition Method Linear and Nonlinear Partial Differential Equations Mixed Boundary Conditions Initial-Boundary Value Problem

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synovial Joint study

American Journal of Computational Mathematics 2022年第1期12卷 7-24页

作者： nawal Odah Al-Atawi Daoud suleiman Mashat Department of Mathematics Numerical Analysis King Abdulaziz University Jeddah KSA

The impact of certain separate characteristics, including the porosity parameter, reaction rate parameter, and viscoelastic parameters of steady convective diffusion across a rectangular channel, has been investigated in this article. The model’s momentum and concentration equations were developed using the similarities technique, and the numerically finite volume method was combined with the Beavers and Joseph slip conditions. Various graphs have been used to get insight into various parameters of the problem on velocity and concentration. The cartilage surfaces are assumed to be porous, and the viscosity of synovial fluid varies with hyaluronate (HA) content.

关键词： Lubrication Theory Rheology of synovial Fluid Velocity & Concentra-tion similarity Parameters Finite Volume Method

synthesis, spectroscopic Characterization and Thermogravimetric Analysis of Cr(Ⅱ), Cu(Ⅱ), Zn(Ⅱ) and Mg(Ⅱ),Captopril Coordination Compounds

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光谱学与光谱分析 2020年第2期40卷 661-664页

作者： Asma sAl-Wasidi nawal MAl-Jafshar Amal MAl-Anazi Ahmed M.Naglah Robson Fde Farias Claudio Airoldi Moamen sRefat Department of Chemistry College of SciencePrincess Nourah Bint Abdulrahman UniversityRiyadh 11671Saudi Arabia Department of Pharmaceutical Chemistry Drug Exploration and Development Chair(DEDC)College of PharmacyKing Saud UniversityRiyadh 11451Saudi Arabia Peptide Chemistry Department Chemical Industries Research DivisionNational Research CentreCairo 12622-DokkiEgypt Departamento de Química Universidade Federal do Rio Grande do NorteCx.Postal 166459078-970 NatalRio Grande do NorteBrasil Instituto de Química Universidade Estadual de CampinasBrasil Chemistry Department Faculty of ScienceTaif UniversityP.O.Box 888Al-HawiahTaif 21974Saudi Arabia Department of Chemistry Faculty of SciencePort SaidPort Said UniversityEgypt

In this work,we have reported the synthesis and spectroscopic characterization of captopril(Cap)coordination compounds:Cu(Cap)·2H 2O,Cr(Cap)·H 2O,Zn(Cap)·3H 2O and Mg(Cap)***,it is worthily mentioned that the FTIR spectroscopic technique was employed to recognized the nature of coordination between captopril ligand and copper,chromium,zinc and magnesium(Ⅱ)metal *** view of the infrared spectroscopic tool,the copper(Ⅱ)metal ion coordinated toward captopril drug ligand through sulfur atom of sH group dependent on the absent of stretching vibration band of—*** on this result,the stretching motion ofνa(COO)shifts clearly indicates that Cu 2+,Cr 2+,Zn 2+and Mg 2+the carboxylic group is employed as coordinative site for all compounds as a metal-ligand coordinative *** a general behavior,it is verified that the coordination compound thermal stability(considering the release of captopril molecules,not the release of water molecules)is affected by the metal cation radius:minor radius is associated with higher thermal stability,probably due to a higher metal-captopril bond dissociation enthalpy.

关键词： Captopril Transition metals spectroscopy Coordination compounds Thermogravimetry

Effect of Wild Marjoram (<i>Origanum vulgare</i>) Plant Extracts on Capacitation of sheep spermatozoa <i>in Vitro</i>

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Advances in Bioscience and Biotechnology 2019年第4期10卷 82-97页

作者： Ebtesam s. Alenezy Ibrahim A. H. Barakat nawal M. Al Musayeib Zoology Department College of Science King Saud University Riyadh KSA Department of Biology College of Science Hafr Al Batin University Hafr Al Batin Saudi Arabia Cell Biology Department National Research Center Giza Egypt Department of Pharmacognosy College of Pharmacy King Saud University Riyadh Saudi Arabia

The purpose of this study was to evaluate the effect of the addition of Origanum vulgare extract to in vitro capacitation sperm medium (IVCsM). This study investigated the antioxidant and antimicrobial effects of O. vulgare extracts at different concentrations (0.3, 0.6, 1.2 μg/ml and 25.0, 50.0, 100.0 μg/ml, respectively) in IVCsM. significant enhancements in semen quality parameters such as total motility, live and live capacitated sperm were found when O. vulgare extract was added as an antioxidant source (1.2 μg/ml). The treatment of spermatozoa with O. vulgare extract at the highest concentration (100 μg/ml) for 2 hrs without antibiotics improved sperm characteristics. In conclusion, incubation of sperm with O. vulgare extract in capacitation medium had beneficial effects on the characteristics of ram sperm.

关键词： sheep sperm Origanum vulgare In Vitro

Adomian Modification Methods for the solution of Chebyshev’s Differential Equations

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Applied Mathematics 2023年第8期14卷 512-530页

作者： Mariam Al Mazmumy Aishah Alsulami Huda Bakodah nawal Alzaid Department of Mathematics College of Science University of Jeddah Jeddah Saudi Arabia

The current study examines the important class of Chebyshev’s differential equations via the application of the efficient Adomian Decomposition Method (ADM) and its modifications. We have proved the effectiveness of the employed methods by acquiring exact analytical solutions for the governing equations in most cases;while minimal noisy error terms have been observed in a particular method modification. Above all, the presented approaches have rightly affirmed the exactitude of the available literature. More to the point, the application of this methodology could be extended to examine various forms of high-order differential equations, as approximate exact solutions are rapidly attained with less computation stress.

关键词： ADM Modifications Methods Chebyshev’s Differential Equations IVPs series solutions

Women as a Key to Agriculture and Food security in sudan： The Case study of Northern Kordofan state

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Journal of Agricultural science and Technology(B) 2012年第5期2卷 614-620页

作者： Adam Elhag Ahmed nawal Abdalla Imam Khalid H. A. siddig College of Applied Medical sciences King Saud University Administration of Agricultural Economics Ministry of Agriculture and Forests Department of Agricultural Economics Khartoum University

In the rural areas where most of the world＇s hungry people live, women produce most of the locally consumed food. Their contribution could be much greater if they had equal access to essential resources and services, such as land, credit, and training. In sudan, women have always been active in agriculture and food security, constituting 17% to agricultural labor force. However, culture coupled with imperfections of official data underestimates their contribution. Accordingly, this study was carried out in the western part of sudan, namely, North Kordofan state in order to identify and assess the role of women in agriculture and food security and identify the main factors and constraints affecting their contribution to agricultural production in the state. The findings confirm that women contribute 74% to the monthly agricultural income, 65% to total income, 62% to the labor work, and 65% to the household activities. Their average daily working hours are 14, while, those of men are only 8. The study suggests that the removal of the obstacles those women face could increase their contribution to and enhances the livelihood of the people in the state. Hence, a review to the relevant government policies is needed, so that women are empowered by improving their access to resources and credit.

关键词： Women food security sudan Kordofan case study.