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Abdelhamid, Abdou O.,Abdou, Sadek E.,Mahgoub, Sayed A. The Pharmaceutical Society of Korea 1992 Archives of Pharmacal Research Vol.15 No.4
Furoyldroximoyl chloride 3d reacted with 2-aminopyridine, 2-aminopyrimidine. O-aminophenol, O-phenylenediamine and aminothiophenol to afford imidazo [1, 2-a]pyridine 6. imidazo[1, 2-a]pyrimidine 8, benzoxadiazine 10, nitrosobenzopyrizine 13a and nitrosobenzothiazine 13b, respectively. Isoxazoline 18 and pyrrolidino[3, 4-d]isoxazolin-4, 6-dione derivatives 19a and 19b obtained by the reaction of 3 with acrylonitrile and N-arylmaleimide. Hydroximoyl chloride 3 reacted with thiophenol and sodium benzene-sulfinate to yield furylglyoxaloxime 16a and 16b, respectively. Hydroximoyl chloride 3 reacted also with some active methylene compound to give isoxazole derivatives 20-23, respectively.
Abdou S. El-Tabl,Mohamad M. E. Shakdofa,Ahmed N. Al-Hakimi,Ahmed M. A. El-Seidy 대한화학회 2011 대한화학회지 Vol.55 No.1
New series of Mn(II), Ni(II), Co(II), Cu(II) and Zn(II) of the 2-(benzothiazol-2-yl)-N'-(2,5-dihydroxybenzylidene)acetohydrazide have been synthesized and characterized by elemental analysis, IR, UV-vis, ^1H-NMR, mass and ESR spectra, magnetic susceptibility and molar conductivity measurements. The spectral data and magnetic measurements of the complexes indicate that, the geometries are either square planar or octahedral. The biological activity of the ligand and its complexes against fungi (Aspergillus nigar and Fusarium oxysporium) were investigated. The metal complexes exhibited higher activity than both the parent ligand and the corresponding metal ion.
INTEGRAL EQUATIONS WITH CAUCHY KERNEL IN THE CONTACT PROBLEM
Abdou, M.A. 한국전산응용수학회 2000 The Korean journal of computational & applied math Vol.7 No.3
The contact problem of two elastic bodies of arbitrary shape with a general kernel form, investigated from Hertz problem, is reduced to an integral equation of the second kind with Cauchy kernel. A numerical method is adapted to determine the unknown potential function between the two surfaces under certain conditions. Many cases are derived and discussed from the work.
Subacute Toxicity of Nerium oleander Ethanolic Extract in Mice
Abdou, Rania H.,Basha, Walaa A.,Khalil, Waleed F. Korean Society of ToxicologyKorea Environmental Mu 2019 Toxicological Research Vol.35 No.3
Nerium oleander (N. oleander) is a well-known poisonous shrub that is frequently grown in gardens and public areas and contains numerous toxic compounds. The major toxic components are the cardiac glycosides oleandrin and neriin. The aim of our study was to evaluate the toxic effects of an ethanolic N. oleander leaf extract on haematological, cardiac, inflammatory, and serum biochemical parameters, as well as histopathological changes in the heart. N. oleander extract was orally administered for 14 and 30 consecutive days at doses of 100 and 200 mg of dried extract/kg of body weight in 0.5 mL of saline. The results showed significant increases in mean corpuscular volume, white blood cell counts, platelet counts, interleukins (IL-1 and IL-6), tumour necrosis factor alpha, C reactive protein, alanine aminotransferase, lactate dehydrogenase, creatine kinase and creatine kinase MB, especially at high doses. Marked pathological changes were perceived in the heart tissue. Thus, it can be concluded that exposure to N. oleander leaf extract adversely affects the heart and liver.
ON THE NUMERICAL SOLUTIONS OF INTEGRAL EQUATION OF MIXED TYPE
Abdou, Mohamed A.,Mohamed, Khamis I. 한국전산응용수학회 2003 Journal of applied mathematics & informatics Vol.12 No.1
Toeplitz matrix method and the product Nystrom method are described for mixed Fredholm-Volterra singular integral equation of the second kind with Carleman Kernel and logarithmic kernel. The results are compared with the exact solution of the integral equation. The error of each method is calculated.
ON ASYMPTOTIC METHOD IN CONTACT PROBLEMS OF FREDHOLM INTEGRAL EQUATION OF THE SECOND KIND
Abdou, M.A. 한국전산응용수학회 2002 The Korean journal of computational & applied math Vol.9 No.1
Besides asymptotic method, the method of orthogonal polynomials has been used to obtain the solution of the Fredholm integral equation. The principal (singular) part of the kerne1 which corresponds to the selected domain of parameter variation is isolated. The unknown and known functions are expanded in a Chebyshev polynomial and an infinite a1gebraic system is obtained.
New weighting agent for water-based mud, um-bogma area, central Sinai, Egypt
Abdou, Mahmoud I.,Ahmed, Hany El Sayed Techno-Press 2017 Advances in environmental research Vol.6 No.3
A successful oil well drilling depends largely on a good mud Program. During drilling, mud provides sufficient hydrostatic pressure, removes drill cuttings and cools drill bits. Mud additives are always required to provide sufficient hydrostatic pressure to ensure borehole stability. Barium Sulphate ($BaSO_4$) also known as barite is the prevalent weighting material but there is needed to develop local materials to augment the use of Barite. The present search is concerned on the early Carboniferous succession exposed in Um Bogma Formation, west central Sinai, Egypt as a new weighting agent in drilling fluids. The increases in the cost of drilling fluids and a shortage of using barite have introduced the locale dolomite as alternative weighting materials. The rheological properties of mud drilling samples weighted by local dolomite samples are being examined and investigated to know its potential to be used as a weighting material in drilling mud. Two mud samples were prepared which comprised of fresh water, caustic soda, bentonite and the weighting material. The weighting materials are added to achieve the required density. The first sample: Water-based mud with commercial barite of density between 10.00 lb/gm and 18.00 lb/gm. The second sample: Water-based mud with dolomite of density between 10.00 lb/gm and 18.00 lb/gm. These samples were analyzed and the density, rheological properties, aging of barite and dolomite and solid contents were investigated. At 10.00 lb/gm, the yield point of dolomite was $20.00lb/100ft^2$ and barite $22.00lb/100ft^2$ while the 10 second gel strength of dolomite was $30.00lb/100ft^2$ and $22.00lb/100ft^2$ for barite. Similarly, little difference was observed in plastic and apparent viscosities. At 10.00 lb/gm, the plastic and apparent viscosities of dolomite were 8.00 cp and 20.00 cp while barite was 8.00 cp and 24.00 cp. The result show that dolomite mud sample gave a little higher yield point and gel strength than barite mud sample. Therefore, dolomite has the potential to be used as weighting material in drilling mud in place of barite thereby enhancing the local content initiative of the government. When dolomite is sourced locally and used it will reduce overall mud and drilling costs.
Distribution and Survival Functions With Applications in Intuitionistic Random Lie C*-Algebras
Abdou, Afrah A. N.,Cho, Yeol Je,Saadati, Reza Eudoxus Press LLC 2016 Journal of computational analysis and applications Vol.21 No.2
<P>In this paper, first, we consider the distribution and survival functions and we define intuitionistic random Lie C-algebras. As an application, using the fixed point method, we approximate the derivations on intuitionistic random Lie C-algebras for the the following additive functional equation S-i=1(m) f(mx(i) + Sigma(m)(j=1,j not equal i) x(j)) + f(Sigma(m)(i=1)x(i)) = 2f (Sigma(m)(i=1) mx(i)) for all m is an element of N with m >= 2.</P>
Distance type and common fixed point theorems in Menger probabilistic metric type spaces
Abdou, A.A.N.,Je Cho, Y.,Saadati, R. Elsevier [etc.] 2015 Applied Mathematics and Computation Vol.265 No.-
In this paper, we introduce the concept of rt-distance on a Menger probabilistic metric type space. Further we prove some fixed point theorems in a complete Menger probabilistic metric type space which generalizes some famous fixed point theorems.