Publications

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1990
El-Hadidi, M. T., "Important Considerations for Implementing Computer Networks in Arab Universities", Third Conference on Microcomputers, Cairo (EGYPT), 1990.
Ezz El -Dien, N. M., M. S. Abd El-Rahman, E. A. E. Imam, M. M. Fahmy, and H. M. A. El-Gawady, "Incidence of the enteric helminth parasites of marine water fishes in Suez Canal area, Egypt. ", J. Egypt. Vet. Med. Ass. , vol. 50, issue 4, pp. 497-506., 1990.
, "Incidence of the enteric helminth parasites of marine water fishes in Suez Canal area, Egypt", J. Egypt. Vet. Med. Ass. 50 (4): 497-506., vol. 50, issue 4, pp. 497-506, 1990.
El-Rahman, A. H. A., "The inhibition behaviour of some 1,2-azole derivatives for the corrosion of mild steel in sulphuric acid solutions.", Mat. -wiss. u. Werkstofftech, vol. 21, pp. 365, 1990.
Refai, M., S. El-Gibaly, and A.: Adawi, "Initiation of a national brucellosis control program in Egypt.", Advances in Brucellosis Research. Edit. By L. Garry Adams., Texas., USA. , Texas A&M Univ. , 1990. initiation_of_natiopnal_brucellosis_control_program.pdf
Al Masry, A. A., A. M. Abdel Gwad, and A. S. Nassar, "isolation of Toxoplasma gondii, Isospora felis and Isospora revolta. from sheep, goats and chicken in Egypt", J.Egypt.Vet.Ass., vol. 2, issue 50, pp. 275-284, 1990.
El-Garf, A., and S. Salah, "Juvenile Systemic Lupus Erythematosus among Egyptian Children", J Rheumatology , vol. 17, issue 9, pp. 1168-1170, 1990.
El-Garf, A., and S. Salah, "Juvenile Systemic Lupus Erythematosus among Egyptian Children", J Rheumatology , vol. 17, issue 9, pp. 1168-1170, 1990.
Hefny, M. M., W. A. Badawy, and S. S. El-Egamy, ""Kinetics of Passivation of Lead in Phosphate Solutions ", Electrochim. Acta, vol. 35, pp. 799, 1990.
Totonji, A., N. El-Khatib, M. Dokla, and M. H. Sayyouh, Laboratory and numerical investigation of enhanced recovery for Saudi oil fields by surfactant and polymer flooding, , Saudi Arabia , Published by King Abduylaziz City for Science and Technology, SANCST, 1990.
El-Fishawy, A. M., G. H. Mahran, and A. M. Hilal, "Macro –and Micromorphology of Jacaranda mimosaefolia D. Don growing in Egypt part I: The Root, Stem and Leaf ", Bull. Fac .pharm.Cairo Univ., vol. 28, pp. 71, 1990.
El-Fishawy, A. M., G. H. Mahran, and H. A.M., "Macro–and Micromorphology of Jacaranda mimosaefolia D Don growing in.Egypt part II: The Flower.", Bull. Fac .pharm.Cairo Univ., vol. 28, pp. 77, 1990.
El-Fishawy, A. M., G. H. Mahran, and H. A.M., "Macro–and Micromorphology of Jacaranda mimosaefolia D. Don growing in Egypt part III:The Seed and Fruit,", Bull. Fac .pharm.Cairo Univ., vol. 28, pp. 83, 1990.
Taha, A. A., Management of Arterio-Venous Malformation of the limbs, , Cairo, Cairo University, 1990.
Taha, M., A. A. Mahmoud, and M. Nassar, "Mathematical Treatment of a Single Pile In Non homogeneous Soils", J. Eng. and Applied Science, Cairo Univ, vol. 40, issue 3, pp. 445-458 , 1990.
M., K., "Medium Term Growth Projections for Kuwait from A Dynamic CGE Model", Structuralist Computable General Equilibrium Models for Developing World, issue MIT Press, pp. PP. 333-357, 1990.
Rashad, F. M., undefined, and M.A.Bekheit, "Microbiological and chemical evaluation of local precooked bouillon cubes.", Bull. Fac. Agric. Cairo Univ., vol. 41, issue 2, pp. 277-294, 1990.
El Husseini, M. M., "Mikrobielle Bekämpfung von Insekten in Ägypten", Wiss.Zeitschr. der Humboldt –Univ.,Berlin,R.Agrarwiss., vol. 39, issue 2, pp. 170-172, 1990.
Elansary, A. S., and D. N. Contractor, "Minimization of stresses and pressure surges", Journal of Pressure Vessel Technology, vol. 112, issue 3, pp. 311-316, 1990. Abstract

The control of stresses and liquid pressure surges in pipes is an important problem in the design of hydraulic pipe networks. The method of characteristics has been used to solve the transient stresses and pressures in liquid-filled piping systems. The friction force is included in the equation of motion for the fluid and the pipe wall. The maximum pressure and maximum stress at any point along the length of the pipe are evaluated for the entire simulation time. The Von Mises criterion is used for the stress calculation. A nonlinear search technique has been developed using the simplex method. The optimal valve closure is sought, that will minimize the maximum pressure and/or stresses. A continuous optimal valve closure policy is specified using spline functions. Numerical examples are presented showing the reduction of the dynamic stress and the dynamic pressure from linear valve closure to optimal valve closure.

M., K., and G. R. Morgan, "A Modelling Framework for Fisheries Development Planning", Journal of Ocean and Shoreline Management, vol. 14, pp. pp.11- 33, 1990.
Sayyouh, M. H., "A modified model for estimating initial and gas reservoir reserves", Int. J. Energy Sources, vol. 12, issue 1, 1990. a_modified_model_for_estimating.pdf
Adham, I. K., H. A. sattar, A. H. A. S. Gaballa, and M. M. Elkholy, Multisystem organ failure , , Cairo , Cairo , 1990.
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