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Habib, S. E. - D., and J. G. Simmons, "Theory of switching in< i> p-< i> n-insulator (tunnel)-metal devices—II: Avalanche mode", Solid-State Electronics, vol. 23, no. 5: Pergamon, pp. 497–505, 1980. Abstract


Habib, S. E. D., and J. G. Simmons, "Theory of the metal-insulator-semiconductor thyristor", Solid-State and Electron Devices, IEE Proceedings I, vol. 127, no. 4: IET, pp. 176–182, 1980. Abstract


Safar, Z. S., "Thermal and Inertia Effects in Turulent-Flow Thrust Bearings", Journal of Mechanical Engineering Science, vol. 22, no. 1: Sage Publications, pp. 43–45, 1980. Abstract
Safar, Z. S., "A thermohydrodynamic solution of thrust bearings operating under non-axisymmetric conditions", Wear, vol. 63, no. 1: Elsevier, pp. 131–142, 1980. Abstract
Zedan, H. H., O. M. El-Tayeb, and M. A. Amin, "Transformation of various penicillins by washed cells and nongerminating spores of freshly isolated microbial strains", Sixth International Fermentation Symposium, London, Ontario, Canada.: Waterloo Univ., 1980.
El-Sherif, M. A., M. H. Belal, and T. Badra, "Über die Polyphenoloxydase bei gesunden sowie von Rotylenchulus reniformis Lin. et Ol. und Meloidogyne incognita Chit.(Nematoda) befallenen Tomaten", Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz, vol. 53, issue 1: Springer, pp. 10-13, 1980. Abstract
Hathout, M. K., A. K. Abou-Raya, H. M. El-Nouby, Y. I. El-Talty, and A. M. Abdel-Khabir, "Utilization of water hyacinth as animal feed. 1. Proximate and mineral composition, feeding quality of shoots hay for sheep.", Agricultural Research Review, vol. 58, issue 6, pp. 33-47, 1980. Abstract
Radwan, A.A., E. - M. B. H. M. A. A., and M. R. Omarah., "Vegetative growth and yield of strawberry as affected by cold storage of runners and transplanting date.", Egypt. J. Hort., vol. 7, pp. 93–107, 1980. Abstract
A.Y.Abul-Magd, M.H.Simbel, and M.Y.H.Farag, "Volume integrals and root - mean - square radii of the optical potential", Canadian Journal of Physics, vol. 58, pp. 1230, 1980.
Braham, A., The {Architecture} of the {French} {Enlightenment}, , London, Thames and Hudson, 1980. Abstract
Morgan, G., and L. Smircich, "The {Case} for {Qualitative} {Research}", Academy of Management Review, vol. 5, pp. 491–500, 1980. Abstract
El-Sherbiny, M., "Mechanisms of Failure of Sintered Friction Lining", 2nd International Tribology Conf, Budapest, Hungary, Oct, 1979.
Khalil, E. E., "Numerical Computation of Turbulent Flow Structure in a Cyclone Chamber", 18th ASME National Heat Transfer Conference,Paper 79-HT-31., San Diego,USA, July , 1979.
Khalil, E. E., M. M. AbouElLail, and M. M. ElKotb, "On The Structure Of Turbulent Swirling Premixed Flames", 2nd Int. Symposium On Turbulent Shear Flow, 3.24-3.30, London, July, 1979.
Khalil, E. E., T. Cebeci, and J. H. Whitelaw, "Calculation of Separated Boundary-Layer Flows ", 17th Aerospace Sciences Meeting ,Paper 79-0284., Reno, USA, January, 1979.
Barrada, A. M., W. C. Wheaton, and P. Annez, A Proposal for: Improving the Legal Relationships between Tenant and Landlord in Egypt, , Cairo, Egypt, CU/MIT Technology Adaptation Program, pp. 1-9, December 1979. egyption_housing_leasing_prob.pdf
Hadidi, M., and S. C. Schwartz, "Linear recursive state estimators under uncertain observations", Automatic Control, IEEE Transactions on, vol. 24, no. 6, pp. 944-948, Dec, 1979. Abstract
El-Hebeary, M. R., "Delayed Cracking in Weld HAZ without Hydrogen", X. Huttenmannische Materialprufertagung, Balatonaliga, Ungarn, pp. 239, 2-6 Mai, 1979.
Monib, M., Y. Abd-el-Malek, I. Hosny, and M. Fayez, "Associative symbiosis of Azotobacter chroococcum and higher plants.", Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Zweite naturwissenschaftliche Abteilung: Mikrobiologie der Landwirtschaft der Technologie und des Umweltschutzes, vol. 134, issue 2, pp. 133 - 139, 1979. AbstractWebsite

The association between a selected strain of Azotobacter chroococcum and seven plants was investigated in water cultures under sterile conditions. Azotobacter population progressively increased in the nutrient solution and on the rhizoplane. Microbial propagation depends on the type of plant, being much higher in presence of wheat, followed by barley, maize, broad bean, and cotton, while in presence of fenugreek and lentil lower rates of multiplication were recorded. Inoculation increased the dry weight of plants by 5--12% and in length by 3--18% in addition to increased nitrogen content of plants and nutrient solution. Nitrogen balance showed no significant change in systems devoid of Azotobacter, but association between plants and the microorganism invariably showed positive results. The extent of N2-fixation depends on the type of plants; higher gains were recorded in presence of non-leguminous plants.

Eisa, A. M., E. S. El-Badawi, M. B. A. Saad, A. M. Ibrahim, and A. Y. El-Gezuli, Check list first records of helminth parasite of domestic and wild animals reported in the Sudan during the period 1902–1979, , vol. 1, pp. 55 - 63, 1979. Abstract
Monib, M., Y. Abd-el-Malek, I. Hosny, and M. Fayez, "Effect of Azotobacter inoculation on plant growth and soil nitrogen.", Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Zweite naturwissenschaftliche Abteilung: Mikrobiologie der Landwirtschaft der Technologie und des Umweltschutzes, vol. 134, issue 2, pp. 140 - 148, 1979. AbstractWebsite

The validity of seed bacterization with Azotobacter chroococcum in soils of variable densities of naturally present azotobacters was studied. Inoculation of barley grains had no effect on counts of total microflora, neither in rhizosphere nor in root-free soil, but significantly increased Azotobacter population, especially in the rhizosphere. The rate of colonization in the root region was much higher when soil initially harboured low Azotobacter densities. Bacterization improved plant growth and increased soil nitrogen through nitrogen fixation. Nitrogen balance in soils showed higher gains in the inoculated treatments over the uninoculated analogues of 30--98 ppm.

Monib, M., Y. Abd-el-Malek, I. Hosny, and M. Fayez, "Seed inoculation with Azotobacter chroococcum in sand cultures and its effect on nitrogen balance", Zentralblatt fur Bakteriologie Parasitenkunde Infektionskrankheiten und Hygiene Zweite Abteilung, vol. 134, issue 3, pp. 243 - 248, 1979. AbstractWebsite
Khalil, E. E., "Mathematical Modeling of Radiative Heat Transfer in Axisymmetric Furnaces", 17th Aerospace Sciences Meeting, AIAA Paper 79-0099., USA, 10 January, 1979.
Smith DH, Timms GL, and R. M, " Outbreak of botulism in Kenyan nomads. ", Ann Trop Med Parasitol. , vol. ;73(2):, pp. 145-8., 1979. outbreak_of_botulism.pdf