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1990
El-Husseiny, O., S. A. Arafa, S. M. Shalash, and G. M. Abdou, "Effect of oil fat sources and levels on nutrients metabolism and the performance of broiler chicks", Annals of Agricultural Science, Moshtohor (Egypt), 1990. Abstract
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El-Husseiny, O., S. A. Arafa, S. M. Shalash, and G. M. Abdou, "Effect of oil fat sources and levels on nutrients metabolism and the performance of broiler chicks", Annals of Agricultural Science, Moshtohor (Egypt), 1990. Abstract
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El Zayat, M. M., M. H. El Hammady, M. H. Mostafa, and M. S. A. Shafie, "Effect of potato virus y infection on Atropa belladonna L. 1. Plant height, yield, alkaloids and free amino acids contents.", Annals of Agricultural Science, University of Ain Shams (Egypt), 1990. Abstract
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Barkawi, A. H., A. A. Barghout, and A. E. Abdelaal, "Effect of ram introduction on post-partum resumption of ovarian activity in Merino and Merino X Ossimi ewes.", Egyptian Journal of Animal Production, vol. 27, issue 1, pp. 27-35, 1990. Abstract
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Ismail, I. M. K., A. - A. M. Salama, M. I. A. Ali, and S. A. - E. Ouf, "Effect of soil amendment with Eucalyptus rostrata leaves on activity of hydrolytic enzymes, total phenol content and onion-white-rot disease incidence", Zentralblatt für Mikrobiologie, vol. 145, no. 3: Elsevier, pp. 219–228, 1990. Abstract
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Fahim, M. M., A. M. F. Abada, and K.A., "Effect of solarization on fungi causing root and crown-rot disease of strawberry", 8 th Cong. of Mediterra. Phytopathol. Union, Agadir, Morocco, pp. 392–395, 1990. Abstract
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Shabana, R., N. Abu-Hagaza, A. F. EL-Kholi, A. L. Abou Gabal, and M. H. Madkour, Effect of some micro nutrients application on radiation induced sesame mutants, , 1990. Abstract
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Safar, Z. S., M. O. A. Mokhtar, and T. A. Osman, "Effect of Surface Texture Geometry on the Dynamic Performance of Hydrostatic Bearings", Surface Engineering: Springer Netherlands, pp. 490–503, 1990. Abstract
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HADDAD, E. I. D. E., and M. A. G. D. I. M. MASHALY, "Effect of thyrotropin-releasing hormone, triiodothyronine, and chicken growth hormone on plasma concentrations of thyroxine, triiodothyronine, growth hormone, and growth of lymphoid organs and leukocyte populations in immature male chickens", Poultry science, vol. 69, issue 7: Poultry Science Association, pp. 1094-1102, 1990. Abstract
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IA Abd El- Gawad, MM Metwally, A. E. M. E. M. E. - S., "Effect of using different microbial ratio within the mixed cultures on Ras cheese-making from cow’s and buffaloe’s milk", African Journal of Agriculture Science, vol. 17, pp. 12-24, 1990. Abstract
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IA Abd El- Gawad, MM Metwally, A. E. M. E. M. E. - S., "Effect of using different microbial ratio within the mixed cultures on Ras cheese-making from cow’s and buffaloe’s milk", African Journal of Agriculture Science, vol. 17, pp. 12-24, 1990. Abstract
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I A Abd El Gawad, M M Metwally, M. E. L. S. A. E. E. M., "Effect of using different microbial ratio within the mixed cultures on Ras cheese-making from cow’s and buffaloe’s milk.", African J. of Agric. Sci.,, vol. 17, issue 1, pp. 12-24, 1990. Abstract
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Abdel-Aal, S. I., M. E. Shawky, and R. R. Shahin, "Effects of land use on aggregation and carbonate mineralogy of some desertic calcareous soils of Egypt.", Egyptian Journal of Soil Science, vol. 30, issue 1-2, pp. 43-58, 1990. Abstract
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Abdel-Aal, S. I., M. E. Shawky, and R. R. Shahin, "Effects of land use on aggregation and carbonate mineralogy of some desertic calcareous soils of Egypt.", Egyptian Journal of Soil Science, vol. 30, issue 1-2, pp. 43-58, 1990. Abstract
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Abdel-Aal, S. I., M. E. Shawky, and R. R. Shahin, "Effects of land use on aggregation and carbonate mineralogy of some desertic calcareous soils of Egypt.", Egyptian Journal of Soil Science, vol. 30, issue 1-2, pp. 43-58, 1990. Abstract
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Refaei, A. F., M. A. Hegazy, N. M. Hussein, and M. A. El Hamaky, "Efficiency of certain insecticides, insect growth inhibitors and their combinations against the cotton leafworm larvae in cotton plantations of Egypt.", Mededeling van de Faculteit Landbouwwetenschappen, Rijksuniversiteit Gent, vol. 55, issue 2b, pp. 601-607, 1990. Abstract
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Abdel-Salam, A. M., and A. H. Amin, "An Egyptian isolate of beet curly top virus: New differential hosts, physical properties, seed transmission and serologic studies.", Bull. Fac. Agric., Univ. Cairo., vol. 41, pp. 843–858, 1990. Abstract
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Megahed, M. M., "Elastic-plastic behaviour of a thick-walled tube with general nonlinear hardening properties", International Journal of Mechanical Sciences, vol. 32, no. 7: Elsevier, pp. 551–563, 1990. Abstract
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Mousa, M.A., S. A. A. M. M. A., "Electrical conduction in some -γ-irradiated and unirradiated metal-zinc ferrites", Thermochimica Acta, vol. 158, no. 1, pp. 177-181, 1990. AbstractWebsite

The electrical conductivity of some γ-irradiated and unirradiated metal-zinc ferrites, M0.1Zn0.9Fe2O4 (M ≡ Mn2+, Co2+, Ni2+, Cu2+ or Mg2+), was investigated as a function of temperature. The ferrites investigated showed n-type conduction. The electrical conduction in M0.1Zn0.9Fe2O4 (M ≡ Co2+, Cu2+, Mn2+, or Ni2+, can be explained by a hopping mechanism, whereas the conduction in ZnFe2O4 and Mg0.1Zn0.9Fe2O4 is interpreted on the basis of the transfer of charge carriers through the cation vacancies present in octahedral sites. The effect of γ-irradiation on the conduction process is discussed. © 1990.

Mousa, M.A., S. A. A. M. M. A., "Electrical conduction in some -γ-irradiated and unirradiated metal-zinc ferrites", Thermochimica Acta, vol. 158, no. 1, pp. 177-181, 1990. AbstractWebsite

The electrical conductivity of some γ-irradiated and unirradiated metal-zinc ferrites, M0.1Zn0.9Fe2O4 (M ≡ Mn2+, Co2+, Ni2+, Cu2+ or Mg2+), was investigated as a function of temperature. The ferrites investigated showed n-type conduction. The electrical conduction in M0.1Zn0.9Fe2O4 (M ≡ Co2+, Cu2+, Mn2+, or Ni2+, can be explained by a hopping mechanism, whereas the conduction in ZnFe2O4 and Mg0.1Zn0.9Fe2O4 is interpreted on the basis of the transfer of charge carriers through the cation vacancies present in octahedral sites. The effect of γ-irradiation on the conduction process is discussed. © 1990.

, "The electrical conductivity of benzaldazine and its o-, m- and p-hydroxy substituents", Thermochimica Acta, vol. 168, no. C, pp. 25-30, 1990. AbstractWebsite

The electrical conductivity of benzaldazine and its o-, m- andp-hydroxy substituents has been measured over a temperature range with included their phase transition temperatures. The effect of intermolecular overlapping as well as hydrogen bonding on the conduction mechanism in the low and high temperature regions was studied using IR spectra and conductivity data. The activation energy values obtained showed that all the compounds behaved as semiconducting materials. © 1990.

, "The electrical conductivity of benzaldazine and its o-, m- and p-hydroxy substituents", Thermochimica Acta, vol. 168, no. C, pp. 25-30, 1990. AbstractWebsite

The electrical conductivity of benzaldazine and its o-, m- andp-hydroxy substituents has been measured over a temperature range with included their phase transition temperatures. The effect of intermolecular overlapping as well as hydrogen bonding on the conduction mechanism in the low and high temperature regions was studied using IR spectra and conductivity data. The activation energy values obtained showed that all the compounds behaved as semiconducting materials. © 1990.

Amin, M., L. S. Balloomal, H. Osman, and S. S. Ibrahim, "Electrical properties of TGS-PVA composites", Ferroelectrics, vol. 109, no. 1: Taylor & Francis, pp. 211–216, 1990. Abstract
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Kamel, R., "Endoscopic transnasal surgery in antrochoanal polyp", Archives of Otolaryngology–Head & Neck Surgery, vol. 116, no. 7: American Medical Association, pp. 841–843, 1990. Abstract
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Kamel, R. H., and E. A. Ishak, "Enlarged adenoid and adenoidectomy in adults: endoscopic approach and histopathological study", The Journal of Laryngology & Otology, vol. 104, no. 12: Cambridge Univ Press, pp. 965–967, 1990. Abstract
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