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1990
ElKolaly, H. A., S. S. Montaser, and B. Honerlage, "On the theory of pulse propagation and wave mixing process at intense excitation", IInd workshop on plasma and laser technology, volume2, edited by Ph. Mertens, B. Schweer- KFA Germany, Cairo- Egypt, 1990.
Omar, M. M., S. Huard, S. S. Montasser, and L. E. L. Nadi, "Study of Photothermal Deflection (Mirage Effect) Induced by Laser Radiation", Second Workshop on Laser and Plasma Technology, Cairo , 1990.
Ghozlan, S. A. S., M. H. Mohamed, Y. Fakhr, and M. H. Elnagdi, "Synthesis of polyfunctionally substituted pyridazines", Liebigs Annalen der Chemie, vol. 1990, issue 3, pp. 293 - 296, 1990. AbstractWebsite
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Fayez, M., "Untraditional N2-fixing bacteria as biofertilizers for wheat and barley", Folia Microbiologica, vol. 35, issue 3, pp. 218 - 226, 1990. AbstractWebsite

The screening of 27 isolates grown on nitrogen-free medium for nitrogen-fixing ability resulted in the isolation of five organisms belonging to Bacillaceae, Enterobacteriaceae and Pseudomonadaceae. Estimates of N2-fixation efficiencies of these isolates indicated that they may be responsible for low rates of N2-fixation in soil. The possible association of these isolates as well as of Azotobacter and Azospirillum with wheat and barley was investigated in a greenhouse experiment. The highest values of nitrogenase activity on plant root were recorded in treatments inoculated with composite inocula of the isolated N2-fixers, particularly when Azotobacter and/or Azospirillum were added in combination. Inoculation with single inoculum of each of the N2-fixing isolates had no significant influence on plant growth, except with Pseudomonas and Bacillus for wheat and barley, respectively. Highly significant increases in growth of both plants were recorded in all cases of multistrain inoculation. © 1990 ACADEMIA, Publishing House of the Czechoslovak Academy of Sciences.

Refai, M., M. Awad, H. Hammam, S. Ibrahim, and A. Mehanna, " Evaluation of locally prepared rose bengal plate and buffered acidified plate antigens of Brucella abortus.", J. Egypt. Vet. Med. Ass. , vol. 50, issue 1, pp. 216-227-, 1990. evaluation_of_locally_prepared.pdf
Ka-oud, H., M. Abdel-Halim, and M. Refai, " Evaluation of the antifungal activity of enilconazole against pathogenic fungi. ", Vet. Med. J. Giza , vol. 38, , pp. 337-349 , 1990. evaluation_of_the_antifungal_activity_of_enilconazole.pdf
Felske, A., W. A. Badawy, and W. J. Plieth, " "Electrochemical and Photoelectrochemical Behaviour of Passivated Ti in Nitric Acid ", J. Electrochem. Soc., vol. 137, pp. 1804, 1990.
Badawy, W. A., " "Electrochemical and Photoelectrochemical Behaviour of Passivated Niobium Electrodes during Hydrogen Evolution "", J. Appl. Electrochem., vol. 20, pp. 139, 1990.
Badawy, W. A., " "Improvement of the n- Si / SnO2/ Electrolyte Photoelectrochemical Cell by Ru-Deposit " ", J. Electroanal. Chem., vol. 281, pp. 85, 1990.
Shehata, S. A., S. F. EL-Sayed, and M. Alphonse, " Effect of planting date, harvest time and nitrogen source of spinash (11) Chemical constituents", Bull. Fac. of Agric. Univ.of Cairo,, vol. 1, pp. 73-88, 1990.
Badawy, W. A., M. M. Hefny, and S. S. El-Egamy, " "Effect of Some Organic Amines as Corrosion Inhibitors for Lead in 0.3 M HCl Solution."", Corrosion, vol. 46, pp. 978, 1990.
Refai, M., " Bacterial and fungal diseases of buffaloes in Egypt.", J. Egypt. Vet. Med. Ass. , vol. 50, , pp. 427-447 , 1990.
Abd El- Reheim, E.;, O. A.; Shaban, G. S. El-Baroty, and A. A. Ragab, " Biochemical studies of synthetic orange flavourant and colourant on carbohydrate metabolism. Minufiya J. Agric. Res., 15 (1) : 1104-1114) .", Minufiya J. Agric. Res., ., vol. 15, issue 1, pp. 1104-1114, 1990.
R.S.;, F., G. S. El-Baroty, and A. L. – M., " Influence of paraffin oils on lipid rancidity", Grasas Y Aceites, , vol. 41, pp. 248-255, 1990.
R.S.;, F., G. S. El-Baroty, and A. L. – M., " Influence of paraffin oils on lipid rancidity", Grasas Y Aceites, , vol. 41, pp. 248-255, 1990.
Abd EL-Hafez, A. A., S.A.Shehata, and M.M.W.Awad, " Inheritance of Downey Mildew disease and its nature of resistance in, ", Annals of Agric. Sc.,Moshtohor, vol. 3, issue 28, pp. :1681-1697 , 1990.
Rashad, F. M., " Microbiological studies on Egyptian fresh sausage.", Archiv für Lebensmittelhygiene,, vol. 41, issue 1, pp. 11-14, 1990.
Refai, M., " Mykologische Untersuchungen von Mumien. ", Hautnah. Dermat., vol. 3, , pp. 86-87, 1990. mycological_examination_of_mummies.pdf
Hassan, A. B., A. H. Atta, and Z. Soliman, " Pharmacokinetics and tissue residues of kitassamycin in healthy and diseased broilers. ", Dtsch. Tierarztl. Wchr., vol. 28, issue 8, pp. 315-317, 1990.
. Shehata, S. A., " Response of some pepper cultivars to planting dates under unheated plastic conditions", . Bull, fac. Of Agric., Univ. of Cairo,, vol. 3, pp. 809-824., 1990.
O.E.Mohamed, M. M.Hady, and M.M.Zaki, ") Role of dietary zinc on immune response of broiler chickens", Veterinary Medical Journal, Giza, vol. 38, issue 2, pp. 283-295, 1990.
M.Mounir, "-Effect of γ-irradiation and current density on the electroluminescence spectra of GaP∶ N M Mounir ", ActaPhysicaHungarica , vol. 67, issue 3-4, pp. 305-310, 1990.
Aziz, M. Refai, and S. Abd-El-Aal, ". Occurrence of aflatoxins and aflatoxigenic moulds in coffee beans and decontamination by gamma irradiation. ", J. Egypt. Vet. Med. Ass. , vol. 50, , pp. 257-265 , 1990. occurrence_of_aflatoxins_and_aflatoxicosis.pdf
M., A., R. A., N. A..Afifi, and Y. S.A.H., ". Pharmacokinetic profile of cefotaxime in goats.", Res. Vet.Sci., , vol. 49, pp. 34-38, 1990.
A., A. E. L. - H. A., S. A. Shehata, and M.M.W.Awad, ". Inheritance of powdery mildew disease and its nature or resistance in cucumber", Annals of Agric. Sc., Moshtohor.., vol. 3, issue 28, pp. 1665-1679, 1990.