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1990
Beynon-Davies, P., "The behaviour of systems analysts", The Computer Bulletin, pp. 21–23, 1990. Abstract

Argues that cs ug should be taught material from behavioural sciences

Abdallah, M. D., M. A. Kandil, and A. A. Farag, "Bioactivity of plant extracts against Sitophilum granarius L. and Triboium castaneum Host", Bulletin Entomological Society of Egypt, vol. 15, pp. 199-205, 1990. Abstract
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Fahmy, H. S. M., M. A. Kandil, A. Y. Saleh, and E. A. Eweis, "Biochemical effects ofprimicarb in the different ages of albino rat.", Egyptian J. Appl. Sci. Zagazig Univ., vol. 5, issue 4, pp. 172-180, 1990. Abstract
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Ismail, I. M. K., A. M. Salama, M. I. A. Ali, and S. A. Ouf, "Biocontrol of onion white rot caused by Sclerotium cepivorum Berk. in presence of Eucalyptus rostrata leaf amendments", Egyptian Journal of Microbiology (Egypt), vol. 25, no. 3, pp. 349–358, 1990. Abstract
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Tawfik, M. F. S., F. M. El-Borollosy, I. A. Hemeida, and E. Agamy, "The biology of the water-boatman Sigara lateralis (Leach)(Hemiptera, Corixidae).", Bulletin de la Société Entomologique d'Égypte, vol. 69, pp. 217-227, 1990. Abstract
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1989
Fayez, M., "Bacterial composition and N2‐fixation of some Egyptian soils cultivated with wheat (Triticum aestivum L.)", Zeitschrift für Pflanzenernährung und Bodenkunde, vol. 152, issue 4, pp. 385 - 389, 1989. AbstractWebsite

The composition of the microflora, N2‐fixing bacteria particularly, in different soils cultivated with wheat in Egypt was investigated in some samples collected from the fields after applying the agricultural practices recommended for wheat cultivation and just before sowing. The influence of carbon sources, mineral nitrogen and water regimes on potential dinitrogen fixation (acetylene reduction assay) in soils was investigated. The bacterial population densities including‐N2‐fixing organisms were related to a number of environmental factors such as organic matter content. Among diazotrophs, Azotobacter spp. and Azospirillum spp. were encountered in higher densities in comparison with clostridia. Unamended soils showed a lower acetylene‐reducing activity (0.5–61.5 nmoles C2H4 g−1 h−1). Addition of glucose (1% w/w) greatly enhanced such activity being the highest (86.9–2846.5 nmoles C2H4 g−1 h−1) in the clay soil with the highest organic carbon content (1.42%). Glucose amendment had no significant influence on acetylene reduction in the saline soil. N2‐fixation in barley straw‐amended (1%) soils was not much higher than in unamended soils. Concentrations of up to 70 ppm ammonium‐nitrogen depressed N2‐fixation in soils that received barley straw. Acetylene reduction in submerged soil increased after addition of cellulose. Non‐flooded conditions favoured N2‐fixation in the fertile clay soil amended with sucrose. Copyright © 1989 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim

El-Leithy, M. A., and F. M. Rashad, "Bacteriological studies on ground meat and its products", Archiv für Lebensmittelhygiene,, vol. 40, issue 3, pp. 58-61, 1989.
El-Mofty, S., and H. Refai, "Benign Osteoblastoma of the Maxilla", J Oral Maxillofac Surg, vol. 47, issue 1, pp. 60-64, 1989.
Amira, M. H., "Blood coagulation and coagulopathies in animals", J. Comp. Path. and Clin. Path. , vol. 2, issue 2, pp. 337-358, 1989.
Gaafar, K., and H. M. taha, "Blood indices in relation to methyl alcohol toxicity in rats", the egyptian medical journal, vol. 6, pp. 595-601, 1989. Abstractblood_indices.pdf

The effect of methyl alcohol toxicity on some blood indices in adult male rats were studied. Male albino rats were injected intraperitoneally with absolute methanol (4 ml/kg body weight). The data revealed a highly significant decrease in total erythrocyte and leucocyte counts concomitant with an increase in hematocrit, hemoglobin, mean cell volume and mean cell hemoglobin following methanol administration. It was concluded that blood indices, in particular mean corpuscular volume, may be used as a test to verify meyhanol toxicity.

Ismail, I. M. K., A. M. Salama, M. I. A. Ali, and S. A. Ouf, "Bioassay of Eucalyptus rostrata leaf extractives on Sclerotium cepivorum Berk", Egypt. J. Bot, vol. 32, no. 1, pp. 109–126, 1989. Abstract
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Eweis, E. A., Biochemical effects and distribution of Dimethoate and Pirimicarb in white albino rat, : Faculty of Agriculture, Cairo University, M.Sc., 1989. Abstract
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Hashem, M. Y., "Biological investigations on the larger grain borer Prostephanus truncatus (Horn) and the lesser grain borer Rhizopertha dominica (Fab.)(Coleoptera: Bostrychidae)", Mitteilungen der Deutschen Gesellschaft fuer Allgemeine und Angewandte Entomologie, vol. 7: Deutsche Gesellschaft fuer Allgemeine und Angewandte Entomologie, 1989. Abstract
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Sadek, R. R., A. A. Seida, A. A. Nigm, and A. M. Ghallab, "Breeding efficiency and milk production of Brown Swiss and Friesian cattle in Egypt", EAAP Publication: Pudoc, 1989. Abstract
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Sadek, R. R., A. A. Seida, A. A. Nigm, and A. M. Ghallab, "Breeding efficiency and milk production of Brown Swiss and Friesian cattle in Egypt", EAAP Publication: Pudoc, 1989. Abstract
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Shahin, R. R., S. I. Abdel-Aal, and M. A. Abdel-Hamid, "Buffering Capacity and ststus of potassium as a function of soil mineralogy of some Entisols and Aridisols in Egypt.", Egypt. J. Soil Sci. 29(2), pp. 207 – 220, 1989. Abstract
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Shahin, R. R., S. I. Abdel-Aal, and M. A. Abdel-Hamid, "Buffering Capacity and ststus of potassium as a function of soil mineralogy of some Entisols and Aridisols in Egypt.", Egypt. J. Soil Sci. 29(2), pp. 207 – 220, 1989. Abstract
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1988
Anwar, M., F. El-Refaie, A.Ellakani, and F. M. Ali., "Biophysical properties of casein.", Published in the Proceeding of the First Arab Conference on Biophysics, Cairo University Cairo., 28-30 Nov, 1988.
Taher, M. F., A. B. Cecchini, M. A. Allen, S. R. Gobran, R. C. Gorman, and B. L. Guthrie, "Baroreceptor responses derived from a fundamental concept.", Ann Biomed Eng,, vol. 16, pp. 429-443, 1988.
Hegazi, E. S., A. S. Wally, and G. R. Stino, "Biochemical changes in persimmon fruits treated with growth regulators", Bull. Fac. Agric. Cairo Univ. , vol. 39, pp. 248-261. , 1988.
Niazi, Z., M. Refai, and H.: El Sawah, "Biovars and enterotoxigenicity of Staphylococcus aureus isolated from diseased broiler chickens. ", Vet. Med. J. , vol. 36, , pp. 243-255 , 1988. biovars_of_et_staph.pdf
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