Resonance of a nonlinear forced system with two-frequency parametric and self-excitations von Abdelhafez, H.M.

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Resonance of multiple frequency excitated systems with quadratic, cubic and quartic non-linearity von Abdelhafez, H.M.

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Prediction of bifurcations for external and parametric excited one-degree-of-freedom system with quadratic, cubic and quartic non-linearities von El-Bassiouny, A.F., Abdelhafez, H.M.

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Eco-friendly production of biochar via conventional pyrolysis: Application of biochar and liquefied smoke for plant productivity and seed germination von Abdelhafez, Ahmed A., Zhang, Xu, Zhou, Li, Cai, Min, Cui, Naxin, Chen, Guifa, Zou, Guoyan, Abbas, Mohammed H.H., Kenawy, Mona H.M., Ahmad, Mahtab, Alharthi, Salman S., Hamed, Mahdy H.

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Evaluation of underground water quality for drinking and irrigation purposes in New Valley Governorate, Egypt von Abdelhafez, Ahmed A., Abbas, Mohamed H.H., Kenawy, Mona H.M., Noureldeen, Ahmed, Darwish, Hadeer, Ewis, Ashraf M.G., Hamed, Mahdy H.

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Prognostic Value of Circulating Tumor Cells in Early Breast Cancer Patients Detected by RT-PCR of Mamaglobin von Hilal, A.M., Elzawahrey, H.M., Elwahab, A.A. Abd, Abdelhafez, M.N., Moneer, M.M., Darwish, A.D.

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Effect of garlic, onion and sodium benzoate on the mycoflora of pepper, cinnamon and rosemary in Egypt von Abdel-Hafez, S.I.I., El-Said, A.H.M.

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Cellulose decomposing fungi of salt marshes in Egypt von Abdel-Hafez, S.I, Maubasher, A.H, Abdel-Fattah, H.M

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