Main Subjects = Astronomy
Number of Articles: 37
Solar activity cycles recur epidemic and pandemic viruses: Space weather’s alerts

Volume 2022, Issue 12, November and December 2022, Pages 71-83

Ramy Mawad; Hanafy M. Madbouly; Ehab M. B. Mahdy

A semi-analytical solution for the motion of a low altitude Earth satellite under J2-gravity and air drag perturbations

Volume 2021, Issue 9, September and October 2021, Pages 1-12

hussein Embaby; inal hassan; Ahmed Ibrahim; inal adhame hassan; mohamed nader ismail

RADIATION EFFECT ON MAGNETOHYDRODYNAMIC CARREAU NANOFLUID FLOW PAST NON-LINEAR PERMEABLE HEATED STRETCHING SHEET WITH PARTIAL SLIP

Volume 2020, Issue 6, May and June 2020, Pages 1-13

Hameda M. Shawky; Nabil T. Eldabe; Kawther A. Kamel; Esmat A. Abd-Aziz

STABILITY ANALYSIS IN THE RESTRICTED FOUR BODY PROBLEM WITH OBLATNESS AND RADIATION PRESSURE.

Volume 2020, Issue 6, May and June 2020, Pages 12-22

Ghada Mohamdien; M. N. Ismail; sahar H. younis; Ghada F. Mohamdien

STABILITY ABOUT LIBRATION POINTS FOR RESTRICTED FOUR-BODY PROBLEM

Volume 2019, Issue 12, November and December 2019, Pages 1-11

A. Ibrahim; M. N. Ismail; A. H. Ibrahim; A. S. Zaghrout; S. H. Younis; F. S. Elmalky; L. E. El-Masry

TEMPERATURE ANALYSIS OVER EGYPT

Volume 2019, Issue 12, November and December 2019, Pages 13-30

Mز Eid; Elsaied H. Gad; H. Abdel Basset

VIBRATIONS CONTROL OF THE HARMONICALLY EXCITED NONLINEAR SYSTEM VIA POSITIVE POSITION FEEDBACK CONTROLLER

Volume 2019, Issue 6, May and June 2019, Pages 9-26

A. EL-Sayed; A. Saleh; Y. A. Amer; A. T. EL-Sayed; A. A. Saleh; A. M. Abdel-Wahab; Hala F. Salman

PERTURBED GROUND TRACK UNDER THE INFLUENCE OF J2 AND LUNISOLAR FORCES

Volume 2019, Issue 6, May and June 2019, Pages 54-61

M. Awad; M. E. Awad; I. A. Hassan; H. R. Dewdar; A. A. Saad

THE SOLAR NITROGEN ABUNDANCE UNDER THE LTE ASSUMPTION

Volume 2018, Issue 12, November and December 2018, Pages 1-6

I. S. Sameh; M. M. Beheary; Abdelrazek M. K. Shaltout

STUDYING THE MOVEMENT OF THE INTER TROPICAL CONVERGENCE ZONE (ITCZ) OVER AFRICA INVERNAL EQUINOX

Volume 2018, Issue 12, November and December 2018, Pages 7-15

A. Nabil; F. M. El Hussainy; M. M. Eid; M. A. Alaa Mahmoud

BENEFIT FROM SOLAR RADIATION AS ALTERNATIVE ENERGY IN RIYADH REGION IN SAUDI ARABIA

Volume 2018, Issue 12, November and December 2018, Pages 17-28

Motirh Kueetm Al-Mutairi

A STATISTICAL ANALYSIS BETWEEN CMES AND FLARES OVER THE SOLAR CYCLE 24

Volume 2018, Issue 12, November and December 2018, Pages 13-19

A. Eid Amin; M. K. Abdelrazek Shaltout; M. M. Beheary; R. H. Hamid

THERMOLUMINESCENCE PROPERTIES OF ERBIUM DOPED SrSO4

Volume 2017, Issue 6, May and June 2017, Pages 11-16

A. Bendary; A. M. Moanes

INFLUENCE OF PH AND TEMPERATURE ON SURFACE-ACTIVE PROPERTIES OF SOME HUMIC ACIDS

Volume 2017, Issue 6, May and June 2017, Pages 17-26

A. Bendary; A. A. El-Bayaa; Asmaa Al-Amir

LUMINESCENCE INVESTIGATION OF POWDER ZNO NANOPARTICLES DOPED WITH SM AND LI IONS PREPARED BY COPRECIPITATION METHOD

Volume 2017, Issue 6, May and June 2017, Pages 27-33

A. Bendary; H. Hantour; N. A. Mohsen; S. N. El-Sayed; A. M. Mahmoud

IMPACT OF CuO CONTENT ON THE DIELECTRIC PROPERTIES OF ZINC SODIUM PHOSPHATE GLASSES CONTAINING Al2O3

Volume 2017, Issue 6, May and June 2017, Pages 27-35

A. Bendary; H. A. Elshaikh; Y. H. Elbashar; Ali M. Ibrahimand; A. G. Mostafa

STRUCTURAL STUDY OF SOME LITHIUM BOROPHOSPHATE GLASSES USING DENSITY, HARDNESS AND INFRARED SPECTROSCOPY

Volume 2016, Issue 12, November and December 2016, Pages 1-9

A. Nassar; A. M. Nassar; E. Nabhan; Al-Sh. Ramadan

VISIBILITY INTERVALS BETWEEN TWO SATELLITES ORBITS UNDER J2-GRAVITY AND DRAG FORCE

Volume 2015, Issue 12, November and December 2015, Pages 1-10

AHMED W.N.; AWAD M.E.; HASSAN I.A.; AMMAR M.K.; AMIN M. R.

COMPUTATIONAL ALGORITHM FOR THE EXPONENTIAL INTEGRAL

Volume 2015, Issue 6, May and June 2015, Pages 1-3

SHARAF M. A.; ALRAWJIH F. A.

Evaluation of the Elliptic Integrals

Volume 2015, Issue 6, May and June 2015, Pages 5-15

Sharaf M.A.; Alrawjih F.A.

Eclipses intervals for satellites in elliptical orbit under effects of solar radiation pressure and earth’s oblatness

Volume 2015, Issue 6, May and June 2015, Pages 17-22

Ismail M. N.; Bakry A.; Se lim H. H.; Shehata M. H.

THE LTE SOLAR ABUNDANCE OF NEODYMIUM

Volume 2014, Issue 12, November and December 2014, Pages 1-6

Abdelkawy A.G.A.; Shaltout A.M.K.; Beheary M.M.; Bakry A.

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