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1- Total suspended particles and solar radiation over Cairo and Aswan  
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2- Estimating the evaporation over Nasser Lake in the upper Egypt from Meteosat     observations    
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3- Spectral measurments of visible solar direct-normal irradiance and air pollutant     attenuation cofficients at Helwan    
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4- Correlation of global solar radiation with meteorological parameters over Egypt  
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5- Power spectra analysis for world!wide and North Africa historical earthquakes data in     relation to sunspots periodicities    
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6- Study of the solar radiation over Menia    
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7- The temperature dependence of the spectral and efficiency behavior of Si solar cell     under low concentrated solar radiation
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8- Correlation of global solar radiation with meteorological parameters over Egypt  
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9- Studying the extinction coefficient due to aerosol particles at different spectral bands     in some regions at great Cairo    
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10- Determination of suitable types of solar cells for optimal outdoor performance in      desert climate    
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11- Three Solar Gamma-Ray Flares Observed by Yohkoh in Autumn of 1991    
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12- Solar Hydrogen From Lake Nasser For 21st Century in Egypt  
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13- High energetic solar proton flares on the declining phase of solar cycle 22  
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14- Measurements of the air pollution effects on the color portions of solar radiation at Helwan, Egypt  
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15- Photovoltaic performance under real desert conditions near Cairo  
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16- Statistical analysis for solar proton events measured by goes spacecraft during the period (1976–1990)  
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17- Structural studies of tungstate-tellurite glasses by raman spectroscopy and differential scanning calorimetry  
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18- The estimation of moisture over Egypt from Meteosat satellite observations  
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19- V-trough concentrator on a photovoltaic full tracking system in a hot desert climate  
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20- Keeping Ma’at: an astronomical approach to the orientation of the temples in ancient Egypt  
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21- ON THE ORIENTATION OF ANCIENT EGYPTIAN TEMPLES: (3) KEY POINTS AT LOWER EGYPT AND SIWA OASIS, PART I  
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22- On the orientation of ancient Egyptian Temples: (4) epilogue in Serabit el Khadem and overview  
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23- Astronomy and Landscape in Ancient Egypt: Challenging the Enigma of the Minor Step Pyramids  
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24- FROM UMM AL QAB TO BIBAN AL MULUK: THE ORIENTATION OF ROYAL TOMBS IN ANCIENT EGYPT  
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25- Estableciendo la en el Egipto antiguo. La orientación de los templos  
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