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Publication Date
Sun Jun 06 2010
Journal Name
Baghdad Science Journal
Volume
7
Issue Number
2
DOI
10.21123/bsj.2010.7.2.963-968
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bsj-1062
Manufacturing of flash lamp and studying its properties
"flash-lamps
sold –state lasers
optimum pressure operation"
Awatif S.
Yassin H.
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This study presents the design of flash-lamps for pumped solid-state lasers. In this research have been study some of characters for flash lamp. The optimum pressure operation is found using different flash lamps about (600-4000) mbar. In conclusion, it was shown that the increase in pressure due to improve efficiency of radiation and decrease of temperature. Also this study illustrated the reason of decrease temperature is atomic number and due to increase of radiation efficiency.

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Publication Date
Mon Nov 01 2010
Journal Name
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Chemical Elements Diffusion in the Solar Interior
The standard solar model and equation of state have been used to study relative diffusion of Hydrogen and Helium in the present time for solar interior
as a function of distance and depth from the center of the star. The effects of temperature and density on diffusion velocity for these chemical elements have been explaned. It is found that heat flow which is arising from these reactions leads to an increase in helium diffusion velocity
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Helium and other Heavy Elements could be determined for the main sequence stars and white dwarf stars.
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