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Computational results for the cumulative effect of ionizing radiation are presented for CubeSats taking into account the presence of trapped charged particles in the Earth's magnetosphere, protons and heavy ions from the Sun, and the cosmic rays. In contrast to relatively larger satellites, CubeSats are often launched with minimal shielding structures. Therefore, detailed modeling of a CubeSat is...
A porous silicon-incorporated hydroxyapatite has been prepared using natural coral as a calcium source to obtain a biomaterial having a good biocompatibility. Si-incorporated hydroxyapatite has been prepared by hydrothermal treatment in 2M (NH 4 ) 2 HPO 4 and solvothermal treatment in silicon acetate saturated acetone solution at 180°C of the natural coral repeatedly. From...
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