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Chapter and Conference Paper
Keynote Address Wall Street: The New Launching Site for Space Projects
Looking back, it is remarkable how far the space business has progressed in the forty years since the launch of Sputnik in October 1957. Earth’s first artificial satellite was just 58 cm in diameter and weighe...
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Chapter and Conference Paper
GaAs on Si Solar Cells: Photovoltaic Characterization of GaAs Grown Directly on Si and with Intermediate Buffer
An investigation of GaAs films grown on Si substrates for solar cells is presented. Two types of layered structures are examined. One is GaAs grown on Ge (2–3 µm) coated Si substrate; GaAs/Ge/Si structure. The...
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Chapter
Natural Protection and Voluntary Extension of the Tropical African Forest Cover
The tropical African forest cover prevents an excessive warming above it, and pushes to its margins the heat lows, lows occupied by low-level wind discontinuities (Meteorological Equator and Inter-Oceanic Conf...
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Chapter and Conference Paper
Ga1-X AlXAs/GaAs Monolithic Cascade Solar Cells : Limitation of the Ga Al As Cell Performance Near the Cross-Over Region
The last achievements of our group on GaAs/GaAlAs monolithic cascade solar cells are presented. A critical step is the realization of a photovoltaic cell in (GaAl)As with an aluminium content of x = 0.4. The a...
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Chapter and Conference Paper
Bf Polymorphism Studied by Isoelectrofocusing
The genetic polymorphism of the factor B (Bf) [1–3] of the alternative complement pathway has been studied hitherto by means of a technique of immunofixation electrophoresis on agarose gels. We studied this po...
