A zinc-bromine secondary battery with circulating aqueous electrolyte Showed 80% over-all (round-trip) energy efficiency at a current density of 20 mA/cm 2 for 10 hr charge and 10 hr discharge cycles. The battery characteristics may be attractive for load leveling and other applications if a low cost separator is developed.
SUMMARY. Sticky paper traps were used to demonstrate the presence of three sandfly species -Phlebotomus (Larroussius) perniciosus (Newstead 1911), Phlebotomus (Adlerius) mascittii (Grassi 1908) and Sergentomyia (Sergentomyia) minuta (Rondani 1843)-in canton Ticino (southern Switzerland) from 1981 to 1983. Some concentrations of P. perniciosus and S. minuta were noted in western Mendrisioto and minor Malcantone. Studies on the vertical distributions of sandflies showed S. minuta at 200-600 m, P. perniciosus at 300-600 m and P. mascittii at 400-700 m above sea level. When modified CDC light traps were used in certain biotopes, improved catches of P. perniciosus and P. mascittii were recorded. Key-words : Phlebotominae. Distribution. Switzerland.
Distribution et densité relative de trois espèces de phlébotomes
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