منابع مشابه
Artificial Reefs: the Florida Sea Grant Connection
Artificial reefs in Florida have been especially popular since the 1970s. With the advent of State Legislative funding in the 1990s, numerous local government and private interests have been able to develop reefs. The principal purpose is to enhance recreational fishing opportunities. But there are an increasing number of reefs being built as scuba diving sites and also to repair or mitigate da...
متن کاملA review of artificial gynogenesis in the Caspian Sea sturgeons
In sturgeon, female-sex rearing is economical and gynogenesis induction is one of the ways to achieve it. In gynogenesis, an egg develops without the genetic influence of the male, or on the other words, it is a method of reproduction in which the offspring are formed exclusively from the genetic information of the mother. In this technique, the sperm used must be genetically inactivated. Rays ...
متن کاملDecoherence by engineered quantum baths
Davide Rossini, Tommaso Calarco, 3 Vittorio Giovannetti, Simone Montangero, 4 and Rosario Fazio 1 NEST-CNR-INFM & Scuola Normale Superiore, piazza dei Cavalieri 7, I-56126 Pisa, Italy Dipartimento di Fisica, Università di Trento and BEC-CNR-INFM, I-38050 Povo, Italy ITAMP, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA Institut für Theoretische Festkörperphysik, Universit...
متن کاملFoot infections in swimming baths.
A 10% random sample of all bathers at a public swimming bath were examined for tinea pedis and verruca.The overall incidence of tinea pedis was 8.5% and of verruca 4.8%. The incidence of tinea pedis in 205 male adults was 21.5%, in 288 boys 6.3%, in 60 adult females 3.3%, and in 220 girls 0.9%. The incidence of verruca in juveniles ranged from 4.2% in boys to 10.5% in girls.It was clear that bo...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1906
ISSN: 0036-8733
DOI: 10.1038/scientificamerican03031906-195