نتایج جستجو برای: golden
تعداد نتایج: 13895 فیلتر نتایج به سال:
Context Intermittent rivers make up more than 50% of the world’s rivers. Refuge waterholes in these systems are critical for survival fish populations. Aim This study investigated effect that angling pressure imparts on native within refuge waterholes. Methods Golden perch (Macquaria ambigua) size structure was analysed eight across three catchments northern Murray–Darling Basin. Waterhole char...
Hydrogen is a colorless compound to which symbolic colors are attributed classify it according the resources used in production, production processes, such as electrolysis, and energy vectors, solar radiation. Green hydrogen produced mainly by electrolysis of water using renewable electricity from an grid powered wind, geothermal, or hydroelectric power plants. For grid-powered electrolyzers te...
the experimental infection of necator americanus (hook worm) in golden hamster, mesocricetus auratus
hook worm (necator americanus) is one of the major pathogenic parasites in the north of iran. neonatal hamsters 1-3 days old showed a high degree of susceptibility to necator americanus infection and the parasite reached to sexually mature stages in six weeks following skin exposure. this method could be used for production of egg, larvae and adult worms. in this study neonatal hamsters were in...
Colorado School of Mines, Hydrologic Science and Engineering Program, Golden 80401, CO, USA University of Colorado at Boulder, Institute of Arctic and Alpine Research, Department of Geography, Boulder 80309, CO, USA Colorado School of Mines, Department of Geophysics, Golden 80401, CO, USA d ISTerre, CNRS, UMR CNRS 5275, Université de Savoie Monte-Blanc, 73376 cedex, Le Bourget du Lac, France Co...
A golden lattice is an even unimodular Z[ 1+ √ 5 2 ]-lattice of which the Hilbert theta series is an extremal Hilbert modular form. We construct golden lattices from extremal even unimodular lattices and obtain families of dense modular lattices.
angiosperms co-occurred, they write. Interestingly, although early angiosperms were present in the forest, no insects were found that would have pollinated their flowers. The only predators found were the ant, which probably foraged on the soil and on plants, and a linyphiid spider, whose modern relatives construct webs close to the ground. “Together with diverse microscopic inclusions these fi...
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