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Latest Yenisei River Stories

2008-08-19 09:01:04

Russian engineering company Power Machines has completed and shipped the first hydro turbine for installation at the Boguchansk hydro power plant in the Russian territory of Krasnoyarsk. These turbines are reportedly the largest units to have been manufactured in Russia at 155.6 tons.


Latest Yenisei River Reference Libraries

2012-06-14 12:20:06

Symbol: POSU4 Group: Monocot Family: Potamogetonaceae Duration: Perennial Growth Habit: Forb/herb Native Status: AK    N CAN    N Synonyms:   POPO17 Potamogeton porsildiorum Fernald Distribution: County distributions for the following U.S. states are available at PLANTS:AK Classification:       Kingdom   Plantae – Plants Subkingdom   Tracheobionta – Vascular plants Superdivision   Spermatophyta –...

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Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.