The district was established, with the other 13, on July 25, 1952, substituting the old Germanstates. After October 3, 1990, it was disestablished due to the German reunification, becoming again part of the state of Brandenburg.
As the lead ship of her class, models of the Frankfurt underwent testing in a large ice-tank laboratory.
She cost 4.2 million euros.
Her design features a pair of diesel generators that power electric motors that actually drive the propeller.
The use of a diesel-electric system provides a "good torque curve", and eliminates the need for a bulky gearbox.
The electric motor can consume up to 700 kilowatts (940hp)
She has a third "harbor diesel" of 15 kilowatts (20hp).
"Eisbrecher Frankfurt" (in German). Wasser und Schifffahrtsamt Eberswalde (Waterways and Shipping Office Eberswalde, a sub-agency of the Federal Ministry of Transport, Building and Urban Affairs). 2009-09-28. Retrieved 2012-06-16. Besatzung: Schiffsführer, Steuermann, Maschinist, Matrose. Bei Bedarf Dolmetscher. (Crew: Skipper, mate, engineer, sailor. Interpreters when needed.)
In ecology, a community or biocoenosis is an assemblage or association of populations of two or more different species occupying the same geographical area and in a particular time. The term community has a variety of uses. In its simplest form it refers to groups of organisms in a specific place or time, for example, "the fish community of Lake Ontario before industrialization".
The third season of the television comedy series Community premiered on September 22, 2011 and concluded on May 17, 2012 on NBC. The season consists of 22 episodes and aired on Thursdays at 8:00pm ET as part of the network's "Comedy Night Done Right" programming block.
Note: The episode listing below is how they appear on the season 3 DVD, and not their original broadcast order. Episodes 3 and 4, and 11 and 12 were switched around in their original broadcast, but appear in production and chronological order on the DVD set.
The fourth season of the television comedy series Community premiered on February 7, 2013 and concluded on May 9, 2013. The season consists of 13 episodes and aired on NBC on Thursdays at 8:00 pm ET as part of the network's "Comedy Night Done Right" programming block.
The season marked the departure of showrunner Dan Harmon and overall received mixed reviews from critics. In the series's fifth season, Harmon returned as showrunner.