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Miksi sahkodynamiikan peruslait on jatetty huomiotta kaiutintoimintojen suunnittelussa? Suoraan puhuva selonteko janniteohjauksen haitoista ja lapikotainen, perustavanlaatuinen opas fysikaalisesti jarkevaan sahkodynaamisten kaiuttimien kayttoon virtaohjauksella. On perusteltua vaittaa, etta kaytannollisesti katsoen kaikkien olemassa olevien kaiutinjarjestelmien aanenlaatu on vakavasti karsinyt puhekelaan indusoituvien moninaisesti epamaaraisten sahkomotoristen voimien vuoksi (johtuen seka liikkeesta etta induktanssista), jotka tarvelevat virran kulkua; ja mika dramaattista - mitattavissa...

The Third International Symposium on Paleolimnology was held at the beginning of September 1981 in Finland. After registration at the University of 10ensuu and the opening session and welcome reception in the Town Hall, the participants moved to a hotel at Koli, a hill famed as a landmark and for its panoramic view. Here the lecture session, lasting four days, took place. Momentarily, the mosaic of the lakeland became visible between the clouds showing the hill slopes covered by mature spruce forest and scattered old birch trees, a reminder of the last slash-and-burn phase some 130 years ago....

The Third International Symposium on Paleolimnology was held at the beginning of September 1981 in Finland. After registration at the University of 10ensuu and the opening session and welcome reception in the Town Hall, the participants moved to a hotel at Koli, a hill famed as a landmark and for its panoramic view. Here the lecture session, lasting four days, took place. Momentarily, the mosaic of the lakeland became visible between the clouds showing the hill slopes covered by mature spruce forest and scattered old birch trees, a reminder of the last slash-and-burn phase some 130 years ago....

This volume offers a cross-disciplinary insight into language contact research, bringing together fresh empirical and theoretical studies from various fields concerning different dimensions of language contact and variation, second language acquisition and translation. In the present-day world of globalization, population mobility and information technology, the themes of multilingualism and contact-induced language change are as topical as ever, and research on language contacts and cross-linguistic influence has expanded rapidly during the last few decades. Along with the increasing...

During the last few years, lake acidification has become a topic of international interest because of the detrimental effects of this problem on lake ecosystems. The stratigraphic record of diatoms and other paleoindicators in lake sediments has been used increasingly to document past limnological conditions. Because many diatom taxa are sensitive indicators of lakewater pH, this approach is especially useful in assessing impacts of atmospheric pollutants and watershed land use on lake pH. The idea that a book be prepared on this subject originated at a workshop entitled 'Reconstructing pH...