Biblioteca Digital

994 resultados para Natural additives

The silica content of some natural waters and of culture media.

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On abnormal conditions of the gills in Mytilus edulis. Part I. On permanent natural reversal of the frontal cilia on the gill filaments of Mytilus edulis

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The natural history of Bulla hydatis Linn.

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Seasonal changes in the silica content of natural waters in relation to the phytoplankton

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