Biblioteca Digital

41 resultados para rock phosphate

On the development of Palinurus vulgaris, the rock lobster or sea crayfish

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On rock remains in the bed of the English Channel. An account of the dredgings carried out by SS. "Oithona" in 1906.

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The phosphate content of fresh and salt waters in its relationship to the growth of the algal plankton.

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Seasonal changes in the phosphate content of sea water in relation to the growth of the algal plankton during 1923 and 1924.

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The influence of plankton on the phosphate content of stored sea-water

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Seasonal variations in the phosphate and silicate content of sea water during 1926 and 1927 in relation to the phytoplankton crop

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The muds of the Clyde Sea area. I. Phosphate and nitrogen contents

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Seasonal variations in the phosphate and silicate content of sea-water in relation to the phytoplankton crop. Part V. November 1927 to April 1929, compared with earlier years from 1923

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The phosphate content of sea water in relation to the growth of the algal plankton. Part III.

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Chemical constituents of biological importance in the English Channel, November, 1930, to January, 1932. Part I. Phosphate, silicate, nitrate, nitrite, ammonia

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Chemical constituents of bilogical importance in the English Channel. Part III. June-December, 1932. Phosphate, silicate, nitrate, hydrogen ion concentration, with a comparison with wind records

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The rate of liberation of phosphate in sea water by the breakdown of plankton organisms

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Salt error in determinations of phosphate in sea water

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Redefinition of the anomaly of the nitrate-phosphate ratio

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Phosphate in the English Channel, 1933-8, with a comparison with earlier years, 1916 and 1923-32

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