1000 resultados para ddc: 378.17
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Digitoitu 13. 8. 2008.
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Monografía publicada en la Revista de Historia Militar del Instituto de Historia y Cultura Militar con motivo del centenario de la creación del Protectorado español sobre Marruecos en 1912 y al que este instituto no podía quedar indiferente.
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Arkit: 1 arkintunnukseton lehti, A4 B1.
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Invocatio: I.N.D.O.M.
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Invocatio: I.N.D.O.M.
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Arkit: A-B4 C2.
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Invocatio: D.D.
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This paper describes the adsorption of 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) from aqueous solution by decomposed peat. The peat presented a good adsorption process, close to 76.2% for E2 removal and approximately 55.0% for EE2. Moreover, the results indicated a probable multi-layered process. Adsorption isotherms were well fitted by Freundlich model. The data were evaluated considering the pseudo-first-order and pseudo-second-order approaches, being the second more significant mechanism in the rate-controlling step. Thermodynamic data revealed that hormones adsorption onto peat is spontaneous under the employed experimental conditions. The results confirmed the potential of this adsorbent to be employed for effluents treatment.
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Ajankohtaista
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Ei vapaa, vapautuu 2027. Kosti Vehanen (1887-1957).
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Ei vapaa, vapautuu 2027. Kosti Vehanen (1887-1957).
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Ei vapaa, vapautuu 2027. Kosti Vehanen (1887-1957).