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Caracterización, conservación y mejora de razas aragonesas de ganado [PDF]
Alabart Alvarez, José Luis +5 more
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CARACTERIZACIÓN MORFOLÓGICA DE LA RAZA SABUESO FINO COLOMBIANO [PDF]
Martínez R.E. +8 more
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Conservacion in situ y reintroduccion de papas nativas con pequenos agricultores de la provincia de Chimborazo. [PDF]
Andrade-Piedra, J.L. +5 more
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Caracterización morfológica y espectroscópica de asfaltenos provenientes de diferentes crudos
2014It was studied the morphology of asphaltenes Zuata, Boscan and Morichal from differents heavy and extra heavy Venezuelan oils, and San Jacinto asphaltenes from an extra heavy Peruvian oil through scanning electron microscopy. The spectroscopy characterization was performed by infrared absorption, proton nuclear magnetic resonance and carbon 13 nuclear ...
Borges, Belsay +3 more
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