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25.035  Articles
1 of 2.505 pages  |  10  records  |  more records»
Immobilization of humic acid (HA) onto chitosan using tosylation method with 1,4-butanediol as a spacer arm has been evaluated. Chitosan was phthaloylated selectively using phthalic anhydride in dimethylformamide as solvent with addition of 5% water (v/v)... see more

La presente investigación en curso No todos han sido silenciados: El legado de cuatro líderes sociales en el contexto del conflicto social y armado en Colombia, busca dar a conocer y valorar las memorias de cuatro líderes sociales quienes constantemente t... see more

This article briefly reviews the advancing of a domed rotunda to Ani (or metropolitan) school of Armenian architecture being a significant and in some aspects unique tendency of medieval church architecture. The evidence will be considered in the context ... see more

Although fusion rates are higher with ACDF if supplemented with a plate, plates are associated with higher morbidity and dysphagia. We studied a stand-alone cage with integrated fixation for zero-profile segmental stabilization.We performed a retrospectiv... see more

El articulo es un analisis del modelo de atención psicosocial asumido por las instituciones del estado a la hora de atender a víctimas del conflicto armado. Igualmente en el articulo se asumen algunos pronunciamientos de la corte  frente a la necesid... see more

Arabian Gulf archeology The Eighth Campaign of the Danish Archeological Expedition 1961/62During the winter of 1961/62 the expedition sent out from the Forhistorisk Museum in Aarhus continued its work on the Arabian littoral of the Arabian Gulf, operating... see more

A high-density matrix was prepared by coating an alumina particle with agarose using an emulsion technique. Iminodiacetic acid was immobilized onto this matrix. Charging this matrix with copper created a useful chromatography matrix for purification of in... see more

El articulo es un analisis del modelo de atención psicosocial asumido por las instituciones del estado a la hora de atender a víctimas del conflicto armado. Igualmente en el articulo se asumen algunos pronunciamientos de la corte  frente a la necesid... see more

Arabian Gulf archeology The Eighth Campaign of the Danish Archeological Expedition 1961/62During the winter of 1961/62 the expedition sent out from the Forhistorisk Museum in Aarhus continued its work on the Arabian littoral of the Arabian Gulf, operating... see more

1 of 2.505 pages  |  10  records  |  more records»