999 resultados para 329.58


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Fruit of 28 tomato cultivars for industrial processing were characterized to identify cultivars with potential for in natura consumption. The experiment was carried out in Jaboticabal-SP, Brazil (21o15'22'' South, 48o18'58'' West, altitude 595 m), on a Haplorthox soil during June-December. The cultivars used in this study were: H 7155, Hypeel 108, Andino, U 573, H 9036, Ipa 6, H 9494, AG 33, Yuba, RPT 1294, AG 72, Peelmech, Curicó, Hypeel 45, RPT 1478, H 9492, H 9498, H 2710, Hitech 45, Halley, Botu 13, H 9553, U 646, NK 1570, AG 45, RPT 1095, RPT 1570 and PSX 37511. The experimental design was randomized blocks, replicated four times. Ten fruits per plot were analyzed, evaluating the following characteristics: shape (oblong or round); length and diameter (mm); external and internal coloration; presence of fissures; number of loci; pulp thickness (mm); soluble solids content (Brix) and total acidity. Only cultivars Hypeel 108, AG 72, NK 1570, RPT 1570 had oblong fruit. Cultivars which had pulp thicker than 5.5 mm, a characteristic which is directly related to fruit yield for industrial purposes were: Ipa 6, Andino, U 646, H 9553, RPT 1294 and Hypeel 108. Cultivars Ipa 6 and Andino also presented elevated values for length, diameter and pulp thickness, indicating them as quality material for industry or, alternatively, for in natura market. Among the cultivars which presented better values for acidity (higher or equal to 0.3 g citric acid 100 g-1) were RPT 1095, AG 45, H 9553 and Hypeel 45.

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The structural and magnetic properties of the cubic spinel oxide Co 2MnO4 (Fd3m space group) doped with different concentrations of bismuth, were investigated by X-ray diffraction and SQUID magnetometry. The Bi3+ ions entering into the CoIII octahedral sites do not alter the effective moment, μeff ∼8.2 μB, whereas both the magnetization M50 kOe at the highest field (50 kOe) and the field-cooled MFC magnetizations increased when increasing the Bi content. The ferrimagnetic character of the parent compound, Co2MnO4, is maintained for all materials although the antiferromagnetic interactions Co2+-Co2+ are affected, resulting in higher values of the Curie-Weiss temperature. Due to the large ionic radius of Bi, octahedra distortions occur as well as valence fluctuations of the Mn ions, giving rise to Jahn-Teller effects and enhancing the exchange interactions. The off-center Bi3+ ion is responsible of non-centrosymmetric charge ordering and should lead to multiferroïsme conditions for the BixCo2-xMnO4 material. © 2012 Elsevier B.V.

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Edición dedicada al Trigésimosegundo período de sesiones de la CEPAL (Santo Domingo, República Dominicana, 9-13 de junio de 2008)La transformación productiva 20 años después. Viejos problemas, nuevas oportunidades. CEPAL presenta informe sobre financiamiento para el desarrollo. Opinión del Secretario Ejecutivo de la CEPAL, José Luis Machinea. Las nuevas oportunidades para América Latina y el Caribe. Precisiones. Alianzas público-privadas para el desarrollo exportador. Indicadores. Opinión del Secretario Ejecutivo de la CEPAL, José Luis Machinea. América Latina y el Caribe en la nueva coyuntura internacional. Publicaciones recientes. Calendario de eventos

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Special edition dedicated to the Thirty-second session of ECLAC (Santo Domingo, Dominican Republic,9-13 June 2008): Structural Change and Productivity Growth, 20 Years Later. Old problems, new opportunities ECLAC Presents Report on Financing for Development Op-ed by ECLAC's Executive Secretary, José Luis Machinea. New Opportunities for Latin America and the Caribbean Highlights. Public-private Alliances for Export DevelopmentIndicatorsOp-ed by ECLAC's Executive Secretary, José Luis Machinea. Latin America and theCaribbean in the New International Context Recent titles Calendar of events

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