Vol. 7 No. 2

Vol. 7, No. 2 (2008)

Biotechnology

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99-111 (Paper in Spanish): Generic application of polyethylene glycol-salt aqueous two-phase systems for the development of processes to biological products primary recovery

J. Benavides and M. Rito-Palomares

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113-122 (Paper in Spanish): Study of bed expansion-contraction phenomenon in ebullated-bed reactors based on dimensional analysis and model theory

J. L. Sánchez-López, R. S. Ruiz-Martínez, F. Alonso-Martínez and J. Ancheyta-Juárez

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123-130 (Paper in Spanish): Energy consumption and size distribution in the grinding of cinnamon (Cinnamomum zeylanicum) and black pepper (Piper nigrum L)

K.M. Machado-Velasco and J.F. Vélez-Ruiz
131-137 (Paper in Spanish): Fluidized bed drying of wheat and its quality

L. Vázquez-Chávez and M. Vizcarra-Mendoza
139-144 (Paper in Spanish): Variations in water content due to freezing at cryogenic temperatures

L.L. Méndez- Lagunas, J. Rodríguez-Ramírez and M. Y. García-Cortes

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145-149 (Paper in English): Chemical composition of Schinus molle L. wood and kraft pulping process

L. A. Mejía-Díaz and J. G. Rutiaga-Quiñones

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151-162 (Paper in Spanish): Analysis and retrofit of effluent lines entering a multicontaminant treatment unit
multicontaminante

R. Hernández-Suárez, J.M. Zamora-Mata, F. Murrieta-Guevara and R. Lugo-Leyte