Vol. 34

2004

Nº 1


CONTENTS

ARTICLES
J. Romero, R. Sampaio, R. Saldanha da Gama NUMERICAL SIMULATION OF FLOW IN A HYDROCYCLONE 1
M. S. Fraguio, A. Muzen,
O. Martínez, P. Bonelli,
M. Cassanello
CATALYTIC WET OXIDATION OF ETHANOL IN AN INTEGRAL TRICKLE-BED REACTOR OPERATED WITH LIQUID FLOW MODULATION 11
B. Hoyos, J. G. Cadavid, H. Rangel

FORMULATION AND NUMERIC CALCULATION OF NON-ISOTHERMAL EFFECTIVENESS FACTOR FOR FINITE CYLINDRICAL CATALYSTS WITH BI-DIMENSIONAL DIFFUSION

17
M. del C. Ruiz, M. H. Rodriguez, E. Perino, R. A. Olsina X-RAY FLUORESCENCE ANALYTICAL METHODOLOGY FOR THE DETERMINATION OF Nb, Ta, Fe AND Mn EXTRACTED IN HYDROMETALLURGIC PROCESSES 23
J. Ochoa, J. Cechini, P. Haure DRYOUT PHENOMENON IN THE PERIODIC OPERATION OF A TRICKLE BED REACTOR 29
M. Yoshida, Y. Taguchi, K. Yamagiwa, A. Ohkawa, M. Abe, S. Tezura, M. Shimazaki MIXING CHARACTERISTICS OF LIQUID PHASE IN AN UNBAFFLED VESSEL AGITATED BY UNSTEADILY FORWARD-REVERSE ROTATING MULTIPLE IMPELLERS 35
M. Ramos‑Estrada, R. Tellez‑Morales, G. A. Iglesias‑Silva, K. R. Hall A GENERALIZED CORRELATION FOR THE SECOND VIRIAL COEFFICIENT BASED UPON THE STOCKMAYER POTENTIAL 41
J. Y. Jin, G. T. Silva, A. C. Frery SAR DESPECKLING FILTERS IN ULTRASOUND IMAGING 49
J. Marañón di Leo, S. Delnero, J. C. Ragaini, V. Sacchetto, C. Colosqui, J. Colman, U. Boldes, A. Scarabino, M. Rosato, J. Reyna Almandos AIR CONCENTRATIONS OF SO2 AND WIND TURBULENCE NEAR LA PLATA PETROCHEMICAL POLE (ARGENTINA) 55
NOTES  
N. Silin, L. E. Juanicó, D. F. Delmastro A THERMAL TRACING TECHNIQUE 59
C. Li, G. Chen, S. Zhao EXACT TRAVELLING WAVE SOLUTIONS TO THE GENERALIZED KURAMOTO-SIVASHINSKY EQUATION 65
     
GENERAL INFORMATION 69
   


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