Afinidad: Revista de química teórica y aplicada

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  Año 2003, Vol. 60, Número 503

  • Influencia de los tratamientos enzimáticos con xilanasas en la composición de hidratos de carbono de pastas para papel

    M. Blanca Roncero, Jose F. Colom Pastor, Teresa Vidal

    págs. 8-15

    

  • Caracterización de Dregs y Grits provenientes de la industria de pasta celulósica: estudio para su aplicación a suelos ácidos

    M. Zambrano, V. Parodi, Felipe Gallardo, Gladys Vidal

    págs. 16-25

    

  • Análisis mediante TLC/FID de extractos de lanolina recuperados a partir de baños de lavado industrial de lana

    C. Dominguez, F. Garde, J. M. Bayona, Pilar Erra Serrabasa

    págs. 26-31

    

  • Various new types of macrocycles containing quinazolinone and tetrahydrobenzo-thienopyrimidinone rings with biological interest

    Ahmed M. Sh. El-Shareif, Y.A. Ammar, M. A. Zahran, A. H. Ali, Mohamed S. A. El-Gaby

    págs. 32-41

    

  • 2,3-Dicyano-1,4-Naphthoquinone As A Dienophile In Diels-Alder Reactions

    Ahmed S. Hammam, M. A. Hassan, Ragab F. Fancy

    págs. 42-46

    

  • Synthesis of novel fused imidazole derivatives

    Ahmed M. Sh. El-Shareif, Y.A. Ammar, Mohamed S. A. El-Gaby, M. A. Zahran, A. A. Khames

    págs. 47-54

    

  • Oxidation of alpha-amino acids by KMnO4- MnSO4in sulphuric acid medium: A kinetic & mechanism study

    Niranjan Nalwaya, K. Chand, B. L. Hiran

    págs. 55-60

    

  • Reactions of Some Arylazofuranones with Amino Acids and Malononitrile

    S. M. El-Kousy, A. I. Hashem, A. M. El-Torgoman, Gamal M. Salama

    págs. 61-64

    

  • Performance of Activated Sludge System in Aerating Sugar Processing Wastewater

    N. El Ibiari, S. Hawash, G. El Diwani, H. El Abd

    págs. 65-70

    

  • Separation of Ultra-fine Wood Particles from Waste Water to Prevent Water Pollution

    M. A. Abdel-Khalek, B. K. Parekh

    págs. 71-75

    

  • Kinetics of Oxidation of some meta- and para- substituted phenols by N-chloropiperazine-2,5-dione in non-aqueous medium: A LFER Study

    A. N. Palaniappan, S. Srinivasan, S. Senthilkumar

    págs. 76-80

    

  • Some reactions with ketene dithioacetals. Part II: Novel synthesis of quinoxaline, pyrazole and pyrrolo [3,4-b]quinoxaline derivatives using ketene dithioacetals as antimicrobial activity

    Ahmed M. Sh. El-Shareif, M. A. Zahran, Mohamed S. A. El-Gaby, Y.A. Ammar, U. H. El-Said

    págs. 81-87

    

  • Mathematical modeling of pollution dispersion by a point source-Eulerian method

    M. Nikazar, N. Maleki, Kh. Badii

    págs. 88-99

    

  • Studies on the Electrochemical Behaviour of Al-Ni Alloys in Alkaline Solutions

    F. H. Assaf, M. M. Abou-Krisha, A. M. Zaky, F. M. El-Sheikh, E. Maghrapy

    págs. 100-108

    

  • Corrosion and Dezincification Controll of alpha-Brasses by Chromate ions in Acetic-Acetate Solutions

    N. A. Al-Moubarak, H. H. Rehan, H. A. Al-Rafai

    págs. 109-115

    

  • Removal of Cadmium from Phosphoric Acid by Liquid-Liquid Extraction with TOPO/Kerosene solvent

    S. Khorfan

    págs. 116-121