v. 19 n. 2

artigo de atualização

• Isotopic lifting on differential geometries

  Ruggero María Santilli

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• Some integral operators of Buschman-Erdélyi type

  N. Virchenco

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• A note on the zeros of Legendre functions

  A. Rawling

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• A note on some integrals involving two associated Laguerre polynomials

  Nabil Shawagfeh

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• Effects of SUpport preparation on the perfonnance of the catalysts Ziegler-Natta based in TiCI4/MgCI2

  F. Medina, M. Hidalgo, R Sanchéz, T. Rajmankina, A. Parada

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• Comparative study among a Venezuelan clay, its modifications, and commercial clays

  Eduardo Choren, Alexander Moronta, Lenin Huerta, Alfredo Meyer

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• Dissolved mercury-trace ion exchange using Sumichelate resin Q-IOR

  C. Sarmiento, C. García, L. Prieto, X. Ferrer, N. Fernández

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• Using acid hydrolysis to convert waste shrimp shells to glucosamine

  Héctor García, Gisela Páez, José Ferrer, Zulay Mármol, Eduardo Ramones

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• A note on continuous catalytic hydrodemetallization of heavy oils

  José Mayorga, Rubén Montoya

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• Detection of viruses in the Lake of Maracaibo

  Ligia Botero, Giuliana malaro, Rosalva Salas, Hugo Hernández

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