Studies on the acid activation of Brazilian smectitic clays

by Francisco R. Valenzuela Díaz, Pérsio de Souza Santos
Published 2001-06-01

Size variation in eggs laid by normal-sized and miniature queens of Plebeia remota (Holmberg) (Hymenoptera: Apidae: Meliponini)

by Márcia de Fátima Ribeiro, Pérsio de Souza Santos Filho
Published 2014-12-01

Caulins brasileiros: alguns aspectos da geologia e da mineralogia Brazilian kaolins: some aspects of the geology and mineralogy

by Ian Richard Wilson, Helena de Souza Santos, Pérsio de Souza Santos
Published 1998-08-01

Argilas especiais: argilas quimicamente modificadas - uma revisão Special calys: chemically modified clays - a review

by Antonio Carlos Vieira Coelho, Pérsio de Souza Santos, Helena de Souza Santos
Published 2007-10-01

Argilas especiais: o que são, caracterização e propriedades Special clays: what they are, characterization and properties

by Antonio C. Vieira Coelho, Pérsio de Souza Santos, Helena de Souza Santos
Published 2007-02-01

Effects of Surface Roughness on the Locomotion of a Long-Tailed Lizard, Colobodactylus taunayi Amaral, 1933 (Gymnophthalmidae: Heterodactylini)

by Elizabeth Höfling, Sabine Renous, Felipe Franco Curcio, André Eterovic, Pérsio de Souza Santos Filho
Published 2012-01-01

Structure, surface area and morphology of aluminas from thermal decomposition of Al(OH)(CH3COO)2 crystals

by PEDRO K. KIYOHARA, HELENA SOUZA SANTOS, ANTONIO C. VIEIRA COELHO, PÉRSIO DE SOUZA SANTOS
Published 2000-12-01

Foraging Activity in Plebeia remota, a Stingless Bees Species, Is Influenced by the Reproductive State of a Colony

by Patrícia Nunes-Silva, Sergio Dias Hilário, Pérsio de Souza Santos Filho, Vera Lucia Imperatriz-Fonseca
Published 2010-01-01

Hydrothermal synthesis of well-crystallised boehmite crystals of various shapes

by Pérsio de Souza Santos, Antonio Carlos Vieira Coelho, Helena de Souza Santos, Pedro Kunihiko Kiyohara
Published 2009-01-01

Surface area, crystal morphology and characterization of transition alumina powders from a new gibbsite precursor

by Antonio Carlos Vieira Coelho, Helena de Souza Santos, Pedro Kuniiko Kiyohara, Kelly Nanci Pinto Marcos, Pérsio de Souza Santos
Published 2007-06-01