Author(s): PEIXOTO, R. C.; BARROS, G. T.

Os cianetos são compostos químicos que contêm o grupo ciano (CN) e incluem o composto sólido (tais como cianeto de sódio e cianeto de potássio), soluções de cianeto e o gás cianeto de hidrogênio (HCN)... ...

Repository: BDPA     Publication year: 2019

Author(s): FOGACA, F. H. dos S.; SANT'ANA, L. S.

Presence of tocopherol is effective for fish preservation during frozen storage, inhibiting lipid degradation by oxidation. This work evaluated the antioxidant effects of a-tocopherol in diet and post... ...

Repository: BDPA     Publication year: 2007

Author(s): CUNHA, T. J. F.; GIONGO, V.; MENDES, A. M. S.; MARQUES, F. A.; CANELLAS, L. P.

The aim of this study was to assess the organic matter changes in quantity and quality, particularly of the humic fraction in the surface layer (0?20 cm), of a Typic Plinthustalf soil under different... ...

Repository: BDPA     Publication year: 2016

Author(s): VAZ JUNIOR, S.; SOUZA, D. T. de

Chemicals, a class of global commodities, can be divided into inputs and end-use products, what can include a huge number of characteristics and applicability, encompassing organic and inorganic subst... ...

Repository: BDPA     Publication year: 2024

Author(s): MARCHI, G.; SILVA, C. A.; GUILHERME, L. R. G.; PIRES, A. M. M.; GUERREIRO, M. C.

ABSTRACT: This work presents theory and applications in capillary electrophoresis. This technique is a powerful tool representing a large saving in chemicals (0.5 to 4 nL s-1 flux), samples (1 to 100... ...

Repository: BDPA     Publication year: 2007

Author(s): ANDRADE, I. R. A. de; CÂNDIDO, M. J. D.; FEITOSA, T. S.; POMPEU, R. C. F. F.; SALLES, H. O.; EGITO A. S. do

Repository: BDPA     Publication year: 2014

Author(s): SOUZA, L. C. de; CASTANHA, R. F.; DOMINGOS, N.; CASTRO, V. L. S. S. de; JONSSON, C. M.

O grafeno é um nanomaterial promissor na remoção de pesticidas de águas, transporte de fármacos em medicamentos e transporte de agroquimicos em formulações. A qualidade do lodo agrícola usado como bio... ...

Repository: BDPA     Publication year: 2017

Author(s): QUEIROZ, S. C. do N. de; SOUZA, D. R. C. de; CERDEIRA, A. L.; PARAIBA, L. C.

O cultivo de soja utiliza diversos tipos de fungicidas para controlar fungos fitopatogênicos, que, dependendo das características físico-químicas das moléculas, podem se acumular nos grãos e causar ri... ...

Repository: BDPA     Publication year: 2017

Author(s): BYRNE, C. M.; NOVOTNY, E. H.; HATCHER, P. G.; HAYES, M. H. B.

Humin is defined as the fraction of the humic substances (HS) that is insoluble in aqueous solution at any pH value (1). Because of its insolubility it has been the least studied of all the humic frac... ...

Repository: BDPA     Publication year: 2008

Author(s): COSTA, N. de L.; JANK, L.; MAGALHAES, J. A.; RODRIGUES, A. N. A.; BENDAHAN, A. B.; GIANLUPPI, V.; RODRIGUES, B. H. N.; SANTOS, F. J. de S.

In this work were avaluated the effects of pasture rest periods on forage accumulation, chemical composition and morphogenic and structural characteristics of Megathyrsus maximus cv. Tamani in the Ror... ...

Repository: BDPA     Publication year: 2020