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Extraction and characterization of organic fractions isolated from a China Ball Clay quarried in Devon Sout West England. Author(s): MCINERNEV, R.; STUART, J.; NOVOTNY, E. H.; HAYES, M. H. B.; YOUNG, K. China Ball clay has been used for centuries in the tiling and pottery-ware industry. Because it is much finer than the other components in the casting slip the ball clay dominates the particle-particl... ... Repository: BDPA Publication year: 2008
Relação dos teores de carbono e nitrogênio com a granulometria em sistemas de uso e manejo do solo no Estado do Acre. Author(s): SILVA, L. S. da; COSTA, F. de S.; OLIVEIRA, R. V. M. de A granulometria do solo pode informar sobre a proteção da sua matéria orgânica. Os Argissolos representam 38% da área do Estado do Acre, com predomínio dos Vermelhos Amarelos. Este trabalho apresenta... ... Repository: BDPA Publication year: 2018
Dynamic of Phosphorus Fractions in Typic Quartzipsamment Soil Cropped With Bean. Author(s): ALOVISI, A. M. T.; SERRA, A. P.; ALOVISI, A. A.; TOKURA, L. K.; LOURENTE, E. R. P.; CARNEIRO, L. F.; SILVA, M. A. C. da; DAVIDE, L. M. C.; SANTOS, S. C.; SILVA, R. S. da Phosphorus is the most limited nutrient in Brazilian soils for plant growth, resulted of low availability and poor P content in bedrock. The aim of the study was to evaluate the dynamic of P fractions... ... Repository: BDPA Publication year: 2018
Copper and zinc accumulation, fractionation and migration in vineyard soils from Santa Catarina State, Brazil. Author(s): BRUNETTO, G.; COMIM, J. J.; MIOTTO, A.; MORAES, M. P.; SETE, P. B.; SCHMITT, D. E.; GATIBONI, L. C.; MELO, G. W. B. de; MORAIS, G. P. The purpose of this study was to evaluate Cu and Zn migration and fractions in sandy soil of vineyards. In Urussanga (SC), Brazil, soil samples were collected from a 4-year-old and 15-yearold vineyard... ... Repository: BDPA Publication year: 2018
Método de referência para determinação das frações de areia, silte e argila em solos do Estado do Acre. Author(s): BEZERRA, M. A. da S.; SILVA, L. M. da; PEREIRA, M. G.; VIANA, J. H. M.; DONAGEMMA, G. K.; WADT, P. G. S. Este trabalho apresenta os procedimentos relativos ao método de referência para determinar frações de areia, silte e argila em solos do Acre. Repository: BDPA Publication year: 2021
Hierarchical pedotransfer functions for predicting bulk density in Brazilian soils. Author(s): REIS, A. M. H. dos; TEIXEIRA, W. G.; FONTANA, A.; BARROS, A. H. C.; VICTORIA, D. de C.; VASQUES, G. M.; SAMUEL-ROSA, A.; OTTONI, M. V.; MONTEIRO, J. E. B. de A. Bulk density (BD) is a soil physical property used as a soil quality indicator and variations in this measurement influence soil water content and carbon stock estimates. This study aims to compile a... ... Repository: BDPA Publication year: 2024
Zinc fractionation in cow, goat, sheep and soybean milk samples using gel-electrophoresis and determination by electrothermal atomic absorption spectrometry (ETAAS). Author(s): BOSSU, C. M.; GIGLIOTI, R.; OLIVEIRA, M. C. de S.; OLIVEIRA, P. V. DE; NOGUEIRA, A. R. de A. A screening method for zinc levels in different milk samples (raw cow, raw sheep, UHT cow, UHT goat and soybean milk base) was performed to establish the Zn levels' differences in protein samples. The... ... Repository: BDPA Publication year: 2021
Mineralogy of some soils from the Amazonia Sedimentary Basin. Author(s): FONTES, M. P. F.; XAVIER, B. T. L.; KER, J. C.; LIMA, H. N.; SOUZA, K. W. ABSTRACT: The Amazonia Forest is an important biome that possesses great diversity of fauna and flora, which can play a significant role in several science areas, specially, the gene reserve for the f... ... Repository: BDPA Publication year: 2014
Lignocellulosic biomass: organosolv process for lignocellulosic biomass fractionation. Author(s): GAMBETTA, R. Organosolv process for lignocellulosic biomass fractionation that eliminates the washing step and decreases the precipitation of dissolved/extracted lignin on cellulose fibers. Repository: BDPA Publication year: 2021
Chemical and physical fractions of soil organic matter under various management regimes in Roraima, Brazil. Author(s): GUARDIOLA, M. D. E.; VALE JÚNIOR, J. F. do; SILVA, E. E. da; ROSSI, C. Q.; PEREIRA, M. G. Repository: BDPA Publication year: 2017

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