Results 1 to 10 of about 5,205 (220)
Revista Brasileira de Ciência do Solo, 2006 Com o objetivo de estudar o efeito de diferentes posições do relevo e materiais de origem sobre as características mineralógicas da fração argila dos solos, foram estudadas duas toposseqüências de Latossolos (Latossolo Bruno ácrico LBw e Latossolo ...
André Ademir Ghidin +3 more
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Soil Systems, 2021 Temporal changes in soil development were assessed on fluvial terraces of the Little River in the upper Coastal Plain of North Carolina. We examined five profiles from each of six surfaces spanning about 100,000 years.
Bradley E. Suther +2 more
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Revista Brasileira de Ciência do Solo, 2019 Variations in chemical and mineralogical properties of a soil can occur at short vertical and horizontal distances. The objective of the present study was to evaluate the chemical and mineralogical soil properties of different aggregate classes from ...
Rolff Vladimir Mitton +2 more
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Metals, 2020 Sandy grade alumina is a valuable intermediate material that is mainly produced by the Bayer process and used for manufacturing primary metallic aluminum.
Dmitry Valeev +3 more
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International Journal of Electrochemical Science, 2018 In this work, gibbsite and boehmite were used as additives of gel valve regulated lead acid battery for the first time in the literature. Optimum amounts of additives were determined as 0.6wt% for each species by using of cyclic voltammetric and ...
Metin GENÇTEN
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Scientia Agricola, 2009 Hillslope curvatures are associated with specific environments that correlate to chemical and mineralogical attributes of soil, so determining specific management zones.
Diogo Mazza Barbieri +4 more
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Coating of Gibbsite Platelets with Silica [PDF]
Chemistry of Materials, 2004 In this work, gibbsite particles are synthesized from aluminum alkoxides in an acidic environment at 85 °C. After centrifugation, coating with silica is investigated following two different methods. Practical aspects and the feasibility to produce significant amounts of material are studied. The first method, analogous to a procedure used for boehmite,
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Acta Scientiarum. Agronomy, 2014 The low phosphorus availability in tropical and subtropical soils, normally related to adsorption of phosphate to the minerals surfaces, can be attenuated when organic matter (OM) accumulates in the soils.
Jessé Rodrigo Fink +4 more
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Effect of Dry Grinding on Gibbsite [PDF]
Bulletin of the Chemical Society of Japan, 1959 Abstract The effect of dry grinding on gibbsite was examined by X-ray diffraction, X-ray small angle diffraction and differential thermal analysis. It has been found that there are two sorts of structural change in the process of dry grinding. One, which occurs early in this process, is the slip of layers.
Goro Yamaguchi, Kenichi Sakamoto
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Mineralogy of the clay fraction of Alfisols in two slope curvatures: III - spatial variability
Revista Brasileira de Ciência do Solo, 2013 A good knowledge of the spatial distribution of clay minerals in the landscape facilitates the understanding of the influence of relief on the content and crystallographic attributes of soil minerals such as goethite, hematite, kaolinite and gibbsite ...
Livia Arantes Camargo +2 more
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