Thermodynamics equilibrium of potassidm-calcidm exchange reaction in soils with differents...

Transverse manipulation of atomic beams with potential use in atomic litography

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Effect of fluorine on aluminum and phosphorus in an ultisol and its accumulation...

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Planning for sustainable watershed soil use: a goal programming approach

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Surveying of gullies in mines from Basin of High Jacaré-Guaçu River, proposals for...

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