Biblioteca Digital

998 resultados para Pyrazine tetracarboxylic acid

beta--Resorcylic Acid Lactones from a Paecilomyces Fungus

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The nitrogen form of nonhydrolyzable residue of humic acid

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Study on the forms of exchangeable aluminum in acid soil

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Infrarded spectra of humic acid-Zn and-Cd complexes in soil

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Phosphorus compounds in a long-term fertilized acid soil

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A new salicylate isfet for the determination of salicy lic and acetylsalicylic acid in drugs

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Acid-buffer capacity of ferralitic soils in south china

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Consequence of adsorption of sulfate by acid red soils

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