O artigo fala-nos do Profeta amós, um profeta pouco estudado mas com uma mensagem profundamente atual no contexto de crise que atualmente aflige Portugal. uma mensagem que ganha atualidade e que é dona de uma pertinência e assertividade arrebatadoras. A doutrina de Amós, será, mais tarde, recuperada pelo próprio Jesus Cristo.
The compound 7,4prime-dihydroxy-5-methoxyflavylium (dracoflavylium) was identified as the major red colorant in samples of the resin ldquodragon's bloodrdquo, extracted from the tree Dracaena draco. The complex network of reversible chemical reactions that dracoflavylium undergoes in aqueous solution is fully described; for the first time, all the equilibrium constants that enable a complete characterisation of...
The compound 7,4prime-dihydroxy-5-methoxyflavylium (dracoflavylium) was identified as the major red colorant in samples of the resin ldquodragon's bloodrdquo, extracted from the tree Dracaena draco. The complex network of reversible chemical reactions that dracoflavylium undergoes in aqueous solution is fully described; for the first time, all the equilibrium constants that enable a complete characterisation of...
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