Mostrando resultados 15 a 25 de 25
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| Derechos | Preview | Fecha Public. | Título | Autor(es) | Tipo |
| openAccess |  | 1976 | FT - C13 nuclear magnetic resonance spectra of natural humic substances | González-Vila, Francisco Javier CSIC ORCID ; Lentz, Harro; Lüdemann, H.-D. | artículo |
| openAccess |  | 1997 | Incorporation studies of NH+4 during incubation of organic residues by 15N-CPMAS-NMR-spectroscopy | Knicker, Heike CSIC ORCID ; Lüdemann, H.-D.; Haider, K. M. | artículo |
| openAccess |  | 2000 | Monitoring by 13C and 15N CPMAS NMR the incorporation to soil of the organic fractions from 15N-labelleo compost | Tinoco, Pilar CSIC ORCID; González-Vila, Francisco Javier CSIC ORCID ; Almendros Martín, Gonzalo CSIC ORCID ; Lankes, U.; Lüdemann, H.-D. | comunicación de congreso |
| openAccess |  | abr-1995 | N-15 and C-13 CPMAS and solution NMR studies of N-15 enriched plant material during 600 days of microbial degradation | Knicker, Heike CSIC ORCID ; Lüdemann, H.-D. | artículo |
| openAccess |  | 1987 | NMR and ESR investigation of the humification processes in defined vegetable starting materials | Almendros Martín, Gonzalo CSIC ORCID ; Fründ, R.; González-Vila, Francisco Javier CSIC ORCID ; Lüdemann, H.-D.; Martín Martínez, Francisco | artículo |
| openAccess | | 2000 | Physical and chemical speciation of nitrogen in peat and derived humic fractions as revealed by 15N- and 13C-NMR under quantitative acquisition conditions | Almendros Martín, Gonzalo CSIC ORCID ; Tinoco, Pilar CSIC ORCID; Lankes, U.; Lüdemann, H.-D.; González-Vila, Francisco Javier CSIC ORCID | comunicación de congreso |
| closedAccess |  | ene-1994 | Recent advances in the spectroscopic characterization of soil humic substances and their ecological relevance | Fründ, R.; Guggenberger, G.; Haider, K. M.; Knicker, Heike CSIC ORCID ; Kögel-Knabner, I.; Lüdemann, H.-D.; Luster, Jörg; Zech, W.; Spiteller, M. | artículo |
| openAccess |  | 1992 | Solid state NMR studies of fire-induced changes in the structure of humic substances | Almendros Martín, Gonzalo CSIC ORCID ; González-Vila, Francisco Javier CSIC ORCID ; Martín Martínez, Francisco; Fründ, R.; Lüdemann, H.-D. | artículo |
| openAccess |  | 2000 | Stability appraisal of urban waste compost by CPMAS 13C-NMR analysis of its humic-type fractions | González-Vila, Francisco Javier CSIC ORCID ; Tinoco, Pilar CSIC ORCID; Lankes, U.; Lüdemann, H.-D. | póster de congreso |
| openAccess |  | 1989 | Structural differences between humic fractions from different soil types as determined by FT-IR and 13C-NMR studies | Fründ, R.; Lüdemann, H.-D.; González-Vila, Francisco Javier CSIC ORCID ; Almendros Martín, Gonzalo CSIC ORCID ; Río Andrade, José Carlos del CSIC ORCID ; Martín Martínez, Francisco | artículo |
| closedAccess |  | 1993 | The chemical nature of nitrogen in native soil organic matter | Knicker, Heike CSIC ORCID ; Fründ, R.; Lüdemann, H.-D. | artículo |
