海量图书期刊资源,随时随地畅享阅读乐趣
Authors' replyP. Ruggiero; F.S. Interesse; O. Sciacovelli · 1981
1H NMR and i.r. spectroscopic investigations on soil organic fractions obtained by gel chromatographyP. Ruggiero; F.S. Interesse; L. Cassidei; O. Sciacovelli · 1981
[1H] and [13C]NMR studies on the importance of aromatic structures in fulvic and humic acidsP. Ruggiero; F.S. Interesse; O. Sciacovelli · 1979
Spectroscopic studies on soil organic fractions—II. IR and 1H-NMR spectra of methylated and unmethylated fulvic acidsP. Ruggiero; O. Sciacovelli; C. Testini; F.S. Interesse · 1978