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Results 1 to 25 of 599

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La dénitrification naturelle dans les eaux souterrainesLANDREAU, A; MARIOTTI, A; SIMON, B et al.Hydrogéologie (Orléans). 1988, Num 1, pp 35-43, issn 0246-1641Article

New reference materials for nitrogen-isotope-ratio measurementsBOHLKE, J.K; GWINN, C.J; COPLEN, T.B et al.Geostandards newsletter. 1993, Vol 17, Num 1, pp 159-164, issn 0150-5505Article

Natural 15N abundance measurements and atmospheric nitrogen standard calibration = Mesure des abondances naturelles de 15N et étalonnage du standard d'azote atmosphériqueMARIOTTI, A.Nature (London). 1984, Vol 311, Num 5983, pp 251-252, issn 0028-0836Article

Do 15N variations in peat bogs allow statements of climatic changes in the past? = Les variations de N15 dans les tourbières permettent-elles d'observer des variations climatiques dans le passé ?SCHLESER, G. H.Palaeoclimatic research and models. Workshop. 1983, pp 124-128Conference Paper

Nitrogen isotopes in drive tube 79002/79001 : regolith history and nitrogen isotopic evolution in the solar wind = Les isotopes de l'azote dans le tube de commande 79002/79001 : histoire du régolithe et évolution isotopique de l'hydrogène dans les vents solairesSTONE, J; CLAYTON, R.N.Lunar and planetary science conference. 19. 1989, pp 285-295Conference Paper

High-precision determination of nitrogen stable isotope ratios at the sub-nanomole level = Détermination avec une haute précision des rapports isotopiques stables de l'azote à un niveau inférieur à la nanomoleWRIGHT, I. P; BOYD, S. R; FRANCHI, I. A et al.Journal of physics. E. Scientific instruments. 1988, Vol 21, Num 9, pp 865-875, issn 0022-3735Article

Isotopic study of nitrogen in the Sumikawa-Ohnuma geothermal system, Northeast JapanUEDA, A; KUBOTA, Y; NAGAI, Y et al.International geological congress. 1992, p.848Conference Paper

Nitrogen isotopes and N2/Ar rations in cherts : An attempt to measure time evolution of atmospheric δ15N valueSANO, Y; PILLINGER, C.T.Geochemical journal. 1990, Vol 24, Num 5, pp 315-325, issn 0016-7002, 11 p.Article

15N-enriched nitrogen in polymict ureilites and its bearing on their formation = Présence d'azote enrichi en 15N dans les ureilites hétérogènes et importance de ce fait concernant leur formationGRADY, M. M; PILLINGER, C. T.Nature (London). 1988, Vol 331, Num 6154, pp 321-323, issn 0028-0836Article

Large amounts of extinct 2Al in interstellar grains from the Murchison meteoriteZINNER, E; AMARI, S; ANDERS, E et al.Nature (London). 1991, Vol 349, Num 6304, pp 51-54, issn 0028-0836, 4 p.Article

Relic interstellar grains in Murchison Meteorite = Grains reliques interstellaires dans la Météorite MurchisonYANG, J; EPSTEIN, S.Nature (London). 1984, Vol 311, Num 5986, pp 544-547, issn 0028-0836Article

Reconstructing ancient diets = Reconstitution d'alimentation ancienneBURLEIGH, R.Nature (London). 1986, Vol 319, Num 6051, pp 259-260, issn 0028-0836Article

Seasonal variations in natural abundance of 15N in particles sinking to the deep Sargasso Sea = Variations saisonnières de l'abondance naturelle de 15N dans les particules sombrant dans la Mer profonde des SargassesALTABET, M. A; DEUSER, W. G.Nature (London). 1985, Vol 315, Num 6016, pp 218-219, issn 0028-0836Article

A new method for the recovery of ammonium from natural water for measurement of 15N composition in isotope dilution experiments = Nouvelle méthode de récupération de l'ammonium à partir des eaux naturelles pour la mesure de la composition en N15 dans des expériences de dilution isotopiqueFISHER, T. R; MORRISSEY, K. M.Marine chemistry. 1985, Vol 16, Num 1, pp 11-21, issn 0304-4203Article

Utilisation des variations naturelles d'abondance isotopique en 15N pour tracer l'origine des pollutions des aquifères par les nitratesMARIOTTI, A.International Symposium on isotope hydrology in water resources development. 6. 1984, pp 605-633Conference Paper

Novel findings on hopanoid occurrences among sulfate reducing bacteria: Is there a direct link to nitrogen fixation?BLUMENBERG, Martin; HOPPERT, Michael; KRÜGER, Martin et al.Organic geochemistry. 2012, Vol 49, pp 1-5, issn 0146-6380, 5 p.Article

Stable carbon and nitrogen isotope ratios of individual amino acids give new insights into bone collagen degradataionTURBAN-JUST, S; SCHRAMM, S.Bulletin de la Société géologique de France. 1998, Vol 169, Num 1, pp 109-114, issn 0037-9409Article

Les dépôts organiques du lac Tritrivakely (Ankaratra, Madagascar) : enregistrements isotopiques et paléoenvironnements = Organic deposits of lake Tritrivakely (Ankaratra, Madagascar): isotopic records and paleoenvironmentsGIBERT, E; GASSE, F; MASSAULT, M et al.Réunion des Sciences de la Terre. 1996, Num 16, 11Conference Paper

Nitrogen isotope abundances in the recent solar windKIM, J. S; KIM, Y; MARTI, K et al.Nature (London). 1995, Vol 375, Num 6530, pp 383-385, issn 0028-0836Article

Seasonal variability of δ15N in settling particles in the Arabian Sea and its palaeogeochemical significanceSCHÄFER, P; ITTEKKOT, V.Naturwissenschaften. 1993, Vol 80, Num 11, pp 511-513, issn 0028-1042Article

Modèle sur l'origine des diamants couverts = A model of the origin of covered diamondsBOYD, S.R; PINEAU, F; JAVOY, M et al.Programme dynamique et bilans de la Terre. Résultats des travaux 1989 - 1992. 1992, 2 p.Book Chapter

Characterization of natural and synthetic humic substances (melanoidins) by stable carbon and nitrogen isotope measurements and elemental compositionsIKAN, R; DORSEY, T; KAPLAN, I. R et al.Analytica chimica acta. 1990, Vol 232, Num 1, pp 11-18, issn 0003-2670, 8 p.Article

Interstellar diamonds in meteorites = Diamants interstellaires dans les météoritesLEWIS, R. S; TANG MING; WACKER, J. F et al.Nature (London). 1987, Vol 326, Num 6109, pp 160-162, issn 0028-0836Article

Isotope effects of nitrogen in the soil and biosphere = Effets isotopiques de l'azote dans les sols et la biosphèreHUBNER, H.Handbook of environmental isotope geochemistry. 1986, Vol 2, pp 361-425, issn 0167-949XArticle

Simultaneous measurement of benthic denitrification, with the isotope pairing technique and the N2 flux method in a continuous flow-through systemRISGAARD-PETERSEN, N; NIELSEN, L. P; BLACKBURN, T. H et al.Water research (Oxford). 1998, Vol 32, Num 11, pp 3371-3377, issn 0043-1354Article

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