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HEAVY ATOM KINETIC ISOTOPE EFFECTS. II. NITROGEN ISOTOPE EFFECTS IN THE DECOMPOSITION OF AQUEOUS AROMATIC DIAZONIUM SALTSLOUDON AG; MACCOLL A; SMITH D et al.1973; J. CHEM. SOC., FARADAY TRANS., 1; G.B.; DA. 1973; VOL. 69; NO 5; PP. 899-903; BIBL. 9 REF.Serial Issue

CHANGES IN NATURAL 15N ABUNDANCE ASSOCIATED WITH PEDOGENIC PROCESSES IN SOIL. II: CHANGES ON DIFFERENT SLOPE POSITIONSKARAMANOS RE; RENNIE DA.1980; CANAD. J. SOIL SCI.; CAN; DA. 1980; VOL. 60; NO 2; PP. 365-372; ABS. FRE; BIBL. 17 REF.Article

CONTRIBUTION A L'ETUDE DES RESONANCES GEANTES DIPOLAIRES DE 16O ET 15N A PARTIR DE L'OBSERVATION DE CAPTURES RADIATIVES.DEGRE A.1975; AO-CNRS-11598; FR.; DA. 1975; PP. 1-206; BIBL. 11 P. 1/2; (THESE DOCT. SCI. PHYS; LOUIS PASTEUR STRASBOURG)Thesis

THE USE OF SOILS LIGHTLY ENRICHED IN 15N TO SCREEN FOR N2-FIXING ACTIVITYKOHL DH; SHEARER GB.1981; PLANT SOIL; ISSN 0032-079X; NLD; DA. 1981; VOL. 60; NO 3; PP. 487-489; BIBL. 9 REF.Article

TRANSFORMATION OF AMMONIUM AND NITRATE FERTILISERS IN TWO SOILS OF LOW AND HIGH NITRIFICATION ACTIVITYSTEELE KW; SAUNDERS WMH; WILSON AT et al.1980; N.Z.J. AGRIC. RES.; ISSN 0028-8233; NZL; DA. 1980; VOL. 23; NO 3; PP. 305-312; BIBL. 31 REF.Article

THE DETERMINATION OF NITROGEN-15 BY EMISSION AND MASS SPECTROMETRY IN BIOCHEMICAL ANALYSIS: A REVIEW. = REVUE SUR LE DOSAGE DE 15N PAR SPECTROMETRIE DE MASSE ET D'EMISSION EN ANALYSE BIOCHIMIQUEFIEDLER R; PROKSCH G.1975; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1975; VOL. 78; NO 1; PP. 1-62; BIBL. 2 P. 1/2Article

DER AUTOMATISIERTE 15N-ANALYSATOR NA-5A. III = L'ANALYSEUR DE 15N NA-5A AUTOMATISE. IIIGERSTENBERGER H; MEIER G; MAUERSBERGER K et al.1974; G.I.T., FACHZ. LAB.; DTSCH.; DA. 1974; VOL. 18; NO 6; PP. 612-615 (3 P.)Article

ON MIRROR STATES OF NEGATIVE PARITY IN MASS 15 NUCLEIMAIRLE G; WAGNER GJ.1973; Z. PHYS.; DTSCH.; DA. 1973; VOL. 258; NO 4; PP. 321-327; BIBL. 17 REF.Serial Issue

SIGNAL AVERAGING METHOD FOR HIGH RESOLUTION MASS SPECTRAL MEASUREMENT OF NITROGEN-15HADDON WF; LUKENS HC; ELSKEN RH et al.1973; ANAL. CHEM.; U.S.A.; DA. 1973; VOL. 45; NO 4; PP. 682-686; BIBL. 22 REF.Serial Issue

INEXPENSIVE 15N ANALYSIS OF AGRICULTURAL SAMPLES BY OPTICAL EMISSION SPECTROSCOPY EMPLOYING A SIMPLES ONE-STEP DUMAS SAMPLE PREPARATION PROCEDUREPRESTON CM; PRESTON JM; CALLWAY EG et al.1981; CAN. J. SPECTROSC.; ISSN 0045-5105; CAN; DA. 1981; VOL. 26; NO 6; PP. 239-244; ABS. FRE; BIBL. 11 REF.Article

THE ACCURATE DETERMINATION OF NITROGEN-15 WITH AN EMISSION SPECTROMETERYAMAMURO S.1981; SOIL SCI. PLANT NUTR. (TOKYO); ISSN 0038-0768; JPN; DA. 1981; VOL. 27; NO 4; PP. 405-419; BIBL. 17 REF.Article

TRANSFORMATION OF 15-N-LABELLED AMMONIUM IN TWO SOILS DIFFERING IN NH4+-FIXING CAPACITYFISCHER WR; PFANNEBERG T; NIEDERBUDDE EA et al.1981; J. SOIL SCI.; ISSN 0022-4588; GBR; DA. 1981; VOL. 32; NO 3; PP. 409-418; BIBL. 2 P.Article

SEPARATION DES ISOTOPES DANS LES REACTIONS CHIMIQUES SE DEROULANT DANS LES CONDITIONS DE NON-EQUILIBRE THERMODYNAMIQUEBASOV NG; BELENOV EH M; GAVRILINA LK et al.1974; ZH. EKSPER. TEOR. FIZ., PIS'MA REDAKC.; S.S.S.R.; DA. 1974; VOL. 19; NO 6; PP. 336-338; BIBL. 4 REF.Article

15N NUCLEAR MAGNETIC RESONANCE OF LIVING CELLS. = RMN 15N DES CELLULES VIVANTESLLINAS M; WUTHRICH K; SCHWOTZER W et al.1975; NATURE; G.B.; DA. 1975; VOL. 257; NO 5529; PP. 817-818; BIBL. 14 REF.Article

SAMPLE PREPARATION FOR AND NITROGEN ISOTOPE ANALYSIS BY THE NOI-4 EMISSION SPECTROSCOPEKEENEY DR; TEDESCO MJ.1973; ANAL. CHIM. ACTA; PAYS-BAS; DA. 1973; VOL. 65; NO 1; PP. 19-34; ABS. FR. ALLEM.; BIBL. 13 REF.Serial Issue

THE ISOTOPE COMPOSITION OF RESIDUAL FERTILIZER NITROGEN IN SOIL COLUMNSKARAMANOS RE; RENNIE DA.1981; SOIL SCI. SOC. AM. J.; USA; DA. 1981; VOL. 45; NO 2; PP. 316-321; BIBL. 9 REF.Article

FRACTIONNEMENT ISOTOPIQUE NATUREL DE L'AZOTE AMMONIACAL LORS DE SA VOLATILISATIONHAURAT J; BARDIN R; FAURIE G et al.1981; REV. ECOL. BIOL. SOL; ISSN 0035-1822; FRA; DA. 1981; VOL. 18; NO 1; PP. 1-7; ABS. ENG; BIBL. 11 REF.Article

EVOLUTION DE L'AZOTE DANS LE SOL ET SON ASSIMILATION PAR LES VEGETAUXDINCHEV D.1981; POCVOZN. AGROHIM.; ISSN 0554-341X; BGR; DA. 1981; VOL. 16; NO 1; PP. 53-58; ABS. RUS/ENG; BIBL. 6 REF.Article

SPATIAL VARIABILITY OF NITROGEN-15 AND TOTAL NITROGEN IN SOME VIRGIN AND CULTIVATED SOILSBROADBENT FE; RAUSCHKOLB RS; LEWIS KA et al.1980; SOIL SCI. SOC. AM. J.; USA; DA. 1980; VOL. 44; NO 3; PP. 524-527; BIBL. 11 REF.Article

CINETIQUE DES REACTIONS CHIMIQUES AU NON-EQUILIBRE ET SEPARATION DES ISOTOPESBASOV NG; BELENOV EH M; ISAKOV VA et al.1975; ZH. EKSPER. TEOR. FIZ.; S.S.S.R.; DA. 1975; VOL. 68; NO 6; PP. 2032-2037; ABS. ANGL.; BIBL. 6 REF.Article

ENRICHMENT OF N15 BY CHEMICAL REACTIONS IN A GLOW DISCHARGE AT 77OKMANUCCIA TJ; CLARK MD.1976; APPL. PHYS. LETTERS; U.S.A.; DA. 1976; VOL. 28; NO 7; PP. 372-374; BIBL. 11 REF.Article

HIGH RESOLUTION OPTICAL NITROGEN-15 ANALYSISMIDDELBOE V.1974; APPL. SPECTROSC.; U.S.A.; DA. 1974; VOL. 28; NO 3; PP. 274-276; BIBL. 15 REF.Article

THE NEUTRON CHANNEL IN MUON CAPTURE BY 15N AND 32SBELY YI; ERAMZHYAN RA; MAJLING L et al.1973; NUCL. PHYS., A; NETHERL.; DA. 1973; VOL. 204; NO 2; PP. 357-370; BIBL. 13 REF.Serial Issue

NITROGEN NMR SPECTROSCOPYWITANOWSKI M; WEBB GA.1972; ANNU. REP. N.M.R. SPECTROSC.; G.B.; DA. 1972; VOL. 5A; PP. 395-464; BIBL. 6 P. 1/2Serial Issue

EFFECTS DUE TO THE TYPE OF GLASS USED IN THE DISCHARGE TUBES ON THE CALIBRATION OF EMISSION SPECTROMETERS FOR THE MEASUREMENT OF NITROGEN-15LLOYD JONES CP; ADAM J; SALTER DN et al.1975; ANALYST; G.B.; DA. 1975; VOL. 100; NO 1197; PP. 891-895; BIBL. 8 REF.Article

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