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  • 1995-1999  (3)
  • 1985-1989  (4)
  • Inorganic Chemistry  (4)
  • Added nitrogen interaction  (2)
  • 21.20Re
  • 1
    Electronic Resource
    Electronic Resource
    Rotational band in111Sn (1995)
    Springer
    The European physical journal 351 (1995), S. 1-2 
    Details
    ISSN: 1434-601X
    Keywords: 23.20Lv ; 27.60+j ; 21.20Re
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Partial level scheme of the neutron deficient111Sn isotope is established upto an excitation energy of about 9 MeV and Iπ=43/2− from γ-rays following103Rh(12C, p3n) reaction. Clear evidence for the existence of a negative parity rotational band aboveγ=23/2−, most probably based on 3p-2h configuration, is obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292775
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  • 2
    Electronic Resource
    Electronic Resource
    Mineralization of soil organic nitrogen solubilized by aqua ammonia fertilizer (1996)
    Springer
    Biology and fertility of soils 23 (1996), S. 93-98 
    Details
    ISSN: 1432-0789
    Keywords: Added nitrogen interaction ; Alkaline-hydrolysing fertilizer ; Aqua ammonia ; Gross N immobilization ; Gross N mineralization ; 15N ; Soluble organic N availability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Organic N solubilized by NH3(aq) was extracted from 15N-labelled or unlabelled soil, concentrated and added to non-extracted soil, which was incubated under aerobic conditions at 27±1°C. Gross N mineralization, gross N immobilization, and nitrification in soils with or without addition of unlabelled soluble organic N were estimated by models based on the dilution of the NH 4 + or NO inf3 sup- pools, which were labelled with 15N at the beginning of incubation. Mineralization of labelled organic N was measured by the appearance of label in the mineral N pool. Although gross N mineralization and gross N immobilization were increased in two soils between day 0 and day 7 following addition of unlabelled organic N solubilized by NH3(aq), there was no increase in net N mineralization. Solubilization of 15N-labelled organic N increased and the 15N enrichment of the soluble organic N decereased as the concentration of NH3(aq) added increased. A constant proportion of approximately one-quarter of the labelled organic N added at different rates to non-extracted soil was recovered in the mineral N pool after an incubation period of 14 days, and the availability ratios calculated from net N mineralization data were 1.1:1 and 2.1:1 for 111 and 186 mg added organic-N kg-1 soil, respectively, indicating that the mineralization of organic N was increased by solubilization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335824
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  • 3
    Electronic Resource
    Electronic Resource
    Biological interactions between soil nitrogen and alkaline-hydrolysing nitrogen fertilizers (1995)
    Springer
    Biology and fertility of soils 20 (1995), S. 41-48 
    Details
    ISSN: 1432-0789
    Keywords: Added nitrogen interaction ; Ammonia fixation ; 15N ; Immobilization ; Fertilizer-induced solubilization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Added N interactions were measured in four soil incubated with 15N-labelled urea or diammonium phosphate. The use of biologically active, γ-irradiated, or reinoculated γ-irradiated samples allowed us to separate added N interactions due to chemical and biological processes, and to distinguish real interactions from apparent effects. Real biologically mediated added N interactions were observed in one soil for both fertilizer sources and in three soils amended with urea. These real interactions increased with the N fertilizer rate, but did not differ significantly between N sources. Fertilizer-induced unlabelled organic N in soil extracts declined during incubation in both sterile and non-sterile samples, but the temporal decline was higher in biologically active soil. Changes in fertilizer-induced unlabelled organic N in the extracts of three soils attributed to biological processes were similar to the measured real biologically mediated added N interactions. The results are consistent with the hypothesis that real biologically mediated added N interactions arise from the mineralization of soil organic N solubilized by alkaline-hydrolysing N fertilizers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00307839
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  • 4
    Electronic Resource
    Electronic Resource
    Acetylacetone complexes of tetravalent molybdenum (1989)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 570 (1989), S. 159-166 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Acetylacetonat-Komplexe des vierwertigen MolybdänsEinige neue Komplexe des vierwertigen Molybdäns mit Acetylaceton werden dargestellt, wobei sich zwei Reihen von Komplexen mit unterschiedlichen koordinativen Bindungen für Acetylaceton ergeben. Alle Verbindungen werden durch Elementaranalyse, spektroskopische Daten, magnetische und Leitfähigkeits-Messungen charakterisiert.
    Notes: Some new complexes of tetravalent molybdenum containing acetylacetone have been synthesized by the reaction of acetylacetone with hydrated molybdenum(IV) oxide. Two series of complexes having varied coordination linkages for acetylacetone have been isolated under appropriate conditions. All the compounds were characterized through their elemental analyses, spectral data, magnetic moment and conductance measurement.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19895700117
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  • 5
    Electronic Resource
    Electronic Resource
    Nitrosyl rhenium complexes: Syntheses, properties, and structures of acetylacetonato derivatives (1987)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 548 (1987), S. 217-224 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Nitrosyl-Rhenium-Komplexe: Darstellung, Eigenschaften und Struktur von Acetylacetonato-DerivatenEinige neue Rhenium-Komplexe, wie [Re(NO)(acac)2(Cl)H2O] und Re(NO)(acac)3(acacH)(H2O)2 wurden durch Umsatz von Re(NO)Cl3 · H2O bzw. Re(NO)(OH)3 · H2O mit Acetylaceton dargestellt. Ferner wird die Darstellung von [Re(NO)(py)(acac)2(Cl) · H2O], [Re(NO)(acac)(OH)(Cl) · H2O], [Re2(NO)2(acacH)3(acac)2 · Cl4], [Re(NO)(acac)2(OH) · H2O] · 2 H2O angegeben. Die Komplexe werden durch Elementaranalyse, spektroskopische, magnetische und Leitfähigkeitsdaten charakterisiert.
    Notes: Some new complexes of rhenium containing monocoordinating acetylacetone viz. [Re(NO)(acac)2(Cl)H2O], Re(NO)(acac)3(acacH)(H2O)2 have been synthesized by reacting acetylacetone with either Re(NO)Cl3 · H2O or Re(NO)(OH)3 · H2O. The preparation of [Re(NO)(py)(acac)2(Cl) · H2O], [Re(NO)(acac)(OH)(Cl) · H2O], [Re2(NO)2(acacH)3(acac)2 · Cl4], [Re(NO)(acac)2(OH) · H2O] · 2 H2O have also been described. These complexes were characterized through their elemental analyses, u.v., vis, i.r., 1Hn.m.r., magnetic, and conductance data.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19875480524
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  • 6
    Electronic Resource
    Electronic Resource
    Oxalato and Chlorooxalato Derivatives of MoIV (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 524 (1985), S. 201-207 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Oxalato- und Chlorooxalato-Komplexe von MoIVEs wurden die freie Säure Mo(C2O4H)(OH)3H2O und ihre K+-, NH4+- und Pb2+-Salze dargestellt. Aus diesen Verbindungen wurden auch einige Chloro-oxalato-Komplexe hergestellt. Alle Verbindungen wurden chemisch und physicochemisch charakterisiert, und es werden Vorschläge für ihre Strukturen gemacht.
    Notes: A free acid Mo(C2O4H)(OH)3(H2O) has been prepared. The corresponding K+, NH4+ and Pb2+ salts have been synthesized. Starting from this, some chloro-oxalato derivatives were prepared. All the compounds are characterised by chemical and physico-chemical studies and their structures are proposed.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855240526
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  • 7
    Electronic Resource
    Electronic Resource
    Nitrosyl Rhenium Complexes: Thiocyanato Derivatives (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 526 (1985), S. 179-185 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Rhenium-Nitrosyl-Komplexe: Thiocyanato-DerivateSchmelzen von K2[Re(NO)Cl5] mit KSCN ergibt [Re(NO)(SCN)5]2-, das als freie Säure bzw. in Form der K+-, Na+-, NMe4+-, Pb2+-, Hg2+-, phenH+- und dipyH+-Salze isoliert werden kann. Eine Verbindung mit der Zusammensetzung Hg2[Re(NO)(SCN)7] wurde ebenfalls dargestellt. [Re(NO)Cl(SCN)4]2- wurde bei der Reaktion von H2[Re(NO)(SCN)5] mit HCl in wäßrigem Medium erhalten und als NMe4+-Salz isoliert. In wäßrigem Medium reagiert Re(NO)Cl3 mit KSCN unter Bildung von [Re(NO)Cl2(SCN)3]2-, das als phenH+- und dipyH+-Salz isoliert wurde. Die Komplexe wurden durch Elementaranalyse, spektroskopisch (UV-VIS, IR), magnetisch und durch Leitfähigkeitsmessungen charakterisiert. Strukturen für die Verbindungen werden vorgeschlagen.
    Notes: Fusion of K2[Re(NO)Cl5] with KSCN produces the ion [Re(NO)(SCN)5]2- which has been isolated as free acid and K+, Na+, NMe4+, Pb2+, Hg2+, phen H+ and dipyH+ salts. A salt of composition Hg2[Re(NO)(SCN)7] has also been prepared. The species [Re(NO)Cl(SCN)4]2- has been obtained from the reaction of H2[Re(NO)(SCN)5] with HCl in aqueous medium and its NMe4+ salt has been isolated. Hydrated Re(NO)Cl3 reacts with KSCN in aqueous medium to produce the ion [Re(NO)Cl2(SCN)3]2- which has been isolated as its phenH+ and dipyH+ salts. The complexes have been characterized through elemental analyses, spectral (u.v., vis., i.r.) properties, magnetic and conductance data. The structures of all those compounds have been proposed.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855260722
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