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  • 1
    Electronic Resource
    Electronic Resource
    Oxidation of Unbodied Linseed Oil (1937)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 29 (1937), S. 1393-1395 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50336a018
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  • 2
    Electronic Resource
    Electronic Resource
    Standing crops of chironomidae and tubificidae in two desert reservoirs, Central Arizona (1978)
    Springer
    Hydrobiologia 57 (1978), S. 217-224 
    Details
    ISSN: 1573-5117
    Keywords: Arizona ; desert reservoirs ; benthos standing crops ; Chironomidae ; Tubificidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In the two desert reservoirs examined seasonal and spatial variations in both densities and biomasses of chironomid dipterans and tubificid oligochaetes were quite high, but mean values are comparatively low. Densities of both organisms were generally low in summer, larger in autumn, and highest in spring. Disjunct distribution of the two taxa was evident. Distribution of these animals with depth in these desert reservoirs is affected by hypolimnic oxygen depletion, food supply (Chlorophyll-a concentrations), lake morphology and perhaps by substrate composition and predator-prey interactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00014576
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  • 3
    Electronic Resource
    Electronic Resource
    Buchbesprechungen (1979)
    Springer
    Mathematical methods of operations research 23 (1979), S. B59 
    Details
    ISSN: 1432-5217
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01951501
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  • 4
    Electronic Resource
    Electronic Resource
    Bestimmung des Aluminiums (1935)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 100 (1935), S. 48-50 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01349001
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  • 5
    Electronic Resource
    Electronic Resource
    Untersuchungen über die Bildung von Molybdänblau (1938)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 113 (1938), S. 241-247 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01358319
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  • 6
    Electronic Resource
    Electronic Resource
    Über die Reduktion von Eisen durch metallisches Zinn (1937)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 111 (1937), S. 1-3 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01493029
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  • 7
    Electronic Resource
    Electronic Resource
    Die Kristall- und MolekülStruktur von N,N′-Bis-(trimethylsilyl)-oximidsäure-bis(trimethylsilyl)-ester (1976)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 420 (1976), S. 51-54 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Crystal and Molecular Structure of N,N′-Bis(trimethylsilyl) Oximidic Acid Bis (trimethylsilyl) EsterThe X-ray structure analysis of the reaction product of oxalyl chloride with sodium bis(trimethylsilyl) amide formulated by PUMP and ROCHOW as N,N′-bis(trimethylsilyl) oximidic Acid bis (trimethylsilyl) ester shows that the suggested structure is correct for the solid state. The compound crystallizes in the space group P1 with a = 9.948(4), b = 6.612(3), c = 10.370(4) Å, α = 88.87(6), β = 116.95(4), γ = 98.23(6)°, and Z = 1. The molecule manifests symmetry 1.
    Notes: Die Röntgenstrukturanalyse des von PUMP und ROCHOW als N,N′-Bis(trimethylsilyl)-oximidsäure-bis(trimethylsilyl)-ester formulierten Reaktionsprodukts von Oxalylchlorid mit Natrium-bis(trimethylsilyl)-amid zeigt, daß diese Formulierung für den festen Zustand zutrifft. Die Verbindung kristallisiert in der Raumgruppe P1 mit a = 9,948(4), b = 6,612(3), c = 10,370(4) Å, α = 88,87(6), β = 116,95(4), γ = 98,23(6)° und Z = 1. Die Molekel besitzt die Eigensymmetrie 1.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19764200106
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  • 8
    Electronic Resource
    Electronic Resource
    Spektroskopische Untersuchungen an Schwefelverbindungen. VII. 1H- und 13C-NMR-spektroskopische Untersuchungen an Alkansulfinsäurechloriden und Chloroschwefligsäurealkylestern (1977)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 428 (1977), S. 237-242 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Spectroscopic Studies on Sulphur Compounds. VII. 1H- and 13C-NMR Spectroscopic Investigations of Sulphinic Acid Chlorides and Chloro-sulphurous Acid AlkylestersThe temperature dependent 1H- and 13C-n.m.r. spectra of the sulphinic acid chlorides R - S(O)Cl and of the chloro-sulphurous acid alkylesters RO - S(O)Cl with R = CH3CH2- and (CH3)2CH- have been measured. The differing behaviour of both nuclei is discussed in terms of inversion at the chiral sulphur atom.
    Notes: Von den Sulfinsäurechloriden R - S(O)Cl und den Chloroschwefligsäure-alkylestern RO - S(O)Cl mit R = CH3CH2- und (CH3)2CH- wurden die temperaturabhängigen 1H- und 13C-NMR-Spektren aufgenommen. Die dabei auftretenden unterschiedlichen Verhaltensweisen der beiden Kerne werden als Folge einer Inversionsbewegung am Chiralitätszentrum Schwefelatom diskutiert.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19774280130
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  • 9
    Electronic Resource
    Electronic Resource
    Die Struktur von N, N′-Bis(trimethylsilyl)-dithiooxamid (1978)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 443 (1978), S. 185-188 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Structure of N, N′-Bis (trimethylsilyl) DithiooxamideAn X-ray analysis of a compound prepared by WALTER et al. and formulated as N, N′-bis(trimethylsily1) dithiooxamide proves that the suggested structure is correct for the solid state. The compound crystallizes in the orthorhombic space group Pbcn with lattice constants a = 10.702, b = 12.485, c = 11.733 Å and Z = 4. The molecular symmetry is 1.
    Notes: Die Röntgenstrukturanalyse der von WALTER u. Mitarb. dargestellten und als N, N′-Bis(trimethylsilyl)-dithiooxamid formulierten Verbindung ergibt, daß diese Formulierung für den festen Zustand zutrifft. Die Verbindung kristallisiert in der orthorhombischen Raum-gruppe Pbcn mit den Gitterkonstanten a = 10,702, b = 12,485, c = 11,733 Å und Z = 4. Die Mole-krl besitzt die kristallographische Eigensymmetrie 1.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19784430119
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  • 10
    Electronic Resource
    Electronic Resource
    Spektroskopische Untersuchungen an Schwefelverbindungen. VI [1] Zum Problem der Silyl-Tautomerie von zweifach trimethylsilysubstituierten Sulfinamiden (1976)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 420 (1976), S. 55-64 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Spectroscopic Studies on Sulphur Compounds. VI. On Silyl Tautomerism in Bis-trimethylsilylated Sulphinic AmidesThe bis-trimethylsilylated sulphinic amides 1 and 2 (eq. 1) as well as the sulphenic amide 4 (eq. 2) have been prepared for the first time and their structures deduced from lH n.m.r., 29Si n.m.r., i.r., and mass spectra. The imidate structure B (scheme 1) has been assigned unequivocally to compounds 1 and 2. The same structure is suggested for the known compound 3 on the basis of its spectroscopic behaviour. 29Si n.m.r. spectra are recorded for several reference compounds.
    Notes: Die zweifach trimethylsilylsubstituierten Sulfinamide 1 und 2 (Gl. 1) sowie das Sulfenamid 4 (Gl. 2) wurden erstmalig dargestellt und über 1H-NMR-, 29Si-NMR-, IR-und Massenspektren charakterisiert. Demnach liegen die Verbindungen 1 und 2 eindeutig, die bereits bekannte Verbindung 3 mit hoher Wahrscheinlichkeit in der N,O-silylsubstituierten Imidform B (Schema 1) vor. Die 29Si-NMR-Spektren einer Reihe von Vergleichssubstanzen werden mitgeteilt.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19764200107
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