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  • Springer  (202)
  • Wiley  (57)
  • Oxford University Press  (20)
  • 1985-1989  (279)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Thermal studies on metal complexes of 5-nitrosopyrimidine derivatives (1986)
    Springer
    Journal of thermal analysis and calorimetry 31 (1986), S. 573-580 
    Details
    ISSN: 1572-8943
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Die folgenden Komplexe von Zn(II), Cd(II), Hg(II) und Hg(I) mit 4-Amino-1,6-dihydro-2-methylthio-5-nitroso-6-oxopyrimidin (MTH) wurden dargestellt und hinsichtlich ihres thermischen Verhaltens durch TG und DSC untersucht: Zn(MT)2 · 3H2O, Cd(MT)·H2O, Cd(MTH)Cl2, Hg(MTH)Cl2 und Hg2(MTH)(NO3). Die Werte der Enthalpie der Dehydratisierung und Dehalogenisierung wurden berechnet.
    Abstract: Резюме Получены комплексы с остава Zn(MT)2·ЗН2О, Cd(MT)2·H2O, Cd(MTH)Cl2, Hg(MTH)Cl2 и Hg2(MT)NO3, где МТН — 4-амино-1,6-дигидро-2-метил тио-5-нитрозо-6-оксопири мидин. Термическое поведен ие комплексов изучено методами ТГ и ДСК. Вычислены энтальпии реакций де гидратации и дегалог енирования.
    Notes: Abstract The following Zn(II), Cd(II), Hg(II) and Hg(I) complexes of 4-amino-1,6-dihydro-2-methylthio-5-nitroso-6-oxopyrimidine (MTH) have been prepared and their thermal behaviour studied by TG and DSC techniques: Zn(MT)2·3H2O, Cd(MT)·H2O. Cd(MTH)Cl2, Hg(MTH)Cl2 and Hg2(MT)(NO3). The dehydration and dehalogenation enthalpy values were calculated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01914234
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  • 2
    Electronic Resource
    Electronic Resource
    Rh(III), Pd(II), Pt(IV) and Au(III) complexes of 2-thiopyrimidine derivatives (1987)
    Springer
    Monatshefte für Chemie 118 (1987), S. 883-891 
    Details
    ISSN: 1434-4475
    Keywords: Complexes ; Thermal analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Es wurden einige neue Thiopyrimidinderivate und deren Komplexe synthetisiert und mittels Elementaranalyse, IR und1H-NMR charakterisiert: 4-Amino-5-nitroso-6-oxo-1,2,3,6-tetrahydro-2-thio-pyrimidin (TANH), dessen 2-Methylthio-Derivat (MTH), das Ammoniumsalz vonTANH (sTANH) und sechs neue Komplexe der Formeln Rh(MT)2Cl · 2H2O, Pd(MTH)2Cl2, Pt(MTH)2Cl4, Au(MTH)Cl3, Pd(TANH)2Cl2 und Au(TAN −)Cl. Das thermische Verhalten der Verbindungen wurde ebenfalls untersucht.
    Notes: Abstract Some news thiopyrimidine derivatives and complexes [4-amino-5-nitroso-6-oxo-1,2,3,6-tetrahydro-2-thio-pyrimidine (TANH), its 2-methylthio derivative (MTH), the ammonium salt ofTANH (sTANH) and six new complexes of formulas: Rh(MT)2Cl · 2H2O, Pd(MTH)2Cl2, Pt(MTH)2Cl4, Au(MTH)Cl3 Pd(TANH)2Cl2 and Au(TAN −)Cl] have been synthesized and characterized by elemental analysis, IR and1H-NMR spectroscopy techniques. The thermal behaviour of all compounds has also been studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00815316
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  • 3
    Electronic Resource
    Electronic Resource
    Superoxide dismutase in strains of the genus Flavobacterium: isolation and characterization (1989)
    Springer
    Archives of microbiology 152 (1989), S. 407-410 
    Details
    ISSN: 1432-072X
    Keywords: Superoxide dismutase ; Flavobacterium genus ; Flavobacterium halmephilum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Two electrophoretically different forms of superoxide dismutase, one of them containing manganese-protein and the other iron-protein, were detected in eleven different strains of the genus Flavobacterium. The activities of the different strains were similar to those described for other bacteria. The two molecular forms of the enzyme differed clearly with regard to activity, electrophoretic behaviour, sensitivity to cyanide and peroxide, and NaCl requirement. Both molecular forms were isolated from Flavobacterium halmephilum. Molecular mass absorption spectra, metal content, optimum pH, heat-sensitivity and stability were described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00425182
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  • 4
    Electronic Resource
    Electronic Resource
    Thermal studies on metal complexes of 5-Nitrosopyrimidine derivatives (1986)
    Springer
    Journal of thermal analysis and calorimetry 31 (1986), S. 361-367 
    Details
    ISSN: 1572-8943
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Neue 4-Amino-5-nitroso-6-oxo-1,2,3,6-tetrahydro-2-thiopyrimidin-Komplexe (TANH) von Zn(II), Cd(II), Hg(II) und Hg(I) wurden dargestellt und ihr thermisches Verhalten mittels TG und DSC untersucht. Die Dehydratisierungs- und Deamminierungsenthalpien der Komplexe wurden berechnet.
    Abstract: Резюме С помощью методов ТГ и ДСК изучено термичес кое поведение новых комп лексов 4-амино-5-нитрозо-6-оксо-1,2,3,6-тетрагидро-2-ти опиримидина с цинком, кадмием, однов алентной и двухвалентной ртут ью. Вычислены энтальп ии реакций дегидратаци и и деамминирования.
    Notes: Abstract New 4-amino-5-nitroso-6-oxo-1,2,3,6-tetrahyaro-2-thiopyrimidine (TANH) complexes of Zn(II), Cd(II), Hg(II) and Hg(I) were prepared and their thermal behaviour was studied by TG and DSC techniques. The dehydration and deamination enthalpies of the corresponding complexes were calculated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01911068
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  • 5
    Electronic Resource
    Electronic Resource
    Thermoanalytical studies on montmorillonite-pirimicarb complexes (1989)
    Springer
    Journal of thermal analysis and calorimetry 35 (1989), S. 1679-1686 
    Details
    ISSN: 1572-8943
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Mittels TG und DSC Techniken wurde die thermische Zersetzung der Zwischenschichtkomplexe von homoionischen Proben von Montmorillonit mit dem Karbamatinsektizid Pirimicarb (2-Dimethylamino-5,6-dimethylpyrimidin-4-yl-dimethylkarbamat) untersucht. Die Zersetzung der organischen Verbindung wurde mittels IR-Spektroskopie und Röntgendiffraktion verfolgt. Es wurde beobachtet, daß die thermische Zersetzung von Pirimicarb durch Adsorption an dem Ton katalysiert wird. Sowohl die Katalysatorkapazität des Tones als auch die Werte für die Zersetzungsenthalpie hängen von der Art der Zwischenschichtkationen des Montmorillonites ab.
    Abstract: Резюме Методом ТГ и ДСК изуче но термическое разложение прослоис тых комплексов гомоионных образцов монтмориллонита с карбаматпроизводны м инсектицидом пирим икарб (2-диметиламино-5,6-димет илпиримидин-4-ил-димет илкарбамат). Исследов ание прод uктов разложения было пров едено с помощью ИК спе ктроскопии и рентгенофазового а нализа. Найдено, что термичес кое разложение пирим икарба катализируется адсо рбцией его этим минералом. Каталитич еская способность ми нерала и значения энтальпий р азложения зависят от характеристик межсл оевого катиона монтм ориллонита.
    Notes: Abstract The thermal decomposition of the interlayer complexes of homoionic samples of montmorillonite with the carbamate insecticide pirimicarb (2-dimethylamino-5, 6-dimethyl pyrimidin 4-yl-dimethyl carbamate) was studied using TG and DSC techniques. The decomposition of the organic compound was followed by IR spectroscopy and X-ray diffraction. It was observed that the thermal decomposition of pirimicarb is catalyzed by adsorption by the clay. Both the catalytic capacity of the clay and the values of the decomposition enthalpies depend on the characteristics of the interlayer cation of the montmorillonite.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01912942
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  • 6
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    Superoxide dismutase in strains of the genus Flavobacterium: isolation and characterization (1989)
    Springer
    Details
    Publication Date: 1989-09-01
    Print ISSN: 0302-8933
    Electronic ISSN: 1432-072X
    Topics: Biology
    Published by Springer
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  • 7
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    Influence of soil characteristics on the adsorption of pirimicarb (1988)
    Wiley
    Details
    Publication Date: 1988-07-01
    Print ISSN: 0730-7268
    Electronic ISSN: 1552-8618
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Wiley
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  • 8
    Electronic Resource
    Electronic Resource
    Zygotic algebra for two linked loci with sexually different recombination rates (1985)
    Springer
    Bulletin of mathematical biology 47 (1985), S. 771-782 
    Details
    ISSN: 1522-9602
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract This is a study of the properties of a zygotic algebra of two linked autosomal loci with different recombination rates in males and females, without selection or mutation and with random mating. The above-mentioned zygotic algebra contains a genetic subalgebra. A canonical basis of this subalgebra is constructed and the train roots are calculated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02469304
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  • 9
    Electronic Resource
    Electronic Resource
    Experimental effects of Argon and CO2 lasers on skin and vessels (1989)
    Springer
    Lasers in medical science 4 (1989), S. 95-103 
    Details
    ISSN: 1435-604X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Physics , Technology
    Notes: Summary Response of rabbit ear blood vessels and defects on the pig skin to Argon and CO2 lasers, (1 to 4 Watts and 0,1 to 0,2 sec pulses), were analysed. Examining lesion depth and its diameter, it was seen, using both lasers, that when power and time exposure increased, lesion depth increased as well, At the same time, when power was increased and the time of irradiation was constant, the diameter of the lesion remained approximately the same. Histologically, by using Argon laser at 1'5 W, there is no evidence of skin lesion but vessel coagulation occurs. On the other hand, more power (3 to 4 W) produces skin destruction. CO2 laser at 1'5 W causes skin destruction while 3 W penetrates deeper, cutting all tissues and producing vessel-wall fragmentation and haemorrhage. In contrast to CO2 laser, which definitly stops blood circulation by cutting the vessels, Argon laser entails many recurrences and vessels re-start circulation; a fact which is not desirable in cutaneous vascular disorders treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02276673
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  • 10
    Electronic Resource
    Electronic Resource
    Compression creep of molten poly (butylene terephthalate) (1988)
    Springer
    Rheologica acta 27 (1988), S. 634-638 
    Details
    ISSN: 1435-1528
    Keywords: Compressioncreep ; compression creepcompliance ; volumeviscosity ; poly(butylene terephthalate)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Abstract Viscoelastic parameters of poly(butylene terephthalate) melt in compression creep have been measured in an Instron Capillary Rheometer. Bulk compression creep complianceB(t) shows plateau regions in the molten state and in the melt crystallized state, both decreasing with increasing stress. Shifting ofB(t) curves provides master curves suitable for analyzing the total (superposed elastic and viscous) bulk compression behavior. Volume viscosity decreases with both increasing stresses and compression rates but seems to be independent of temperature. Its values are larger than those from constant compression rate experiments, possibly due to the presence of elastic effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01337459
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