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  • 1970-1974  (5)
Source
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Comparison of surface activity of some o-diphenols at dme in pulsating field (1973)
    Springer
    Colloid & polymer science 251 (1973), S. 605-606 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01498586
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Comparison of polarity of organic compounds with reference to their structural influence by tensammetry (1974)
    Springer
    Colloid & polymer science 252 (1974), S. 396-399 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary The alternating current values,i dl. sat. corresponding to the saturation point of the surfactants at a potential corresponding to maximum desorption have been determined using tensammetric technique (alternating current polarography). The calibration curves follow an equation of the type of theLangmuir isotherm for all the compounds studied. It is observed that the value ofi dl. sat. thus obtained can be used successfully for comparing the polarity of a series of closely related organic compounds in aqueous solution, which are known to exhibit tensammetric waves.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01387964
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Comparison of surface activity of organic compounds by the influence of surfactants on reduction peaks by a.c. polarography (1971)
    Springer
    Colloid & polymer science 243 (1971), S. 136-140 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Es wurden die Oberflächenaktivitäten eng verwandter organischer Verbindungen durch tensammetrische Studien mit der Methode der Wechselstrompolarographie bestimmt.
    Notes: Summary Surface activity of closely related organic compounds are compared by utilising the optimum concentrations corresponding to more negative peaks and concentrations required to remove or to suppress less negative reduction peak due to organic compound and due to metal ion to maximum extent instead of tensammetric peak by a. c. polarography. Surface activity measurements are pH dependent. The correlation between optimum concentrations of surface-active substance and the amounts of reducible species would be of great significance in suppressing the polarographic maxima in d. c. polarography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01521135
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The effect of some pesticides in conjunction with nitrogen sources on growth and carbohydrate and nitrogen constituents of sugarcane during formative phase (1973)
    Springer
    Plant and soil 38 (1973), S. 33-40 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The effect of gamma isomer of benzene hexachloride and Telodrin both in absence and presence of ammonium and nitrate nitrogen carriers on shoot and root growth and carboydrate and nitrogen constituents of sugarcane was studied. The pesticides induced shoot emergence and development of tillers and roots. Shoot growth, nitrogen intake and insoluble nitrogen content invariably increased by pesticide application while soluble carbohydrate and soluble nitrogen content of the shoot decreased. Pesticides also increased the water-soluble nitrate content of the soil. The effect of pesticides was not confined to ammonical source of nitrogen rather the pesticides proved equally effective under nitrate source of nitrogen and also in absence of additional nitrogen. Beneficial effect of pesticides on growth and development of sugarcane appears largely on account of more efficient utilisation of soil and fertilizer nitrogen. The results raise an interesting possibility of using these pesticides as growth stimulators to increase the efficiency of sugarcane plants growing under sub-optimal conditions of nitrogen
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00011215
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Crystallisation in vacuum evaporated germanium films (1971)
    Springer
    Journal of materials science 6 (1971), S. 1326-1328 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00552048
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    Paper (German National Licenses)
    Fulltext
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