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  • 1
    Electronic Resource
    Electronic Resource
    Analysis of extrudate swell behaviour of rubber compounds using laser scan detector (1981)
    Springer
    Rheologica acta 20 (1981), S. 94-97 
    Details
    ISSN: 1435-1528
    Keywords: Rubber ; extrudate swell (die swell) ; natural rubber ; polybutadiene ; blend
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Summary Classical extrudate swell measurements such as the gravimetric or the shrinkage techniques, are difficult, complex and time consuming methods. Using laser scan detector, new instruments have been recently developed which allow the extrudate swell behaviour of rubber compounds to be analysed in a quick and reliable manner. This paper discusses the requirements for suitable analysis of the extrudate swell of rubber compounds. Due to the specific elastic response of rubbers, these requirements differ from those for thermoplastics. Recent results obtained using typical industrial formulations, such as natural rubber/polybutadiene blends, are presented and their practical significance is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01517477
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of curatives and antidegradants on flow properties of uncured rubber compounds (1981)
    Springer
    Rheologica acta 20 (1981), S. 98-103 
    Details
    ISSN: 1435-1528
    Keywords: Viscosity ; extrudate swell (die swell) ; rubber ; curative ; antidegradant
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Summary Using new processability testing techniques, the effects of curatives and antidegradants on flow properties of uncured rubber compounds have been studied. Results obtained show that a change of the cure system or the antidegradant type can affect the viscosity curve and the extrudate swell behaviour of NR and SBR compounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01517478
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Diminished dietary thermogenesis in exercise-trained human subjects (1983)
    Springer
    European journal of applied physiology 52 (1983), S. 1-4 
    Details
    ISSN: 1439-6327
    Keywords: Thermogenesis ; Exercise-training ; Runners
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The influence of exercise-training on dietary-induced thermogenesis (DIT) was investigated in humans. The resting metabolic rate was identical in trained and non-trained subjects, but the response to a meal containing 1,636 kcal (6.9 MJ) was markedly lower in trained subjects. Mean dorsal skin temperature, as measured by thermography, was not influenced by training. A significant correlation was observed between postprandial RQ and DIT, which indicates that the reduced energy expenditure noted in trained subjects is related to a greater lipid oxidation. This sparing effect of exercise-training on energy utilization in the form of carbohydrate, is interpreted as adaptive in the sense that energy is preserved for the purpose of producing work.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00429016
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The influence of high carbohydrate diet on plasma glucose and insulin of trained subjects (1983)
    Springer
    European journal of applied physiology 50 (1983), S. 155-160 
    Details
    ISSN: 1439-6327
    Keywords: Carbohydrate loading ; Exercise ; Long distance running ; Insulin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In previous studies we have shown that when endurance athletes refrain from daily exercise for three days, they rapidly loose their enhanced insulin sensitivity. This finding suggests that a precompetitive highrbohydrate diet with reduced training might alter plasma glucose and insulin regulation. To test this hypothesis, six long distance runners were recruted to participate in a five-day experiment. During the first two days, the subjects fasted while running 16 km d−1. Thereafter, they consumed 16.3 MJ (3900 kcal) and 539 g carbohydrate per day for three days while remaining inactive. Before and after each portion of this experiment, an intravenous glucose tolerance test (IVGTT) was performed in fasting state. As expected, fasting with exercise induced a considerable deterioration of glucose tolerance, as reflected by lower K value and higher total area glucose during IVGTT. The high carbohydrate refeeding restored glucose tolerance to a level comparable to that observed when subjects maintain their usual life habits. However, while a decrease in insulin sensitivity is observed in subjects inactive for three days, the insulin sparing effect of exercise training is retained if this period of inactivity is preceeded by two days of fast accompanied by exercise. These results show that glucose disposal and insulin response to glucose injection are not adversely modified by the precompetitive “glycogen loadingℝ procedure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00422154
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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