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  • 2005-2009
  • 1965-1969  (8)
  • 1910-1914
  • 1968  (8)
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  • 2005-2009
  • 1965-1969  (8)
  • 1910-1914
Year
  • 1
    Electronic Resource
    Electronic Resource
    Control of Wheat Bulb Fly by Large Area Cropping Restrictions (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 17 (1968), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: An ‘ecological’ method of wheat bulb fly (Leptohylemyia coarctata (Fall.)) control was investigated in 1966/1967. This involved the exclusion of winter wheat and winter rye in 1966 from about 2,000 acres (800 ha) of organic soil in an area usually subject to heavy attacks. In the centre of this experimental area, the mean egg count was reduced from 763,000 per acre (1,885,000/ha) in 1966 to 198,000 per acre (489,000/ha) in 1967 and in the intermediate area from 1,058,000 to 677,000 eggs per acre (2,614,000 to 1,673,000/ha). There was no egg reduction in the fields adjacent to the experimental area. This and the observations on adults suggest that most flies do not travel much over 1/4-1/2 mile (0⋅4–0⋅8 km) from their emergence sites.The examination of wild host grasses in and surrounding a number of fields indicated that they are inefficient hosts and therefore unimportant in the build-up and maintenance of wheat bulb fly populations.Although this method of wheat bulb fly control is feasible, the substitution of spring sown cereals for winter wheat has several disadvantages which are briefly discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1968.tb00436.x
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    Paper (German National Licenses)
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  • 2
    facet.materialart.
    Unknown
    On Poetry in the NAR (1968)
    Boston, Mass., etc. : Periodicals Archive Online (PAO)
    The North American Review. 253:6 (1968:Nov./Dec.) 12 
    Details
    ISSN: 0029-2397
    Topics: English, American Studies , History
    Notes: POETRY
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:3197-1968-253-06-000008
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    Paper (German National Licenses)
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  • 3
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    Unknown
    The Unfeigned Faith and an Eighteenth Century Pantheologia (1968)
    Leyden : Periodicals Archive Online (PAO)
    Numen. 15:3 (1968:Nov.) 208 
    Details
    ISSN: 0029-5973
    Topics: History , Theology and Religious Studies
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:4146-1968-015-03-000003
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  • 4
    Electronic Resource
    Electronic Resource
    A Programme for Christology (1968)
    Cambridge : Cambridge University Press
    Religious studies 3 (1968), S. 513-524 
    Details
    ISSN: 0034-4125
    Source: Cambridge Journals Digital Archives
    Topics: Theology and Religious Studies
    Notes: Christology seems to fall fairly clearly into two divisions. The first is concerned with the truth of the two propositions: ‘Christ is God’ and ‘Christ is a man’. The second is concerned with the mutual compatibility of these propositions. The first part of Christology tends to confine itself to what is sometimes called ‘positive theology’: that is to say, it is largely given over to examining the Jons revelationis—let us not prejudge currently burning issues by asking what this is—to see what evidence can be found for the truth of these propositions. Clearly, the methods used will be above all those of New Testament exegesis. The second part of Christology will necessarily consist entirely of that speculative theology which is contrasted with positive theology. Even if the earliest speculation on this topic is to be found in the New Testament itself and thus becomes fair game for the exegetes, any attempt to relate the primary truths, ‘Christ is God’ and ‘Christ is a man’, to eachother is a work of reflection, and in the terminology I am using speculative.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1017/S0034412500003188
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Brown, W. Norman: Man in the Universe: Some Continuities in Indian Thought : Berkeley and Los Angeles, University of California Press, 1966 (1968)
    Cambridge : Cambridge University Press
    Religious studies 3 (1968), S. 564-565 
    Details
    ISSN: 0034-4125
    Source: Cambridge Journals Digital Archives
    Topics: Theology and Religious Studies
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1017/S0034412500003255
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    The component proportions of energy expended on an industrial task (1968)
    Springer
    European journal of applied physiology 25 (1968), S. 39-45 
    Details
    ISSN: 1439-6327
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The total metabolic cost of shovelling and tramming consists of three components of energy expenditure, namely, the effort of moving the body only, the effort of moving the empty shovel or empty mine car, and the effort of moving a load on the shovel or in the mine car. The relative proportions of these components of energy expenditure were estimated in a study on sixteen Bantu subjects engaged in various rates of shovelling and in tramming a mine car at a pre-determined speed while the cars contained different loads. It was found that the movement of the worker's body during the tasks of shovelling and tramming with a load, accounted for a large proportion of the total energy expended. In both tasks about 50 per cent of the total energy (the metabolic cost of the task, in terms of oxygen consumption) is expended during movement of the operator's body and about 70 to 75 per cent in movement of his body and the shovel or mine car. The “true” energy expenditure required for productive work was found to be relatively small, being 25 to 30 per cent of the total metabolic cost of the task. Evidence was found in the study that in the various tasks the mechanical efficiency of the men (in a physiological sense) varied with body weight and the intensity of work.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00698833
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  • 7
    Electronic Resource
    Electronic Resource
    The problem of “optimum” acclimatisation (1968)
    Springer
    European journal of applied physiology 26 (1968), S. 298-308 
    Details
    ISSN: 1439-6327
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A study was carried out on three groups of 20 male subjects to determine the combination of environmental stress and a standard rate of work of 5 kcal/min that will give the “optimum” level of acclimatisation. Each group was acclimatised at one of three temperature conditions (wet-bulb temperatures of 32.2 °, 33.9 ° and 35.6 ° C) and thereafter tested also under the remaining two conditions. The degree of acclimatisation was judged by the physiological reactions to a standard work rate of 5 kcal/min at the various wet-bulb temperatures. The test at a wet-bulb temperature of 32.2 “C revealed that °optimum” acclimatisation was obtained when men were acclimatised at 33.9 °C W.B. The test at 33.9 °C W.B. illustrated that the physiological reactions of the group acclimatised at 35.6 ° C W.B. were decidedly poor when compared to those of the groups acclimatised at 32.2 ° and 33.9 ° C W.B. The test carried out at 35.6 ° C W.B. showed that, irrespective of the wet-bulb temperature at which the men were acclimatised, their heat tolerance to the test environment was poor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00698306
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  • 8
    Electronic Resource
    Electronic Resource
    The capacity for endurance work in highly trained men (1968)
    Springer
    European journal of applied physiology 26 (1968), S. 141-149 
    Details
    ISSN: 1439-6327
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 23 Bantu male subjects were studied at various levels of work on a bicycle ergometer in order to establish the level of oxygen consumption, as a percentage of their maxima, at which laotate and “excess lactate” started to increase in the blood. Well-trained men can work for short periods of 6 min at 62% of the maximum oxygen intake without increases in blood lactate. For prolonged work of l h the value was 68% of the maximum oxygen intake. It was concluded that with acute work the duration of exercise was too short for a steady state to have been attained by either blood lactate or pyruvate. The effect of high and low ambient temperatures on anaerobic metabolism is discussed. The results are also discussed in context with findings of previous studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00699511
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