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  • Nature Publishing Group  (109)
  • Blackwell Publishing Ltd  (42)
  • American Institute of Physics (AIP)
  • 2005-2009  (61)
  • 1970-1974  (63)
  • 1940-1944  (20)
  • 1930-1934  (7)
Collection
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Amino-acids in Nectar and their Evolutionary Significance (1973)
    [s.l.] : Nature Publishing Group
    Nature 241 (1973), S. 543-545 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This evidence of concern with amino-acid ingestion by adult insects usually thought of as restricted to a liquid diet suggests that nectar itself should be examined as a potential source. Some comprehensive analyses of honey (which contains additives provided by its makers, the honey T)ees), have ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/241543b0
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  • 2
    Electronic Resource
    Electronic Resource
    THE FUTURE OF BEEF PRODUCTION IN THE UNITED KINGDOM (1970)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 25 (1970), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1970.tb00609.x
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  • 3
    Electronic Resource
    Electronic Resource
    Where's the money coming from?—How NRDC can assist industry to develop new technology (1973)
    Oxford, UK : Blackwell Publishing Ltd
    R & D management 4 (1973), S. 0 
    Details
    ISSN: 1467-9310
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-9310.1973.tb01033.x
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  • 4
    Electronic Resource
    Electronic Resource
    Methodology for increasing the adoption of R & D project selection models (1973)
    Oxford, UK : Blackwell Publishing Ltd
    R & D management 4 (1973), S. 0 
    Details
    ISSN: 1467-9310
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Although some studies and experiences have shown that R & D project selection models can be potentially useful decision aids, their adoption and routine use is not widespread. This lack of usage may be a consequence of the lack of attention which model builders have traditionally given to the prevailing adoption attitudes of R & D managers. A design methodology centering around the measurement of adoption attitudes has been developed and used by the authors. The methodology consists of procedures for analyzing the organizational climate relative to project selection model usage, developing an acceptable model form relative to the organizational climate, and inducing the adoption of this model form within the climate. Three case applications of the methodology are described in which negative-to-positive shifts in adoption attitudes occurred and project selection models were adopted for long-term use. These results indicate that the use of this general methodology may lead to increased formal adoption and widespread usage of project selection model forms in R & D.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-9310.1973.tb01037.x
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  • 5
    Electronic Resource
    Electronic Resource
    Principles of Engineering Organisation (1973)
    Oxford, UK : Blackwell Publishing Ltd
    R & D management 4 (1973), S. 0 
    Details
    ISSN: 1467-9310
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-9310.1973.tb01045.x
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  • 6
    Electronic Resource
    Electronic Resource
    Role of Cuticle in Spoilage of Chicken Eggs (1970)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 35 (1970), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: SUMMARY: The role of cuticle (mucoprotein layer on the egg shell) in preventing spoilage of eggs by microorganisms was studied. Eggs collected from the uterus or eggs treated with 5% EDTA solution to remove cuticle spoiled at a much faster rate than the normally laid eggs. The weight of the egg shell and its membranes did not affect the spoilage of eggs collected from the uterus. The protection provided by the cuticle was found to last at least up to 96 hr after the eggs are laid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1970.tb12354.x
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  • 7
    Electronic Resource
    Electronic Resource
    Infection Routes of Bacteria into Chicken Eggs (1970)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 35 (1970), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: SUMMARY: The area most prone to infection and consequent spoilage of eggs was identified. Different areas of the egg were coated with paraffin wax. The waxed eggs were exposed to infection by Pseudomonas aeruginosa and spoilage studied by ultraviolet light candling. The blunt end was found to be most vulnerable followed by the equitorial region and the small end.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1970.tb12368.x
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  • 8
    Electronic Resource
    Electronic Resource
    MEASURING IMPACTS OF WATER RESOURCE DEVELOPMENTS ON THE HUMAN ENVIRONMENT (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 10 (1974), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: The parameters and the measurement procedures described in this paper are seen as being part of the first stage in development of the human environment assessment process. Additional parameters need to be identified, and methods of measuring impacts reflected by the parameters must be developed and refined. Considerations of the human environment and those elements of the natural environment that are of importance to people must be included as an integral part of the environmental impact assessment process. Therefore, there is a need for continuing to identify parameters of the human environment and to develop methods of measuring impacts so that these considerations will become a well-integrated part of the environmental impact assessment process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1974.tb00536.x
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  • 9
    Electronic Resource
    Electronic Resource
    Book Reviews (1974)
    Oxford, UK : Blackwell Publishing Ltd
    R & D management 4 (1974), S. 0 
    Details
    ISSN: 1467-9310
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-9310.1974.tb01065.x
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  • 10
    Electronic Resource
    Electronic Resource
    Improved methods for the measurement of dissolved and particulate organic carbon in fresh water and their application to chalk streams (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Freshwater biology 4 (1974), S. 0 
    Details
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The development and use of an improved automatic system for the accurate measurement of dissolved organic carbon (D.O.C.) in fresh waters is described. The method, which covers the range 0-25 mgl−1 D.O.C., is based on the oxidation of organic carbon to carbon dioxide by U.V. radiation. The carbon dioxide produced is measured by a non dispersive infra-red gas analyser (I.R.G.A.). The I.R.G.A. is also used in the semi-automatic measurement of particulate organic carbon (P.O.C.) by a combustion method which allows very low concentrations to be measured using samples of 200 ml or less.Results of surveys of two river systems indicate that D.O.C. concentrations of less than 2.0 mg l−1 are typical in unpolluted chalk streams. D.O.C. concentrations of streams draining acid heathland were found to be significantly higher (3-5.5 mg l−1).D.O.C. concentration was found to increase rapidly during a spate, in a river draining areas of mixed underlying geology. The throughput of D.O.C. during the twenty-five to fifty spates which occur annually in the river could amount to 20-30% of the annual flux of D.O.C.P.O.C. concentration in chalk spring waters (0.03–0.04 mg l−1) were found to be higher than expected from preliminary estimates using membrane filtration techniques.The relevance of the measurement of D.O.C. and P.O.C. flux to estimates of the energy budgets of stream ecosystems is discussed and published methods for the automatic measurement of D.O.C. are reviewed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2427.1974.tb00109.x
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