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  • 2005-2009  (231)
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  • 1
    Monograph available for loan
    Monograph available for loan
    Oxford [u.a.] : Blackwell
    Call number: PIK N 613-14-0243
    Description / Table of Contents: Contents: 1. Introduction. 2. Development and Phenology. How Crops Fit Their Environment: Concepts and Case Histories. 3. Interception of Solar Radiation by the Canopy. 4. Photosynthesis and Photorespiration. 5. The Loss of CO2: Respiration. 6. The Partitioning of Dry Matter to Harvested Organs. 7. Limiting Factors and the Achievement of High Yield. 8. Physiology of Crop Quality. 9. The Simulation Modelling of Crops. 10. The Future for Crop Physiology.
    Type of Medium: Monograph available for loan
    Pages: XIII, 314 S. : Ill., graph. Darst.
    Edition: 2. ed.
    ISBN: 9781405108591 , 1-4051-0859-2
    Branch Library: PIK Library
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  • 2
    Unknown
    Amsterdam : Elsevier
    Pages: Online-Ressource (1557-2440, I-1-I-34 Seiten)
    ISBN: 9780444824356
    Language: English
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  • 3
    Publication Date: 2006-08-14
    Description: A new method is developed for approximating the scattering of linear surface gravity waves on water of varying quiescent depth in two dimensions. A conformal mapping of the fluid domain onto a uniform rectangular strip transforms steep and discontinuous bed profiles into relatively slowly varying, smooth functions in the transformed free-surface condition. By analogy with the mild-slope approach used extensively in unmapped domains, an approximate solution of the transformed problem is sought in the form of a modulated propagating wave which is determined by solving a second-order ordinary differential equation. This can be achieved numerically, but an analytic solution in the form of a rapidly convergent infinite series is also derived and provides simple explicit formulae for the scattered wave amplitudes. Small-amplitude and slow variations in the bedform that are excluded from the mapping procedure are incorporated in the approximation by a straightforward extension of the theory. The error incurred in using the method is established by means of a rigorous numerical investigation and it is found that remarkably accurate estimates of the scattered wave amplitudes are given for a wide range of bedforms and frequencies. © 2006 Cambridge University Press.
    Print ISSN: 0022-1120
    Electronic ISSN: 1469-7645
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
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  • 4
    Electronic Resource
    Electronic Resource
    Berlin, Germany : Blackwell Verlag GmbH
    Plant breeding 124 (2005), S. 0 
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The Russian wheat aphid (RWA), is a serious threat to wheat production worldwide. The identification of a new RWA biotype in the USA virulent to all commercially grown winter wheats poses new challenges to wheat breeders. Wheat germplasm was evaluated to identify accessions resistant to the new virulent RWA isolate (biotype 2). Eleven biotype 1-resistant wheats and one susceptible check were challenged with RWA biotype 2. Two resistant wheat entries were identified (one highly resistant and one moderately resistant). This information is useful to wheat breeders searching for sources of resistance to the new RWA biotype to incorporate into their breeding programmes.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Haematopoietic stem cells (HSCs) must achieve a balance between quiescence and activation that fulfils immediate demands for haematopoiesis without compromising long-term stem cell maintenance, yet little is known about the molecular events governing this balance. Phosphatase and tensin ...
    Type of Medium: Electronic Resource
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  • 6
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    Unknown
    London: Centre for Microdata Methods and Practice (cemmap)
    Publication Date: 2018-11-19
    Description: This paper provides conditions under which the inequality constraints generated by either single agent optimizing behavior, or by the Nash equilibria of multiple agent problems, can be used as a basis for estimation and inference. We also add to the econometric literature on inference in models defined by inequality constraints by providing a new specification test and methods of inference for the boundaries of the model's identified set. Two applications illustrate how the use of inequality constraints can simplify the problem of obtaining estimators from complex behavioral models of substantial applied interest.
    Keywords: ddc:330 ; Schätztheorie ; Momentenmethode ; Theorie
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: English
    Type: doc-type:workingPaper
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  • 7
    ISSN: 0019-7858
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - To establish how people become managers. Design/methodology/approach - A survey of 50 managers carried out at the end of 2004 by students on the BA in Business and Management course at the University of Westminster. A total of 25 students chose two managers each to interview. Of the managers, 38 were from the UK. Findings - Out of 50 managers surveyed, 47 were specialists before they acquired management responsibilities. Only 12 received management training before becoming managers and that training was not always felt to be effective. The transition from specialist to becoming a manager of specialists was often stressful. Only two people became managers as a direct result of undertaking business studies degree programmes. Research limitations/implications - Specialists often acquire managerial responsibilities, and often quite early in their career. Those aspiring to management have found that their entry route is via a specialist department. Consequently, it is appropriate to see that managers have the right blend of specialist and managerial skills and that they are given help in adjusting to managerial roles. The implications of the specialist route into management needs to be reflected in the structure of increasingly popular undergraduate programmes in business studies. There is a case for such courses having both specialist options and a managerial component. Originality/value - There is little research about how people become managers. It is particularly important that the specialist route identified is understood by those wishing to become managers, by universities and colleges running both business and specialist courses and by employers.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 436 (2005), S. 174-174 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sir Your News story about the Royal Society meeting on climate change and food production (“Hikes in surface ozone could suffocate crops” Nature 435, 7; 2005) noted that rising CO2 levels will generally ...
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature biotechnology 25 (2007), S. 716-717 
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] To the editor: The correspondence by C. Neal Stewart in your March issue (Nat. Biotechnol. 25, 283–284, 2007) discussing the use of biotech to engineer biofuels asserts that transgenic technologies will be pivotal in their development but misses a fundamental and important point: biofuels ...
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] The United States Patent and Trademark Office (USPTO) has, to date, granted 41 patents that claim human embryonic stem (hES) cells in their title and front pages. These include patents on culture methods, differentiated cells derived from hES cells and even hES cells per se. By contrast, the ...
    Type of Medium: Electronic Resource
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