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  • 1
    Electronic Resource
    Electronic Resource
    Development of Dieldrin Resistance in Carrot Fly in England (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: Failure to control carrot fly with aldrin and dieldrin was first noticed on carrot crops in East Anglia in 1965, 12 years after these insecticides were first used in England for this purpose. Laboratory tests on adult flies obtained from several sites confirmed that where the expected high level of control was not achieved the carrot fly populations had developed resistance to aldrin, dieldrin and gamma-BHC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1968.tb00450.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    THE RE-TREATMENT OF SOILS WITH DIELDRIN FOR THE CONTROL OF CARROT FLY (1960)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 9 (1960), S. 0 
    Details
    ISSN: 1365-3059
    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.1365-3059.1960.tb01176.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Chemical shift bond derivatives for molecules containing first-row atoms (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Computational Chemistry 12 (1991), S. 546-559 
    Details
    ISSN: 0192-8651
    Keywords: Computational Chemistry and Molecular Modeling ; Biochemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Computer Science
    Notes: The primary and secondary first and second derivatives of the NMR isotropic chemical shift with respect to bond length modification have been calculated in the gauge invariant atomic orbital (GIAO) perturbed Hartree-Fock approach for some 177 first-row nuclei in 63 molecules using the mixed basis heavy:6-311G(d)/hydrogen:4-31. The shift derivative with respect to multiple bond length changes correlates linearly with the shift itself while changes involving single bonds behave differently. Agreement between experimental derivatives and those calculated theoretically is good but the calculations show that second derivatives as well as both types of secondary effects cannot always be neglected. The correlation between the shift derivative and the isotropic shift indicates an exponential variation of the chemical shift with bond length near the vicinity of the equilibrium structure for multiple bonds.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcc.540120504
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    Paper (German National Licenses)
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