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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Environmental science & technology 22 (1988), S. 205-211 
    ISSN: 1520-5851
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Mathematical finance 15 (2005), S. 0 
    ISSN: 1467-9965
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mathematics , Economics
    Notes: This paper pursues the role of Laguerre series in the explicit valuation of contingent claims in general and Asian options in particular. Motivated by Dufresne (2000), we study how they permit one to reduce these questions to computing moments. Two alternative such Laguerre reduction approaches are proposed and analyzed. Sufficient conditions for their validity are developed as a further novel feature; these are in terms of local growth measures for the payoff functions and the densities that the paper introduces for this purpose. Our methods are exemplified by considering the benchmark valuation of Asian options. Our explicit formulas for the negative moments of the integral of geometric Brownian motion in terms of theta functions are instrumental here. They have been derived in Schröder (2003c) building on work of Dufresne (2000), and this paper now finally develops their pertinent computational aspects.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of automated reasoning 20 (1998), S. 81-105 
    ISSN: 1573-0670
    Keywords: model-based diagnosis ; strategy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract The ability to select suitable diagnostic assumptions and models extends the power of model-based diagnosis for complex systems and can explicitly be modeled by diagnostic strategies. We discuss a framework that allows one to express these strategies as formulas of a meta-language and present a method for designing strategy knowledge bases as well as an efficient straightforward operational semantics for exploiting them.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Environmental and resource economics 1 (1991), S. 289-312 
    ISSN: 1573-1502
    Keywords: Applied general equilibrium model (AGE) ; CO2 emission ; consumer behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract Since it is believed that CO2 is responsible for 55% of the greenhouse effect, a CO2 levy is now under consideration in several countries. For an assessment of the macroeconomic implications of an integrated energy and environmental policy we employ an applied general equilibrium model (AGE) since all sectors of an economy and all private households contribute to CO2 emission. Our model is a temporary equilibrium model with capacity extension under adjustment costs and with abatement activities for SO2 and NOx emissions. The model of consumer behavior will result in a system of consumer demand functions for non-durables as well as for durable goods. The simulations show the cost of inefficiency in resource allocation if CO2 taxes differ between industries and households. We finally present the marginal cost curve of CO2 emission reduction.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Analytical pyrolysis-atmospberic pressure ionization (Py-API) tandem mass Spectrometry was used in the structure elucidation of the oxidalive and non-oxidative thermal decomposition products of cyclotetramethylenetetranitramine (HMX). The [15NO2]-, [15N8]- and [2H8]-HMX isotope preparations provided fundamental information in the determination of the identities of the various pyrolyzate species. All RDX pyrolysis product ions that were identified by Py-API tandem mass Spectrometry, i.e. m/z 44, 60, 74, 75, 85 and 98, were present in the pyrolyzate of HMX. In both RDX and HMX investigations, these ions provided identical mass spectral daughter ion analyses. HMX, however, provided additional ions at m/z 30, 58, 69, 71, 83 and 141. Of all thirteen ions identified in the Py-APJ mass spectrum of HMX, only that at m/z 75 contained a nitrogen atom that originated from the NO2 group. Standards analysis confirmed the identities of the ions at m/z 69, 71 and 141 as methyleneaminoacetonitrile, methylaminoacetonitrile and the caged compound hoxamethylenetetraamine, respectively. Isotopic analyses provided a high degree of confidence on the structural assignments of the ions at m/z 30 and 58 as methyleneimine and methyleneformamide; the ion at m/z 83, however, appeared to be a heterocyclic compound with daughter ion mass spectral elements similar to but not identical with that of 1-methylimidazole and 3-methylpyrazole.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Pyrolysis-atmospheric pressure chemical ionization was used to study the thermal decomposition of the energetic material cyclotrimethylenetrinitramine (RDX) and characterization of the individual molecular ion products was accomplished by tandem mass spectrometry. The analysis was aided with pyrolysis mass spectra of the (15N)- and perdeuterated RDX isotopes, and molecular formulae were derived for the m/z 46, 60, 74, 75, 85 and 98 molecular ions in the RDX pyrolysis mass spectrum. Equivalent fragments between the daughter ion mass spectra of the unlabeled and labeled RDX were determined in order to define a structure for each pyrolysis feature. Daughter ion mass spectra of pure reference compounds confirmed the identity of five of the six molecular ions. Perdeuterated RDX analyses provided evidence that m/z 74 and 75 are N,N-dimethylformamide and N-nitrosodimethylamine, respectively; m/z 46, 60 and 85 were identified as the protonated forms of formamide, N-methylformamide and dimethylaminoacetonitrile, respectively.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The oxidative pyrolysis-atmospheric-pressure chemical ionization tandem mass Spectrometry (Py-APCI MS/MS) of Cyclotrimethylenetrinitramine (RDX) was investigated under various sample introduction conditions. Subambient (0.97 atm) as opposed to ambient (0.98 atm) pressure (1 atm = 101325 kPa) facilitated the appearance of new pyrolysis mass spectral ions, including m/z 44. Deuterated decomposition products from [2H]RDX contained amide groups and, depending on the ion source pressure, significant differences in the degree of proton-deuterium exchange occurred on the amide groups. The D2O Py-APCI MS/MS method also confirmed and extended the analogous H2O APCI information from RDX, [2H]RDX and pure standards. The m/z 44 decompositon species was identified as protonated dimethylimine, [H3CN=CH2]+ as opposed to its primary amine isomer, [H3CC(H)=NH]H+, which contains an acidic proton. It was determined that m/z 60 is due to protonated N-methylformamide and acetaldoxime, [H3CC(H)=NOH]H+.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1616-7228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary Hydrographic data of the near-surface layer (0 to 200 m) are presented, which were measured in a small area within the Bransfield Strait during December 1980 by RV “Meteor” as part of cruise No. 56. Profiles and two vertical sections show a sharp salinity front (ΔS≈0.3), in a Northeast direction, extending down to a maximum depth of 120 m. From Θ-S-diagrams two main water masses are obtained. Cold and saline water of the Weddellsea coming from the South, and warmer, less saline water of the Bransfield Strait in the northern part of the front. Comparisons with historical hydrographic stations suggests that this front is a continuous phenomenon, which may be possible the origin of the Weddell-Scotia-Confluence extending out of this area as far as 30°E.
    Abstract: Résumé Les données hydrologiques de la couche superficielle (0 à 200 m) sont présentées, elles ont été relevées dans une petite zone du détroit de Bransfield, en décembre 1980 par le «Meteor» au cours de la mission no 56. Le dépouillement des profils et deux sections verticales montrent un front accentué de salinité (ΔS≈0,3) dans la direction Nord-Est atteignant une profondeur maximum de 120 m. Deux masses d'eau principales sont présentées à l'aide due diagramme Θ S: l'eau froide et salée de la mer de Weddell venant du Sud, et l'eau plus chaude et moins salée du détroit de Bransfield dans la partie septentrionale du front. Des comparaisons avec des données hydrologiques historiques suggèrent que ce front est un phénomène permanent qui peut être à l'origine de la confluence des mers de Weddell et de Scotia, laquelle s'étend de cette zone jusqu'à 30° Est.
    Notes: Zusammenfassung Die hier vorgestellten hydrographischen Daten aus der oberflächennahen Schicht (0 bis 200 m) wurden während der „Meteor”-Reise 56 am 10./11. Dezember 1980 innerhalb eines kleinen Gebietes in der Bransfield-Straße gemessen. Die Auswertung der Profile sowie zweier Vertikalschnitte zeigt eine scharfe Salzgehaltsfront (ΔS≈0,3), die in nordöstlicher Richtung verläuft und eine maximale Tiefe von 120 m erreicht. Die Θ-S-Kurven der Stationen zeigen das Zusammentreffen von kaltem, salzreichem Weddellmeer-Wasser aus dem Süden mit wärmerem, salzarmem Mischwasser der Bransfield-Straße im nördlichen Teil der Front. Vergleiche mit historischen Daten deuten an, daß es sich bei dieser Front um eine dauernde Erscheinung dieses Seegebietes handelt und sie deshalb ein möglicher Ursprung der Weddell-Scotia-Konfluenzzone ist, die sich aus dieser Region bis etwa 30° Ost erstreckt.
    Type of Medium: Electronic Resource
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  • 10
    Publication Date: 1993-10-11
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
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