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  • 11
    Electronic Resource
    Electronic Resource
    An isotope separator on-line with a 20-MV tandem accelerator
    Amsterdam : Elsevier
    Nuclear Inst. and Methods in Physics Research, B 26 (1987), S. 125-127 
    Details
    ISSN: 0168-583X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-583X(87)90741-5
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  • 12
    Electronic Resource
    Electronic Resource
    Fatal mushroom poisoning in Barcelona, 1986–1988 (1989)
    Springer
    Mycopathologia 108 (1989), S. 207-209 
    Details
    ISSN: 1573-0832
    Keywords: Amanita phalloides ; death ; Lepiota fulvella ; mushroom ; poisoning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract In 1986–88, 46 poisonings (4 of which were fatal) caused by amatoxin mushroom were reported. The fatalities were males aged between 7 and 65 years. They all had gastrointestinal symptoms and three of the patients died of acute hepatic insufficiency. The fourth died as a result of an intestinal perforation. The clinical and pathological alterations are compared with the findings of other authors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00436227
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  • 13
    Electronic Resource
    Electronic Resource
    Avalanche mapping and related G.I.S. applications in the Catalan Pyrenees (1995)
    Springer
    Surveys in geophysics 16 (1995), S. 681-693 
    Details
    ISSN: 1573-0956
    Keywords: Snow avalanche ; natural hazard ; mapping ; aerial photointerpretation ; G.I.S. ; digitizing ; topology ; Pyrenees
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The Avalanche Risk Project for the Catalan Pyrenees was started in 1986 by theServei Geològic de Catalunya and theDpt. de Geologia Dinàmica, Geofísica i Paleontologia. One of the aims of this project is to carry out the “Map of Probable Avalanche Paths”, which is a thematic map in where the land areas affected by avalanches are represented. This information is the result of: 1) aerial photointerpretation, 2) field work: observations of the avalanche effects and interviews to the inhabitants and people who work in the mountain areas. All the descriptive complementary information about each avalanche zone has been stored in a database, thus constituting the avalanche Cadastre. A Geographic Information System (G.I.S.) is an informatic system which can acquire, store and manipulate data that describe the land surface. The Cadastre and Map of Probable Avalanche Paths constitutes a complex document. It is also a basic document to perform further analysis, risk maps and defense actions, so it must have the following characteristics: easy to update, possibility to combine with other documents and to exploit as a source of diverse informations. Therefore, a G.I.S. is the most appropriate tool to store, manage, analyze and restore this avalanche data. The area of the Catalan Pyrenees that has been mapped and automated until now is also presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00665748
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  • 14
    Electronic Resource
    Electronic Resource
    Stem xylem features in three Quercus (Fagaceae) species along a climatic gradient in NE Spain (1997)
    Springer
    Trees 12 (1997), S. 90-96 
    Details
    ISSN: 0931-1890
    Keywords: Key words Huber value ; Mediterranean climate ; Rainfall gradient ; Winter temperature ; Wood anatomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract  Stem xylem features in two evergreen Quercus species (Q. coccifera and Q. ilex) and a deciduous one (Q. faginea) were analysed along an Atlantic-Mediterranean climatic gradient in which rainfall and winter cold experience strong variation. Mean maximum vessel diameter, vessel density, vessel element length, xylem transverse sectional area, Huber value (xylem transverse sectional area per leaf area unit), theoretical leaf specific conductivity (estimated hydraulic conductance per leaf area unit) and total leaf area were determined in 3-year-old branches. Q. faginea presented the widest vessels and the highest theoretical leaf specific conductivity while Q. coccifera showed the lowest total leaf area and the highest Huber value. Studied features did not exhibit significant correlations with mean minimum January temperature in any species but did show significant relationships with rainfall. In Q. coccifera, mean maximum vessel diameter, vessel element length and theoretical leaf specific conductivity increased with higher rainfall while vessel density decreased. Mean maximum vessel diameter and total leaf area in Q. ilex increased with precipitation whereas variables of Q. faginea did not show any significant trend. Results suggest that aridity, rather than minimum winter temperature, controls stem xylem responses in the studied evergreen species. Q. faginea traits did not show any response to precipitation, probably because this species develops deep roots, which in turn makes edaphic and topographic factors more important in the control of soil water availability. In response to aridity Q. coccifera only exhibits adjustment at a xylem level by reducing its water transport capacity through a reduction of vessel diameter without changing the amount of xylem tissue or foliage, whereas Q. ilex adjusts its water transport capacity in parallel to the foliage area.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00009701
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  • 15
    Electronic Resource
    Electronic Resource
    High spin level structure of 63 143 Eu80 (1992)
    Springer
    The European physical journal 343 (1992), S. 367-368 
    Details
    ISSN: 1434-601X
    Keywords: 23.20.Lv ; 25.70.Gh ; 27.60.+j
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The level scheme of 143 Eu has been extended to I=75/2 in an experiment with the NORDBALL Compton-suppressed Ge detector array and the 110 Pd(37 Cl, 4n) reaction. Most of the scheme shows irregular structure of multiparticle excitations. A strongly populated straight cascade of more than 10 stretched E2 transitions suggests the onset of collectivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01291538
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  • 16
    Electronic Resource
    Electronic Resource
    When are Options Overpriced? The Black–Scholes Model and Alternative Characterisations of the Pricing Kernel (1999)
    Springer
    Review of finance 3 (1999), S. 79-102 
    Details
    ISSN: 1573-692X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract An important determinant of option prices is the elasticity of the pricing kernel used to price all claims in the economy. In this paper, we first show that for a given forward price of the underlying asset, option prices are higher when the elasticity of the pricing kernel is declining than when it is constant. We then investigate the implications of the elasticity of the pricing kernel for the stochastic process followed by the underlying asset. Given that the underlying information process follows a geometric Brownian motion, we demonstrate that constant elasticity of the pricing kernel is equivalent to a Brownian motion for the forward price of the underlying asset, so that the Black–Scholes formula correctly prices options on the asset. In contrast, declining elasticity implies that the forward price process is no longer a Brownian motion: it has higher volatility and exhibits autocorrelation. In this case, the Black–Scholes formula underprices all options.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009834122099
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  • 17
    Electronic Resource
    Electronic Resource
    Acknowledgement (1998)
    Springer
    Review of derivatives research 2 (1998), S. 347-347 
    Details
    ISSN: 1573-7144
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01574152
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  • 18
    Electronic Resource
    Electronic Resource
    Shape changes in189Au at high spins (1992)
    Springer
    The European physical journal 344 (1992), S. 231-232 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.−k ; 23.20. Lv ; 27.70.+q
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The level scheme of189Au has been extended to high spins. Decoupled, strongly coupled as well as vibrational bands have been found indicating shape coexistence in this nucleus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01291712
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  • 19
    Electronic Resource
    Electronic Resource
    Isomeric states in180Os (1993)
    Springer
    The European physical journal 344 (1993), S. 417-423 
    Details
    ISSN: 1434-601X
    Keywords: 23.20.Ck ; 23.23.Lv ; 27.70.+q
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Two new isomers have been observed in180Os. A high-K isomer withI, K ≧20 and a half-life ofT 1/2=12+4 ns have been established. It deexcites via two transitions into the 18+ level of the yrare band indicating an unusually smallK-hindrance factor. Evidence for an isomer withI, K〉16 and a half-life ofT 1/2=41±10 ns was found. A half-life of 17±3 ns was measured for the previously known 7− state at 1862 keV. The decay scheme of the previously known 7− isomer at 1928 keV has been extended and a revised version is presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01283197
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  • 20
    Electronic Resource
    Electronic Resource
    Potentiometric titration curves of oxidized and reduced horse heart cytochrome c (1980)
    New York : Wiley-Blackwell
    Biopolymers 19 (1980), S. 885-898 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Potentiometric titration curves of oxidized and reduced horse heart cytochrome c in 0.15M KCl at 20°C have been obtained by timed titration (0.125-0.500 μmol/sec) from the isoionic points (pH 10.2-10.4) to pH 3 and back to the isoionic point. Computer-assisted (PROPHET) data acquisition and blank corrections give curves with good precision with a maximum standard deviation of 0.3 groups for an average error of 1%. The potentiometric titration curve of reduced cytochrome c is reversible within the precision of the method and for the pH range studied. The potentiometric curves for oxidized cytochrome c titrated upscale (pH 3-10) and downscale (pH 10-3) are not reversible. However, they show the same ionization behavior after the initial downscale titration. This is probably the result of a conformational change. Comparison of the data herein reported with the titration curves of oxidized cytochrome c already published by others indicates good agreement on the basis of a normalization of the concentration of protein or on the basis of 25 titrable groups between the acid end point and the isoionic pH.Titration of the 2 μmol imidazole in the upscale or downscale direction gives the correct analytical concentration and pK′ after correction for the solvent titration. Titration of reduced cytochrome c in the presence and absence of an additional equivalent of imidazole gave a difference titration curve, which indicates that a group on the protein shifts from pK′ 5.8 to pK′ 5.3 in the presence of imidazole. The pK′ of imidazole, in the presence of the protein, remains at a nearly normal value of 7.34.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.1980.360190412
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