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  • 1990-1994  (8)
  • 1990  (8)
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Material
Years
  • 1990-1994  (8)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Determination of Nonconjugated and Conjugated Steroid Levels in Plasma and Prostate after Separation on C-18 Columns (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 595 (1990), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1990.tb34299.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Nonpolar Pregnenolone Metabolites Are Transported in Lipoprotein Fractions in Human Serum (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 595 (1990), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1990.tb34328.x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Noncontacting microstrip monitor for liquid film thickness (1990)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 61 (1990), S. 2462-2465 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A UHF/microwave technique that measures the wave propagation velocity along a modified microstrip line to determine the thickness of an adjacent film of water (up to about 1 mm) on a metallic surface is described. The technique may be extendable to the measurement of the thickness of coatings on both metallic and nonmetallic surfaces.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1141340
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    TEM characterization of structural changes in graphite plates due to pulsed CO2 laser irradiation (1990)
    Springer
    Journal of materials science 9 (1990), S. 1071-1074 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00727879
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Preparation of metal supported montmorillonite catalyst: A new approach (1990)
    Springer
    Catalysis letters 6 (1990), S. 401-407 
    Details
    ISSN: 1572-879X
    Keywords: Catalyst ; montmorillonite ; clays ; copper metal ; polyol process
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A new approach for the preparation of metal supported montmorillonite catalyst is reported here for the first time. The polyol process in which ethylene glycol is used as reducing agent was employed for the preparation of uniformly distributed copper metal particles on and within the montmorillonite matrix. A hydroxy copper acetate intercalated form of montmorillonite was refluxed at 195 °C with liquid ethylene glycol for 6 h. The reduction of copper acetate to copper metal was apparent from the red color of the reduced product. An X-ray powder diffraction pattern showed the deposition of copper metal on the external surface of montmorillonite and scanning electron micrographs exhibited uniformly distributed spherical copper metal particles of about 0.5 μm size. This process may also be extended for the preparation of other fine metal particles supported on montmorillonite catalysts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00764008
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Conjunction-type standard ML polymorphism (1990)
    Springer
    Higher-order and symbolic computation 3 (1990), S. 381-409 
    Details
    ISSN: 1573-0557
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract It has been long argued that the well known Milner type inference system implemented in the programming language Standard ML is inadequate [4]. The arguments were presented on the basis of intersection-type inference systems [3]. However no algorithm has been developed. The intersection-type inference systems are closed underβ-equality [1] and has been proved undecidable [7]. The paper presents a new type inference system using conjunction-types which extends the notion of intersection-types. The algorithm presented in the author's previous paper [9] is easily adoptable into the Standard ML. In this paper we shall discuss the features of the system and its semantic soundness. Unlike the intersection-type inference systems, the conjunction-type inference system is: 1. decidable 2. semantically sound for all types 3. semantically sound and complete for basic types.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01807698
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Sex hormone profiles in pedophilic and incestuous men (1990)
    Springer
    Sexual abuse 3 (1990), S. 59-74 
    Details
    ISSN: 1573-286X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract Eighty-eight pedophiles, 45 incest offenders, and 44 community controls with no history of sexual or violent crime were compared on eight hormones: androstenedione, cortisol, estradiol, follicle stimulating hormone (FSH), dehydroepiandrosterone sulphate (DHEA-S), luteinizing hormone (LH), prolactin, and testosterone, and on sex hormone binding globulin (SHBG). Results showed that sex offenders had elevated levels of four hormones: androstenedione, cortisol, estradiol and prolactin, when they were compared to normal controls, suggesting some stress-related factors. Covarying out the effects of age, education, and drug or alcohol abuse reduced only the between-group difference for estradiol. Contrary to previous findings, few sex offenders (only 2.3% to 11.8%) had either high, or low, serum testosterone levels. Incestuous and pedophilic men also did not differ from community volunteers on FSH and LH as might be expected from earlier reports. The relative value of static baseline hormonal levels in the peripheral blood and the more dynamic "challenge" tests of the endocrine system are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00849721
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Computational enhancement of an unsymmetric block Lanczos algorithm (1990)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 30 (1990), S. 1083-1089 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: An unsymmetric block Lanczos algorithm has been employed for the dynamic analysis of a large system which has arbitrary damping and/or repeated (or closely spaced) eigenvalues. In the algorithm development, the right and left Lanczos vectors are all theoretically biorthogonal to each other. However, these vectors may lose the biorthogonality owing to cancellation and roundoff errors. For the unsymmetric case there can be a breakdown, even without numerical errors. This paper describes computational techniques which have led to a robust unsymmetric block Lanczos algorithm.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620300509
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    Paper (German National Licenses)
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