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  • 1
    Electronic Resource
    Electronic Resource
    Exposure to non-asbestos refractory materials: Corrections of fiber counts for comparable risk assessment (1990)
    Springer
    Bulletin of environmental contamination and toxicology 45 (1990), S. 783-788 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01701072
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  • 2
    Electronic Resource
    Electronic Resource
    Exposure to non-asbestos refractory materials: Morphological changes of airborne particulate following attrition and recrystalization (1990)
    Springer
    Bulletin of environmental contamination and toxicology 45 (1990), S. 789-795 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01701073
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  • 3
    Electronic Resource
    Electronic Resource
    Comparative analysis of emissions and diffusion of air PAHs at a coastal arid site (Patagonia, Argentina) (1993)
    Springer
    Bulletin of environmental contamination and toxicology 50 (1993), S. 333-339 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00197191
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  • 4
    Electronic Resource
    Electronic Resource
    Urinary fluoride: Dependence on pH, creatinine excretion, and occupational exposure (1989)
    Springer
    Bulletin of environmental contamination and toxicology 42 (1989), S. 905-910 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01701634
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  • 5
    Electronic Resource
    Electronic Resource
    Chemical and biological indicators of fluoride input in the marine environment near an industrial source (Argentina) (1983)
    Springer
    Archives of environmental contamination and toxicology 12 (1983), S. 589-602 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Changes in fluoride concentrations in neritic waters near an aluminum smelter in southern Argentina are attributable to fluoride emissions from industrial operations. Winds from the source vary in importance as pollutant carriers depending on the timing of precipitation events which wet the soil and diminish its erodability. Emissions account for 2 to 6% of the variance of fluoride levels in nearby waters. Some structural changes in the diatom community were detected during these studies, and they were correlated in various ways with fluoride levels. The pattern of these correlations do not support the hypothesis that fluoride changes of the magnitude observed have an effect upon these organisms, but rather than diatoms and fluroide adsorbed on small particles are transported along similar turbulent regimes within neritic waters. The added input of fluoride to the marine environment will probably not alter the balance of this chemical in nearby waters, and the magnitude of the changes observed has not produced changes in the observed planktonic organisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01056556
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  • 6
    Electronic Resource
    Electronic Resource
    Characterization of cDNA clones of the family of trypsin/α-amylase inhibitors (CM-proteins) in barley (Hordeum vulgare L.) (1986)
    Springer
    Theoretical and applied genetics 71 (1986), S. 842-846 
    Details
    ISSN: 1432-2242
    Keywords: Barley endosperm ; Trypsin/α-amylase inhibitors ; CM-proteins ; cDNA clones
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Recombinants encoding members of the trypsin/α-amylase inhibitors family (also designated CM-proteins) were selected from a cDNA library prepared from developing barley endosperm. Inserts in two of the clones, pUP-13 and pUP-38, were sequenced and found to encode proteins which clearly belong to this family, as judged from the extensive homology of the deduced sequences with that of the barley trypsin inhibitor CMe, the only member of the group for which a complete amino acid sequence has been obtained by direct protein sequencing. These results, together with previously obtained N-terminal sequences of purified CM-proteins, imply that there are at least six different members of this dispersed gene family in barley. The relationship of this protein family to the B-3 hordein and to reserve prolamins from related species is discussed in terms of their genome structure and evolution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00276427
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  • 7
    Electronic Resource
    Electronic Resource
    Genotoxicity at Low Level Dose of Inspirable Urban Ambient Air Particulate in a Semiarid Regime (2000)
    Springer
    Environmental monitoring and assessment 63 (2000), S. 388-407 
    Details
    ISSN: 1573-2959
    Keywords: air particulate ; cancer epidemiology ; carcinogenicity ; conceptual model ; genotoxicity ; mutagenicity ; PAH ; risk assessment ; urban air
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Samples of inspirable air particulate(inhalable + ingestable) were obtained at two urbanlocations in southern Argentina which differ in theirexposure to pollution by class B2 polynuclear aromatichydrocarbons (PAHs). Sample extracts were tested in vitro for induction of chromosomal aberrations incultured rat hepatocytes. The average induced amountof chromosomal aberrations did not vary amonggeographic locations, but significant differences wereidentified in samples near known emitting sources. Thedifferences were analyzed in the frame of a model ofthe emissions and their subsequent distribution andre-suspension from the soil and other surfaces. Theresults show that the rat hepatocyte test is sensitiveto genotoxic activity of the urban air particulate inthe low dose range of the tested fractions. Adequatemodels of human exposure to these materials shouldconsider emissions and re-suspension of pollutants bywind. The implications of these results on theformulation of policies of emission reduction, urbansoil management and the design of cancer epidemiologystudies are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006202307463
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  • 8
    Electronic Resource
    Electronic Resource
    Dynamic measurement of the J integral in ductile metals: Comparison of experimental and numerical techniques (1990)
    Springer
    International journal of fracture 42 (1990), S. 209-230 
    Details
    ISSN: 1573-2673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Experiments and analyses designed to develop an extension of the method of caustics to applications in dynamic, elastic-plastic fracture mechanics are described. A relation between the caustic diameter, D, and the value of the J integral was obtained experimentally and numerically for a particular statically loaded specimen geometry (three point bend) and material (4340 steel). Specimens of the same geometry and material were then loaded dynamically in impact. The resulting caustics, recorded using high speed photography, were analyzed on the basis of the J versus D relation to determine the time history of the dynamic value of J, J d (t). The history of J d thus obtained is compared with good agreement to an independent determination of J d (t) based on a two-dimensional, dynamic, elastic-plastic finite element analysis, which used the experimentally measured loads as traction boundary conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00013214
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  • 9
    Electronic Resource
    Electronic Resource
    The screw dislocation problem in incompressible finite elastostatics: a discussion of nonlinear effects (1988)
    Springer
    Journal of elasticity 20 (1988), S. 3-40 
    Details
    ISSN: 1573-2681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The jump conditions arising in the formulation of dislocation problems in finite elastostatics are discussed and a full field solution of the anti-plane shear type is given for the screw dislocation problem. The solution is valid for the most general homogeneous isotropic incompressible nonlinear elastic solid. The level of nonlinearity is defined for this solution and compared to "dislocation core" estimates in materials science.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00042138
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  • 10
    Electronic Resource
    Electronic Resource
    On the method of caustics: An exact analysis based on geometrical optics (1985)
    Springer
    Journal of elasticity 15 (1985), S. 347-367 
    Details
    ISSN: 1573-2681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The method of caustics, as developed and applied to fracture mechanics over the last twenty years, contains several approximations which limit its applicability. In this paper the development of caustics is reviewed and the implicit assumptions made in the past are clarified and discussed. The exact equations are derived for caustics formed by the reflection of light from a general surface. In addition, the conditions for the formation of a caustic curve are derived and explained in detail. Numerically generated shadow spots are given for the case of light reflected from a surface deformed due to the presence of a plane stress, mode-I, elastic crack. Attention is focused on the near tip region where severe deformation gradients violate the assumptions made by previous approximate analyses. The results demonstrate significant deviation from the approximate analyses resulting in errors as large as 15% in the determination of the stress intensity factor from shadow spot measurements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00042528
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