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  • 1
    Electronic Resource
    Electronic Resource
    Voronoi network model of ZnO varistors with different types of grain boundaries (1996)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 80 (1996), S. 6516-6522 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Electrical transport in zinc oxide varistors is simulated using two-dimensional Voronoi networks. The networks are assumed to contain randomly distributed grain boundaries of three electrical types: (1) high nonlinearity (i.e., "good'') junctions; (2) poor nonlinearity (i.e., "bad'') junctions; and (3) linear with low-resistivity (i.e., ohmic) junctions. These type classifications are those found in experimental measurements. By varying the type concentrations, the simulated current density versus electric field (J–E) characteristics can be made to conform to the different experimentally observed characteristics of ZnO varistors. These characteristics include the sharpness of switching at the transition between ohmic and nonlinear J–E response (i.e., knee region), as well as the degree of nonlinearity. It is shown that the reduction of the nonlinearity coefficient of bulk varistors, relative to that of isolated grain boundaries, can be explained only by the presence of "bad'' varistor junctions. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.363645
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  • 2
    Electronic Resource
    Electronic Resource
    A histopathological study of secondary syphilis (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the European Academy of Dermatology and Venereology 7 (1996), S. 0 
    Details
    ISSN: 1468-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objectives To study the histology of the skin lesions of secondary syphilis.Background Secondary syphilis is becoming less prevalent in developed countries and clinicians not familiar with the condition may resort to biopsy to elucidate the nature of a rash. It is therefore important that Dermatopathologists are aware of the histological features of secondary syphilis.Design Patients with secondary syphilis, who attended clinics held by one of us during a 10 year period and who consented to biopsy, were studied.Subjects Twenty-eight individuals.Methods Skin biopsies of representative lesions. Routine histological processing.Results The most common finding was that of an erythema multiforme pattern of papillary oedema and perivascular lympho-histiocytic infiltration (19 cases including the 2 men with HIV infection). The tissue reaction was mild in patients with macular lesions. Focal lichenoid tissue reaction (4 cases), a pseudolymphomatous appearance (1 case), and granuloma formation (3 cases) were noted in other patients. The histology of a condyloma latum was typical.Conclusions Our study serves to emphasise the importance of clinicopathological correlation in the assessment of a skin rash and to remind pathologists of secondary syphilis as an aetiological factor in macular and papular skin lesions. The mimicry of several other conditions confounds the specificity of the changes and shows that syphilis is a theoretical candidate in considering the aetiology of the changes seen. Careful scrutiny of all the histopathological features may permit a relatively refined differential diagnosis to be established and, either prospectively or retrospectively, alert the clinician to the appropriate additional investigative techniques which will allow a sound diagnosis to be attained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-3083.1996.tb00576.x
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  • 3
    Electronic Resource
    Electronic Resource
    Pressure drop, gas holdup, and interfacial area for gas-liquid contact in Karr columns (1986)
    s.l. : American Chemical Society
    Industrial and engineering chemistry 25 (1986), S. 660-664 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/i200034a011
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  • 4
    Electronic Resource
    Electronic Resource
    Current Industrial News - Siberian Iron Ore (1916)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 8 (1916), S. 1164-1164 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/i500012a609
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  • 5
    Electronic Resource
    Electronic Resource
    CURRENT INDUSTRIAL NEWS: Estimation of Tin in Low-Grade Stuff (1917)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 9 (1917), S. 1143-1143 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50096a029
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  • 6
    Electronic Resource
    Electronic Resource
    Current Industrial News. Coconut Industry (1917)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 9 (1917), S. 1143-1143 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50096a600
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  • 7
    Electronic Resource
    Electronic Resource
    Current Industrial News. Starch Substitutes in Germany. (1917)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 9 (1917), S. 1143-1143 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50096a601
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  • 8
    Electronic Resource
    Electronic Resource
    Current Industrial News. Saltpeter production in India. (1917)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 9 (1917), S. 1143-1143 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50096a602
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  • 9
    Electronic Resource
    Electronic Resource
    Current Industrial News. Ceramics (1917)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 9 (1917), S. 1144-1144 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50096a603
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  • 10
    Electronic Resource
    Electronic Resource
    Current Industrial News. British Board of Trade (1917)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 9 (1917), S. 1144-1144 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50096a604
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