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  • 1
    Electronic Resource
    Electronic Resource
    Thiol Dependence of Nitric Oxide Synthase (1995)
    s.l. : American Chemical Society
    Biochemistry 34 (1995), S. 13443-13452 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00041a023
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis of Controlled Spherical Zinc Sulfide Particles by Precipitation from Homogeneous Solutions (1998)
    Westerville, Ohio : American Ceramics Society
    Journal of the American Ceramic Society 81 (1998), S. 0 
    Details
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Zinc sulfide (ZnS) powders have been obtained by precipitation from homogeneous solutions of various zinc salt compounds, with S2- as precipitating anion, formed by decomposition of thioacetamide. Spherical particles with a very narrow size distribution can be obtained by controlling the synthesis parameters. The particle sizes are influenced by the nature of the associated anion. For example, nanometer-sized ZnS particles are formed using acetate or acetylacetonate anions under acidic pH conditions, controlled by the addition of acetic acid. Although the nucleation is accelerated by the use of acetic acid, limited particle growth occurs because of the formation of complexes with zinc cations that lowers the concentration of free cations in the solution. Also, the complexing-attachment phenomena of the ZnS particles with acetate and acetylacetonate anions lead to the arrest of particle growth processes. The presence of complexed Zn2+ species in the acidic solution is demonstrated both theoretically, using a model based on the calculations of the solubility isotherms of the soluble species, and by Fourier-transform infrared techniques. The nanostructured ZnS particles may provide a suitable semiconductor nanocluster material for optoelectronic applications as well as a phosphor suitable for application in flat-panel display technology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1151-2916.1998.tb02679.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    European consortium on nanomaterials (1996)
    Weinheim : Wiley-Blackwell
    Advanced Materials 8 (1996), S. 555-557 
    Details
    ISSN: 0935-9648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/adma.19960080702
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Kreiselpumpen und Energierückgewinnungs-Turbinen in der verfahrenstechnischen Hochdrucktechnik (1989)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 61 (1989), S. 141-148 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Centrifugal pumps and energy recovery turbines in high pressure industrial process engineering. Centrifugal pumps have to meet many different requirements in high pressure industrial process engineering. International standards call for minimum requirements and propose solutions for various problems. Nevertheless, options remain for the operator with regard to the choice of the casing, material, and sealing variants, and to the choice of hydraulics to meet such requirements as reliability, safety, service-friendliness, economic efficiency, and investment cost. The following review presents various designs of centrifugal pumps for high pressure industrial process engineering. Furthermore, the installation of high pressure pumps in turbine operation for energy recovery is introduced.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330610209
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    Paper (German National Licenses)
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