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  • Wiley-Blackwell  (2)
  • American Institute of Physics (AIP)  (1)
  • Blackwell Publishing Ltd
  • Institute of Physics (IOP)
  • MDPI Publishing
  • 1990-1994  (3)
  • 1992  (2)
  • 1991  (1)
Collection
Keywords
Publisher
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  • 1990-1994  (3)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Simple cooled CCD camera for beam diagnostics (1991)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 62 (1991), S. 2723-2728 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A simple system for beam positioning and spatial distribution diagnostics based on a cooled charge coupled device (CCD) camera, scintillation screen, and optics has been developed. Standard methods of recording beam profiles are different for low and high intensity beams, which complicates readout techniques. The main advantage of our system is its adaptability for intensity range 103–1012 particles/cm2/pulse. The system was tested at the Dubna synchrophasotron complex. Protons and nuclei beam profile and position monitoring in mentioned intensity range and energy range of 10 MeV to 10 GeV was provided. A CCD camera is used in wavelengths interval 400–1100 nm. The hardware, software, and cryogenics of this system are described. Effects of fixed pattern noise and dependence of nonuniformity of response on wavelength are shown and some results of beam diagnostic are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1142522
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  • 2
    Electronic Resource
    Electronic Resource
    Epoxidation of propene by microbial cells immobilized on inorhanic supports (1992)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 39 (1992), S. 522-528 
    Details
    ISSN: 0006-3592
    Keywords: inorganic supports ; gas-utilizing micro-organisms ; adsorption ; double immobuilization ; propene epoxidation ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Immobilization of gas-utilizing microorganism strains (Mycobacteria, Rhodococcus, methane-utilizers) on inorganic supports based on alumina, silicates, and carbon was carried out to develop heterogeneous biocatalysts for the biotechnologic processes, including the process of propene epoxidation. Adsorption ability of these microorganisms, biocatalytic properties of resting and immobilized bacterial cells, and effect of immobilization tehniques on biocatalysis were studied. An approach of double immobilization using inorganic materials (supports and gel) was proposed as simple, universal, and available methopd to immobilize bacterial cells, resulting in a higher retention (up to 100%) of cells' enzymatic activity and enhanced stability.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260390507
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  • 3
    Electronic Resource
    Electronic Resource
    On the quantum properties of adsorbed particles within the model of a hydrogen atom near a hard wall (1992)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 42 (1992), S. 321-337 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A hydrogen molecule near a hard wall was considered within the Heiteler-London method using the atomic orbits in the presence of the wall. Rapidly converging expansions of the atomic wave functions were proposed. The asymptotics were obtained and studied. The atomic dipole moment induced by the surface gave rise to a long-range interatomic interaction. The covalent bond length increased near the wall. Depending on the orientation relative to the wall, the potential well can vanish. It is interpreted as an interaction between the atomic dipole moments. An approximation of the interatomic potential was proposed.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560420206
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