Library

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Very low-emittance solar selective surfaces using new film structures (1992)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 72 (1992), S. 3013-3021 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: New cermet film structures suitable for selective solar absorbers, composed of two cermet sublayers with identical metal volume fractions in each sublayer, on metal reflectors with an antireflection dielectric layer coating are described. The absorbing cermet sublayers have thickness and volume fractions such that solar radiation is absorbed internally and by phase cancellation interference. They are substantially transparent in the thermal infrared region. Modeling of the new cermet layer structures has revealed a number of different selective surfaces, involving a variety of practical cermet materials, with better performance than recent published results. For example, the best predicted ratio of absorptance to normal emittance α/ε at room temperature is 46 for a Cu-SiO2 cermet, 49 for a Cu-Al2O3 cermet and a Au-Al2O3 cermet. The best laboratory results of α/ε at room temperature thus far are 46 for a Cu-SiO2 cermet, and 45 for a Au-Al2O3 cermet. From computer modeling, using published experimental dielectric functions of a Co-Al2O3 cermet, absorptance of 0.93 and normal emittance of 0.026 at 50 °C (α/ε=36) could be obtained for a two-cermet-sublayer film on a Mo reflector with an Al2O3 antireflection layer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.351510
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    New cermet film structures with much improved selectivity for solar thermal applications (1992)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 60 (1992), S. 545-547 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A new cermet film structure of solar thermal absorber is presented. The typical film is similar to that of the single cermet layer case, except the single cermet layer is replaced by two isotropic cermet sublayers. The calculated results have been shown that low- and high-temperature performances using this new selective surface structure are excellent. The value of the ratio of absorptance to normal emittance α/ε, 46, for deposited film has been achieved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.106602
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    A simple, accurate method for determining wet and dry weight concentrations of plant cell suspension cultures using microcentrifuge tubes (1996)
    Springer
    Plant cell reports 15 (1996), S. 634-636 
    Details
    ISSN: 1432-203X
    Keywords: Plant cells ; Fresh weight ; Dry weight ; Microcentrifuge tube
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A simple method using microcentrifuge tubes for determining fresh and dry weights, and collecting cell-free supernatant from plant suspension cultures is described. This method offers improvements in accuracy, precision, and time efficiency over traditional filtration methods. Using 4-day-old Nicotinia tabacum cultures, the centrifuge method was shown to remove 25% more of the interstitial water from cell aggregates compared to a suction filtration method, with significantly less variation in fresh weight data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00232467
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    A simple, accurate method for determining wet and dry weight concentrations of plant cell suspension cultures using microcentrifuge tubes (1996)
    Springer
    Plant cell reports 15 (1996), S. 634-636 
    Details
    ISSN: 1432-203X
    Keywords: Key words: Plant cells – Fresh weight – Dry weight – Microcentrifuge tube
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary. A simple method using microcentrifuge tubes for determining fresh and dry weights, and collecting cell-free supernatant from plant suspension cultures is described. This method offers improvements in accuracy, precision, and time efficiency over traditional filtration methods. Using 4-day-old Nicotinia tabacum cultures, the centrifuge method was shown to remove 25% more of the interstitial water from cell aggregates compared to a suction filtration method, with significantly less variation in fresh weight data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002990050088
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Estimation of mass transport parameters in a column packed with BioSep beads (1998)
    Springer
    Biotechnology techniques 12 (1998), S. 913-918 
    Details
    ISSN: 1573-6784
    Keywords: Packed Column ; Transport ; Bioremediation ; Immobilization Matrix
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract An approach to estimate the parameters needed to describe the performance of a column packed with BioSepTM beads is presented. These parameters, which characterize the transport of materials through the column, have been estimated from experimental residence time distribution (RTD) data using both porous and non-porous beads. A laboratory-scale column was used to obtain the experimental data using several ionic species. © Rapid Science Ltd. 1998
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008821730019
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...