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  • 1
    Online Resource
    Online Resource
    Die Planeten und Ihre Monde. (1966)
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Details
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (196 pages)
    Edition: 1st ed.
    ISBN: 9783642863431
    Series Statement: Verständliche Wissenschaft Series ; v.90
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6671399
    Language: German
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  • 2
    Online Resource
    Online Resource
    Engineering Calculations in Radiative Heat Transfer : International Series on Materials Science and Technology. (1974)
    San Diego :Elsevier Science & Technology,
    Details
    Keywords: Heat -- Radiation and absorption. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (177 pages)
    Edition: 1st ed.
    ISBN: 9781483138152
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1828911
    Language: English
    Note: Front Cover -- Engineering Calculations in Radiative Heat Transfer -- Copyright Page -- Table of Contents -- Nomenclature -- Acknowledgements -- Chapter 1. Basic Principles of Thermal Radiation -- 1.1 Nature of radiation -- 1.2 Absorption, reflection and transmission -- 1.3 Black-body radiation -- 1.4 Stefan-Boltzmann law -- 1.5 Variation of thermal radiation with wavelength-Planck's distribution law -- 1.6 Wierts displacement law -- 1.7 Intensity of radiation -- 1.8 Lambert's law -- 1.9 Inverse square law -- 1.10 Absorptivity of a real surface -- 1.11 Emissivity of a real surface -- 1.12 Grey bodies -- 1.13 Effective black-body (or brightness) temperature -- 1.14 Kirchhoff's law -- 1.15 Black-body enclosure -- 1.16 Data on emmissivities for real surfaces -- 1.17 Solar radiation -- Chapter 2. Direct Radiative Transfer -- 2.1 Simplified situations -- 2.2 View factors and exchange areas -- 2.3 Total energy transfer among black surfaces -- Chapter 3. Total Exchange of Radiation within an Enclosure containing a Non-absorbing Medium -- 3.1 Leaving flux or radiosity -- 3.2 Radiative heat transfer in an empty enclosure -- 3.3 Refractory walls -- 3.4 Enclosure comprising grey and black surfaces -- 3.5 Conduction of heat through furnace walls -- 3.6 Zoning -- 3.7 Network method -- Chapter 4. Radiative Heat Transfer within an Enclosure containing an Absorbing Medium -- 4.1 Emission and absorption of radiation by an absorbing medium -- 4.2 Effect of an absorbing medium on the radiative heat transfer within an enclosure -- 4.3 Exchange areas for absorbing media -- Chapter 5. Radiative Heat Transfer Applications -- 5.1 Furnaces -- 5.2 Solar radiation -- Chapter 6. Measurement of Radiation and Temperature -- 6.1 Measurement of radiation -- 6.2 Temperature measurement -- Appendix 1: Kirchhoff's Law -- Appendix 2: Monte Carlo Method. , A2.1 Selection of a point of emission on a planesurface -- A2.2 Selection of the direction of an emitted beam of radiation -- A2.3 Non-diffuse surface -- A2.4 Variation of emissivity with wavelength -- A2.5 Absorption by a medium -- Appendix 3: Evaluation of Mean Beam Lengths -- Appendix 4: Radiation emitted by a Black Body within Stated Wavelength ranges -- Appendix 5: Emissivities of Atmospheres containing Mixtures of Carbon Dioxide and Water Vapour -- References -- Glossary -- Index.
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  • 3
    Online Resource
    Online Resource
    Important Figures of Analytical Chemistry from Germany in Brief Biographies : From the Middle Ages to the Twentieth Century. (2014)
    Cham :Springer International Publishing AG,
    Details
    Keywords: Chemists -- Biography. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (137 pages)
    Edition: 1st ed.
    ISBN: 9783319121512
    Series Statement: SpringerBriefs in Molecular Science Series
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1968589
    DDC: 540.92
    Language: English
    Note: Intro -- Acknowledgments -- Contents -- 1 Introduction and Overview -- References -- 2 Important Figures in Analytical Chemistry from Germany: From the Middle Ages to the Nineteenth Century -- The Period of Alchemy and Assay Analysis -- The Period of Iatrochemistry and Early Examples of Analyses in Solution -- The Phlogiston Period -- The Demise of Phlogiston and the Rise of Stoichiometry and Quantitation -- The First Analytical Textbooks -- References -- 3 Growth into a Scientific Discipline: The Nineteenth Century -- References -- 4 Development of Instrumental Techniques: The Twentieth Century -- References.
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  • 4
    Online Resource
    Online Resource
    Laser : Verstärkung Durch Induzierte Emission. Sender Optischer Strahlung Hoher Kohärenz und Leistungsdichte. (1969)
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Details
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (582 pages)
    Edition: 1st ed.
    ISBN: 9783642872662
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6709449
    Language: German
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  • 5
    Online Resource
    Online Resource
    Acoustical Imaging. (1984)
    New York, NY :Springer,
    Details
    Keywords: Science. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (589 pages)
    Edition: 1st ed.
    ISBN: 9781461327790
    Series Statement: Acoustical Imaging Series ; v.13
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6571663
    Language: English
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  • 6
    Electronic Resource
    Electronic Resource
    The influence of tube voltage, X-ray exposure rate and thickness of filter material on image quality with dual-energy subtraction imaging in chest diagnostics (1992)
    Springer
    European radiology 2 (1992), S. 258-263 
    Details
    ISSN: 1432-1084
    Keywords: One-shot dual-energy subtraction imaging ; Laser-stimulated luminescence imaging plates ; Energy separation ; Computed radiography ; Chest diagnostics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Digital luminescent radiography enables dual-energy subtraction imaging, because this computed system allows susbtraction of imaging data and image post processing, as for example special windowing or edge enhancement. In a special cassette a copper filter is placed between two imaging plates for energy separation by a single X-ray exposure. Image post-processing with subtraction of imaging data permits the elimination of either skeleton or soft tissue structures. The influence of filter thickness, tube voltage and the X-ray exposure dosage on image quality is examined by the use of an anthropomorphic quality is examined by the use of an anthropomorphic phantom of the chest. According to our initial results dual energy subtraction imaging in one-shot-technique seems to be useful in the diagnostics of skeletal lesions and especially pulmonary nodules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00595841
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Unsharp masking of low-dosed digital luminiscence radiographs: results of a receiver operating characteristics analysis (1996)
    Springer
    European radiology 6 (1996), S. 526-531 
    Details
    ISSN: 1432-1084
    Keywords: Chest diagnostics ; Projection radiography ; High-amplification screen-film systems ; Digital luminiscence radiography ; Filter kernel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The extent to which the diagnostic performance of low-dosed storage phosphors can be improved by suitable image postprocessing was investigated. Storage phosphors radiographs and conventional 200- and 400-speed screen-film combinations of an antropomorphic chest phantom with simulated nodules and linear structures were compared. The detection of test bodies was determined in an ROC analysis based on 16 200 individual observations. The two analog screen-film systems did not differ significantly. As far as the storage phosphor radiographs are concerned, a higher diagnostic performance was achieved with a large filter kernel (S 40), whereas small filter kernels and edge-enhanced imaging modes reduced the detection of detail. The image quality of low-dosed storage phosphors is thus similar to high-amplification screen-film combinations if large filter kernels are used in postprocessing of the image.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00182488
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  • 8
    Electronic Resource
    Electronic Resource
    Über die Adsorption von Gasen an Bleichloridkugeln (1937)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 232 (1937), S. 133-154 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Mit der Meßvorrichtung einer Adsorptionsapparatur, die sich vollständig in einem Thermostaten befindet und vollkommen von der Atmosphäre abgeschlossen wird, werden p v/p-Kurven aufgenommen und mit ihrer Hilfe die Versuchsführung so ausgebaut, daß die adsorbierten Gasmengen bei jeder Versuchstemperatur ohne Verwendung eines Gasgesetzes bestimmt werden können.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19372320204
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  • 9
    Electronic Resource
    Electronic Resource
    Ein alternativer Weg zur Darstellung von Bi2Sr2CaCu2Ox, YBa2Cu3O7-δ, und YBa2Cu3-xMxO7-δ (M = Ni, Ag und x ≤ 33 Mol%)Professor Rudolf Hoppe zum 70. Geburtstage gewidmet (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 616 (1992), S. 186-190 
    Details
    ISSN: 0044-2313
    Keywords: Preparation of quaternary copper oxides ; high Tc superconductors ; characterization by X-ray powder methods ; AC- and DC-susceptibility ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: An Alternative Method for Preparation of Bi2Sr2CaCu3Ox, YBa2Cu3O7-δ, and YBa2Cu3-xMxO7-δ (M = Ni, Ag and x ≤ 33 Mol%)Oxidation of quenched melts of metals in a well defined argon/oxygen atmosphere has been found as an alternative method to prepare hight purity samples of Bi2Sr2CaCu2Ox without Pb-stabilization. A special equipment for the oxidation of powder samples will be described. By our new method it is also possible to prepare YBa2Cu3O7-δ and derivatives of this compound, where Cu is substituted by high amounts of Ni or Ag.
    Notes: Es wird eine alternative Präparationsmethode beschrieben, die es ermöglicht, durch Oxidation abgeschreckter Metallschmelzen in einer Sauerstoff-Argon-Strömungsapparatur sehr saubere, nicht Pb-stabilisierte Bi2Sr2CaCu2Ox-Präparate herzustellen. Dieser Weg ist auch für die Darstellung von YBa2Cu3O7-δ und Substitutionsderivaten dieser Verbindung mit hohen Konzentrationen an Ni oder Ag geeignet.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926161030
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  • 10
    Electronic Resource
    Electronic Resource
    Röntgenuntersuchung des Systems KCl—TlCl (1955)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 279 (1955), S. 138-140 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Wie nach der verschiedenen Kristallgitterstuktur von KCl und TlCl zu erwarten ist, bilden diese beiden Salze  -  entgegen früher veröffentlichten Angeben  -  keine lückenlose Reihe von Mischkristallen. Jedoch vermag jedes der beiden Salze das andere zu einem geringen Betrage von einigen Molprozent in fester Lösung aufzunehmen.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19552790303
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