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  • 1
    facet.materialart.
    Unknown
    Nutrients measured on water bottle samples during SONNE cruise SO109/1 (2013)
    PANGAEA
    Details
    Publication Date: 2023-02-24
    Keywords: 1/1CTD; 19/1CTD; 20/1CTD; 26/1CTD; 29/1CTD; 34/1CTD; 35/1CTD; 37/1CTD; 4/1CTD; 42/1CTD; 5/1CTD; 7/1CTD; Continuous Flow Automated Analysis (Gordon et al., 1993, WOCE Tech Rpt 93-1); CTD; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; GEOMAR; Helmholtz Centre for Ocean Research Kiel; HYDROTRACE; Juan de Fuca Ridge, North Pacific Ocean; Latitude of event; Longitude of event; Nitrate; Oregon Vent; Phosphate; Pressure, water; Silicate; SO109/1; SO109/1_1-1; SO109/1_19-1; SO109/1_20-1; SO109/1_26-1; SO109/1_29-1; SO109/1_34-1; SO109/1_35-1; SO109/1_37-1; SO109/1_4-1; SO109/1_42-1; SO109/1_5-1; SO109/1_7-1; Sonne
    Type: Dataset
    Format: text/tab-separated-values, 564 data points
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Hydrothermal activity at Hook Ridge in the Central Bransfield Basin, Antarctica (1999)
    In:  EPIC3Geo-marine letters, 18, pp. 277-284
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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    PAPER (OA)
  • 3
    Electronic Resource
    Electronic Resource
    Isoxazole chemistry. 5. N-Alkylation and N-acylation of 5-amino-3-(5-nitro-2-furyl)isoxazoles (1971)
    s.l. : American Chemical Society
    Journal of medicinal chemistry 14 (1971), S. 856-860 
    Details
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jm00291a020
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    A practical self-healing mercury target for efficient generation of soft x-ray radiation (1994)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 65 (1994), S. 1964-1967 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We have developed a self-healing mercury-wetted target as a practical source of soft x-ray radiation for photoexciting extreme ultraviolet lasers. A threaded rod, rotating in a pool of mercury, demonstrates a soft x-ray conversion efficiency similar to that of expendable gold-coated targets in synchronous photopumping of a photoionization Xe2+ laser at 109 nm. Surfaces self-heal or are continuously regenerated by rewetting, while mercury debris is removed by evaporation from the target chamber walls and optics. Long target lifetime and self-cleaning performance of the new target system are attractive features in future high-repetition-rate, high-throughput applications for photopumping of extreme ultraviolet or soft x-ray lasers, and more generally as incoherent sources for soft x-ray lithography and spectroscopy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1144849
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    A 200 GHz near field measurement system (1999)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 70 (1999), S. 2526-2532 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We have designed a near field measurement system operating at 200 GHz which has a dynamic range of 60 dB. The system has a short term and long term phase variation less than 0.5° and 2°, respectively. On averaging 128 times at each measurement point by using the averaging function of the network anaylzer, the short term phase variation decreases to less than 0.2°. The phase variation mentioned above is observed with the testing probe pointing to the center of the antenna under test. The contours of the near field obtained shows that the field is highly circular as expected from the theoretical predication. We have shown that the system can distinguish the quality of the corrugated feed horn by near field measurement. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1149786
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    A novel sensitive method of surface impedance measurement for small samples (1998)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 69 (1998), S. 469-473 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We propose a novel sensitive method of surface impedance measurement for small samples utilizing a YIG delay line. We will give a full analysis of the relationship between the phase and amplitude of the signals to surface impedance. The sensitivity of this method will be fully addressed. The dispersion relations of magnetostatic waves guided by lossy ground planes will also be given as byproducts of the above analysis. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1148684
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Thermal properties of five-layer infinite plate structures with embedded heat sources (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 65 (1989), S. 4438-4444 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The analytical three-dimensional temperature solution of a five-layer anisotropic plate structure with infinite lateral boundaries and with embedded heat sources has been derived. By incorporating the method of images, this solution can be utilized to obtain the exact solution of a five-layer structure with rectangular lateral boundaries and with embedded heat sources. Consequently, this solution constitutes the most general analytical expression reported so far. The solution is in the form of a double Fourier integration. To carry out the integration effectively, the characteristics of the transformed temperature in the Fourier domain have been studied. Subsequently, an integration algorithm has been developed for the efficient numerical integration of the double Fourier inverse transform for temperature calculation. In comparison with the double Fourier series solution of rectangular structure, the solution reported here is not only much more computationally effective but also more general. Besides thermal problems, the solution also has important applications in electrostatics since the thermostatics share the same equations with electrostatics. Examples of electrostatic problems are multilayer stripline, and microstrip, multilevel interconnection of integrated circuits, and multilayer printed circuit boards.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.343285
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  • 8
    Electronic Resource
    Electronic Resource
    Thermal properties of the multilayer infinite plate structure (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 410-415 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Using the double Fourier integral transform method, the analytical temperature solutions to the single-layer and multilayer structures with infinite lateral dimensions have been derived. For the single-layer structure, temperature dependence of the thermal conductivity has been taken into account using the Kirchhoff transformation. The use of discrete rectangular heat sources rather than circular heat sources on the top surface of the structure makes this model particularly useful for the thermal analysis of common solid-state and integrated circuit devices and packages. For studying the thermal properties of a large class of solid-state device geometries, this model can be utilized to approximate actual devices with reasonable accuracy. The general device geometries for which this model can be employed to represent the actual devices are determined. Compared with the model where the finite extent of the chip lateral dimensions is considered, the present model is much more computationally efficient for cases where the heat source size is much smaller than the substrate or package size.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.341442
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Exact thermal representation of multilayer rectangular structures by infinite plate structures using the method of images (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 6851-6857 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Using the method of images and the analytical temperature solution to the multilayer infinite plate structure, the thermal profile over finite rectangular multilayer integrated circuit devices can be calculated exactly. The advantage of using the image method lies in the enhanced capability of arriving at an analytical solution for structures where analytical solutions do not apparently exist, e.g., circular or arbitrarily oriented rectangular sources over multilayered rectangular structures. The new approach results in large savings in computer CPU time especially for small sources over large substrates. The method also finds very important applications to integrated circuit devices with heat dissipating elements close to the edge boundaries. Results from two examples indicate that the edge boundaries of a device may also be utilized to remove heat from it. This additional heat removing capability should have important applications in high power devices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.341975
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Simultaneous determination of chlorinated bacteriostats in cosmetic and pharmaceutical products (2005)
    Oxford, UK : Blackwell Science Ltd
    International journal of cosmetic science 27 (2005), S. 0 
    Details
    ISSN: 1468-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A high-performance liquid chromatography method has been developed for simultaneous determination of triclosan (2,4,4-trichloro-2-hydroxydiphenyl ether) and triclocarban (3,4,4-trichlorocarbanilide) in cosmetic and pharmaceutical products. The two compounds could be separated on a Nucleosil C18 column and eluted with acetonitrile and water (70:30, v/v) as the mobile phase and detected with a differential refractive index detector. The retention times of triclosan and triclocarban were 5.81 and 2.99 min, respectively. The results obtained were in good agreement with those obtained by a differential pulse voltammetric method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-2494.2005.00289_4.x
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    Paper (German National Licenses)
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