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  • 1985-1989  (6)
  • 1986  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Soft x-ray emission from ω0, 2ω0, and 4ω0 laser-produced plasmas (1986)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 59 (1986), S. 3050-3052 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The soft x-ray spectra from Au plasmas in 0.1–1.6 keV range and x-ray conversion efficiencies of Au (high Z) and Al (low Z) targets with three laser wavelengths of 0.26, 0.53, and 1.05 μm are measured. In addition, the intensity dependence of the x-ray conversion efficiency at 0.26 μm is obtained for Au targets. For 0.26-μm laser light, the conversion efficiency of Au targets can be as high as 80% at an intensity of 2.4×1013 W/cm2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.336927
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Energy confinement effect on soft x-ray generation in 0.53-μm laser-heated cavity target (1986)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 59 (1986), S. 2332-2336 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The first experimental investigation has been made of the time-resolved soft x-ray spectra from an empty high Z cavity target irradiated by 0.53-μm wavelength laser. The soft x-ray emission spectra are compared with those from planar targets with respect to temporal and spectral profiles and brightness temperature. Evidence on the radiation confinement and the plasma confinement in the cavity geometry is discussed in conjunction with the energy dissipation flow.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.336330
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Diode-array coupled time-resolved transmission grating spectrometer (1986)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 57 (1986), S. 2489-2492 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A new type of sub-keV x-ray (0.1–1.2 keV) spectrometer diode array time-resolved transmission grating spectrometer (DATTS) with a fast time response (≤270 ps) has been developed to measure transient soft x-ray spectra from laser-produced plasmas. DATTS, the combination of the transmission grating (TG) and fast biplanar diodes, offers many advantages over the conventional x-ray diagnostics. Among the advantages are flexibility of the energy windows, fast time response, large dynamic range, and the capability of measuring absolute x-ray energy. All of these measurements have not been possible with a single diagnostic. The performance of the DATTS was compared with the data taken with the x-ray diode system, showing excellent agreement in the sub-keV x-ray energy range.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1139098
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Stage A prostatic cancer: a comparative study in Japan and the Netherlands (1986)
    Springer
    World journal of urology 4 (1986), S. 136-140 
    Details
    ISSN: 1433-8726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To obtain more accurate information on the prevalence of stage A prostatic cancer (incidental or latent carcinoma), a prospective collaborative study was set up in Japan and the Netherlands. A total of 859 specimens were submitted for routine histological examination (Japan: 343 specimens; the Netherlands: 516 specimens). All specimens were obtained from patients more than 50 years of age showing clinical signs of obstructive benign prostatic disease. The overall prevalence of stage A cancer in both countries was almost equal (Japan 13% vs the Netherlands 14%). A relatively large number of incidental tumors were found in subcapsular prostatectomy specimens in the Netherlands. Increasing prevalence of stage A disease in subsequent age decades was not found in the Netherlands, where the highest prevalence was observed in the 70–79 age-group. Subdivision of stage A disease into A1 and A2 tumors did not reveal any significant difference in prevalence between the two countries. Of particular interest is that the number of A2 lesions found in the Netherlands was not higher than that found in Japan. In both countries almost all A1 lesions were identified as G1 tumors in stage A1 disease. Both G2 and G3 lesions were present in Japan and the Netherlands in 79% and 72% of the A2 cases respectively. Results are discussed and especially related to their possible impact upon the differences in mortality rate between the two countries.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00327009
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Uptake of organic matter by the roots of sweet potato: Analysis of the δ14C value of plants (1986)
    Springer
    Plant and soil 91 (1986), S. 209-219 
    Details
    ISSN: 1573-5036
    Keywords: Carbon dating ; CO2 uptake from roots ; Delta carbon-14 ; Delta carbon-13 ; Ipomoea batatas ; Organic matter
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary To determine whether sweet potato (Ipomoea batatas (L.) Poir.) takes up organic matter through the roots from the medium, the concentrations of natural14C (δ14C) in plant organic matter, atmospheric CO2 and compost applied to media were examined under soil and sand culture conditions. In these experiments, three kinds of composts of different δ14C were used. CO2 derived from the mineralization of compost was continuously pumped out from the pots and its direct uptake by the leaves was prevented. δ14C of plant parts harvested after the 43 days experimental period were affected by the δ14C of the compost in the treatments where the compost of rice straw was applied, and which suggested that a significant amount of plant carbon was derived from the compost.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02181788
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Formation reaction of mullite from SiO2-Al2O3 xerogels (1986)
    Springer
    Journal of materials science 5 (1986), S. 1316-1318 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01729404
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    Paper (German National Licenses)
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