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  • 2005-2009  (1)
  • 1985-1989  (18)
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Year
  • 11
    Electronic Resource
    Electronic Resource
    Measurement of neutron emission from a SiO2−D2 system (1989)
    Springer
    Journal of radioanalytical and nuclear chemistry 137 (1989), S. 421-429 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract As a new fact, the neutron emission from the d-d nuclear fusion reaction in a SiO2−D2 system has been confirmed as well as that in the Ti−D2 system. By using a liquid scintillation detector, the neutron emissions from 8 sample materials consisted of SiO2, in which a small amount of deuterium was adsorbed chemically on the surface layer, were measured in the range of temperature between liquid nitrogen temperature and 400 °C. As a result, it was demonstrated that the neutron-emission reactions take place predominantly on the surface layer of sample material.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02168349
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    Paper (German National Licenses)
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  • 12
    Electronic Resource
    Electronic Resource
    Measurement of neutron emission from a Ti−D2 system (1989)
    Springer
    Journal of radioanalytical and nuclear chemistry 137 (1989), S. 411-420 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Neutron emission from the d-d nuclear fusion reaction, D/d,n/3He, in and on titanium metals /titanium sponge and the mixture of titanium powder/ trapped deuterium at about 1 atm has been ascertained by using a high resolution liquid scintillation detector. The neutron emissions from 11 samples which were provided under wide varieties of conditions were measured by temperature change in the range of liquid nitrogen temperature to 350 °C. As a result, it was proved that the neutron emission observed can be divided into two types, such as cooling and heating, by the evolved conditions. Moreover, by estimating the neutron emission efficiencies of samples, it was suggested that the neutron emission reactions are closely related to the deuterium trapped in the surface of titanium metal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02168348
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    Simultaneous determination of P, Cl, K and Ca in several control serums by alpha-particle activation analysis using the internal standard method (1987)
    Springer
    Journal of radioanalytical and nuclear chemistry 109 (1987), S. 449-458 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In order to demonstrate the usefulness of alpha-particle activation analysis, simultaneous determination of P, Cl, K and Ca in commercially available control serums has been studied fundamentally. After thick target yield curves of radionuclides produced from the element to be determined were measured as a function of alpha energy together with those of the interferences, an optimum working standard for the present experiments was provided by applying the internal standard method to a human serum under the most suitable bombardment conditions. Then, the concentrations of the above four elements in several control serums were determined efficiently and reasonably by ordinary alpha-particle activation analysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02037887
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    Paper (German National Licenses)
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  • 14
    Electronic Resource
    Electronic Resource
    Instrumental charged-particle activation analysis of several selected elements in biological materials using the internal standard method (1987)
    Springer
    Journal of radioanalytical and nuclear chemistry 111 (1987), S. 359-369 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In order to study instrumental charged-particle activation analysis using the internal standard method, simultaneous determination of several selected elements, such as Ca, Ti, V, Fe, Zn, As, Sr, Zr and Mo, in oyster tissue, brewer's yeast and mussel has been examined by using the respective (p, n) reactions and a personal computer-based gamma-ray spectrometer equipped with a micro-robot for sample changing. In the above determination, constant amounts of Y and La were added to the sample and comparative standard as exotic internal standards. As a result, it was demonstrated that concentrations of the above elements can be determined accurately and precisely.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02072869
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    Paper (German National Licenses)
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  • 15
    Electronic Resource
    Electronic Resource
    Instrumental photon activation analysis of soil samples using the internal standard method coupled with the standard addition method (1987)
    Springer
    Journal of radioanalytical and nuclear chemistry 116 (1987), S. 375-388 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Multielement determinations in the certified reference materials of soils (IAEA soil-5 and 7) have been studied fundamentally by instrumental photon activation analysis using the internal standard method coupled with the standard addition method. For the soil-5 sample, in the first place, the qualities of the comparative standards prepared by two processing methods were compared with each other. As a result, it was demonstrated that a highly accurate and precise multielement determination can be achieved easily by minor improvement in the processing method of the comparative standard to ensure homogeneity. The utility of this processing method for soil samples was proved further through a similar analysis in another soil sample (IAEA soil-7).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02035782
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  • 16
    Electronic Resource
    Electronic Resource
    Simultaneous determination of Ca, Rb, Sr and Ce in environmental materials by photon activation analysis using the stable isotope dilution method (1986)
    Springer
    Journal of radioanalytical and nuclear chemistry 99 (1986), S. 287-297 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In order to study further the applicability of the newly developed stable isotope dilution method, simultaneous determination of Ca, Rb, Sr and Ce in three kinds of environmental materials has been tried by means of photon activation using isotopically enriched48Ca,87Rb,86Sr and142Ce as spikes. All determinations were demonstrated to be sensitive, highly specific and reasonably accurate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02037588
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    Paper (German National Licenses)
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  • 17
    Electronic Resource
    Electronic Resource
    Instrumental photon activation analysis of environmental materials using the internal standard method (1987)
    Springer
    Journal of radioanalytical and nuclear chemistry 109 (1987), S. 237-246 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In order to study effective applications of the photon activation analysis using the internal standard method, determinations of Cr, Co, Ni, Zn, As, Rb, Sr, Y, Zr, Nb, Sb, Cs, Ba, Ce and Pb in two marine sediments as environmental materials have been examined by the use of a personal computer-based gamma-ray spectrometer equipped with a micro-robot for sample changing. In these determinations, some major and minor constituent elements in the samples were properly used as effective internal standards to check the roles with each other. As a result, it was demonstrated that accurate and precise determinations of the above 15 elements were achieved efficiently and favourably.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02117540
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  • 18
    Electronic Resource
    Electronic Resource
    Highly accurate and precise multielement determination of environmental samples by means of photon activation using the internal standard method (1986)
    Springer
    Journal of radioanalytical and nuclear chemistry 100 (1986), S. 287-301 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In order to examine effective applications of the newly developed internal standard method, determinations of Cr, Co, Ni, Zn, As, Rb, Sr, Y, Zr, Nb, Cs, Ce and Pb in three environmental materials, such as pond, lake and estuarine sediments, have been tried by means of photon activation. In these examinations, some major constituent elements in the above sediments were properly used as excellent and effective internal standards. In consequence, it was confirmed that highly accurate and precise determinations of the above 13 elements were achieved easily and favourably.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02037234
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    Paper (German National Licenses)
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  • 19
    Electronic Resource
    Electronic Resource
    Revaluation of the internal standard method coupled with the standard addition method applied to soil samples by means of photon activation (1988)
    Springer
    Journal of radioanalytical and nuclear chemistry 121 (1988), S. 131-139 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In order to achieve the highly accurate and precise multielement determination in environmental materials, the usefulness of the comparative standard provided by the processing method proposed previously for soil samples has been re-examined using calcareous loam soil, light sandy soil and river sediment as unknown samples. As a result, it was also demonstrated that concentrations of 15 trace elements in each sample can be determined effectively and reasonably.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02041454
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    Paper (German National Licenses)
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