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  • 1
    Electronic Resource
    Electronic Resource
    Nodulation of Trifolium repens at low pH by single and paired strains of Rhizobium leguminosarum biovar trifolii (1997)
    Springer
    Archives of microbiology 168 (1997), S. 193-198 
    Details
    ISSN: 1432-072X
    Keywords: Key words Competition ; Nodulation ; Rhizobium ; leguminosarum bv. trifolii ; Trifolium repens ; Acidity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Detailed individual nodulation profiles were obtained for five strains of Rhizobium leguminosarum biovar trifolii inoculated onto roots of Trifolium repens seedlings growing on an agar medium of pH 4.5. The time of appearance and the location of every nodule were noted for a period of 10 days after inoculation. Using these nodulation frequency profiles, pairings of strains were identified and six mixed-strain inoculation (1:1 ratio) experiments were subsequently performed at pH 4.5. Results from the mixed-inoculum experiments showed that the performance of a Rhizobium strain in single culture could not be reliably used to predict the outcome of a paired-inoculation study and that some seedlings were exclusively nodulated by rhizobia that performed poorly at low pH in single-culture inoculations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002030050487
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  • 2
    Electronic Resource
    Electronic Resource
    Effects ofl-dopa alone and in combination with dopa decarboxylase inhibitors on the arterial pressure and heart rate of dogs (1971)
    Springer
    Cellular and molecular life sciences 27 (1971), S. 529-531 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Nach Vorbehandlung mitl-HMD (peripherer Hemmer der Dopa-Dekarboxylase) wird mitl-Dopa (25 und 50 mg/kg i.v.) Blutdruck und Herzfrequenz herabgesetzt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02147580
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  • 3
    Electronic Resource
    Electronic Resource
    A computational method for quasi-static fracture (1998)
    Springer
    Computational mechanics 22 (1998), S. 203-210 
    Details
    ISSN: 1432-0924
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A direct method for solving quasi-static, mixed-mode fracture problems is presented. The element-free Galerkin method is used in order to allow for crack growth without remeshing. An expression for the normalized, critical traction is derived in terms of the fracture resistance (R-curve) and a crack-dependent function. Sample problems demonstrate the capability of this method to accurately compute the post-peak equilibrium paths for structures with growing cracks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004660050354
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  • 4
    Electronic Resource
    Electronic Resource
    The beta decay of139I (1985)
    Springer
    The European physical journal 321 (1985), S. 705-706 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A preliminary investigation of the decay of139I was made at the TRISTAN on-line mass separation facility using a negative-surface ionization source. Over 100 new γ rays are assigned to the decay of139I. The level scheme for the low-lying structure of139Xe supports a g.s. spin of 3/2−.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01432453
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  • 5
    Electronic Resource
    Electronic Resource
    Decay of 17-min, 19/2−129mSb (1987)
    Springer
    The European physical journal 328 (1987), S. 257-258 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A 17.1min, 19/2− isomer has been established in129Sb at 1851 keV. It is fed by levels populated in the decay of the 6.2min, 11/2−129Sn isomer. This isomer decays by an M4, 723keV internal transition and by β− decay to levels in129Te. The 723keV transition is 20 times slower than 11/2−→3/2+ M4 transitions in the adjacent odd-N nuclides and is 10 times faster than the M4 transition from the 19/2− isomer in135Cs. A partial level scheme for the decay of the 11/2−,129Sn isomer is given showing levels that populate the 19/2− isomer along with a partial level scheme for129 Te.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01290671
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  • 6
    Electronic Resource
    Electronic Resource
    Neutron captue prompt gamma-ray activation analysis at the NIST Cold Neutron Research Facility (1993)
    Springer
    Journal of radioanalytical and nuclear chemistry 167 (1993), S. 121-126 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract An instrument for neutron capture prompt gamma-ray activation analysis (PGAA) has been constructed as part of the Cold Neutron Research Facility at the 20 MW National Institute of Standards and Technology Research Reactor. The neutron fluence rate (thermal equivalent) is 1.5·108 n ·cm−2·s−1, with negligible fast neutrons and gamma-rays. With compact geometry and hydrogen-free construction, the sensitivity is sevenfold better than an existing thermal instrument. Hydrogen background is thirtyfold lower.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02035470
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  • 7
    Electronic Resource
    Electronic Resource
    Multimedia encyclopedia of nuclear science (1997)
    Springer
    Journal of radioanalytical and nuclear chemistry 219 (1997), S. 221-230 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract We are developing a multimedia encyclopedia that provides a framework for students to leam nuclear science. A variety of media formats are used to present concepts, including text, static figures, animations, and video. Two special prsentation formats use dynamically produced simulations to expose students to nuclear science relationships. These media types provide greater interactivity and flexibility than simple animations. Students access information through tutorials, a dictionary of nuclear science terms, biographies of notable scientists, and a timeline of nuclear science history. The tutorial organization emphasizes the interrelationships among topics. We present an overview of the encyclopedia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02038504
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  • 8
    Electronic Resource
    Electronic Resource
    Nuclear science programs at San Jose State University (1993)
    Springer
    Journal of radioanalytical and nuclear chemistry 171 (1993), S. 167-175 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract San Jose State University provides undergraduate, graduate, and outreach programs in nuclear science education that are unique in this country and perhaps in the world. A dedicated Nuclear Science Facility, specifically designed and equipped for undergraduate and graduate nuclear science laboratory work, is a key resource that helps make these programs possible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02039684
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  • 9
    Electronic Resource
    Electronic Resource
    Nuclear science summer school for high school students (1997)
    Springer
    Journal of radioanalytical and nuclear chemistry 219 (1997), S. 237-239 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract We have developed a two-week summer lecture and laboratory course that introduces high school students to concepts in nuclear science. The program has operated at the San Jose State University Nuclear Science Facility for two years. Experienced high school science teachers run the summer school, assisted by other science teachers. Students consider the program to be effective. Its popularity is shown by numerous requests for reservations and the necessity to offer multiple sections in 1997. *** DIRECT SUPPORT *** A0553010 00006
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02038506
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  • 10
    Electronic Resource
    Electronic Resource
    Electronic laboratories for nuclear science education (1997)
    Springer
    Journal of radioanalytical and nuclear chemistry 219 (1997), S. 251-255 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract We are developing electronic laboratories to help introduce students to nuclear science. An electronic laboratory is a collection of computer simulations of nuclear science experiments. Each program allows students to set experimental parameters, collect data, and analyze results. Experiments can easily be repeated because the computer can compress time. Electronic laboratories are useful for schools with existing nuclear science programs because they can prepare students for actual laboratory work. They are also useful for schools without specialized facilities, since they give students an empirical understanding of nuclear science but do not require specialized equipment. We present three electronic experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02038509
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