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  • Articles: DFG German National Licenses  (9)
  • 1980-1984  (4)
  • 1970-1974  (4)
  • 1965-1969  (1)
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  • Articles: DFG German National Licenses  (9)
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 37 (1972), S. 9-13 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 37 (1972), S. 241-250 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 224 (1969), S. 486-500 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An experimental method to produce polarized negative hydrogen ions is discussed and compared with other methods. The method makes use of the different lifetimes of the metastable 2S 1/2 state and the 2P 1/2 state of the hydrogen atom. Polarized ion beams are obtained by using a selective quenching process followed by selective ionisation. Experimental results are given for the intensity and polarization of the polarized negative ion beam of deuterons. These results were obtained as a function of the quenching-field, the magnetic field in the argon-cell and the density of argon and cesium. The yield of negative ions can be expressed by the cross sections for the different charge exchange reactions in argon. The measured tensorpolarisationP 33 can be interpreted as a function of the cross sections, the argon-density and the magnetic field along the beam axis. Beams of 50 nA intensity were produced with a polarization ofP 33=−0.250±0.006. The main advantage of this method is a low beam emittance, values of 0.7 cm rad eV1/2 were achieved. The production of a polarized positive deuteron beam seems to be possible.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 318 (1984), S. 205-212 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Angular distributions of differential cross sections and vector analyzing powers were measured forl=0, 1 and 2 transitions induced by the $$^{26} Mg\left( {\overrightarrow d ,\tau } \right)^{25} Na$$ reaction at 52 MeV. The following spins and parities of final states in25Na were deduced:J π =1/2+ (1.069 MeV), 3/2+ (2.202 MeV), 5/2+ (2.914 MeV), 1/2− (3.995 MeV) and 3/2− (5.190, 5.690, 6.549 and 7.603 MeV). The DWBA analysis of proton and neutron pick-up spectra obtained from a parallel measurement of the26Mg(d, τ)25Na and26Mg(d, t)25Mg reactions allows the identification ofT=3/2 analog states in25Mg. Interpretation in terms of the Nilsson model of energies and spectroscopic factors of the first 1/2− and 3/2− hole states observed in proton pick-up reactions from even 1d 5/2- shell nuclei indicates a close correspondence of the final state deformations with those of the first excited 2+ states in the target nuclei.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Polarized deuteron beams may be obtained from metastable atomic beams by quenching three of the six hyperfinestructure levels. Using a field distribution which crosses zero on the beam axis the occupation numbers of the hyperfinestructure levels may be changed by a nonadiabatic process. The special conditions for this magnetic field are discussed by comparing the corresponding Larmor frequency of the metastable atoms with the angular frequency of the magnetic field vector. Experimental investigations were carried out for field gradients between 1.9 and 5.4 Oe/cm and for superposed homogeneous transverse fields of up to 6 Oe. With deuterons a tensorpolarization ofP 33=−0.70±0.01 was obtained at a negative ion beam current of 42 nA.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 250 (1974), S. 159-165 
    ISSN: 1432-069X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Reißkraft und Reißfestigkeit excidierter Rückenhautstreifen von unterschiedlich alten Ratten wurde nach dreiwöchiger oraler Behandlung mit 320 mg/kg/died-Penicillamin vergleichend geprüft. Die durch die Behandlung mit d-Penicillamin verursachte relative Abnahme von Reißkraft und Reißfestigkeit exzidierter Rückenhautstreifen hängt vom Alter der Ratten ab: Je jünger die Tiere zum Zeitpunkt des Behandlungsbeginns sind, desto größer ist die relative Abnahme von Reißkraft und Reißfestigkeit.
    Notes: Summary Load resulting in rupture and tensile strength of excised strips of dorsal skin in rats of different age after a 3 week treatment withd-penicillamine (320 mg/kg) have been comparatively tested. The relative decrease of load resulting in rupture and tensile strength of the strips of dorsal skin induced by treatment withd-penicillamine depends on the age of the rats: the relative decrease of load resulting in rupture and tensile strength is more pronounced the younger the animals are when the treatment is started.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using the ( $$\vec d$$ ,3He) reactions on90Zr and144Sm at 52 MeV spins of deeply-bound hole states have been measured for the first time. In contrast to neutron pick-up reactions the shell model strength is exhausted which enables us to derive the 1f and 1g spin-orbit splitting.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Mathematical methods of operations research 27 (1983), S. B217 
    ISSN: 1432-5217
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Description / Table of Contents: Abstract The author formulates some principles for the effective working-out of operation research models: the development of principle solutions, the formula principle, the principle of experiment, the principle of discrete consideration, the principle of restrictions and the principle of intermediate storage. These principles are demonstrated by modelling problems of technology, management and stochastic (especially taken from the field of mechanical engineering). The operation research modells are mainly applied to quantifying operational stress situations resulting from the superposition of demands, to relieving concial storage situations by effective batch sices, to the performance, reliability and continuance availability of special manufacturing processes, to the registration of stress effects on the lifetime of special transport equipment and to selected maintenance problems. The author also deals with attached theoretical problems, f.e. with the closed representation of the renewing function in a discrete case and with the determination of the number of spot checks in an generally distributed collective dependent on the function of spot checks to be estimated. All modells are explained be simple examples so that the reader can easily apply them in practice.
    Notes: Zusammenfassung Es werden einige Prinzipien zur effektiven Erarbeitung von Operations-Research Modellen formuliert — Entwicklung von Prinziplösungen, Formelprinzip, Experimentierprinzip, Prin zip der diskreten Betrachtung, Schrankenprinzip, Pufferungsprinzip — und anhand der Modellierung technologischer, betriebswirtschaftlicher und spezieller stochastischer Aufgabenstellungen (überwiegend aus der Maschinenbaupraxis) demonstriert. Hauptgegenstände der OR-Modellierung sind die Quantifizierung betrieblicher Belastungssituationen, die aus der Überlagerung von Anforderungen resultieren, die Entlastung angespannter Lagerhaltungssituationen durch effektive Losgrößen, Leistungsverhalten, Zuverlässigkeit und Dauerverfügbarkeit spezieller Fertigungsprozesse, die Erfassung von Belastungsauswirkungen auf die Lebensdauer spezieller Transportmittel und ausgewählte Instandhaltungsfragen. Aber auch wesentliche zugeordnete theoretische Aufgabenstellungen wie z.B. die geschlossene Darstellung der Erneuerungsfunktion im diskreten Falle und die Stichprobenumfangsbestimmung über beliebig verteilten Grundgesamtheiten in Abhängigkeit von der zu schätzenden Stichprobenfunktion werden behandelt. Sämtliche Modellierungen werden anhand einfacher Fallbeispiele erläutert und für den Leser für die praktische Nutzanwendung nachvollziehbar gestaltet.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Mathematical methods of operations research 28 (1984), S. B01 
    ISSN: 1432-5217
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Type of Medium: Electronic Resource
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