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  • 1985-1989  (23)
  • 1980-1984  (20)
  • 1940-1944  (1)
  • 1920-1924  (2)
  • 1880-1889  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Report on a very young dizygotic human twin pregnancy (1981)
    Springer
    Archives of gynecology and obstetrics 231 (1981), S. 51-56 
    Details
    ISSN: 1432-0711
    Keywords: Dizygotic twinning ; Implantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two ova implanted in one uterus were found at the autopsy of a 28-year-old woman. The ovulation age of both implantations has been estimated to be 10–12 days. The presence of two equally large corpora lutea, one in each ovary, indicates that the implanted ova originated from different ovaries. Thus, an “ovulatio biovarialis” seems to be the basis for the dizygotic twinning in this case. The case is believed to be the only documented example of a very early dizygotic, fraternal pregnancy in humans.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02110023
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Dual dielectric silicon metal-oxide-semiconductor field-effect transistors as radiation sensors (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 65 (1989), S. 1972-1976 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A new design for radiation-sensing field-effect transistors (RADFETs) is presented, involving the use of very thick silicon nitride layers deposited on top of a high-quality thermal silicon dioxide. In contrast to previous RADFET fabrication procedures, no attempt was made to introduce hole traps into the thermal oxide. Instead the trapping layer at the nitride oxide interface was used to store the positive charge which forms the basis for operation of the RADFET. Data is presented which shows hole transport in the thermal oxide. Models explaining the field dependence of the response and the saturation behavior of the dual dielectric device are given. These RADFETs are more stable than any previously described in the literature and have a sensitivity of 86 μV/rad dose at room temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342887
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    TMX-U computer system in evolution (1986)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 57 (1986), S. 1880-1882 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: Over the past three years, the total TMX-U diagnostic data base has grown to exceed 10 Mbytes from over 1300 channels; roughly triple the originally designed size. This acquisition and processing load has resulted in an experiment repetition rate exceeding 10 min per shot using the five original Hewlett–Packard HP-1000 computers with their shared disks. Our new diagnostics tend to be multichannel instruments, which, in our environment, can be more easily managed using local computers. For this purpose, we are using HP series 9000 computers for instrument control, data acquisition, and analysis. Fourteen such systems are operational with processed format output exchanged via a shared resource manager. We are presently implementing the necessary hardware and software changes to create a local area network allowing us to combine the data from these systems with our main data archive. The expansion of our diagnostic system using the parallel acquisition and processing concept allows us to increase our data base with a minimum of impact on the experimental repetition rate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1139159
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Database tools for enhanced analysis of TMX-U data (1986)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 57 (1986), S. 1929-1931 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A commercial database software package has been used to create several databases and tools that assist and enhance the ability of experimental physicists to analyze data from the Tandem Mirror Experiment-Upgrade (TMX-U) experiment. This software runs on a DEC-20 computer in M-Divisions's User Service Center at Lawrence Livermore National Laboratory (LLNL), where data can be analyzed off line from the main TMX-U acquisition computers. When combined with interactive data analysis programs, these tools provide the capability to do batch-style processing or interactive data analysis on the computers in the USC or the supercomputers of the National Magnetic Fusion Energy Computer Center (NMFECC) in addition to the normal processing done by the TMX-U acquisition system. One database tool provides highly reduced data for searching and correlation analysis of several diagnostic signals within a single shot or over many shots. A second database tool provides retrieval and storage of unreduced data for use in detailed analysis of one or more diagnostic signals. We will show how these database tools form the core of an evolving off-line data analysis environment on the USC computers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1138799
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Omeprazole (20 mg o.m.) versus ranitidine (150 mg b.d.) in duodenal ulcer healing and pain relief (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 3 (1989), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The object of this double-blind, multicentre study was to compare duodenal ulcer healing rates after 2 and 4 weeks of treatment with either 20 mg omeprazole o.m. or 150 mg ranitidine b.d. One hundred and eighty-one patients were randomized: 91 received omeprazole and 90 received ranitidine.In a per protocol analysis at 2 weeks, 63% of the patients were healed on omeprazole and 65% of the patients were healed on ranitidine (N.S.); at 4 weeks 91% were healed in the omeprazole group and 96% were healed in the ranitidine group. There were no differences in ulcer symptom relief between the two groups. There were no significant changes in laboratory values in either of the groups. Adverse events were few and mainly mild and transient.We conclude that both omeprazole (20 mg o.m.) and ranitidine (150 mg b.d.) result in rapid, ulcer healing rates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1989.tb00235.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Dihydrotentoxin: a cyclic tetrapeptide (1981)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 37 (1981), S. 1139-1141 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740881005293
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Approximation of a set of points by points of a grid (1987)
    Springer
    Computing 38 (1987), S. 341-345 
    Details
    ISSN: 1436-5057
    Keywords: Approximation ; n-dimensional grid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung Es wird ein Verfahren zur Bestimmung einer Translation eines rechtwinkeligen Gitters mit der Eigenschaft, daß eine endliche Punktmenge des ℝN möglichst gut durch Gitterpunkte approximiert wird, angegeben.
    Notes: Abstract A procedure is given for translating a rectangular grid in such a way that a finite set of points in ℝN is approximated as good as possible by points of the translated grid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02278711
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Small-sized euryhaline fish as intermediate hosts of the digenetic trematodeCryptocotyle concavum (1984)
    Springer
    Helgoland marine research 37 (1984), S. 433-443 
    Details
    ISSN: 1438-3888
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Cercariae of the trematodeCryptocotyle concavum, which encyst in skin and/or kidney of sticklebacks and gobies, were studied in the Schlei Fjord (western Baltic Sea). Mean incidence of dermal cysts was 48 % inGasterosteus aculeatus and 37 % inPungitius pungitius. No cysts were found in the kidneys of sticklebacks. While 97 % ofPomatoschistus microps had encysted metacercariae in the kidneys, only 2 % had cysts in the skin.Pomatoschistus minutus, however, showed hardly any cyst infestation of either skin or kidney. InP. microps the intensity of infestation by metacercariae was frequently more than 50 cysts; in contrast, sticklebacks rarely exhibited more than 5 dermal cysts. Infested fish were larger than 10 mm in total length, the incidence rate increasing with growth. Parasitic infestation depends on ambient salinity:C. concavum was not found at salinities below 4 ‰. In contrast to the high incidence in fish, the first hosts — the snailsHydrobia stagnalis andH. neglecta — showed remarkably low infection rates (3 to 5 %). The findings reported are related to the distribution ofC. concavum, the mode of life of infested fish, the feeding habits of the final hosts and the infestation ofP. microps by other parasites. Evidently,P. microps represents an optimal second host forC. concavum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01989322
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    A diquark scattering model for highp T proton production inpp collisions at the ISR (1985)
    Springer
    The European physical journal 28 (1985), S. 335-341 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The relative yield of high transverse momentum protons measured inpp interctions at the CERN ISR is calculated in the framework of simple parton models. Whereas models based exclusively on quark and gluon scattering fail to describe the data, the hypothesis of diquark scattering provides a quantitative understanding of the measured dependences on transverse momentum, polar angle, and centre-of-mass energy. Different assumptions on diquark structure functions are tested.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01413596
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Neutral strange particle production in proton-proton collisions at $$\sqrt s = 63$$ GeV (1982)
    Springer
    The European physical journal 12 (1982), S. 217-224 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The inclusive cross section for the production ofK s 0 mesons, Λ and $$\bar \Lambda$$ particles in proton-proton interactions at $$\sqrt s = 63$$ GeV is presented. The produced particles have been detected in the full phase space. Behaviour of the longitudinal and transversal depandences of the cross sections are discussed. The total production cross sections for s 0 mesons and Λ particles was determined to $$\sigma _{{\rm K}_S^0 } = (25.5 \pm 1.4)$$ mb andσ Λ =(7.8±1.2) mb respectively. A strong energy dependence of the production cross sections is observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01558259
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    Paper (German National Licenses)
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