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  • Electronic Resource  (24)
  • 1980-1984  (5)
  • 1965-1969  (19)
Material
  • Electronic Resource  (24)
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 37 (1982), S. 0 
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The sump of a Fluotec Mk II vaporiser separated from the upper portion of the vaporiser during an anaesthetic, and fell off. The danger to the patient is discussed, as well as the possible causes for this occurrence.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 24 (1968), S. 1312-1316 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 206 (1965), S. 994-998 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE nucleotide sequence of messenger RNA is a code determining the amino-acid sequences of proteins. Although the biochemical apparatus which translates the code is elaborate, it is likely that the code itself is simple and consists of non-overlapping nueleotide triplets. In general, each ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 876-877 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Es wird vorgeschlagen, dass das von verschiedenen Forschern als «human placental lactogen», «chorionic growth hormone prolactin», «purified placental protein (human)» usw. bezeichnete plazentare Hormon «chorionic somato-mammotropin (HCS)» benannt wird.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Astrophysics and space science 3 (1969), S. 448-463 
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is usually assumed that the ions of cosmic rays contribute nothing to the observable electromagnetic radiation. However, this is true only when these ions are moving in a vacuum or a quiet (nonturbulent) plasma. In the case of fast ions in a turbulent plasma, there is an effective nonlinear mechanism of radiation which is discussed in this paper. The fast ion (relativistic or nonrelativistic) moving in the plasma creates a polarization cloud around itself which also moves with the particles. The turbulent plasma waves may scatter on the moving electric field of this polarization cloud. In the process of this scattering an electromagnetic wave with frequency (2.7) is generated. Let ω1 and k1 be the frequency and wave vector of turbulent plasma waves,V is the velocity of the ion, and ϱ is the angle between the wave vector of electromagnetic radiation and the direction of the ion velocity. The method of calculating the probability of the conversion of plasma waves (k1) into electromagnetic waves (k) by scattering on an ion with velocityV is described in detal in Section 2 (Equation (2.14)). The spectral coefficients of spontaneous radiation in the case of scattering of plasma waves on polarization clouds created by fast nonrelativistic ions are given in (3.6) for an ion energy distribution function (3.4) and in (3.8) for more general evaluations. The Equations (3.9)–(3.13) describe the spectral coefficients of spontaneous emission for different modes of plasma turbulence (Langmuir (3.9), electron cyclotron in a weak (3.10) or strong (3.11) magnetic field and ion acoustic (3.12)–(3.13) waves). The coefficients of reabsorption or induced emission are given by Equations (3.14) and (3.16)–(3.19). There is a maser effect in the case of scattering of plasma waves on a stream of ions. The effective temperature of the spontaneous emission is given by Equation (3.15). The spectral coefficients of radiation due to scattering of plasma waves on relativistic ions are calculated in the same manner (Equations (4.14)–(4.15)). The total energy loss due to this radiation is given in Equations (4.23)–(4.25). The coefficients of induced emission are given in (4.26)–(4.28). The results are discussed in Section 5. It is shown that the loss of energy by nonlinear plasma radiation is much smaller than the ionization loss. However, the coefficients of synchrotron radiation of electrons and nonlinear radiation of ions under cosmic conditions may be comparable in the case of a weak magnetic field and fairly low frequencies (5.5)–(5.6). Usually the spectrum of nonlinear plasma radiation is steeper than in the case of synchroton radiation. Equation (5.10) gives the condition for nonlinear radiation to prevail over thermal radiation.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Radiophysics and quantum electronics 10 (1967), S. 5-7 
    ISSN: 1573-9120
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Chemistry and technology of fuels and oils 1 (1965), S. 447-452 
    ISSN: 1573-8310
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary 1. The relation was established between the characteristic viscosity of polymethacrylate (in benzene at 27°C) and the average molecular weight, determined by the osmometric method [η]=2.95·10−3·¯M n 0.52 The formula was found for the polymethacrylates with hydrocarbon radicals R from C7 to C12 and with average molecular weights from 3 · 103 to 3 · 104. 2. The molecular weight distribution was determined for two samples of a viscosity additive-polymethacrylate.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Chemistry and technology of fuels and oils 2 (1966), S. 391-393 
    ISSN: 1573-8310
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary 1. Transformer oil subjected to a brief irradiation (dose 475 rad) ages more rapidly compared with unirradiated oil on prolonged contact with copper or copper oxide in the presence of air. 2. After fast neutron irradiation (dose 109 neutrons/cm2) and subsequent prolonged storage of turbine oil 22, and the same oil containing 5% additive (polyisobutylene), the viscosity and acid value are virtually unaltered. 3. Induced activity (beta-active P32 and S35) has been found in neutron-irradiated (Po-Be) turbine oil.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Chemistry and technology of fuels and oils 2 (1966), S. 492-496 
    ISSN: 1573-8310
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary 1. It has been established that polymethacrylate, when added to a naphthenic-paraffinic fraction of lubricating oil, has an effect on the oxidation of this fraction at 140–180°C. When the polymer is present, there is a more rapid accumulation of peroxides and products from the conversion of peroxides (alcohols, carbonyl compounds, and acids). 2. Polymers of higher molecular weight have a greater effect on the oxidation process and are subject to more severe breakdown.
    Type of Medium: Electronic Resource
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