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  • 1
    Electronic Resource
    Electronic Resource
    The effects of the 5 HT2 antagonist ketanserin in adult atopic asthma (1988)
    Springer
    European journal of clinical pharmacology 35 (1988), S. 209-212 
    Details
    ISSN: 1432-1041
    Keywords: ketanserin ; astma ; 5-hydroxytryptamine (5 HT) ; airways function
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary We have studied eight adult atopic asthmatic patients in a randomized double-blind, placebo-controlled, cross-over trial in order to examine the effects of the 5 HT2 antagonist ketanserin on airways function (FEV1, FVC, V50(χ), and V25(π)). Ketanserin did not significantly change resting bronchomotor tone. Treadmill exercise caused a similar maximal percentage fall in FEV1 after both drug [16.8 (3.7)%] and placebo [19.2 (4.2)%]; ketanserin did not significantly attenuate bronchoconstriction, measured over a 20-min period after exercise. These results suggest that 5 HT2 receptors do not play a major role in the control of resting bronchomotor tone or in exercise-induced bronchoconstriction in adult atopic asthmatic patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00609255
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  • 2
    Electronic Resource
    Electronic Resource
    Quadrupole structure in the rotational spectrum of the v8=1 and 2 and ground vibrational levels of CH3C14N for the frequency range 17–56 GHz (1987)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 86 (1987), S. 4725-4729 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The rotational spectra in the ground and v8=1 and 2 vibrational states of methyl cyanide have been determined in the frequency range 17–56 GHz. Molecular constants for these vibrationally excited states have been determined from more than 30 observed rotational transitions. Experimentally measured frequencies are presented and compared with those calculated using the results of basic perturbation theory. Constants were obtained for the v8=1 level and these, along with the ground constants, used to generate constants for components of the v8=2 vibration. A model was developed for the quadrupole splitting for the ground and v8=1 levels. From these values spectral components were predicted and assigned for the higher vibration v8=2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.452692
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  • 3
    Electronic Resource
    Electronic Resource
    The microwave spectrum of propyne in the 17–70 GHz region for the V10=2 vibrational statef a@f ) (1985)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 82 (1985), S. 5-8 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The rotational spectrum of the V10=2 vibrational state of propyne was investigated in the 17–70 GHz region with a total of 18 lines measured. Rotational constants for the V10=2 state have been derived. The rotational constants for the V10=2, V10=1, and ground vibrational states have been compared and the constants of anharmonicity describing the change of B with the level of excitation of the V10 vibrational mode have been derived. The constants derived in this manner are quite different from those calculated by Meyer and Sergent-Rozey based on infrared data. An explanation for this discrepancy is given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.448736
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  • 4
    Electronic Resource
    Electronic Resource
    High-resolution VUV spectrometer/detector investigations of rare-earth pulsed plasma source (abstract) (1985)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 56 (1985), S. 868-868 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A 1.5-m grazing incidence spectrometer with a channel electron multiplier (CEMA) and electronic readout detector has been incorporated with a rare-earth target, pulsed plasma, continuum source. The spectrometer is compact and portable while maintaining high resolution. The CEMA detector consists of a single multichannel plate (MCP) with coned-shaped input pores which are cut at a 15-degree bias to improve efficiency at grazing angles. The source is a rare-earth plasma generated by a 10-J ruby laser producing intense continuum emission for wavelengths from 170 to 5 nm. This system will be used for both stationary and transient high-resolution atomic photoabsorption spectroscopy. The pulsed plasma source itself will be investigated for suitability as a radiometric transfer standard source. Preliminary results obtained with this integrated system will be discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1138077
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  • 5
    Electronic Resource
    Electronic Resource
    Determination of Oxygen Solubility in Liquid Foods Using a Dissolved Oxygen Electrode (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 53 (1988), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A rapid method for determining oxygen solubility in foods was introduced. Fructose, glucose, sucrose, orange juice, apple juice, grape juice, grapefruit juice, lemonade, and tomato juice had similar oxygen solubilities at comparable °Brix readings. The equation: In [ppm O2] = 2.63 − 0.0179 (°Brix) − 0.0190 (°C) estimated to within 5% the oxygen solubility of sugar solutions and fruit juices at temperatures between 4°C and 40°C. At likely food concentrations, citric acid, ascorbic acid, and NaCl reduced oxygen solubility by less than 10%. Tests for component interactions were also conducted. There was no measurable synergism or antagonism between fructose, glucose, and sucrose with or without organic acids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1988.tb09307.x
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  • 6
    Electronic Resource
    Electronic Resource
    The microwave spectrum of propyne in the 17 to 72 GHz region for the v9=2 vibrational state (1986)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 85 (1986), S. 6940-6944 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Some rotational components in the v9=2 vibrational state of propyne have been determined in the frequency range 17–72 GHz. Molecular constants for this vibrationally excited state have been determined from more than 11 observed rotational transitions. Experimentally measured frequencies are presented and compared with those calculated using the results of basic perturbation theory. A constant set was obtained for the v9=1 and v9=2 vibrationally excited levels using the experimental data obtained for the ground and these two vibrational levels. Agreement was found to be quite good for all except one component which may be perturbed by combination bands.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.451380
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  • 7
    Electronic Resource
    Electronic Resource
    Decommissioning of Commercial Nuclear Power Plants (1985)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Environment and Resources 10 (1985), S. 251-284 
    Details
    ISSN: 0362-1626
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.eg.10.110185.001343
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  • 8
    Electronic Resource
    Electronic Resource
    Capacitance properties in n-type AlxGa1−xAs (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 2414-2416 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The electrical properties of n-type AlxGa1−x As, for x〉0.2, are governed by deep donor states (formerly called DX centers) created by the isolated donor atoms. We have studied the capacitance properties of such layers for Si and Sn dopants. The meanings of the capacitance-voltage carrier profiling and of the capacitance dependence with temperature have been considered. The deep donor energy position with respect to the Γ minimum has been determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.102031
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  • 9
    Electronic Resource
    Electronic Resource
    Multiple quantum well optical waveguides with large absorption edge blue shift produced by boron and fluorine impurity-induced disordering (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 1373-1375 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Impurity-induced disordering of GaAs/AlGaAs multiple quantum well waveguide structures has been carried out using the neutral impurities boron and fluorine, introduced by ion implantation and followed by thermal annealing. Substantial blue shifts (up to 100 meV) in the absorption edge have been obtained and, for similar conditions, fluorine-induced disordering produces larger shifts than boron-induced disordering. Optical transmission measurements performed in slab and rib waveguides indicate that the additional contribution to the absorption coefficient associated with boron disordering is 15 dB cm−1 and with fluorine disordering is only 6 dB cm−1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101597
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  • 10
    Electronic Resource
    Electronic Resource
    A new regiospecific synthesis of enol boranes of methyl ketones (1987)
    s.l. : American Chemical Society
    The @journal of organic chemistry 52 (1987), S. 1347-1349 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo00383a035
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