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  • 1
    Electronic Resource
    Electronic Resource
    Influence of velocity slip and temperature difference on internal relaxation in diatomic–monatomic mixture free-jet expansion (1991)
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 3 (1991), S. 1991-1999 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The supersonic expansion of a mixture of a heavy gas and a light gas may result in a velocity slip and a temperature difference between light and heavy species. The purpose of this paper is to study the influence of these phenomena on the relaxation of internal degrees of freedom which takes place when one of the gases is a diatomic one. The model presented is based on the Wang–Chang–Uhlenbeck theory and on the assumption of a two-velocity and two-temperature model to represent the velocity distributions. The model incorporates the internal degrees of freedom of the diatomic molecule and can be used to study the effect of velocity slip and temperature difference on the mechanism of internal energy transfer involved in a free-jet expansion. The hydrodynamical equations and the master kinetic equations are derived. The formalism is applied to the system I2–He, assuming that a rotational temperature and a relaxation equation to describe the rotational relaxation can be defined. The unexpected high rotational temperatures observed experimentally in I2–He expansions presenting a velocity slip are reproduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.857931
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  • 2
    Electronic Resource
    Electronic Resource
    Magnetic field and susceptibility logging in GPF3 borehole at Couy (France) between 0 and 3500 m (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 101 (1990), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: The aim of the Couy experiment in the ‘Géologie Profonde de la France’ programme was to reach the source body of the magnetic anomaly of the ‘Bassin de Paris'. The drilling stopped at 3500 m. Magnetic field logging and susceptibility logging were undertaken to obtain as complete a description as possible of the magnetic parameters of rocks crossed by the borehole. Remanent magnetization and susceptibility measurements on the core were also carried out. The entire set of results is presented in this paper for both sedimentary layers and the basement. The values obtained for magnetic field variations and for susceptibility lead to the conclusion that the magnetic source body of the AMBP was not reached.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1990.tb00759.x
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  • 3
    Electronic Resource
    Electronic Resource
    Ham, Christopher: Managing Health Services: Health Authority Members in Search of a Role : Bristol, School for Advanced Urban Studies, 1986 (1990)
    Cambridge : Cambridge University Press
    Journal of social policy 19 (1990), S. 129-130 
    Details
    ISSN: 0047-2794
    Source: Cambridge Journals Digital Archives
    Topics: Political Science , Sociology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1017/S0047279400017955
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  • 4
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    The Development of Criminology in Britain 1948-1960 (1988)
    London : Periodicals Archive Online (PAO)
    British Journal of Criminology, Delinquency and Deviant Social Behaviour. 28:2 (1988:Spring) 165 
    Details
    ISSN: 0007-0955
    Topics: Law
    Notes: A HISTORY OF BRITISH CRIMINOLOGY
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:4065-1988-028-02-000004
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  • 5
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    MITCHELL, B., "Murder and Penal Policy" (Book Review) (1992)
    London : Periodicals Archive Online (PAO)
    British Journal of Criminology, Delinquency and Deviant Social Behaviour. 32 (1992) 387 
    Details
    ISSN: 0007-0955
    Topics: Law
    Notes: BOOK REVIEWS
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:4065-1992-032-00-000073
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  • 6
    Electronic Resource
    Electronic Resource
    Elemental, functional infrared and free radical characterization of humic acid-type fungal polymers (melanins) (1987)
    Springer
    Biology and fertility of soils 5 (1987), S. 120-125 
    Details
    ISSN: 1432-0789
    Keywords: Fungal melanins ; Humic acid ; Infrared analysis ; Free radicals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Humic acid-type polymers (melanins) synthesized in culture media by the fungi Aspergillus glaucus, Eurotium echinulatum, Hendersonula toruloidea, Stachybotrys atra and Aspergillus sydowi were analysed for elemental composition, functional group content, infrared (IR) and electron spin resonance (ESR) properties. Results were discussed in comparison with range values referred for soil humic acids. The fungal polymers showed significant differences in carboxyl and nitrogen content and C/H atomic ratios, reflecting a different degree of condensation (aromaticity) among the various samples. IR analysis gave evidence of: (a) the predominant aromatic character of melanins from A. glaucus, E. echinulatum and H. toruloidea; (b) the high content of aliphatic and olefinic components of S. atra melanin; (c) the typical presence of amide bonds in the nitrogen-richest melanins from A. sydowi and H. toruloidea; and (d) the generally low amount of free carboxyl groups, which often appeared involved in hydrogen bonds. ESR spectra showed that all the melanins studied contained appreciable concentrations of organic free radicals of prevailing semiquinonic nature and of the same order of magnitude commonly measured in humic acids from soil and other sources. The free electron concentration was shown to be directly related to the C/H atomic ratio and to the degree of aromaticity shown by IR analysis. This indicated that the highest free radical content in the melanins from E. echinulatum and A. glaucus was associated with the highest presence of condensed aromatic structures. Humic acid-type polymers synthesized by soil fungi may, therefore, contribute to the total free radical content of soil humic substances and play important roles in all reactions involving free radicals in soils and related environments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00257646
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  • 7
    Electronic Resource
    Electronic Resource
    Temperature-sensitive mutants of mouse hepatitis virus type 3 (MHV-3): isolation, biochemical and genetic characterization (1988)
    Springer
    Archives of virology 100 (1988), S. 147-160 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Mouse hepatitis virus 3 (MHV-3) is highly hepatotropic in sensitive mice. Temperature-sensitive mutants (ts mutants) induced by N-methyl-N′-nitrosoguanidine and 5-fluorouracil were isolated. Twelve mutants which were able to induce the formation of syncytia at 33°C but not at the restrictive temperature (39.5°C) were selected for detailed study. No viral RNA synthesis was detected after infection at the restrictive temperature with six of the mutants (RNA−) whereas six others were RNA+, although they displayed RNA synthesis which was generally reduced. No differences have been detected in the size of the genome or the viral-intracellular RNA species found in wild type virus or ts mutant infected cells at permissive temperature. The pattern of virus-induced proteins analyzed after immunoprecipitation by SDS-PAGE was similar in wild type virus and RNA+ mutant infected cells at 39.5°C. Complementation experiments between ts mutants enabled us to distinguish five groups. Three of the groups contained RNA− mutants and two of them RNA+. Plaques made by mutants in one group displayed characteristic features that distinguished them from the wild type.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01487679
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  • 8
    Electronic Resource
    Electronic Resource
    Counter jet stagnation flows (1991)
    Springer
    Experiments in fluids 11 (1991), S. 313-324 
    Details
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The present paper concerns the stagnation flow produced by counter flowing air jets. Little experimental information exists on such flows in spite of their extensive employment in the theoretical treatment of diffusion flames. To remedy this situation, laser-Doppler measurements were performed to quantify the entire flow field. The experiments are described and the results of the velocity measurements presented. Differences between the investigated flow field and the ideal flow field, employed in theoretical studies, are pointed out.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00194863
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  • 9
    Electronic Resource
    Electronic Resource
    Laser beam deviation as a local density probe (1989)
    Springer
    Experiments in fluids 7 (1989), S. 303-308 
    Details
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract In axisymmetric flows, we show that the laser beam deviation technique can be associated with an Abel inversion calculation in order to give the local density and its gradients. We report density profile measurements in the different regions (zone of silence and barrel shock) of nitrogen and argon supersonic free jets near the nozzle exit. Three different nozzle geometries have been tested at different stagnation pressures. Results are compared to calculations obtained by the method of characteristics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00198448
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  • 10
    Electronic Resource
    Electronic Resource
    Detection by the polymerase chain reaction of two polymorphisms in exon 14 of the human inter-α-trypsin inhibitor heavy chain H1 gene (1994)
    Springer
    Human genetics 〈Berlin〉 93 (1994), S. 91-92 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Two polymorphisms were detected within exon 14 of the inter-alpha-trypsin inhibitor heavy chain H1 (ITIH1) gene. The polymorphisms are detected by digesting the same 202-bp polymerase reaction product with the PstI and HphI restriction endonucleases. These gene polymorphisms lead to the change of two amino acids in the mature protein. The polymorphisms can be used for the analysis of 3p21 deletion in human carcinomas as well as to develop a better understanding of the protein polymorphism already described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00218925
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