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  • American Institute of Physics (AIP)  (142)
  • Blackwell Publishing Ltd
  • Copernicus
  • 1
    Electronic Resource
    Electronic Resource
    Determination of the equation of state and heat capacity of argon at high pressures from speed-of-sound data (1991)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 94 (1991), S. 2130-2135 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: A method is developed for the simultaneous determination of the equation of state and heat capacity of a gas over a wide range of pressure and temperature. This is based on stepwise construction of pT isochores starting from one experimental reference pV isotherm and using speed-of-sound data of the gas as a function of pressure and temperature. The application of the method is illustrated by computing the density and heat capacity of argon at temperatures from 148.15 to 298.15 K and at pressures from 100 to 1000 MPa. In the region of overlap, the calculated densities are found to be in good agreement with those obtained previously from direct measurements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.459936
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  • 2
    Electronic Resource
    Electronic Resource
    Apparatus for sound velocity measurements in gases up to 10 kbar: Experimental data for argon (1985)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 56 (1985), S. 1269-1273 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: An apparatus for the measurement of sound velocity in gases up to pressures of 10 kbar and down to temperatures of 77 K is described. Important features of the experimental setup include a specially designed ultrasonic cell with double reflectors, based on the phase comparison pulse-echo technique, and a vacuum type of cryostat using a cold finger system for temperature control. Detailed measurements on argon down to the melting line show that the method is capable of giving a precision of 0.02% for the sound velocity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1137990
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  • 3
    Electronic Resource
    Electronic Resource
    Stretch dynamics of flexible dendritic polymers in solution (2001)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 114 (2001), S. 2430-2441 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We study the stretch dynamics of flexible dendritic polymers (dendrimers and stars) under external forces. We work in the framework of the bead-spring model with hydrodynamic interactions (HI) and take spacers of different length into account. The applied fields may, e.g., be of mechanical or electrical origin. We study the motion of a specific monomer, the time evolution of the stretch (the mean distance of the monomer on which the force acts from the center of mass of the polymer) and also the elastic moduli. We analyze how these dynamic properties depend on the underlying topology, i.e., on the number of generations for dendrimers and the length and number of branches for stars. As a special point we assess in how far the HI method utilized here (the Kirkwood–Riseman scheme) is stable for dendritic structures. Characteristic for the topology is the intermediate dynamics (between short and long times). It turns out that, different from stars, for dendrimers the stretch dynamics is for intermediate times close to logarithmic; hence the crossover in behavior at intermediate times is characteristic of the polymer's topology. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1334660
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  • 4
    Electronic Resource
    Electronic Resource
    Adherence of Vibrio parahaemolyticus to rabbit intestinal epithelial cells in vitro (1991)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 84 (1991), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Kanagawa positive strains of Vibrio parahaemolyticus showed adherence whereas most of the Kanagawa negative strains were non-adhering to rabbit intestinal epithelial cells. Anti-hemolysin antisera did not inhibit the adherence of V. parahaemolyticus strains. Moreover, the adhesive capacity of non-adhering strains was not enhanced by purified hemolysin. Cell surface hydrophobicity remained the same in both Kanagawa positive and negative strains of V. parahaemolyticus. Fetuin strongly inhibited the adherence to rabbit intestinal epithelial cells followed by -mannose and d-glucose.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1991.tb04579.x
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  • 5
    Electronic Resource
    Electronic Resource
    Natural killer activity against human K562 tumour cells during Plasmodium cynomolgi malarial infection of rhesus monkeys (1990)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 64 (1990), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract This study assessed the natural killer (NK) cell activity profile during Plasmodium cynomologi infection in rhesus monkeys. There was a significant decrease in the NK cell activity in the peripheral blood leukocytes of infected monkeys during the early, asending phase of infection. However, as the parasite load decreased, NK cell activity returned to normal levels. This could be correlated with the peak increase in lymphocyte counts. This indicated that a decrease in NK cell activity observed at an earlier stage during an active P. vivax malarial infection was a temporary phenomenon.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1990.tb03510.x
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  • 6
    Electronic Resource
    Electronic Resource
    Enhanced expression of Plasmodium falciparum heat shock protein PFHSP70-I at higher temperatures and parasite survival (1994)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 124 (1994), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The effect of various body temperatures, encountered during malaria fever, on the synthesis of Plasmodium falciparum heat-shock protein called PFHSP70-I and parasite growth rates among five different isolates are described. The results show that after the exposure of parasites at 39°C for 30 min the amount of PFHSP70-I in all five isolates increased markedly and significantly, whereas parasite growth rates and the amount of total blood stage antigens remained almost unaffected. This indicates that the PFHSP70-I gene responds to heat-shock by producing higher amounts of PFHSP70-I protein, presumably to protect the parasite from being killed during malaria fever.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1994.tb07319.x
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  • 7
    Electronic Resource
    Electronic Resource
    Gene Amplification by Polymerase Chain Reaction for Detection of Ehrlichia risticii DNA in Potomac Horse Fever (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 590 (1990), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1990.tb42269.x
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  • 8
    Electronic Resource
    Electronic Resource
    SOCIO-ECONOMIC CONSIDERATIONS IN WATER RESOURCES PLANNING (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 9 (1973), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Historically, the main objective of water resources development has been economic efficiency, and the technique for its evaluation has been benefit-cost analysis. Gradually other objectives have emerged, and these in order of their emergence are regional income redistribution, environmental quality and social well-being. These multi-objectives have given rise to multifarious problems, and have made the planning process much more complex than ever before. The different objectives are not mutually exclusive, and, hence, contributions to one can only be made at the expense of others. Trade-off studies between different objectives are difficult to make. It is suggested that one way to overcome this difficulty could be to design a system to perform optimally in terms of one objective, subject to a specified level of performance of the other, which in effect becomes a constraint. The paper also discusses the pros and cons of the desirability of public participation in our decision-making processes, and the necessity of developing social sciences models to aid water planning and management.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1973.tb01797.x
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  • 9
    Electronic Resource
    Electronic Resource
    SOCIOLOGICAL ASPECTS OF WATER DEVELOPMENT (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 7 (1971), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Decisions to develop water resources systems so far have been primarily taken on the basis of engineering and economic feasibilities. Very rarely, if ever, sociological feasibility has been considered, except in a very broad sense. Planning is for the people, and it should improve the quality of life. Hence, it is argued that water resources decisions ought to be primarily social ones, and that the success or failure of any resource development should not only be judged by its techno-economic excellence but also by its impact on people.Water resources planning process is discussed, and the difficulties associated with the evaluation of sociological feasibility of projects are enumerated. The social consequences of water development projects are traced through planning, construction, operation and management impacts. Finally, it is suggested that the foremost factor in the success of any water management program is the public understanding and acceptance of that program.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1971.tb05051.x
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  • 10
    Electronic Resource
    Electronic Resource
    Advances in Hydroscience, Vol. 5, edited by Ven Te Chow. Academic Press, Inc., New York, New York. (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 7 (1971), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1971.tb05031.x
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