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  • 1
    Digitale Medien
    Digitale Medien
    Prediction of saturated liquid viscosity for some halocarbon refrigerants based on the van der Waals model (1994)
    Springer
    International journal of thermophysics 15 (1994), S. 567-571 
    Details
    ISSN: 1572-9567
    Schlagwort(e): close-packed volume ; halocarbon ; saturated liquid ; van der Waals model ; viscosity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The viscosity data of saturated liquid halocarbon refrigerants are satisfactorily predicted by a method based on the hard-sphere theory of transport properties. The hard-sphere close-packed volume can be correlated with Bondi's hardsphere volume. The absolute average deviations between calculated and experimental values for 15 halocarbon refrigerants are 6.3%. It is found that the proposed method can give better results than the previous methods proposed by Gordon et al., Li and Poole, and Srinivasan and Murthy.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01563714
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Viscosity of Gaseous HFC-143a (1,1,1-trifluoroethane) Under High Pressures (1999)
    Springer
    International journal of thermophysics 20 (1999), S. 435-443 
    Details
    ISSN: 1572-9567
    Schlagwort(e): corresponding states ; HFC-143a ; viscosity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The viscosity of gaseous HFC-143a(1,1,1-trifluoroethane) was measured with an oscillating-disk viscometer of the Maxwell type at temperatures from 298.15 to 423.15 K and at pressures up to the saturated vapor pressure at each temperature under subcritical conditions or up to 9 MPa under supercritical conditions. Intermolecular potential parameters of HFC-143a for the extended corresponding states were determined from the viscosity data at 0.1 MPa. An empirical viscosity equation as functions of temperature and density is proposed to interpolate the present experimental results.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1022696702673
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  • 3
    Digitale Medien
    Digitale Medien
    Viscosity of Gaseous HFC-125 (Pentafluoroethane) Under High Pressures (1999)
    Springer
    International journal of thermophysics 20 (1999), S. 445-453 
    Details
    ISSN: 1572-9567
    Schlagwort(e): corresponding states ; HFC-125 ; oscillating-disk viscometer ; viscosity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract This paper reports experimental results lor the viscosity of gaseous HFC-125 (pentafluoroethane) under high pressures. The measurements were carried out with an oscillating-disk viscometer of the Maxwell type at temperatures from 298.15 to 423.15 K and at pressures up to the saturated vapor pressures at each temperature at subcritical conditions or up to 9 MPa at supercritical temperatures. Intermolecular scaling parameters of HFC-125 for the extended corresponding states were determined from the viscosity data at 0.1 MPa. An empirical viscosity equation is proposed to interpolate the present experimental results as a function of temperature and density.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1022648819511
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  • 4
    Digitale Medien
    Digitale Medien
    Revised Viscosities of Saturated Liquid Halocarbon Refrigerants from 273 to 353 K (2000)
    Springer
    International journal of thermophysics 21 (2000), S. 909-912 
    Details
    ISSN: 1572-9567
    Schlagwort(e): halocarbons ; refrigerants ; saturated liquid ; vapor buoyancy effect ; viscosity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract This paper presents revised saturated liquid viscosities for 15 halocarbon refrigerants, that is, R11, R12, R22, R13B1, R152a, R113, R123, R123a, R143a, R114, R134a, R141b, R142b, R225ca, and R225cb, reported in our previous papers [1, 2], in which the vapor buoyancy correction for the sealed capillary viscometer was not applied. The maximum corrections amount to from 1.2% for R225cb to 17.4% for R143a. The erroneous data in our previous papers should be considered obsolete except for the low-vapor density refrigerants R11, R123, R123a, R113, R141b, R225ca, and R225cb, for which the maximum correction is 2.4%.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1006666308831
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Viscosity of Gaseous HCFC-123 (2,2-Dichloro-1,1,1-Trifluoroethane) in the Temperature Range from 323.15 to 423.15 K and at Pressures up to 2 MPa (2000)
    Springer
    International journal of thermophysics 21 (2000), S. 695-701 
    Details
    ISSN: 1572-9567
    Schlagwort(e): HCFC-123 ; viscosity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The viscosity of gaseous HCFC-123 (2,2-dichloro-1,1,1-trifluoroethane) was measured with an oscillating-disk viscometer of the Maxwell type at temperatures from 323.15 to 423.15 K and at pressures up to the saturated vapor pressure at each temperature in subcritical conditions or up to 2 MPa under supercritical conditions.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1006641502777
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Viscosity of nitrous oxide in the critical region (1994)
    Springer
    International journal of thermophysics 15 (1994), S. 603-626 
    Details
    ISSN: 1572-9567
    Schlagwort(e): critical anomaly ; mode-coupling theory ; nitrous oxide ; viscosity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The gaseous viscosity of nitrous oxide (N2O) was measured in the critical region. The experimental temperature range was between 309.650 and 318.150 K and the pressure range was up to 9.6 MPa. The measurements were obtained with an oscillating-disk viscometer, combined with local determination of the density at the position of the oscillating disk, and they have an estimated accuracy of 0.6 % for viscosity and 0.5 % for gas density. The viscosity of N2O exhibits an anomalous increase near the critical point. The anomalous increase in viscosity was analyzed with the viscosity equation proposed by Basu and Sengers.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01563790
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  • 7
    Digitale Medien
    Digitale Medien
    Liquid Viscosity of Binary Mixtures of Methanol with Ethanol and 1-Propanol from 273.15 to 333.15 K (1998)
    Springer
    International journal of thermophysics 19 (1998), S. 3-13 
    Details
    ISSN: 1572-9567
    Schlagwort(e): ethanol ; methanol ; mixtures ; 1-propanol ; viscosity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The liquid viscosities and densities of two binary mixtures of methanol with ethanol and 1-propanol were measured in the temperature range from 273.15 to 333.15 K with a capillary viscometer and a glass pycnometer, respectively. The uncertainties in the measured viscosities were estimated to be smaller than 1.3%. The experimental viscosity values could be fitted to the Mertsch and Wolf equation within 2%.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1021438800094
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  • 8
    Digitale Medien
    Digitale Medien
    Viscosity of Gaseous HFC-134a (1,1,1,2-Tetrafluoroethane) Under High Pressures (1998)
    Springer
    International journal of thermophysics 19 (1998), S. 1285-1295 
    Details
    ISSN: 1572-9567
    Schlagwort(e): HFC-134a ; Lennard–Jones potential ; viscosity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The viscosity of gaseous HFC-134a (1,1,1,2-tetrafluoroethane) was measured with an oscillating disk viscometer of the Maxwell type from 298.15 to 398.15 K at pressures up to 5.5 MPa. Intermolecular potential parameters for the Lennard–Jones 12-6 model were determined from the viscosity data at 0.1 MPa. The viscosity equation developed by Krauss et al. was applied to correlate the present viscosity data. In addition, the correlations proposed by Stiel and Thodos and by Lee and Thodos were tested for fitting the experimental viscosity data.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1021919215793
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  • 9
    Digitale Medien
    Digitale Medien
    Viscosity of Aqueous Solutions of CO2 at High Pressures (1998)
    Springer
    International journal of thermophysics 19 (1998), S. 1315-1323 
    Details
    ISSN: 1572-9567
    Schlagwort(e): carbon dioxide ; Flory's theory ; viscosity ; water
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Experimental viscosity measurements of aqueous solutions of CO2 along three isotherms at 273, 276, and 278 K for pressures up to 30 MPa are reported. The measurements have been carried out in a falling capillary viscometer and have an estimated uncertainty of ±1.5%. The experimental values were compared with the correlation proposed by Kanti et al. derived from Flory's theory. The equation is in poor agreement with the experimental values, but the equations of Kanti et al. and of Grunberg and Nissan with one adjustable parameter yield good agreement with the experimental data.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1021923316701
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  • 10
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    Unbekannt
    Global efforts in structural genomics (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2001-10-06
    Beschreibung: A worldwide initiative in structural genomics aims to capitalize on the recent successes of the genome projects. Substantial new investments in structural genomics in the past 2 years indicate the high level of support for these international efforts. Already, enormous progress has been made on high-throughput methodologies and technologies that will speed up macromolecular structure determinations. Recent international meetings have resulted in the formation of an International Structural Genomics Organization to formulate policy and foster cooperation between the public and private efforts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stevens, R C -- Yokoyama, S -- Wilson, I A -- P50 GM62411/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2001 Oct 5;294(5540):89-92.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Joint Center for Structural Genomics, Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11588249" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Computational Biology ; Congresses as Topic ; Costs and Cost Analysis ; Crystallography, X-Ray ; Databases, Factual ; *Genomics ; Guidelines as Topic ; Humans ; Information Management ; Information Services ; International Cooperation ; Internet ; Nuclear Magnetic Resonance, Biomolecular ; Patents as Topic ; Private Sector ; *Protein Conformation ; Protein Folding ; Proteins/*chemistry ; *Proteome ; Public Sector ; Publishing ; Technology Transfer
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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