Results 131 to 140 of about 4,570 (177)
Evaluating the Benefit of a Urogynecologic Telehealth Consultation after Obstetric Anal Sphincter Injury. [PDF]
Int Urogynecol JBonasia K, Luong S, Stairs J, Clancy A.
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International Journal of Refrigeration, 2021
Abstract In this paper, an experimental apparatus based on a Calvet calorimeter (SETARAM BT2.15) was setup to measure the solid – liquid equilibrium for trifluoromethane (R23) plus difluoromethane (R32) binary system. The melting points of some pure alkanes and hydrofluorocarbons were measured to verify the accuracy of the apparatus, revealing a good
Yanxing Zhao +2 more
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Abstract In this paper, an experimental apparatus based on a Calvet calorimeter (SETARAM BT2.15) was setup to measure the solid – liquid equilibrium for trifluoromethane (R23) plus difluoromethane (R32) binary system. The melting points of some pure alkanes and hydrofluorocarbons were measured to verify the accuracy of the apparatus, revealing a good
Yanxing Zhao +2 more
exaly +2 more sources
Virial Coefficients From Burnett Measurements for the R23 + N2O System
International Journal of Thermophysics, 2006This paper presents experimental results for the trifluoromethane (R23) + nitrous oxide (N2O) system, which has been chosen as a working fluid for low-temperature applications since it might be a valid option for the low-temperature stage in a cascade cycle.
Francesco Corvaro +2 more
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Cascade Refrigeration System: R404a-R23 Refrigerant
Asian Journal of Electrical Sciences, 2017This study is presented a cascade refrigeration system using as refrigerant (R23) in low-temperature circuit and R404a in high-temperature circuit. The operating parameters considered in this paper include superheating, condensing, evaporating, and sub cooling temperatures in the refrigerant (R404a) high temperature circuit and in the refrigerant (R23))
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CO2 + R23 Binary System: Virial Coefficients Derived From Burnett Measurements
International Journal of Thermophysics, 2003Burnett PVT measurements were performed on trifluoromethane (R23) and mixtures of R23 with carbon dioxide (CO2). The Burnett apparatus was calibrated using helium. Fourteen expansions were performed for 5 isotherms and in a pressure range from 130 kPa to 6 MPa for R23.
R Stryjek, G di Nicola, G Giuliani
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Influence of Ultrasound on Pool Boiling Heat Transfer to Mixtures of the Refrigerants R23 and R134A
International Journal of Refrigeration, 1997The effect of ultrasound on pool boiling heat transfer to mixtures of the refrigerants R23 and R134a has been investigated in a wide range of heat flux and saturation pressure. The enhancement of the heat transfer coefficient, which can be achieved by ultrasound, is much more pronounced for mixtures than for pure substances.
Bonekamp, Stefan, Bier, Konrad
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Nonanalytical unified equation of state of freezant R23
Journal of Engineering Physics and Thermophysics, 1994A unified equation of state of freezant R23 is obtained that adequately describes a thermodynamic surface both in the region of low densities and pressures and in the vicinity of a critical point.
V. F. Lysenkov +3 more
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Isochoric measurements of the R23 + CO2 binary system
Fluid Phase Equilibria, 2003Abstract Isochoric measurements were taken for the R23+CO 2 system for both the two-phase and the superheated vapor regions. The isochoric experiment covered a temperature range from 253 to 353 K and a pressure range from 1590 to 5880 kPa. The data in the two-phase region enabled VLE parameters to be derived using a flash method with the Carnahan ...
G. Di Nicola +3 more
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Effect of infection with R23 on DNA and RNA synthesis in Escherichia coli
Canadian Journal of Microbiology, 1971Infection of Escherichia coli by R23 results in a marked inhibition of rRNA synthesis. Both 16 S and 23 S RNA are inhibited with maximal inhibition occurring at 30 min. Inhibition of 4 S RNA is not as profound. DNA synthesis is also inhibited after R23 infection although infected cells continue to divide for about one generation (45–60 min) after ...
H, Watanabe, M, Watanabe
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