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| 1 | Volumetric and Transport Properties of Aqueous NaB(OH)4 Solutions显示文摘Density,pH,viscosity,conductivity and the Raman spectra of aqueous NaB(OH)4 solutions precisely measured as functions of concentration at different temperatures(293.15,298.15,303.15,313.15 and 323.15 K) are presented.Polyborate distributions in aqueous NaB(OH)4 solution were calculated,covering all the concentration range,4B(OH) is the most dominant species,other polyborate anions are less than 5.0%.The volumetric and the transport properties were discussed in detail,both of these properties indicate that4B(OH) behaves as a structure-disordered anion. | 周永全 房春晖 房艳 朱发岩 | 2013 | Chinese Journal of Chemical Engineering2013，21，9： | 3 |
| 2 | Ultrasonic Studies of 4-Aminobutyric Acid in Aqueous Salbutamol Sulphate Solutions at Different Temperatures显示文摘Ultrasonic speeds of 4-aminobutyric acid in 0.0041,0.0125 and 0.0207 mol·kg-1 aqueous salbutamol sulphate(SBS) solutions are measured at 308.15,313.15 and 318.15 K.Isentropic compressibility kS,change in isentropic compressibility△k S,relative change in isentropic compressibility( 0 S S △k /k) ,apparent molal compressibility kφ,limiting apparent molal compressibility k0 φ,transfer limiting apparent molal compressibility k0 φ,hydration number nH,pair and triplet interaction parameters kAS,kASS are estimated.The above parameters are used to interpret the solute-solute and solute-solvent interactions of 4-aminobutyric acid in the aqueous salbutamol sulphate solutions. | K.Rajagopal S.S.Jayabalakrishnan | 2010 | Chinese Journal of Chemical Engineering2010，18，4： | 2 |
| 3 | Study on Excess Thermodynamic Parameters and Theoretical Estimation of Ultrasonic Velocity Using Scaled Particle Theory in Binary Liquid Mixtures of 2-Methyl-2-propanol and Nitriles at Different Temperatures显示文摘Density, ρ, ultrasonic speed, u, and viscosity, η, of binary mixtures of 2-methyl-2-propanol (2M2P) with acetonitrile (AN), propionitrile (PN) and butyronitrile (BN) including those of pure liquids are measured over the entire composition range at temperatures 298.15, 303.15 and 308.15 K. From these experimental data, the excess available volume, E a V , excess free volume, E f V , excess isothermal compressibility, E T β , excess thermal expansion coefficient, E α , and excess internal pressure, E i π , are calculated. The variation of these properties with composition and temperature are discussed in terms of molecular interactions between unlike molecules of the mixtures. It is found that the values of E a V , E f V , E T β and E α are positive and those of E i π are negative for all the mixtures at each temperature studied, indicating the presence of weak interactions between 2M2P and AN/PN/BN molecules. The variations of E a V , E f V , E T β , E α and E i π values with composition indicate that the interactions in these mixtures follow the order: AN | K. Rajagopal S. Chenthilnath | 2010 | Chinese Journal of Chemical Engineering2010，18，5： | 1 |
| 4 | Effect of Temperature on Volumetric and Viscometric Properties of Homologous Amino Acids in Aqueous Solutions of Metformin Hydrochloride显示文摘密度() 并且粘性() 为 glycine 被测量, DL -- 丙氨酸 DL -- 缬氨酸,和 DL -- 在 0.05, 0.10, 0.15 和 0.20 | K.Rajagopal S.S.Jayabalakrishnan | 2010 | Chinese Journal of Chemical Engineering2010，18，3： | 0 |
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