The solubility of ammonia in ethylene glycol is measured by an isothermal solubility equilibrium method at temperatures of （303.2, 308.2, 313.2, 318.2 and 323.2） K and total pressures of （0.030, 0.040, 0.050, 0.060...The solubility of ammonia in ethylene glycol is measured by an isothermal solubility equilibrium method at temperatures of （303.2, 308.2, 313.2, 318.2 and 323.2） K and total pressures of （0.030, 0.040, 0.050, 0.060, 0.070, 0.080, 9.090 and 0.101） MPa. The molality of ammonia in ethylene glycol ranges from 1.925 mol·kg-1 to 8.265 mol·kg-1. The experimental results are used to determine Henry＇s law constant of ammonia in ethylene glycol Furthermore, experimental data are correlated by applying the thermodynamic model on the basis of extended Raoult＇s law, extended Henry＇s law, corresponding-states correlations and Pitzer＇s molality scale based equation. The overall average relative deviation between the calculated data and the experimental data of Henry＇s law constant and ammonia solubility are 2.029% and 2.164% respectively.展开更多
AIM： To determine the correlation of Adjusted Blood Requirement Index （ABRI） with the 7th day outcome in patients presenting with acute variceal bleeding.METHODS： All patients presenting with acute variceal hemorr...AIM： To determine the correlation of Adjusted Blood Requirement Index （ABRI） with the 7th day outcome in patients presenting with acute variceal bleeding.METHODS： All patients presenting with acute variceal hemorrhage （AVH） were included. Patients with previous band ligation, sclerotherapy, gastrointestinal or hepatic malignancies were excluded. Patients were managed as per standard protocol for AVH with terlipressin and band ligation. ABRI scores were calculated using the formula outcome of alive or expired up to the 7th day after treatment. The correlation between ABRI and mortality was estimated and a receiver operative characteristic （ROC） curve was plotted.RESULTS： A total of 113 patients （76 male; 37 female） were included. On assessment, 18 were in Child＇s Pugh Class A, 82 in Class B and 13 were in Class C. The median number of blood units transfused ± inter-quartile range was 3.0 ± 2.0. The median ± inter-quartile range for ABRI was 1.3 ± 1.1. The ROC curve of ABRI for expiry showed a significantly large area of 0.848 （P 〈 0.0001; 95% CI： 0.75-0.95）. A significant correlation of log transformation of ABRI with an outcome of mortality was present （P 〈 0.0001）.展开更多
This research was performed in order to allow the study of the chemical composition influence of the coking process load on the efficiency and the quality of coke. For this reason, the coking of the following loads wa...This research was performed in order to allow the study of the chemical composition influence of the coking process load on the efficiency and the quality of coke. For this reason, the coking of the following loads was realized： Atmospheric residue （RAT）, vacuum Residue （RSV） and catalytic Residue of cracking （RCC）. （The residues are obtained from an Algerian crude oil）. As the oil residues are rich for their strongly polar composition, such as the asphaltene resins, and complex structures units （SCU）, which has a role in the formation of coke, and as the dispersion of these latter improves the quality of coke, a study on the stability of aggregation was carried out by the addition of one stabilizer （oil Extract） in the coking process load, The Compounding （Extracted from/RCC oil） has been drived to the best efficiency of coke. The study consists of the influence this is characterized by the analyses Infra-red （IR） and x-ray diffraction （XRD）.展开更多
基金Supported by the National Natural Science Foundation of China(21176189)the Natural Science Foundation of Tianjin City(11JCZDJC24300)
文摘The solubility of ammonia in ethylene glycol is measured by an isothermal solubility equilibrium method at temperatures of （303.2, 308.2, 313.2, 318.2 and 323.2） K and total pressures of （0.030, 0.040, 0.050, 0.060, 0.070, 0.080, 9.090 and 0.101） MPa. The molality of ammonia in ethylene glycol ranges from 1.925 mol·kg-1 to 8.265 mol·kg-1. The experimental results are used to determine Henry＇s law constant of ammonia in ethylene glycol Furthermore, experimental data are correlated by applying the thermodynamic model on the basis of extended Raoult＇s law, extended Henry＇s law, corresponding-states correlations and Pitzer＇s molality scale based equation. The overall average relative deviation between the calculated data and the experimental data of Henry＇s law constant and ammonia solubility are 2.029% and 2.164% respectively.
文摘AIM： To determine the correlation of Adjusted Blood Requirement Index （ABRI） with the 7th day outcome in patients presenting with acute variceal bleeding.METHODS： All patients presenting with acute variceal hemorrhage （AVH） were included. Patients with previous band ligation, sclerotherapy, gastrointestinal or hepatic malignancies were excluded. Patients were managed as per standard protocol for AVH with terlipressin and band ligation. ABRI scores were calculated using the formula outcome of alive or expired up to the 7th day after treatment. The correlation between ABRI and mortality was estimated and a receiver operative characteristic （ROC） curve was plotted.RESULTS： A total of 113 patients （76 male; 37 female） were included. On assessment, 18 were in Child＇s Pugh Class A, 82 in Class B and 13 were in Class C. The median number of blood units transfused ± inter-quartile range was 3.0 ± 2.0. The median ± inter-quartile range for ABRI was 1.3 ± 1.1. The ROC curve of ABRI for expiry showed a significantly large area of 0.848 （P 〈 0.0001; 95% CI： 0.75-0.95）. A significant correlation of log transformation of ABRI with an outcome of mortality was present （P 〈 0.0001）.
文摘This research was performed in order to allow the study of the chemical composition influence of the coking process load on the efficiency and the quality of coke. For this reason, the coking of the following loads was realized： Atmospheric residue （RAT）, vacuum Residue （RSV） and catalytic Residue of cracking （RCC）. （The residues are obtained from an Algerian crude oil）. As the oil residues are rich for their strongly polar composition, such as the asphaltene resins, and complex structures units （SCU）, which has a role in the formation of coke, and as the dispersion of these latter improves the quality of coke, a study on the stability of aggregation was carried out by the addition of one stabilizer （oil Extract） in the coking process load, The Compounding （Extracted from/RCC oil） has been drived to the best efficiency of coke. The study consists of the influence this is characterized by the analyses Infra-red （IR） and x-ray diffraction （XRD）.
