Search

Elevation of aminotransferase could be seen in children with various diseases. Early diagnosis and etiological treatment could improve the prognosis of some diseases and reduce liver injury, so early diagnosis plays a crucial role for treatment. In this paper, diagnosis and differential diagnosis of the diseases which have the elevation of aminotransferase in children are briefly induced in order to improve pediatricians' understanding of elevated aminotransferase in children. [ABSTRACT FROM AUTHOR]

Effect of naphthalene series and lignin series dispersants on the sedimentation of coal particles and the stability of coal water slurry (CWS) were investigated using the multiple light scattering technique of Turbiscan Lab stability analyzer. The results show that coalescence between coal particles is the direct factor which causes differential sedimentation, and influences the stability of CWS. The variation of backscattering luminous flux is lower than 0.9%, and the CWS does not produce hard sedimentation in seven days. The average size of coal particle increases gradually along with the extension of standing time. The change rule is not obvious between average size and the ratio of compounded dispersants in the early standing time, but the average size decreases with the increase of additional amount of lignin series dispersants, TSI value shows a decreasing trend, and the stability of CWS increases gradually, which further confirmed the coalescence between coal particles is the main factor that influence the stability of CWS. Turbiscan Lab stability analyzer can realize real-time analysis on the stability and sedimentation process of CWS, and provide reliable data support for the selection of appropriate dispersant and its dosage. [ABSTRACT FROM AUTHOR]

Objective To investigate the significances of clinical diagnostic approaches to biliary atresia (BA) and intrahepatic cholestasis (IHC) in children, and to improve clinicians' understanding of BA and reduce the rates of missed diagnosis and false diagnosis. Methods A total of 133 children diagnosed with cholestasis with persistent jaundice admitted to our department from July 2011 to June 2014 were divided into IHC group with 111 patients and BA group with 22 patients. The general clinical trial data were reviewed and analysed and the significances of clinical manifestations, laboratory examination, and imaging features for differential diagnosis of BA and IHC were evaluated. Comparison of continuous data between the two groups was made by t test and comparison of categorical data between the two groups was made by chi - square test. When the sample characteristics for chi - square test were not suitable, the comparison was made by Fisher's test. Results Significant differences in clinical manifestations of kaolin stools and enlarged and hardened liver and spleen were observed between the two groups (P <0.01). Total bilirubin (TB) , direct bilirubin (DB) , gamma GGT (γ- GT) , alanine aminotransferase (ALT) , and aspartate aminotransferase ( AST) levels in BA group were significantly higher than those in IHC group ( P < 0. 01) . The specificity , positive predictive value , and positive likelihood ratio of γ- GT were the highest among them , while TB had the highest sensitivity , the highest negative predictive value , and the lowest negative likelihood ratio. The sensitivity and negative predictive value of TB , DB , and γ-GT in the parallel experiment reached 100% . The specificity and positive predictive value of them in the serial experiment were 98% and 88. 9% , respectively. There were significant differences in the hepatic portal fibrous mass and gallbladder hypokinesia detected with ultrasonography of the liver , gallbladder , and spleen and in magnetic resonance cholangiopancreatography (MRCP) features between the two groups ( P < 0. 01) . The specificity and positive predictive values of them in serial experiment reached 100%. Conclusion Kaolin stools , enlarged and hardened liver and spleen , TB , DB , γ-GT , ultrasonography , and MRCP of the liver and gallbladder are important indices to distinguish between BA and IHC and a combined analysis of them can improve the diagnostic accuracy. [ABSTRACT FROM AUTHOR]

The development and utilization of new energy is an important way to solve the energy shortage, environmental pollution and so on, which is also an effective power source for the development of low carbon economy. This paper starts with nonlinear dynamics, brings new energy into the dynamics system of energy-saving and emission-reduction and analyzes the effect of new energy on energy intensity and economic growth. Based on Lyapunov exponents and bifurcation diagrams, the dynamic behavior of the system is analyzed, energy-saving and emission-reduction attractor with new energy constraints is put forward. Artificial neural network is used to identify the quantitative coefficients in the simulation models according to the statistical data of China, and an empirical analysis of the real system is carried out with the results in perfect agreement with actual situation. The result shows that, by relying on the development of new energy or simply increasing investment to develop new energy, the effect of controlling energy intensity is not conspicuous. When the financial investment is too high, the inhibition effect on economic growth is great or fatal. Increasing overall investment in energy-saving and emission-reduction system which includes new energy, energy intensity could be declined better. When the overall investment gets larger, the inhibition effect on economic growth is also getting bigger in the early stage, however, with the further development of the dynamics system and the gradual maturity of new energy, the investment's promoting effect on economic growth is also very bigger. Numerical simulations are carried out to demonstrate the results. [ABSTRACT FROM AUTHOR]