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4 results on '"Jiankang Li"'

1. Novel automated AIMLAM for diagnosis of Mycobacterium tuberculosis

Author

Ruixia, Liang, Jiankang, Li, Hongmei, Shi, Han, Wu, and Chang, Zhao

Abstract

Aim:A rapid and precise diagnostic method is crucial for timely intervention and management of tuberculosis. The present study compared the diagnostic accuracy of a novel lipoarabinomannan (LAM) antigen test, AIMLAM, for tuberculosis in urine samples. Methodology:The study subjected 106 TB suspects to smear microscopy, MGIT, GeneXpert and AIMLAM. Results:Among 106, smear microscopy identified 36 as positive (33%) (sensitivity; 70.93%, 95% CI (60.14–80.22%), while MGIT showed 38 positive (36.8%). GeneXpert detected 59 positives (sensitivity; 96.83, 95% CI (89.00–99.61%)). AIMLAM declared 61 as positive (57.5%) (sensitivity; 100.00, 95% CI (94.13–100.00%) and 45 as negative (42.5%). Conclusion:Overall, AIMLAM demonstrated better diagnostic accuracy than GeneXpert Assay, smear microscopy and MGIT liquid culture in urine samples.

Published
2024
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3. Numerical simulations of heat and mass transfer for the Tongchang porphyry copper deposit, Dexing, Jiangxi province, China.

Author

Jingwen Mao, Bierlein, Frank P., Jiankang Li, Dehui Zhang, and Denghong Wang

Abstract

Numerical simulations of heat and mass transfer have been used to investigate the genesis of the Tongchang porphyry copper deposit, China. Early stages of hydrothermal activity are predicted to have been dominated magmatic-derived fluids, with fluid flow centred on granodiorite contact zones. During the middle period of hydrothermal activity, there was potential for mixing of magmatic water and groundwater. Late stage hydrothermal activity is predicted to have been dominated by groundwater convection. [ABSTRACT FROM AUTHOR]

Published
2005
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4. Studies on Interface of SiCf/Ti55 Composite.

Author

Bin, Huang, Yanqing, Yang, Yunwang, Mei, Xian, Luo, Jiankang, Li, and Yan, Chen

Abstract

Abstract: The SiC fiber reinforced Ti55 composite (SiCf/Ti55) was fabricated by Fiber Coating Method (FCM) and Hot Isostatic Pressing (HIP). After the composites were thermally exposed in vacuum under different conditions, the study on the order of interfacial reaction products and the kinetics of interfacial reaction was performed. The results show that only C, Ti and Si elements take part in the interfacial reaction. The order of interfacial reaction products of SiCf/Ti55 composite exposed at 1000 °C can be identified as SiC | Ti3SiC2 | Ti5Si3+TiC | TiC | Ti55. However, the Ti3SiC2 does not exist in the composites exposed at low temperature. The interfacial reaction layer growth is controlled by diffusion and follows a role of parabolic rate, and the activation energy Qk and the pre-exponential factor k 0 of SiCf/Ti55 composite are 198.16 kJ·mol−1 and 1.79×10−3 m·s−1/2, respectively. Compared with the SiCf/Ti composite and SiCf/Ti2AlNb composite, there is an interface with higher stability in SiCf/Ti55 composite. However, the interfacial reaction between SiC fiber and matrix takes place easier in SiCf/Ti55 composite than in the SiCf/Ti600 composite and SCS-6 SiCf/super a2 composite. [Copyright &y& Elsevier]

Published
2009
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