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631 results on '"Hu, Xuejiao"'

8. Analysis of risk factors for pulmonary infection caused by extensively drug-resistant Acinetobacter baumannii

Author

Bai Xuejiao, Hu Xuejiao, Zhao Yue, Yang Lihui, Ling Yong

Subjects
extensively drug-resistant acinetobacter baumannii, pulmonary infection, risk factor, clinical medication, prognosis, Medicine
Abstract

Objective To analyze clinical characteristics and risk factors of pulmonary infection caused by extensively drug-resistant Acinetobacter baumannii （XDRAB）， evaluate antimicrobial therapy and prognosis of XDRAB patients， aiming to provide references for effective prevention and control of nosocomial infection and clinical diagnosis and treatment. Methods Patients with XDRAB isolated from the lower respiratory tract specimens were collected. The number of repeated cases and colonization strains were excluded. The case data were analyzed and summarized by the method of retrospective case analysis. Results A total of 210 XDRAB strains were detected. The distribution of clinical departments was mainly concentrated in the ICU， with 108 cases （51.4%）. Respiratory diseases （OR = 2.294， 95% CI： 1.018-5.170， P < 0.05）， carbapenems （OR = 12.723， 95% CI： 4.585-35.306， P < 0.05）， quinolones （OR= 10.100， 95% CI： 1.950-52.317， P < 0.05）， β-lactam inhibitors （OR = 4.012， 95% CI： 1.659-9.702， P < 0.05） were the independent risk factors for XDRAB infection. The non-improvement rate in the XDRAB group was higher than that in the non-XDRAB group （χ2 = 94.500， P < 0.05）. Conclusions The proportion of XDRAB isolated from the ICU is the highest. Respiratory diseases and antibacterial drugs （carbapenems， β-lactam inhibitors， quinolones） are the independent risk factors for XDRAB infection. The prognosis of XDRAB infected patients is poor.

Published
2023
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10. Thermal-driven Flow inside Graphene Channels for Water Desalination

Author

Chen, Bo, Jiang, Haifeng, Liu, Huidong, Liu, Kang, Liu, Xiang, and Hu, Xuejiao

Subjects
Condensed Matter - Soft Condensed Matter, Physics - Applied Physics
Abstract

A novel concept of membrane process in thermal-driven system is proposed for water desalination. By means of molecular dynamics simulations, we show fast water transport through graphene galleries at a temperature gradient. Water molecules are driven to migrate through nanometer-wide graphene channels from cold reservoir to hot reservoir by the effect of thermal creep flow. Reducing the interlayer spacing to 6.5 {\AA}, an abrupt escalation occurs in water permeation between angstrom-distance graphene slabs. The change from disordered bulklike water to quasi-square structure have been found under this extremely confined condition. This leads to a transition to subcontinuum transport. Water molecules perform collective diffusion behaviors inside graphene channels. The special transport processes with structure change convert thermal energy into motion without dissipation, resulting in unexpected high water permeability. The thermal-driven system reaches maximum flowrate at temperature variance of 80 K, corresponding to the quantity at pressure difference up to 10^5 bar in commercial reverse osmosis processes and 230 bar in pressure-driven slip flow. Our results also reveal the movement of saline ions influenced by thermophoretic effect, which complement the geometry limitation at greater layer spacing, enhancing the blockage of ions. This finding aims to provide an innovational idea of developing a high-efficiency desalination technology able to utilize various forms of energy.

Published
2018

11. MODE: Multi-view Omnidirectional Depth Estimation with 360 Cameras

Author

Li, Ming, Jin, Xueqian, Hu, Xuejiao, Dai, Jingzhao, Du, Sidan, Li, Yang, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Avidan, Shai, editor, Brostow, Gabriel, editor, Cissé, Moustapha, editor, Farinella, Giovanni Maria, editor, and Hassner, Tal, editor

Published
2022
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16. Solar Thermochemical Water-Splitting Reaction Enhanced by Hydrogen Permeation Membrane

Author

Sui, Chenxi, Wang, Hongsheng, Liu, Xiang, and Hu, Xuejiao

Subjects
Condensed Matter - Materials Science
Abstract

The low conversion rate and efficiency always weaken the performance of thermochemical water-splitting reaction. Herein, we, for the first time, conducted the thermodynamic study of a hydrogen permeable membrane (HPM) in an isothermal thermochemical water-splitting reaction driven by solar energy, which has showed a sharply enhanced conversion rate of 87.8% at 1500 oC and 10-5 atm at permeated side (versus 1.26% with oxygen permeation membrane). According to thermodynamic analysis, the first-law thermodynamic efficiency can reach as high as 59.1%. When taking solar-to-electric efficiency and vacuum pump efficiency into account (for converting separation work into solar energy), we simulated the appreciable efficiency of 3.05% at 1500 oC. The numerical model will provide guidance for the actual production of hydrogen by high temperature solar water splitting. Such novel work manifests the great significance of constructing a HPM reactor for efficient solar thermochemical water splitting, which shows a novel approach for high-temperature solar water splitting., Comment: 26 pages, 10 figures

Published
2018

26. Feasibility of a Mobile Health Intervention for Providing a Continuum of HIV Services for MSM: Pilot Study of the WeTest Program in 3 Cities in China

Author

Zhu, Zhihui, primary, Lu, Xiaoyan, additional, Gao, Pan, additional, Wang, Xiaodong, additional, Hu, Xuejiao, additional, Xie, Nianhua, additional, Liu, Cong, additional, Zhao, Yue, additional, Zhao, Yanqiu, additional, Dai, Zhen, additional, Zhang, Hongbo, additional, Wang, Jun, additional, Sun, Yehuan, additional, Liu, Tao, additional, Sun, Shufang, additional, Yang, Cui, additional, Zaller, Nickolas, additional, Zhang, Zhihua, additional, and Operario, Don, additional

Published
2024
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