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721 results on '"Liu, Xintong"'

58. Mechanical properties and cage transformations in CO2-CH4 heterohydrates: a molecular dynamics and machine learning study.

Author

Zhang, Yu, Liu, Xintong, Shi, Qiao, Qu, Yongxiao, Hao, Yongchao, Fu, Yuequn, Wu, Jianyang, and Zhang, Zhisen

Subjects
*MACHINE learning, *MACHINE dynamics, *MOLECULAR dynamics, *GAS hydrates, *SPATIAL arrangement, *YOUNG'S modulus, *NATURAL gas
Abstract

The substitution of natural gas hydrates with CO2 offers a compelling dual advantage by enabling the extracting of CH4 while simultaneously sequestering CO2. This process, however, is intricately tied to the mechanical stability of CO2-CH4 heterohydrates. In this study, we report the mechanical properties and cage transformations in CO2-CH4 heterohydrates subjected to uniaxial straining via molecular dynamics (MD) simulations and machine learning (ML). Results indicate that guest molecule occupancy, the ratio of CO2 to CH4 and their spatial arrangements within heterohydrate structure greatly dictate the mechanical properties of CO2–CH4 heterohydrates including Young's modulus, tensile strength, and critical strain. Notable, the introduction of CO2 within clathrate cages, particularly within 512 small cages, weakens the stability of CO2–CH4 heterohydrates in terms of mechanical properties. Upon critical strains, unconventional clathrate cages form, contributing to loading stress oscillation before fracture of heterohydrates. Intriguingly, predominant cage transformations, such as 51262–4151063 or 425864 and 512–425861 cages, are identified, in which 4151062 appears as primary intermediate cage that is able to transform into 4151063, 425862, 425863, 512 and 51262 cages, unveiling the dynamic nature of heterohydrate structures under straining. Additionally, ML models developed using MD data well predict the mechanical properties of heterohydrates, and underscore the critical influence of the spatial arrangement of guest molecules on the mechanical properties. These newly-developed ML models serve as valuable tools for accurately predicting the mechanical properties of heterohydrates. This study provides fresh insights into the mechanical properties and cage transformations in heterohydrates in response to strain, holding significant implications for environmentally sustainable utilization of CO2–CH4 heterohydrates. [ABSTRACT FROM AUTHOR]

Published
2024
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59. Target Delivery System of Food Functional Factors and Its Application in Food.

Author

Yao Qingbo, Liang Yantong, Wu Jiamin, Liu Xintong, Liao Lan, Wang Langhong, Zeng Xinan, and Huang Yanyan

Subjects
UNSATURATED fatty acids, LOCAL delivery services, PROBLEM solving, POLYPHENOLS, FOOD industry, FUNCTIONAL foods
Abstract

With the continuous research on functional factors, the essential components in functional foods, numerous functional factors have been developed and applied to functional foods. For instance, unsaturated fatty acids, polyphenols and carotenoids have their own low bioavailability due to their special physicochemical properties, thus restricting their application in food. Therefore, the development of functional factor transport systems to improve the utilization of functional factors in food organisms has become an urgent problem to be solved. In this paper, we systematically summarize the physicochemical properties of nanoemulsions, multilayer emulsions, solid -phase lipid particles, and gel particles based on recent research on functional factor delivery systems and explain the mechanism of action and application of various delivery systems. The target delivery system could help improve functional factors' problems and achieve the controlled release of targeted action sites in vivo. Conclusively, this paper aims to lay a theoretical basis for developing and applying targeted delivery systems for functional factors in the food industry. [ABSTRACT FROM AUTHOR]

Published
2024
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60. DM-SIRT: A Distributed Method for Multi-tilt Reconstruction in Electron Tomography

Author

Wang, Zihao, Zhang, Jingrong, Liu, Xintong, Liu, Zhiyong, Wan, Xiaohua, Zhang, Fa, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Cai, Zhipeng, editor, Skums, Pavel, editor, and Li, Min, editor

Published
2019
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64. Endovascular treatment versus standard medical treatment for vertebrobasilar artery occlusion (BEST): an open-label, randomised controlled trial

Author

Liu, Xinfeng, Xu, Gelin, Zhu, Wusheng, Ma, Minmin, Xiong, Yunyun, Zi, Wenjie, Dai, Qiliang, Wang, Huaiming, Ye, Ruidong, Liu, Yuxiu, Shi, Zhonghua, Zheng, Dequan, Deng, Xiaorong, Wan, Yue, Wang, Zhen, Geng, Yu, Shi, Zongjie, Zheng, Weihong, Chen, Xingyu, Zhou, Zhiming, Huang, Xianjun, Liao, Geng, Jin, Ping, Liu, Yong, Liu, Yumin, Li, Huagang, Liu, Xintong, Zhang, Meng, Zhou, Feng, Shi, Hongchao, Ke, Kaifu, Zhang, Yunfeng, Guo, Fuqiang, Yang, Shu, Yin, Congguo, Niu, Guozhong, Zhang, Mei, Cai, Xueli, Zhu, Qiyi, Chen, Zhonglun, Liang, Yingchun, Li, Bing, Lin, Min, Lin, Hang, Wang, Wei, Xu, Haowen, Fu, Xinmin, Dan, Wei, Liu, Wenhua, Tian, Xiguang, Chen, Lin, Gong, Zili, Shi, Haicun, Wang, Chuanming, Lv, Penghua, Tao, Zhonghai, Rong, Liangqun, Zhu, Liangfu, Wang, Shuiping, Yang, Shiquan, Hu, Wei, Jiang, Pingzhou, Fan, Jin, Xing, Chengming, Li, Haifeng, Yang, Weiming, Wang, Changqing, Zhang, Yong, Li, Xiaobo, Pereira, Vitor, Yan, Bernard, Liebeskind, David, Leung, Thomas, Davis, Stephen, Nogueira, Raul, Yin, Qin, Li, Min, Fan, Xinying, Sun, Wen, Han, Yunfei, Lv, Qiushi, Liu, Rui, Yang, Dong, Liebeskind, David S, Pereira, Vitor M, and Nogueira, Raul G

Published
2020
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