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143 results on '"Li Shiling"'

34. Construction of g/C3N4-ZnO composites with enhanced visible-light photocatalytic activity for degradation of amoxicillin.

Author

Sun, Shuhan, Li, Shiling, Hao, Yibing, Yang, Xiao, and Dou, Xiaomin

Abstract

g/C3N4-ZnO composite catalysts were synthesized through surface hybridization of the delocalized conjugated-π structure of g/C3N4 with the closely contacted surface of ZnO via a successive and simultaneous calcination procedure, and two kinds of photocatalysts, g/C3N4-ZnO1 and g/C3N4-ZnO2, were obtained. Heterojunctions were formed between the two components, which promote the separation of photogenerated carriers efficiently, and then enhanced the degradation of 100 mg/L of AMX The degradation rate of g/C3N4-ZnO1 was 1.54, 11.33, and 2.52-fold that of g/C3N4-ZnO2, g/C3N4 and ZnO, respectively, at a 3.5-h reaction period, with the dosage of 0.3 g/L, and solution pH at 7.0±0.2. The recycle and reuse ability was excellent and 90.5% of AMX mitigation was achieved in the fifth cycle. For g/C3N4-ZnO1, electrons migrated from the conduction band of g/C3N4 to that of ZnO via the heterojunction. ·OH and h+ were the main active species for AMX degradation, compared to ·O2− dominated for g/C3N4. Twelve intermediate products were identified, and two degradation pathways were inferred for g/C3N4-ZnO1 and g/C3N4-ZnO2, respectively. Finally, transformation products without lactam rings were achieved, which lost most of the antibacterial potencies, and the ecotoxicity was also dramatically decreased as indicated by the ECOSAR program. [ABSTRACT FROM AUTHOR]

Published
2022
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41. Nash equilibrium computation of two-network zero-sum games with event-triggered communication.

Author

Xiong, Hongyun, Han, Jiangxiong, Nian, Xiaohong, and Li, Shiling

Subjects
ZERO sum games, NASH equilibrium, EQUILIBRIUM, COMMUNICATION barriers
Abstract

In this paper, a zero-sum game Nash equilibrium computation problem with event-triggered communication is investigated under an undirected weight-balanced multi-agent network. A novel distributed event-triggered projection subgradient algorithm is developed to reduce the communication burden within the subnetworks. In the proposed algorithm, when the difference between the current state of the agent and the state of the last trigger time exceeds a given threshold, the agent will be triggered to communicate with its neighbours. Moreover, we prove that all agents converge to Nash equilibrium by the proposed algorithm. Finally, two simulation examples verify that our algorithm not only reduces the communication burden but also ensures that the convergence speed and accuracy are close to that of the time-triggered method under the appropriate threshold. [ABSTRACT FROM AUTHOR]

Published
2022
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48. Electron-electron Scattering Rate in GaInAsP/InP Stepped Quantum Well

Author

Li Zheng, Li Shiling, Hu Min, Gong Qian, and Wang Hailong

Subjects
Imagination, Thesaurus (information retrieval), Radiation, Chemical substance, Materials science, media_common.quotation_subject, Nanotechnology, Electron, Condensed Matter Physics, Engineering physics, Electronic, Optical and Magnetic Materials, Scattering rate, Science, technology and society, Electron scattering, Quantum well, media_common
Published
2016

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