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Your search keyword '"Cui, Yuyang"' showing total 15 results
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15 results on '"Cui, Yuyang"'

1. Wearable and interactive multicolored photochromic fiber display

Author

Li, Pan, Wang, Yuwei, He, Xiaoxian, Cui, Yuyang, Ouyang, Jingyu, Ouyang, Ju, He, Zicheng, Hu, Jiayu, Liu, Xiaojuan, Wei, Hang, Wang, Yu, Lu, Xiaoling, Ji, Qian, Cai, Xinyuan, Liu, Li, Hou, Chong, Zhou, Ning, Pan, Shaowu, Wang, Xiangru, Zhou, Huamin, Qiu, Cheng-Wei, Lu, Yan-Qing, and Tao, Guangming

Published
2024
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3. A Spectral Clustering Algorithm Based on Differential Privacy Preservation

Author

Cui, Yuyang, Wu, Huaming, Zhang, Yongting, Gao, Yonggang, Wu, Xiang, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Lai, Yongxuan, editor, Wang, Tian, editor, Jiang, Min, editor, Xu, Guangquan, editor, Liang, Wei, editor, and Castiglione, Aniello, editor

Published
2022
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7. Exploring the psychological impact of the 2022 SARS-CoV-2 Omicron variant outbreak in China

Author

Han, Gangbin, primary, Cheng, Guirong, additional, Hu, Feifei, additional, Li, Chunli, additional, Liu, Dan, additional, Zhou, Juan, additional, Liu, Jing, additional, Huang, Linya, additional, Liu, Xiaochang, additional, Nie, Qianqian, additional, Song, Dan, additional, Zeng, Deyang, additional, Xu, Lang, additional, Li, Jinquan, additional, Chen, Yushan, additional, Wei, Zhen, additional, Wu, Qiong, additional, He, Xiaoming, additional, Wu, Qingming, additional, Tan, Wei, additional, Mei, Yufei, additional, Chen, Xingxing, additional, Ou, Yangming, additional, Zhang, Jingjing, additional, Yu, Yafu, additional, Yang, Mengliu, additional, Lian, Pengfei, additional, Zhou, Fukai, additional, Fan, Renjia, additional, Wan, Hong, additional, Hu, Chenlu, additional, Fu, Yidi, additional, Li, Shiyue, additional, Wang, Junyi, additional, Cai, Cheng, additional, Pei, Mengdie, additional, Cui, Yuyang, additional, Cai, Wanying, additional, Li, Yiqing, additional, Pan, Shiyao, additional, Chen, Chang, additional, He, Yan, additional, Wu, Zhaoxia, additional, Hu, Liu, additional, Tao, Liang, additional, Xiao, Hongyan, additional, Xie, Xinyan, additional, and Zeng, Yan, additional

Published
2023
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8. Particle Swarm Algorithm for Smart Contract Vulnerability Detection Based on Semantic Web

Author

Feng, Tao and Cui, Yuyang

Abstract

In recent years, smart contracts have risen rapidly in the blockchain field, but security issues have also become increasingly prominent. Due to the lack of unified evaluation standards, the security analysis of smart contracts mainly relies on complex and not easily scalable expert rules. To address these issues, we employ slicing techniques to reduce the interference of extraneous code on the detection process, apply normalisation techniques to eliminate the differences between different compiler versions and use particle swarm optimisation algorithms to determine the similarity between contracts, thus improving the accuracy and efficiency of detection. In addition, we combine a variety of features such as static analysis, dynamic analysis and symbolic execution to gain a more comprehensive understanding of contract characteristics and behaviours for more accurate vulnerability identification. Experimental results show that the scheme significantly improves the detection capability and provides a new solution for the security detection of smart contracts.

Published
2023
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12. Optimum ratio of K2O to CeO2 in a wet-chemical method prepared catalysts for ethylbenzene dehydrogenation

Author

Xiang Zhang, Lu Yinghua, Yang Li, Weiping Fang, Cui Yuyang, and Yiquan Yang

Subjects
Valence (chemistry), Chemical substance, 010405 organic chemistry, Process Chemistry and Technology, General Chemistry, 010402 general chemistry, 01 natural sciences, Ethylbenzene, Catalysis, 0104 chemical sciences, Styrene, chemistry.chemical_compound, Electron transfer, chemistry, Chemical engineering, Dehydrogenation, Selectivity
Abstract

Fe 2 O 3 –K 2 O–CeO 2 catalysts with various ratios of K 2 O to CeO 2 were prepared by the wet-chemical method. Their phase compositions, reducibility, valence states of elements and catalytic activities for ethylbenzene dehydrogenation were studied. The results demonstrated that when the weight ratio of K 2 O: CeO 2 was 1.40, the catalyst had highest ethylbenzene conversion and styrene selectivity, which were attributed to the optimization of active phase content and electron transfer ability, etc. Further, higher CeO 2 content not only enhanced styrene selectivity, but also prolonged the life cycle of catalysts.

Published
2016
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13. Promoting effect of dual modification of H-ZSM-5 catalyst by alkali treating and Mg doping on catalytic performances for alkylation of benzene with ethanol to ethylbenzene

Author

Yiquan Yang, Jianjun Li, Cui Yuyang, Wen Ding, and Weiping Fang

Subjects
chemistry.chemical_compound, chemistry, Thermal desorption spectroscopy, General Chemical Engineering, Inorganic chemistry, Magic angle spinning, General Chemistry, Alkylation, ZSM-5, Benzene, Zeolite, Ethylbenzene, Catalysis
Abstract

Alkali-treated HZSM-5 zeolite (AT) was modified with Mg species to produce combined modified HZSM-5 catalyst (Mg-AT) for alkylation of benzene with ethanol to ethylbenzene. The catalysts were tested and characterized by X-ray diffraction (XRD), NH3-Temperature Programmed Desorption (NH3-TPD), Nitrogen adsorption–desorption, Magic angle spinning nuclear magnetic resonance (MAS NMR) and Scanning Electron Microscope (SEM) techniques. The characterization results showed that for the combined modified HZSM-5 sample, the ratio of surface area of mesopores to the total surface area was the highest. The Mg (1 wt%)-AT catalyst was found to exhibit the highest activity (30% of the conversion of benzene) and selectivity to EB (92%) for the reaction, which was confirmed to be due to the proper L/B acid proportion (3.79) and the improvement of the mesopores of the catalyst.

Published
2014
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