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2,827 results on '"Ding, Lu"'

62. Long non-coding RNA Linc00657 up-regulates Skp2 to promote the progression of cervical cancer through lipid reprogramming and regulation of immune microenvironment

Author

Li, Yuting, Maimaitirexiati, Gulikezi, Wang, Jing, Zhang, Jin, Tian, Ping, Zhou, Changhui, Ren, Jingqin, Wang, Lingjie, Zhao, Jiaqi, Wang, Hengyu, Chen, Zhen, Li, Xue, Yan, Qi, Saitiniyazi, Nazila, Liu, Chengqing, Wang, Jiabo, Yang, Nan, Xu, Xiaoya, Ding, Lu, Ma, Cailing, and Li, Rong

Published
2024
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76. A Social Network Analysis Approach to Explore the Dualistic Interaction between the Digital Economy and Industrial Economics

Author

Ding Lu and Huang Fujiang

Subjects
ap clustering, social network analysis, spearman’s coefficient, group effect analysis, binary interactions, 93c62, Mathematics, QA1-939
Abstract

In recent years, the digital economy has continuously innovated the traditional industrial economy and brought about the continuous optimization of economic structure. In recent years, the digital economy has continuously innovated the traditional industrial economy and brought about continuous optimization of economic structure. By combining the AP clustering algorithm, this paper creates a representative viewpoint extraction model that extracts the relevant features of relevant variables and generates a more representative economic viewpoint. The social network structure between the digital economy and industrial economics is analyzed using the social relationship graph. Using the information gain calculation formula, the correlation calculation is carried out on the characteristics of variables with stronger relationships and larger information gain. Meanwhile, the correlation coefficient between variables with larger information gain is calculated by Spearman’s coefficient. The influencing factors of industrial economic development under the digital economy are analyzed through three dimensions, and the theoretical model of group effect analysis is constructed to analyze the binary interaction between the two. Through the method of empirical analysis, the interaction between the digital economy and the industrial economy is tested in terms of smoothness and cointegration. HP filtering, as well as impulse response analysis, are carried out to analyze the interaction between the two in A. After 9 groups of experiments, the cointegration number of the original hypothesis is 0 or ≥1, the original hypothesis is rejected at a significance level of 1%, and the eigenvalues range from 67.4566 to 69.7445, and there is a correlation between the two. The impulse response value of the industrial economy improves from 0.0002 to 0.001. The development of the digital economy will lead to the development of the industrial economy.

Published
2024
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77. Quasicrystalline Chern Insulators

Author

He, Ai-Lei, Ding, Lu-Rong, Zhou, Yuan, Wang, Yi-Fei, and Gong, Chang-De

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

Chern insulator or quantum anomalous Hall state is a topological state with integer Hall conductivity but in absence of Landau level. It had been well established on various two-dimensional lattices with periodic structure. Here, we report similar Chern insulators can also be realized on the quasicrystal with $5$-fold rotational symmetry. Providing the staggered flux through plaquettes, we propose two types of quasicrystalline Chern insulators. Their topological characterizations are well identified by the robustness of edge states, non-zero real-space Chern number, and quantized conductance. We further find the failure of integer conductivity but with quantized Chern number at some special energies. Our study therefore provide a new opportunity to searching topological materials in aperiodic system., Comment: 10 pages, 9 figures

Published
2019
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85. A survey on pupae parasitoid species of Dendrolimus houi (Lajonquiere) (Lepidoptera, Lasiocampidae) in China

Author

Hao yu Lin, Ci ding Lu, Zheng hao Chen, You jun Zhou, Yun Liang, Hui Chen, and Guang hong Liang

Subjects
Cryptomeria japonica, Dendrolimus houi<, Biology (General), QH301-705.5
Abstract

Cryptomeria japonica var. sinensis Miquel in south China is currently overwhelmingly infested by a native caterpillar species, Dendrolimus houi (Lepidoptera), which is causing severe economic losses and ecological disasters in both planted and natural forests. Our results include report of five parasitoid species and eight parasitoid flies within D. houi and a dominant endoparasitoid species Kriechbaumerella dendrolimi, which attacks pupae of D. houi with a high parasitism rate. This result might be helpful to improve better identification and application in the future for potential biological control of D. houi in the forests of east Asia.

Published
2023
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91. Towards Understanding the Effective Design of Automated Formative Feedback for Programming Assignments

Author

Hao, Qiang, Smith, David H., IV, Ding, Lu, Ko, Amy, Ottaway, Camille, Wilson, Jack, Arakawa, Kai H., Turcan, Alistair, Poehlman, Timothy, and Greer, Tyler

Abstract

Background and Context: automated feedback for programming assignments has great potential in promoting just-in-time learning, but there has been little work investigating the design of feedback in this context. Objective: to investigate the impacts of different designs of automated feedback on student learning at a fine-grained level, and how students interacted with and perceived the feedback. Method: a controlled quasi-experiment of 76 CS students, where students of each group received a different combination of three types of automated feedback for their programming assignments. Findings: feedback addressing the gap between expected and actual outputs is critical to effective learning; feedback lacking enough details may lead to system gaming behaviors. Implications: the design of feedback has substantial impacts on the efficacy of automated feedback for programming assignments; more research is needed to extend what is known about effective feedback design in this context.

Published
2022
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