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38 results on '"Pan, Ding"'

2. Performance of a Large-Scale Excavation by Bottom-Up Technique in Hangzhou Soft Clay

Author

Ri-qing Xu, Yi-hong Zhu, and Pan Ding

Subjects
Engineering (General). Civil engineering (General), TA1-2040
Abstract

This paper studied the excavation of a foundation pit above a running subway tunnel in Hangzhou soft soil. The zoned excavation and top-down construction techniques were adopted to control the deformation caused by foundation pit excavation. The excavation was divided into four parts, named Zone A, B, C, and D. Zone A adopted temporary diagonal bracing, and the control effect of deformation was poor; it was cancelled and changed to rapid excavation and thicker cushion in Zones B, C, and D. During the whole construction process, the lateral displacement and settlement of the diaphragm wall, surrounding ground surface, and building settlement were monitored and analysed. The data showed that the lateral displacement of the diaphragm wall was effectively reduced by the zoned excavation technique, and the maximum lateral displacement value of the diaphragm wall in Zone A was the least; rapid excavation and reduced soil exposure time also could effectively control the deformation, and the lateral displacement of the diaphragm wall in Zone C is less than Zone B and Zone D. The ground settlement is strongly related to the lateral displacement of the diaphragm wall. In order to reduce the surrounding ground and building settlements, efforts should be made to reduce the wall lateral displacement.

Published
2021
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3. Semi‐analytical analysis of fractional derivative rheological consolidation considering the effect of self‐weight stress

Author

Xiao-bo Zhan, Luying Ju, Guang-mou Cheng, Zhi-jian Qiu, Riqing Xu, and Pan Ding

Subjects
Stress (mechanics), Consolidation (soil), Laplace transform, Rheology, Mechanics of Materials, Mathematical analysis, Computational Mechanics, Self weight, General Materials Science, Geotechnical Engineering and Engineering Geology, Fractional calculus, Mathematics
Published
2021

4. Band Alignment Engineering by Twist Angle and Composition Modulation for Heterobilayer

Author

Kang, Ting, primary, Jin, Zijing, additional, Han, Xu, additional, Liu, Yong, additional, You, Jiawen, additional, Wong, Hoilun, additional, Liu, Hongwei, additional, Pan, Jie, additional, Liu, Zhenjing, additional, Tang, Tsz Wing, additional, Zhang, Kenan, additional, Wang, Jun, additional, Yu, Junting, additional, Li, Dong, additional, Pan, Anlian, additional, Pan, Ding, additional, Wang, Jiannong, additional, Liu, Yuan, additional, and Luo, Zhengtang, additional

Published
2022
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8. Theory of mind, executive function, and lying in children: a meta‐analysis

Author

Genyue Fu, Xingchen Liu, Kang Lee, Xiao Pan Ding, Liyang Sai, Siyuan Shang, Cleo Tay, and Tingwen Sheng

Subjects
Cognitive Neuroscience, 05 social sciences, Theory of Mind, Cognition, Morals, 050105 experimental psychology, Developmental psychology, Executive Function, Child Development, Meta-analysis, Theory of mind, Developmental and Educational Psychology, Humans, 0501 psychology and cognitive sciences, Situational ethics, Child, Psychology, Lying, 050104 developmental & child psychology
Abstract

Scientific research on how children learn to tell lies has existed for more than a century. Earlier studies mainly focused on moral, social, and situational factors contributing to the development of lying. Researchers have only begun to explore the cognitive correlations of children's lying in the last two decades. Cognitive theories suggest that theory of mind (ToM) and executive function (EF) should be closely related to the development of lying since lying is, in essence, ToM and EF in action. Yet, findings from empirical studies are mixed. To address this issue, the current meta-analysis reviewed all prior literature that examined the relations between children's lying and ToM and/or between children's lying and EF. In total, 47 papers consisting of 5099 participants between 2 and 19 years of age were included, which yielded 74 effect sizes for ToM and 94 effect sizes for EF. Statistically significant but relatively small effects were found between children's lying and ToM (r = .17) and between lying and EF (r = .13). Furthermore, EF's correlation with children's initial lies was significantly smaller than its correlation with children's ability to maintain lies. This comprehensive meta-analysis provides a clear picture of the associations between children's ToM/EF and their lying behavior and confirms that ToM and EF indeed play a positive role in children's lying and its development.

Published
2021

9. CO 2 Reduction: Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO 2 Reduction to Formate (Adv. Energy Mater. 11/2020)

Author

Le He, Youyong Li, Yanguang Li, Pan Ding, and Na Han

Subjects
Reduction (complexity), chemistry.chemical_compound, Materials science, Nanostructure, chemistry, Main group element, Chemical engineering, Renewable Energy, Sustainability and the Environment, Nanostructured materials, General Materials Science, Formate, Electrochemistry
Published
2020

11. Li-CO2 Batteries: Conjugated Cobalt Polyphthalocyanine as the Elastic and Reprocessable Catalyst for Flexible Li-CO2 Batteries (Adv. Mater. 2/2019)

Author

Jun Deng, Yanguang Li, Kaiyi Zou, Junmei Chen, Chenyang Zha, Pan Ding, Jian Fan, Yongpan Hu, Jialing Wu, and Xuan Zhao

Subjects
Materials science, chemistry, Chemical engineering, Mechanics of Materials, Mechanical Engineering, chemistry.chemical_element, General Materials Science, Conjugated system, Cobalt, Flexible electronics, Catalysis
Published
2019

12. Conjugated Cobalt Polyphthalocyanine as the Elastic and Reprocessable Catalyst for Flexible Li-CO2 Batteries

Author

Junmei Chen, Yongpan Hu, Jialing Wu, Xuan Zhao, Pan Ding, Yanguang Li, Jian Fan, Chenyang Zha, Kaiyi Zou, and Jun Deng

Subjects
chemistry.chemical_classification, Energy carrier, Materials science, Mechanical Engineering, chemistry.chemical_element, 02 engineering and technology, Polymer, Conjugated system, 010402 general chemistry, 021001 nanoscience & nanotechnology, Electrochemistry, 01 natural sciences, Cathode, Flexible electronics, 0104 chemical sciences, Catalysis, law.invention, chemistry, Chemical engineering, Mechanics of Materials, law, General Materials Science, 0210 nano-technology, Cobalt
Abstract

Li-CO2 batteries represent an attractive solution for electrochemical energy storage by utilizing atmospheric CO2 as the energy carrier. However, their practical viability critically depends on the development of efficient and low-cost cathode catalysts for the reversible formation and decomposition of Li2 CO3 . Here, the great potential of a structurally engineered polymer is demonstrated as the cathode catalyst for rechargeable Li-CO2 batteries. Conjugated cobalt polyphthalocyanine is prepared via a facile microwave heating method. Due to the crosslinked network, it is intrinsically elastic and has improved chemical, physical, and mechanical stability. Electrochemical measurements show that cobalt polyphthalocyanine facilitates the reversible formation and decomposition of Li2 CO3 , and therefore enables high-performance Li-CO2 batteries with large areal capacity and impressive cycling performance. In addition, the elastic and reprocessable property of the polymeric catalyst renders it possible to fabricate flexible batteries.

Published
2018

13. Selective CO 2 Reduction on 2D Mesoporous Bi Nanosheets

Author

Jinghua Wu, Pan Ding, Jun Deng, Yafei Li, Yanguang Li, Yongpan Hu, Jun Lu, Na Han, Hui Yang, and Yu Wang

Subjects
Materials science, Renewable Energy, Sustainability and the Environment, chemistry.chemical_element, 02 engineering and technology, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, 0104 chemical sciences, Bismuth, Reduction (complexity), chemistry.chemical_compound, chemistry, Chemical engineering, General Materials Science, Formate, 0210 nano-technology, Mesoporous material, Selectivity
Published
2018

16. Synthesis of Substituted 1,2-Dihydroquinolines and Quinolines from Aromatic Amines and Alkynes by Gold(I)-Catalyzed Tandem Hydroamination—Hydroarylation under Microwave-Assisted Conditions

Author

Chi-Ming Che, Pan Ding, Jie-Sheng Huang, and Xin-Yuan Liu

Subjects
Indoles, Tandem, Chemistry, Organic Chemistry, Substrate (chemistry), General Medicine, Biochemistry, Combinatorial chemistry, Microwave assisted, Catalysis, Gold Compounds, Alkynes, Microwave irradiation, Quinolines, Organic chemistry, Indicators and Reagents, Gold, Hydroamination, Amines, Physical and Theoretical Chemistry, Microwaves
Abstract

A method to efficiently prepare substituted 1,2-dihydroquinolines and quinolines by Au(I)-catalyzed tandem hydroamination-hydroarylation under microwave irradiation was developed. This method requires short reaction time (10-70 min) and has a broad substrate scope.

Published
2007

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