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1. Research on the development trend of green building in China from the perspective of patent

Author

Zhu Dehai, Zhang Chengri, Cao Qian, and Gao Yuqi

Subjects
Environmental sciences, GE1-350
Abstract

Based on Innojoy patent search engine, this paper analyzes the patent type, technical fields, innovation activity, life cycle and patent value of green building in China. The development trend of green building in China is summarized. Suggestions were put forward to promote the development of China’s green building industry. It is found that the overall development trend of China’s green building is good, and it is in the growth stage of the technology life cycle, and the development potential is huge. Green building gradually runs through the whole process of construction, and the application scope continues to expand. Technological innovation is the core driving force for the development of green building.

Published
2024
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5. Distribution and Determinants of Correlation between PM2.5 and O3 in China Mainland: Dynamitic simil-Hu Lines

Author

Chen, Chenru, Xu, Miaoqing, Liu, Shuyi, Zhu, Dehai, Yang, Jianyu, Gao, Bingbo, and Chen, Ziyue

Subjects
Physics - Atmospheric and Oceanic Physics, Statistics - Applications
Abstract

In recent years, China has made great efforts to control air pollution. During the governance process, it is found that fine particulate matter (PM2.5) and ozone (O3) change in the same trend among some areas and the opposite in others, which brings some difficulties to take measures in a planned way. Therefore, this study adopted multi-year and large-scale air quality data to explore the distribution of correlation between PM2.5 and O3, and proposed a concept called dynamic similar hu lines to replace the single fixed division in the previous research. Furthermore, this study discussed the causes of distribution patterns quantitatively with geographical detector and random forest. The causes included natural factors and anthropogenic factors. And these factors could be divided into three parts according to the characteristics of spatial distribution: broadly changing with longitude, changing with latitude, and having local characteristics. Overall, regions with relatively more densely population, higher GDP, lower altitude, higher humidity, higher atmospheric pressure, higher surface temperature, less sunshine hours and more accumulated precipitation often corresponds to positive correlation coefficient between PM2.5 and O3, no matter in which season. The parts with opposite conditions that mentioned above are essentially negative correlation coefficient. And what's more, humidity, global surface temperature, air temperature and accumulated precipitation are four decisive factors to form the distribution of correlation between PM2.5 and O3. In general, collaborative governance of atmospheric pollutants should consider particular time and space background and also be based on the local actual socio-economic situations, geography and geomorphology, climate and meteorology and other comprehensive factors., Comment: Our research group have decided to withdraw this preprint

Published
2021

10. Flight Control of a Canard Rotor/Wing VTOL Aircraft Based on Reinforcement Learning Under Transition Flight Mode

Author

Zhang, Yinong, Zhao, Huimin, Zhu, Dehai, Wang, Ban, Huang, Jiangtao, Gao, Zhenghong, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Fu, Wenxing, editor, Gu, Mancang, editor, and Niu, Yifeng, editor

Published
2023
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11. Adaptive Fault-Tolerant Control of a Canard Rotor/Wing VTOL Aircraft

Author

Zhu, Dehai, Zhang, Yinong, Zhao, Huimin, Wang, Ban, Gao, Zhenghong, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Yan, Liang, editor, and Deng, Yimin, editor

Published
2023
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17. LandQv2: A MapReduce-Based System for Processing Arable Land Quality Big Data

Author

Yao, Xiaochuang, Mokbel, Mohamed F, Ye, Sijing, Li, Guoqing, Alarabi, Louai, Eldawy, Ahmed, Zhao, Zuliang, Zhao, Long, and Zhu, Dehai

Subjects
Earth Sciences, Geoinformatics, Networking and Information Technology R&D (NITRD), spatial big data, parallel processing, MapReduce, arable land quality, GIS, Physical Geography and Environmental Geoscience, Geomatic Engineering, Physical geography and environmental geoscience, Geomatic engineering
Published
2018

21. Spatial coding-based approach for partitioning big spatial data in Hadoop

Author

Yao, Xiaochuang, Mokbel, Mohamed F, Alarabi, Louai, Eldawy, Ahmed, Yang, Jianyu, Yun, Wenju, Li, Lin, Ye, Sijing, and Zhu, Dehai

Subjects
Spatial coding-based approach, Big spatial data, Spatial data partitioning, Hadoop, Earth Sciences, Information and Computing Sciences, Engineering, Geochemistry & Geophysics
Abstract

Spatial data partitioning (SDP) plays a powerful role in distributed storage and parallel computing for spatial data. However, due to skew distribution of spatial data and varying volume of spatial vector objects, it leads to a significant challenge to ensure both optimal performance of spatial operation and data balance in the cluster. To tackle this problem, we proposed a spatial coding-based approach for partitioning big spatial data in Hadoop. This approach, firstly, compressed the whole big spatial data based on spatial coding matrix to create a sensing information set (SIS), including spatial code, size, count and other information. SIS was then employed to build spatial partitioning matrix, which was used to spilt all spatial objects into different partitions in the cluster finally. Based on our approach, the neighbouring spatial objects can be partitioned into the same block. At the same time, it also can minimize the data skew in Hadoop distributed file system (HDFS). The presented approach with a case study in this paper is compared against random sampling based partitioning, with three measurement standards, namely, the spatial index quality, data skew in HDFS, and range query performance. The experimental results show that our method based on spatial coding technique can improve the query performance of big spatial data, as well as the data balance in HDFS. We implemented and deployed this approach in Hadoop, and it is also able to support efficiently any other distributed big spatial data systems.

Published
2017

23. Assessment of the effects of myopic and hyperopic anisometropia on choroidal vascular structure in children using SS‐OCTA.

Author

Cao, Yiwen, Gu, Xiaopeng, Zhang, Yadi, Zhao, Jingjing, and Zhu, Dehai

Abstract

Objective: To compare large‐ and medium‐sized choroidal vascularity and the choriocapillaris (CC) flow area in children with different refractive errors using swept‐source optical coherence tomography angiography (SS‐OCTA). Methods: Forty‐two anisometropic children were enrolled and divided into hyperopic anisometropia (HA) and myopic anisometropia (MA) groups. SS‐OCTA was performed to analyse choroidal vascularity. Mean choroidal thickness (CT), choroidal vascularity volume (CVV), choroidal vascularity index (CVI) and CC flow area were compared between the two eyes. The inter‐ocular differences between the two groups were also determined. Results: Mean CT and CVV were highest in eyes with shorter axial lengths in both refractive groups, and the difference between the two eyes was positively correlated with the difference in axial length at the foveal region. Significant differences in the CVI in the MA group were only found in the parafoveal region. Inter‐ocular differences in the CC were significantly reduced in eyes with longer axial lengths in the foveal and parafoveal regions of the HA and MA groups, respectively. Comparing inter‐ocular differences, CC was significantly greater in the parafoveal region of the MA group than the HA group. Conclusions: All layers of choroidal vasculature were thinner in eyes with longer axial lengths in all groups. The inter‐ocular CC difference was greater in the MA than in the HA group, with similar differences in axial length. This suggests that both medium‐to‐large choroidal vascular and choroidal capillaries may play a role in myopia development. [ABSTRACT FROM AUTHOR]

Published
2024
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32. Method and System of Maize Hybridized Combination Based on Inbred SSR and Field Test

Author

Liu, Zhe, Zhang, Zhenhong, Fu, Shaolong, Zhang, Xiaodong, Zhu, Dehai, Li, Shaoming, Rannenberg, Kai, Editor-in-chief, Sakarovitch, Jacques, Series editor, Goedicke, Michael, Series editor, Tatnall, Arthur, Series editor, Neuhold, Erich J., Series editor, Pras, Aiko, Series editor, Tröltzsch, Fredi, Series editor, Pries-Heje, Jan, Series editor, Whitehouse, Diane, Series editor, Reis, Ricardo, Series editor, Furnell, Steven, Series editor, Furbach, Ulrich, Series editor, Gulliksen, Jan, Series editor, Rauterberg, Matthias, Series editor, Li, Daoliang, editor, and Li, Zhenbo, editor

Published
2016
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33. A Methodology of Integrating Knowledge into Applied Game and Validation of Education and Entertainment Effects

Author

Wang, Qing, Chen, Hong, Li, Jinfeng, Zhu, Dehai, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Pan, Zhigeng, editor, Cheok, Adrian David, editor, Müller, Wolfgang, editor, and Zhang, Mingmin, editor

Published
2016
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37. The Study of Mapping Mechanism Between Game Rules and Knowledge in Educational Games: A Case of Agricultural Game Design

Author

Wang, Qing, Chen, Hong, Liu, Yan, Zhu, Dehai, Pan, Zhigeng, Editor-in-chief, Cheok, Adrian David, Editor-in-chief, Mueller, Wolfgang, Editor-in-chief, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, and Zhang, Mingmin, editor

Published
2015
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