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| 1 | Major advances in studies of the physical geography and living environment of China during the past 70 years and future prospects显示文摘The natural environment provides material essentials for human survival and development. The characteristics,processes, regional differentiation and forcing mechanisms of the elements of the natural environment(e.g. geomorphology,climate, hydrology, soil, etc.) are the main objects of research in physical geography. China has a complex natural environment and huge regional differentiation and therefore it provides outstanding reserach opportunities in physical geography. This review summarizes the most important developments and the main contributions of research in the physical geography and human living environment in China during the past 70 years. The major topics addressed are the uplift of the Tibetan Plateau and the evolution of its cryosphere, the development of fluvial systems, the acidification of the vast arid region of the Asian interior, variations in the monsoon and westerly climate systems on multiple timescales, the development of lakes and wetlands, the watershed system model, soil erosion, past human-environment interactions, biogeography, and physical geographic zonality. After briefly introducing international research developments, we review the history of research in physical geography in China, focusing on the major achievements and major academic debates, and finally we summarize the status of current research and the future prospects. We propose that in the context of the national demand for the construction of an ecological civilization, we should make full use of the research findings of physical geography, and determine the patterns and mechanisms of natural environmental processes in order to continue to promote the continued contribution of physical geography to national development strategies, and to further contribute to the theory of physical geography from a global perspective. | Fahu CHEN Bojie FU Jun XIA Duo WU Shaohong WU Yili ZHANG Hang SUN Yu LIU Xiaomin FANG Boqiang QIN Xin LI Tingjun ZHANG Baoyuan LIU Zhibao DONG Shugui HOU Lide TIAN Baiqing XU Guanghui DONG Jingyun ZHENG Wei YANG Xin WANG Zaijun LI Fei Wang Zhenbo HU Jie WANG Jianbao LIU Jianhui CHEN Wei HUANG Juzhi HOU Qiufang CAI Hao LONG Ming JIANG Yaxian HU Xiaoming FENG Xingguo MO Xiaoyan YANG Dongju ZHANG Xiuhong WANG Yunhe YIN Xiaochen LIU | 2019 | Science China Earth Sciences2019，62，11： | 11 |
| 2 | Bridging the gap between complex networks and smart grids显示文摘It is well known that many real-world systems can be described by complex networks with the nodes and the edges representing the individuals and their communications,respectively.Based on recent advances in complex networks,this paper aims to provide some new methodologies to study some fundamental problems in smart grids.In particular,it summarises some results for network properties,distributed control and optimisation,and pinning control in complex networks and tries to reveal how these new technologies can be applied in smart grids. | Wenwu Yu Guanghui Wen Xinghuo Yu Zaijun Wu Jinhu Lü | 2014 | Journal of Control and Decision2014，1，1： | 3 |
| 3 | A new method for optimal FTU placement in distribution network under consideration of power service reliability显示文摘Modern distribution network with high penetration of intermittent renewable sources and the so-called prosumers requires more reliable distribution automation(DA) system for safe operation and control. The design of optimal feeder terminal units(FTU)placement is critical and economical for the effective DA application. Previously proposed solutions of optimal FTU placement aiming to ensure the accuracy of state estimation(SE), typically include the following two main shortcomings: 1) only to obtain the optimal FTU placement in quantity, and the analysis of FTU location is not considered yet; 2) few consider the uncertainty of intermittent power injections in the analysis of state estimation. In this paper, a modified methodology of FTU placement is proposed not only aiming to ensure the accuracy of state estimation with the minimum number of meters, but also finding those specific FTU locations to guarantee the power service reliability. Moreover, the uncertainty models of those intermittent power injections are also considered by using probability density function(PDF). The resultant optimization problem is addressed by using the covariance matrix adaptation evolution strategy(CMA-ES). Case studies demonstrate the feasibility and effectiveness of the proposed methodology. | XU JunJun WU ZaiJun YU XingHuo HU QinRan ZHU ChengZhi DOU XiaoBo GU Wei WU Zhi | 2017 | Science China(Technological Sciences)2017，60，12： | 3 |
| 4 | Modeling, planning and optimal energy management of combined cooling, heating and power microgrid: A review显示文摘 | Wei Gu Zhi Wu Rui Bo Wei Liu Gan Zhou Wu Chen Zaijun Wu | 2014 | International Journal of Electrical Power and Energy Systems2014，，： | 1 |
| 5 | Multi-timescale Affinely Adjustable Robust Reactive Power Dispatch of Distribution Networks Integrated with High Penetration of PV显示文摘Photovoltaic(PV)power generation has highly penetrated in distribution networks,providing clean and sustainable energy.However,its uncertain and intermittent power outputs significantly impair network operation,leading to unexpected power loss and voltage fluctuation.To address the uncertainties,this paper proposes a multi-timescale affinely adjustable robust reactive power dispatch(MTAAR-RPD)method to reduce the network power losses as well as alleviate voltage deviations and fluctuations.The MTAAR-RPD aims to coordinate on-load tap changers(OLTCs),capacitor banks(CBs),and PV inverters through a three-stage structure which covers multiple timescales of“hour-minute-second”.The first stage schedules CBs and OLTCs hourly while the second stage dispatches the base reactive power outputs of PV inverter every 15 min.The third stage affinely adjusts the inverter reactive power output based on an optimized Q-P droop controller in real time.The three stages are coordinately optimized by an affinely adjustable robust optimization method.A solution algorithm based on a cutting plane algorithm is developed to solve the optimization problem effectively.The proposed method is verified through theoretical analysis and numerical simulations. | Peishuai Li Zaijun Wu Cuo Zhang Yan Xu Zhaoyang Dong Minqiang Hu | 2023 | Journal of Modern Power Systems and Clean Energy2023，11，1： | 1 |
| 6 | Performance simulation analysis of digital substation communication network显示文摘 | Dou Xiaobo Hu Minqiang Wu Zaijun | 2008 | Power System Technology2008，9，17： | 1 |
| 7 | Design and Realiza- tion of Regional Power Quality Monitoring System显示文摘 | Chanxia Zhu Minqiang Hu Zaijun Wu | 2008 | Electric Utility Deregulation and Restructuring and Power Technologies2008，，： | 1 |
| 8 | Electrical treeing behaviours in cross-linked polyethylene cables after thermal ageing显示文摘Long-term thermal ageing might have impacts on the physicochemical properties of cross-linked polyethene(XLPE)cables,thereby influencing their electrical behaviours,such as electrical treeing initiation and growth.The main objective of this work is to report the effects of thermal ageing on the electrical treeing behaviours(initiation and growth)in XLPE cable insulation.For this purpose,the electrical treeing initiation and growth test were performed in accelerated thermal samples.In addition,Differential Scanning Calorimetry and Fourier Transform Infrared Spectroscopy were utilised to investigate corresponding changes in the microstructures of materials.In addition,a correlation was established between electrical treeing behaviours and physicochemical properties during the thermal ageing process.Test results indicate that the thermal ageing process should be divided into three phases,and the re-crystallisation reaction is considered the primary reason for the increase of average electrical tree initiation voltage(AETIV).Furthermore,the thermal ageing index Xc is correlated to AETIV and the propagation rate of the electrical tree.As equivalent relationships have been established between the relative decrease value w of indexes AETIV,the propagating rate and Xc,this method can be employed to predict the changing pattern of electrical treeing initiation voltage and the propagating rate in future research. | Yi Zhang Zaijun Wu Jiahong He Dongdong Zhang Minqiang Hu | 2023 | High Voltage2023，8，4： | 1 |
| 9 | A novel molecular classification method for osteosarcoma based on tumor cell differentiation trajectories显示文摘Subclassification of tumors based on molecular features may facilitate therapeutic choice and increase the response rate of cancer patients.However,the highly complex cell origin involved in osteosarcoma(OS)limits the utility of traditional bulk RNA sequencing for OS subclassification.Single-cell RNA sequencing(sc RNA-seq)holds great promise for identifying cell heterogeneity.However,this technique has rarely been used in the study of tumor subclassification.By analyzing sc RNA-seq data for six conventional OS and nine cancellous bone(CB)samples,we identified 29 clusters in OS and CB samples and discovered three differentiation trajectories from the cancer stem cell(CSC)-like subset,which allowed us to classify OS samples into three groups.The classification model was further examined using the TARGET dataset.Each subgroup of OS had different prognoses and possible drug sensitivities,and OS cells in the three differentiation branches showed distinct interactions with other clusters in the OS microenvironment.In addition,we verified the classification model through IHC staining in 138 OS samples,revealing a worse prognosis for Group B patients.Furthermore,we describe the novel transcriptional program of CSCs and highlight the activation of EZH2 in CSCs of OS.These findings provide a novel subclassification method based on sc RNA-seq and shed new light on the molecular features of CSCs in OS and may serve as valuable references for precision treatment for and therapeutic development in OS. | Hao Zhang Ting Wang Haiyi Gong Runyi Jiang Wang Zhou Haitao Sun Runzhi Huang Yao Wang Zhipeng Wu Wei Xu Zhenxi Li Quan Huang Xiaopan Cai Zaijun Lin Jinbo Hu Qi Jia Chen Ye Haifeng Wei Jianru Xiao | 2023 | Bone Research2023，11，1： | 0 |
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