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| 1 | Human movement monitoring and behavior recognition for intelligent sports using customizable and flexible triboelectric nanogenerator显示文摘Effective collection,recognition,and analysis of sports information is the key to intelligent sports,which can help athletes to improve their skills and formulate scientific training plans and competition strategies.At present,wearable electronic devices used for movement monitoring still have some limitations,such as high cost and energy consumption,incompatibility of suitable flexibility and personalized spatial structure,dissatisfactory data analysis methods,etc.In this work,a novel three-dimensionalprinted thermoplastic polyurethane is introduced as the elastic shell and friction layer,and it endows the proposed customizable and flexible triboelectric nanogenerator(CF-TENG)with personalized spatial structure and robust correlation to external pressure.In practical application,it exhibits highly sensitive responses to the joint-bending motion of the finger,wrist,or elbow.Furthermore,a pressure-sensing insole and smart ski pole based on CF-TENG are manufactured to build a comprehensive sports monitoring system to transmit the athletes’motion information from feet and hands through the plantar pressure distribution and ski pole action.To recognize the movement status,the self-developed automatic peak recognition algorithm(P-Find)and machine learning algorithm(subspace K-Nearest Neighbors)were introduced to accurately distinguish the four typical motion behaviors and three primary sub-techniques of cross-country skiing,with accuracy rates of 98.2%and 100%.This work provides a novel strategy to promote the personalized applications of TENGs in intelligent sports. | YANG Yun HOU XiaoJuan GENG WenPing MU JiLiang ZHANG Le WANG XiangDong HE Jian XIONG Ji Jun CHOU XiuJian | 2022 | Science China(Technological Sciences)2022，65，4： | 6 |
| 2 | Carboniferous integrative stratigraphy and timescale of China显示文摘The Carboniferous period lasted about 60 Myr, from ~358.9 Ma to ~298.9 Ma. According to the International Commission on Stratigraphy, the Carboniferous System is subdivided into two subsystems, i.e., Mississippian and Pennsylvanian, including 6 series and 7 stages. The Global Stratotype Sections and Points(GSSPs) of three stages have been ratified, the Tournaisian, Visean, and Bashkirian stages. The GSSPs of the remaining four stages(i.e., the Serpukhovian, Moscovian,Kasimovian, and Gzhelian) have not been ratified so far. This paper outlines Carboniferous stratigraphic subdivision and correlation on the basis of detailed biostratigraphy mainly from South China, and summarizes the Carboniferous chronostratigraphic framework of China. High-resolution biostratigraphic study reveals 37 conodont zones, 24 foraminiferal(including fusulinid) zones, 13 ammonoid zones, 10 brachiopod zones, and 10 rugose coral zones in the Carboniferous of China. The biostratigraphic framework based on these biozones warrants the precise correlation of regional stratigraphy of China(including2 subsystems, 4 series, and 8 stages) to that of the other regions globally. Meanwhile, the Carboniferous chemo-, sequence-,cyclo-, and event-stratigraphy of China have been intensively studied and can also be correlated worldwide. Future studies on the Carboniferous in China should focus on(1) the correlation between shallow-and deep-water facies and between marine and continental facies,(2) high-resolution astronomical cyclostratigraphy, and(3) paleoenvironment and paleoclimate analysis based on geochemical proxies such as strontium and oxygen isotopes, as well as stomatal indices of fossil plants. | Xiangdong WANG Keyi HU Wenkun QIE Qingyi SHENG Bo CHEN Wei LIN Le YAO Qiulai WANG Yuping QI Jitao CHEN Zhuoting LIAO Junjun SONG | 2019 | Science China Earth Sciences2019，62，1： | 2 |
| 3 | Linear transgene constructs lacking vector backbone sequences generate low-copy-number transgenic plants with simple integration patterns显示文摘 | Xiangdong Fu Le Tan Duc Stefania Fontana Bui Ba Bong Porntip Tinjuangjun Durailagaraja Sudhakar Richard M. Twyman Paul Christou Ajay Kohli | 2000 | Transgenic Research2000，，1： | 1 |
| 4 | A high expression level of insulin-like growth factor I receptor is associated with increased expression of transcription factor Sp1 and regional lymph node metastasis of human gastric cancer显示文摘 | Yixing Jiang Liwei Wang Weida Gong Daoyan Wei Xiangdong Le James Yao Jaffer Ajani James L. Abbruzzese Suyun Huang Keping Xie | 2005 | Clinical & Experimental Metastasis2005，，8： | 1 |
| 5 | Disruption of Klf4 in Villin-Positive Gastric Progenitor Cells Promotes Formation and Progression of Tumors of the Antrum in Mice显示文摘 | Qiang Li Zhiliang Jia Li Wang Xiangyu Kong Qi Li Kun Guo Dongfeng Tan Xiangdong Le Daoyan Wei Suyun Huang Lopa Mishra Keping Xie | 2012 | Gastroenterology2012，，3： | 1 |
| 6 | Star3 activation regulates the expression of vascular endothelial growth factor and hmnan pancreatic cancer angiogenesis and metastasis 显示文摘 | Daoyan Wei Xiangdong Le Leizhen Zheng | 2003 | Oncogene2003，22，： | 1 |
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