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    The impact of physical exercise on adolescents’ mobile phone dependency: the serial mediating role of self-esteem and depression by Jingtao Wu, Yanhong Shao, Wanli Zang

    Published 2025-02-01
    “…ObjectiveThe objective of this study is to examine the impact of physical exercise on the prevalence of mobile phone dependency among middle school students, as well as to delineate the serial mediating roles of self-esteem and depression within this relationship.MethodsA convenient cluster random sampling method was employed to conduct a questionnaire survey among 3,786 middle school students from Guangdong, Sichuan, Zhejiang, Henan, and other provinces. …”
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  13. 3153

    Genomic characterization and evolutionary analysis of a Getah virus variant from piglets in central China by Zhenhua Guo, Yao Jiang, Peng Li, Gaiping Zhang, Gaiping Zhang, Gaiping Zhang, Gaiping Zhang

    Published 2025-02-01
    “…The genomic characteristics and evolutionary relationship of the pathogenic viral strain were also analyzed.ResultsThe isolate GETV-HeN202309 shared the highest nucleotide identity of 99.8% with strains from Guangdong and Sichuan province, suggesting it is an imported transmission. …”
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    Evaluation of the Production-Education Integration Performance of the High-Tech Industry: An Empirical Comparison between Three Urban Agglomerations in China by Quan Zhang, Zhen Zhang, Zhuomei Li, Sifeng Li, Tianzhen Tang

    Published 2021-01-01
    “…On this basis, the correlation-entropy composite matter-element (CECME) model and coupling coordination degree (CCD) model were introduced to empirically compare the PEI performance of the high-tech industry between Guangdong-Hong Kong-Macao (GHKM) Greater Bay Area, Beijing-Tianjin-Hebei (BTH) Urban Agglomeration, and Yangtze River Delta (YRD) Urban Agglomeration. …”
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    Spatial and Temporal Variation Characteristics of Forests and Analysis of Potential for Reconstruction of Water Conservation Forests in the Dongjiang River Basin from 1980 to 2020 by DAI Miaolin, LU Xiaoqi, ZANG Chuanfu, ZHU Ke, QIU Xintong, LUO Yiwen, ZHANG Weiqiang, GAN Xianhua

    Published 2023-01-01
    “…The Dongjiang River is the most important water source area in the Guangdong-Hong Kong-Macao Greater Bay Area,supplying water for the three mega-cities of Hong Kong,Shenzhen,and Guangzhou.The Dongjiang River Basin has abundant light and heat resources and sufficient rainfall,and it is one of the regions with the highest forest coverage rate in China.Since 1980,the land cover,especially the forest with the largest proportion in the Dongjiang River Basin,has changed significantly in the Dongjiang River Basin under the influence of natural factors,policy,and economic development.Therefore,how to scientifically plan and design afforestation projects and transform water conservation forests according to potential has become a hot social issue.The study was based on 30 m resolution land use and soil data of the Dongjiang River Basin from 1980 to 2020,and it combined with the data of Dongjiang River Source station and socio-economic index data.The study used spatial analysis and factor analysis to explore the spatial-temporal changes and driving mechanisms of forest cover in the Dongjiang River Basin from 1980 to 2020 and analyze the potential of water conservation forest reconstruction in the future.① From 1980 to 2020,the forest decreased continuously in the Dongjiang River Basin,with a total reduction of 998.81 km<sup>2</sup>.The changes were mainly concentrated in the south and north of the Dongjiang River Basin.In the northern part of the basin,a great deal of forest has been transformed into farmland,while in the southern part of the basin,a great deal of forest has been transformed into cities and countrysides or areas for industry,mining,and housing.② In the period of 1980—2020,the main factors affecting the change of forest area were the number of permanent residents,population density,GDP,output value of secondary and tertiary industries,output value of industry,agriculture,and forestry,total retail sales of social consumer goods,investment in fixed assets,and urban registered unemployment rate.③ The area for future reconstruction in the Dongjiang River Basin was 5 365 km<sup>2</sup>.The areas with high potential for reconstruction were mainly in the north and southeast parts of the basin.In the past 40 years,the forest area of the Dongjiang River Basin has continued to decrease and is strongly influenced by human activities.Water conservation forest has great potential to be transformed.…”
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    Human Health, Ecosystem Quality, and Resource Scarcity Burdens Inflicted by Livestock Production Across Chinese Regions by Yixuan Shao, Qilin Cao, Junnian Song, Jiahao Xing, You Wu, Cheng Sun, Pan He, Wei Yang

    Published 2025-01-01
    “…Whereas regions with the largest export (Inner Mongolia, 3.87 × 104 DALY for health burdens) or import (Guangdong, 3.92 × 104 DALY for health burdens) do not necessarily bear greatest burdens. …”
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