On a System of Two High-Order Nonlinear Difference Equations by Qianhong Zhang, Wenzhuan Zhang

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Crystal structure of (Z)-3-((tert-butylamino) methylene)-2-(2-hydroxynaphthalen-1-yl) chroman-4-one, C24H23NO3 by Liu Tianhao, Lv Menglan

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More on Spectral Analysis of Signed Networks by Guihai Yu, Hui Qu

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Deep Searches for Radio Pulsations and Bursts from Four Magnetar and a Magnetar-like Pulsar with FAST by Juntao Bai, Na Wang, Shi Dai, Shuangqiang Wang, Jianping Yuan, Wenming Yan, Lunhua Shang, Xin Xu, Shijun Dang, Zhen Zhang

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Application of Supply-Demand-Based Optimization for Parameter Extraction of Solar Photovoltaic Models by Guojiang Xiong, Jing Zhang, Dongyuan Shi, Xufeng Yuan

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Feedback on Escape Behavior of Birds Under Different Hunger Pressure by Xiao‐Yang Bao, Jia‐Jia Xin, Yuan‐Xing Ye, Can‐Shi Hu

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Identification and functional analysis of Wall-Associated Kinase genes in Nicotiana tabacum by Ling Li, Linggai Cao, Jintao Li, Zhiqiang Zhang, Zhiqiang Zhang, Jie Liu, Zhongying Ren, Jie Zhang, Rengang Wang, Yangfan Miao, Shizhou Yu, Wei Li, Wei Li

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The Periodic Boundary Value Problem for a Quasilinear Evolution Equation in Besov Spaces by Yun Wu, Zhengrong Liu, Xiang Zhang

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A Virtual Instrument System for Determining Sugar Degree of Honey by Qijun Wu, Xun Gong

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On Dynamical Behavior of Discrete Time Fuzzy Logistic Equation by Qianhong Zhang, Fubiao Lin

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New Exact Solitary Wave Solutions of a Coupled Nonlinear Wave Equation by XiaoHua Liu, CaiXia He

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Mineralogical Characteristics of Phosphate Tailings for Comprehensive Utilization by Song Mao, Qin Zhang

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A Class of Spectral Element Methods and Its A Priori/A Posteriori Error Estimates for 2nd-Order Elliptic Eigenvalue Problems by Jiayu Han, Yidu Yang

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The preparation of magnesium ferrous sulfate from pre-oxidized acid mine drainage by TAN Dongdong, NIE Guanghua, DENG Qiang

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DNA Nanotweezers with Hydrolytic Activity for Enzyme-Free and Sensitive Detection of Fusion Gene via Logic Operation by Yongjie Xu, Xiangrong Luo, Nana Geng, Mingsong Wu, Zhishun Lu

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Distribution Pattern of Cadmium in the Profile of Shallow Fissure Soil and Its Influencing Factors in Karst Areas with High Geological Background by FAN Pingping, CHEN Jia, ZHANG Feng, NIU Yong, FANG Nufang, WU Zeyan, CAI Huayin

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Insider Trading with Memory under Random Deadline by Kai Xiao, Yonghui Zhou

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Approximation Properties of New Modified Gamma Operators by Yun-Shun Wu, Wen-Tao Cheng, Wei-Ping Zhou, Lun-Zhi Deng

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The impact of COVID-19 pandemic on sleep duration and mental health among middle school students: a 3-year cross-sectional survey by Kai-yun Dou, Ru-bao Dong, Chun-long Gan

“…Changes in daily life and teaching methods, along with the high initial mortality rate of COVID-19, have had varying degrees of negative impact on the mental health (MH) of adolescents.PurposesThis study aimed to explore the impact of the COVID-19 pandemic status on the sleep duration (SD) and MH of adolescents, investigate the relationship between SD and MH in middle school students, and evaluate the protective effect of SD on MH.MethodsUsing a convenient sampling method, 6 junior high schools and 3 senior high schools in Guiyang City, China, were selected. Random samples from two classes per grade in each school were chosen for the survey. …”
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Nitrogen Deposition and Leaching from Two Forested Catchments in Southwest China — Preliminary Data and Research Needs by T. Larssen, J. Mulder, Y. Wang, X. Chen, J. Xiao, D. Zhao

“…Here we present data from two forested catchments, dominated by Masson pine (Pinus massoniana), near Guiyang and Chongqing, respectively, in Southwest China. …”
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