Showing 1 - 20 results of 4,181 for search '"Changchun"', query time: 0.09s Refine Results
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    Water Resource Vulnerability Assessment of Changchun City Based on DPSIR-TOPSIS Model by Zhu Yifan, He Hong, Zhang Wenjing, Du Shanghai

    Published 2022-10-01
    “…[Objective] The current situation and influencing factors of water resource vulnerability in Changchun City, Jilin Province were analyzed in order to provide a reference for the development, utilization, protection, and management of water resources in Changchun City. …”
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    Distribution and characteristics of human papilloma virus infection genotyping in women in Changchun area by Pingping Zhou, Zhenwu Du, Xuyuan Qin, Jiaxin Chen, Guizhen Zhang

    Published 2025-01-01
    “…[Objective] To analyze the infection and genotyping characteristics of human papilloma virus(HPV) in women in Changchun area, and provide a theoretical basis for the prevention and treatment of HPV infection induced diseases in this area. …”
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    Time series analysis of the impact of air pollutants on influenza-like illness in Changchun, China by Yang Pan, Laishun Yao, Biao Huang, Yinghua He, Changxi Xu, Xianda Yang, Yingying Ma, Zhidi Wang, Xingyu Wang, Hong Zhu, Man Wang, Lijun Song, Xiao Liu, Guiping Yu, Lin Ye, Liting Zhou

    Published 2025-04-01
    “…This study evaluates the short-term effects of six major air pollutants on influenza-like illness (ILI) incidence in Changchun, Northeast China, with implications for air quality management and respiratory disease prevention. …”
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    Analysis of Air Quality Changes and Influencing Factors in Changchun during the COVID-19 Pandemic in 2020 by Hanbo Gao, Ju Wang, Tongnan Li, Chunsheng Fang

    Published 2021-06-01
    “…In conclusion, the lockdown only temporarily reduced the air pollution in Changchun.…”
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    Analysis of unqualified ALT results in the initial screening and re-examination of blood donors in Changchun, China by HE Min, CUI Jingru, WANG Zhiyong, MA Yang

    Published 2025-04-01
    “…[Objective] To investigate the non-pathological influencing factors of the unqualified alanine aminotransferase (ALT) in the initial screening of blood donors in Changchun and the laboratory re-examination, so as to provide evidence for reducing the deferral of blood donors and the discarding of blood due to ALT disqualification. …”
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    Epidemiological status quo of hypertension in elderly population in Changchun, China: a cross-sectional study by Yong Li, Yawen Liu, Yi Cheng, Yulu Gu, Yaxuan Ren, Jikang Shi, Yichun Qiao, Yunkai Liu

    Published 2022-03-01
    “…Objectives To investigate the epidemiological status quo of hypertension in elderly population in Changchun, China, and provide a reference for the prevention and control strategies of hypertension of elderly population in this region.Design A cross-sectional study, as a part of a comprehensive project in Northeast China, was designed to perform in 10 districts in Changchun.Participants and setting A total of 6846 participants who were ≥60 years old were selected using a random sampling method.Main outcome measures The epidemiological status quo of hypertension.Results The prevalence of hypertension in Changchun was 52.6%. …”
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    Correction of Earth Pressure and Analysis of Deformation for Double-Row Piles in Foundation Excavation in Changchun of China by Yijun Zhou, Aijun Yao, Haobo Li, Xuan Zheng

    Published 2016-01-01
    “…Represented by the deep foundation pit engineering of Changchun, the strain and the displacement of the double-row piles and the earth pressure are calculated by the above-mentioned physical model test. …”
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    NH3 release during the evaporation of different types of atmospheric precipitation: A case study in Changchun, China by Xiaoteng Liu, Yingying Xu, Hongsheng Jia, Yunze Zhao, Haodong Hou, Yachao Zhang

    Published 2025-08-01
    “…In this study, precipitation samples of haze (HZ), dust (DS), convective (CC), and monsoon (MN) events were collected three times in Changchun from March to September 2024 (a total of twelve rain events), and indoor simulation evaporation experiments were conducted. …”
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    Space optimization of old residential areas based on spatial syntax theory -- Take Changjiang Village, Changchun city as an example by Yan Li, Lin Huiying

    Published 2025-01-01
    “…Based on the spatial syntactic theory, this paper makes a quantitative analysis of the spatial structure of Changchun Changjiang Village using Depthmap software, discusses the characteristics of the spatial structure, and proposes the corresponding spatial optimization strategies. …”
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    Modified Maintenance Network Model for Urban Rail Transit Systems Based on the Variable Coverage Radius: Evidence from Changchun City in China by Yuan Jiang, Baofeng Sun, Lili Zheng, Wankun Cui, Xinhua Mao

    Published 2020-01-01
    “…Therefore, a BBO algorithm is implemented with combinatorial optimization programming. Experiments from Changchun city in China show that the proposed model and algorithm are effective in fulfilling network-wide requirements through a direct tradeoff between the coverage radius and maintenance response time. …”
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    Effects of Urban Park Construction Period on Plant Multidimensional Diversities, Landscape Patterns of Green Spaces, and Their Associations in Changchun City, Northeast China by Xiao Yao, Dan Zhang, Yuhang Song, Hongjian Zhang, Xiaolei Zhang, Yufei Chang, Xinyuan Ma, Ziyue Lu, Yuanyuan Wang

    Published 2025-03-01
    “…Understanding the characteristics of urban plant multidimensional diversity and urban green spaces (UGSs) landscape patterns is the central theme of urban ecology, providing theoretical support for UGSs management and biodiversity conservation. Taking Changchun, a provincial city, as an example, a total of 240 plots were surveyed using the stratified random sampling method. …”
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    Relationship between Air Pollution and Hospital Admissions for Chronic Obstructive Pulmonary Disease in Changchun, China: A Season-Stratified Case-Cross Study by Ye Ju, Xinli Ma, Huibo Li, Shuang Liu, A. Liya, Xinrong Guo

    Published 2021-01-01
    “…The data on a total of 1,733 hospitalized patients living in Changchun with acute exacerbation of COPD from September 2013 to April 2018 were collected from a comprehensive 3A hospital of Changchun. …”
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    Spatiotemporal evolution and driving factors analysis of carbon stock in traditional industrial transformation region: a case study in Harbin and Changchun urban agglomeration, China by Rui Zhi, Lin Lin, Lin Lin, Xu Yang, Xu Yang, Jingxiao Zhang, Jinggan Shao, Xiangdong Xu

    Published 2025-07-01
    “…Driven by a series of policies, the rapid urban expansion and industrial transformation of the Harbin and Changchun Urban Agglomeration (HCUA), has altered the original land use structure, adversely impacting the ecological environment. …”
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    Spatial and Temporal Changes and Influencing Factors of Mercury in Urban Agglomeration Land Patterns: A Case from Changchun Area, Old Industrial Base of Northeast China by Zhe Zhang, Zhaojun Wang, Jing Zong, Hongjie Zhang, Yufei Hu, Yuliang Xiao, Gang Zhang, Zhenxin Li

    Published 2025-03-01
    “…This study investigated the spatiotemporal dynamics of mercury in soils and atmosphere across four spatial scales (central city, county, township, and village) within the Changchun urban agglomeration, China. During spring, summer, and autumn of 2023, surface soil and atmospheric mercury concentrations (at 0 cm and 100 cm) were measured using LUMEX RA-915+ at 361 sites. …”
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