Pengju Liu

China University of Mining and Technology

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Longyi Shao

China University of Mining and Technology

Yaxin Cao

China University of Mining and Technology

Cheng‐Xue Yang

China University of Geosciences (Beijing)

Wenhua Wang

China University of Mining and Technology

Xiaolei Feng

China University of Mining and Technology

Daizhou Zhang

Prefectural University of Kumamoto

Kelly BéruBé

Cardiff University

Timothy Peter Jones

Cardiff University

Xuying Ma

Xi'an University of Science and Technology

Lidia Morawska

Queensland University of Technology

Cooperative Institutions

China University of Mining and Technology

Chinese Academy of Sciences

University of Chinese Academy of Sciences

State Key Joint Laboratory of Environment Simulation and Pollution Control

Research Center for Eco-Environmental Sciences

Tsinghua University

State Forestry and Grassland Administration

Chinese Academy of Forestry

Institute of Forest Resource Information Techniques

Northwest A&F University

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Airborne microplastics: A review of current perspectives and environmental implications

Journal of Cleaner Production (2022)

Longyi Shao Yaowei Li Timothy Peter Jones M. Santosh Pengju Liu

Hydrosphere

Environmental Monitoring

Identification

10.1016/j.jclepro.2022.131048

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Citations (82)

Floating Population, Housing Security and Family Medical Economic Risk

Sustainability (2022)

Tao Li Yi-Tong Zhang He-Wen Zhu Pengju Liu

With the rapid development of China’s economy and the acceleration of urbanization, the country’s housing security system is constantly improving. To address the housing difficulties experienced by low- and middle-income populations, China has formulated the housing provident fund system and the affordable housing system. However, especially for the floating population, housing and medical security have not resulted in an equalization of services. We thus analyze data from Chinese Family Panel Studies (CFPS) to describe the influence of housing security on the family medical economic risk of the floating population. According to the results, the payment of housing provident fund can effectively reduce the incidence of catastrophic health expenditures. In contrast, per capita financial expenditure on affordable housing will significantly increase family medical economic risk. Heterogeneity tests based on the household register and income levels show that the impacts of housing security vary across populations. In addition, the influence mechanism analysis shows that the impact is mediated through housing mortgage loans. Based on the conclusions drawn, three policy recommendations of optimizing the guarantee function of the housing provident fund system, expanding the coverage of affordable housing policy, and promoting the coordinated development of housing and medical security are proposed. This research not only has theoretical and practical significance for the establishment of the security system for the floating population in China but also provides an effective reference for the development of housing and medical security systems in other countries.

Affordable housing

Floating population

10.3390/su141811220

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Citations (2)

Mineralogical similarities and differences of dust storm particles at Beijing from deserts in the north and northwest

The Science of The Total Environment (2021)

Wenhua Wang Longyi Shao Daizhou Zhang Yaowei Li Wenjun Li

Mineral dust

Dust storm

Asian Dust

10.1016/j.scitotenv.2021.149980

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Citations (26)

Has Digital Financial Inclusion Narrowed the Urban–Rural Income Gap? A Study of the Spatial Influence Mechanism Based on Data from China

Sustainability (2023)

Pengju Liu Yi-Tong Zhang Sheng‐Qi Zhou

Although extant literature has extensively discussed the poverty reduction effect of digital financial inclusion, few papers have explored the association from a spatial perspective. Based on the Peking University Digital Financial Inclusive Index, this study empirically tests the impact of digital financial inclusion on the urban–rural income gap in China. To perform the analysis, this paper employs the spatial Durbin model (SDM) with double fixed effects and a mediating effect model. We find that (1) there is a significant positive spatial correlation between digital financial inclusion and the urban–rural income gap, and both variables have certain spatial agglomeration characteristics; (2) digital financial inclusion has a significant promotion effect and a positive spatial spillover effect on reducing the urban–rural income gap; and (3) the test of the spatial influence mechanism shows that the above effect is achieved by promoting industrial structure upgrading. This paper combines the above results to propose corresponding policy recommendations, which are valuable for other developing countries and emerging economies with similar backgrounds to China.

Spillover effect

Promotion (chess)

10.3390/su15043548

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Citations (17)

Resuspended Nano-Minerals in Coal Ash: A Potential Factor in Elevated Lung Cancer Rates in Xuanwei and Fuyuan, Yunnan, China

Toxics (2024)

Wenhua Wang Mengyang Wang Longyi Shao J.F. Shao Pengju Liu

Xuanwei and the neighboring Fuyuan (XF) counties in Yunnan Province have the highest lung cancer incidence rates in China. Previous studies suggest that the nano-minerals released during the combustion of locally sourced "smoky" (bituminous) coal are the primary contributors to these elevated cancer rates. The coal ash generated during combustion predominantly consists of nano-minerals, which can be resuspended into the atmosphere during routine ash-handling activities. In this study, coal ash samples from XF counties and four additional provinces with lower lung cancer incidence rates were resuspended to simulate ash-handling activities and subsequently collected using a cascade PM2.5 sampler. Individual particles were analyzed using a high-resolution scanning electron microscope coupled with energy-dispersive X-ray spectroscopy (SEM-EDX). Based on their morphology and elemental composition, the particles were categorized into five major types: quartz, Si- and Al-rich (SiAl-rich), Ca-rich, Ca- and Mg-rich (CaMg-rich), and Fe-rich particles. The relative abundance of crystalline quartz particles was significantly higher in Xuanwei (22.2%) and Fuyuan (13.7%) compared to the other provinces, where quartz was also detected in lower concentrations. Similarly, the proportion of Fe-rich particles was notably higher in Xuanwei (10.9%) and Fuyuan (5.1%) than in other regions. These findings highlight the potential role of quartz and Fe-rich particles in contributing to the high lung cancer rates observed in XF counties. Further research is warranted to elucidate the toxicological mechanisms underlying the health effects of these particle types.

10.3390/toxics12120919

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Citations (0)

Extraction method of slope aspect based on DEM and solar radiation in mountain area of Beijing.

Beijing Linye Daxue xuebao (2018)

Yan Ming Pengju Liu Jiang YuHao Zhang YingKai Li Sun

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SEISMITE AND ITS RHYTHM IN THE GAOYUZHUANG FORMATION OF MESOPROTEROZOIC IN PINGQUAN COUNTY,HEBEI PROVINCE

Geoscience (2001)

Pengju Liu

Five seismitic rock units are discovered in the Gaoyuzhuang Formation of Mesoproterozoic in Pingquan County,Hebei Province.It is the earliest record of the seismitic event caused by vibrational liquefaction in carbonate rocks found in China up to date.The cycle rhythm of each period shows as 65 Ma±,which reflects regularity of fault activity on the north margin of Yanshan aulacogen.

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Photoelectrochemical treatment of landfill leachate in a continuous flow reactor

Bioresource Technology (2009)

Xu Zhao Jiuhui Qu Huijuan Liu Chunxia Wang Shuhu Xiao

10.1016/j.biortech.2009.08.098

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Citations (63)

Compositions, Sources, and Aging Processes of Aerosol Particles during Winter Hazes in an Inland Megacity of NW China

Atmosphere (2022)

Pengju Liu Longyi Shao Yaowei Li Wenhua Wang Mengyuan Zhang

As one of the largest inland megacities in Northwest (NW) China, Xi’an has been facing serious regional haze frequently, especially during winter. The composition of aerosols in Xi’an is highly complex due to its unique basinal topography and unique meteorological conditions. In this study, we characterized the morphology, size, and composition of individual aerosol particles collected during regional haze events at an urban site in Xi’an using Transmission Electron Microscopy (TEM) coupled with Energy-Dispersive X-ray Spectrometry (EDX). Six types of particles were identified based on their morphology and chemical composition, including organic (41.88%), sulfate (32.36%), soot (8.33%), mineral (7.91%), K-rich (5.13%), and fly ash particles (4.49%). These results demonstrate that the organic particles made a larger contribution to haze formation than the secondary inorganic particles during the sampling period. Size distribution and dominance suggest that organic and sulfate particles exert major control on the variation trends of particle size in haze. The coating thickness of organic-cored particles was about 369 nm and that of sulfate-cored particles was about 322 nm, implying that the organic particles were more aged than the sulfate particles. The results presented in this study provide further insights into understanding haze particle formation.

Haze

Particle (ecology)

10.3390/atmos13040521

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Citations (2)

Spatial interpolation of daily air temperature in mountain area based on PRISM.

Beijing Linye Daxue xuebao (2016)

Xia ZhiWu Pengju Liu Chen ZengWei Jiang YuHao

Interpolation

Prism

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Citations (0)