Qiyuan Wang
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View article: Measurement report: Observational insights into the impact of dust transport on atmospheric dicarboxylic acids in ground region and free troposphere
Measurement report: Observational insights into the impact of dust transport on atmospheric dicarboxylic acids in ground region and free troposphere Open
Dust transport significantly affects downwind aerosol formation and regional climate, yet the evolutionary mechanisms of SOA during this process remain poorly understood. Here, we conducted vertical observations of PM2.5 and size-segregate…
View article: Temporal Dynamics and Source Apportionment of PM2.5 in a Coastal City of Southeastern China: Insights from Multiyear Analysis
Temporal Dynamics and Source Apportionment of PM2.5 in a Coastal City of Southeastern China: Insights from Multiyear Analysis Open
Xiamen, a rapidly developing coastal metropolis and tourist hub in southeastern China, faces air quality challenges due to its dense population and tourism reliance. This study investigates PM2.5 sources and temporal variations during autu…
View article: Laboratory studies on the optical, physical, and chemical properties of fresh and aged biomass burning aerosols
Laboratory studies on the optical, physical, and chemical properties of fresh and aged biomass burning aerosols Open
Atmospheric brown carbon (BrC) plays a significant role in global warming, yet the evolution of its optical properties during aging remains poorly understood, leading to substantial uncertainties in its climate effects. In this study, we i…
View article: A Dual-Layer Frequency Selective Surfaces with Tunable Transmission and Fixed Absorption Bands
A Dual-Layer Frequency Selective Surfaces with Tunable Transmission and Fixed Absorption Bands Open
This paper presents dual-layer frequency selective surfaces (FSSs) with frequency division control function through an integrated tunable transmission window at a lower frequency and an absorption performance at a higher frequency. The bot…
View article: Reconfigurable Microwave Absorption Properties and Principles of Double-Layer Metasurface Absorbers
Reconfigurable Microwave Absorption Properties and Principles of Double-Layer Metasurface Absorbers Open
A reconfigurable microwave absorber based on double-layer metasurface is proposed for wide microwave band applications spanning 3 to 14 GHz. The absorber consists of two layers with two-dimensional array of four-semi-circular and square-ri…
View article: Depression and anxiety symptoms associated with internet addiction and non-suicidal self-injury in Chinese adolescent students - a network analysis
Depression and anxiety symptoms associated with internet addiction and non-suicidal self-injury in Chinese adolescent students - a network analysis Open
This study suggests that NSSI and IA are conditionally independent of depression and anxiety. Specific symptoms including suicidal ideation, afraid, and restlessness are the key intervention targets of NSSI and IA behaviors.
View article: Measurement report: Observational insights into the impact of dust transport on atmospheric dicarboxylic acids in ground region and free troposphere
Measurement report: Observational insights into the impact of dust transport on atmospheric dicarboxylic acids in ground region and free troposphere Open
This study investigated the vertical distribution of PM2.5 and size-segregated aerosols at the foot and top of Mount Hua in Northwest China, focusing on C2 formation and its δ13C characteristics influenced by dust transport. Under non-dust…
View article: Measurement Report: Hygroscopicity and mixing state of submicron aerosols in the lower free troposphere over central China：local, regional and long-range transport influences
Measurement Report: Hygroscopicity and mixing state of submicron aerosols in the lower free troposphere over central China：local, regional and long-range transport influences Open
Understanding the hygroscopicity and mixing state of atmospheric aerosol particles is crucial for improving predictions of cloud formation and climate impacts. However, measurements in the lower free troposphere - a representative atmosphe…
View article: Supplementary material to "Measurement Report: Hygroscopicity and mixing state of submicron aerosols in the lower free troposphere over central China：local, regional and long-range transport influences"
Supplementary material to "Measurement Report: Hygroscopicity and mixing state of submicron aerosols in the lower free troposphere over central China：local, regional and long-range transport influences" Open
View article: WITHDRAWN: Identifying key drivers affecting oxidative potential in road dust and assessing the comprehensive risk involving urban land use data: A field study in Guanzhong urban cluster, China
WITHDRAWN: Identifying key drivers affecting oxidative potential in road dust and assessing the comprehensive risk involving urban land use data: A field study in Guanzhong urban cluster, China Open
View article: Chemical composition and mixing state of elemental carbon-containing particles from solid fuel combustion
Chemical composition and mixing state of elemental carbon-containing particles from solid fuel combustion Open
Elemental carbon (EC), predominantly produced by solid fuel combustion, significantly influences both climate and public health. However, the physicochemical properties of EC-containing particles immediately after emission remain inadequat…
View article: Improved representation of black carbon mixing structures suggests stronger direct radiative heating
Improved representation of black carbon mixing structures suggests stronger direct radiative heating Open
Black carbon significantly influences the Earth system because of its strong solar radiation absorption. However, its direct radiative effect remains poorly understood in current climate models, partly because current climate models oversi…
View article: Supplementary material to "Laboratory studies on the optical, physical, and chemical properties of fresh and aged biomass burning aerosols"
Supplementary material to "Laboratory studies on the optical, physical, and chemical properties of fresh and aged biomass burning aerosols" Open
View article: Laboratory studies on the optical, physical, and chemical properties of fresh and aged biomass burning aerosols
Laboratory studies on the optical, physical, and chemical properties of fresh and aged biomass burning aerosols Open
Atmospheric brown carbon (BrC) plays a significant role in global warming, yet the evolution of its optical properties during aging remains poorly understood, leading to substantial uncertainties in its climate effects. In this study, we i…
View article: Source‐Specific Mass Absorption Efficiencies of Char‐EC and Soot‐EC Improve Accuracy in Black Carbon Radiative Effect Estimation
Source‐Specific Mass Absorption Efficiencies of Char‐EC and Soot‐EC Improve Accuracy in Black Carbon Radiative Effect Estimation Open
Optical properties of elemental carbon (EC) are critical for climate modeling due to its strong light absorption. Elemental carbon consists of char‐EC and soot‐EC, which differ in mass absorption efficiency (MAE). However, the MAEs of thes…
View article: Unveiling differences in source apportionment and optical properties of wintertime carbonaceous aerosols in northern and southern Chinese Cities
Unveiling differences in source apportionment and optical properties of wintertime carbonaceous aerosols in northern and southern Chinese Cities Open
Carbonaceous aerosols adversely affect air quality, visibility and public health. Understanding their regional variations and sources in China is essential for improving air quality control. Carbonaceous aerosols were collected during wint…
View article: Total Astragalus saponins promote ferroptosis in gastric cancer cells by upregulating SIRT3
Total Astragalus saponins promote ferroptosis in gastric cancer cells by upregulating SIRT3 Open
TAS has therapeutic potential for GC and can effectively inhibit the proliferation and viability of SGC-7901 cells, and the mechanism may be that TAS upregulates SIRT3 to promote the ferroptosis of SGC-7901 cells.
View article: Real-Time Source Apportionment Approaches in Six Chinese Cities Using the Axa (Acsm, Xact, Aethalometer) Instrumental Set-Up
Real-Time Source Apportionment Approaches in Six Chinese Cities Using the Axa (Acsm, Xact, Aethalometer) Instrumental Set-Up Open
View article: Aerosol light absorption alleviates particulate pollution during wintertime haze events
Aerosol light absorption alleviates particulate pollution during wintertime haze events Open
Aerosol light absorption has been widely considered as a contributing factor to the worsening of particulate pollution in large urban areas, primarily through its role in stabilizing the planetary boundary layer (PBL). Here, we report that…
View article: A Comparative Study of the Latest Editions of China–Japan–US Green Building Evaluation Standards
A Comparative Study of the Latest Editions of China–Japan–US Green Building Evaluation Standards Open
The Green Building Evaluation Standard (ESGB) has become an important support for China’s building sector in realizing the “double carbon” goal. However, there remains a lack of comprehensive research on the historical evolution and develo…
View article: Dominant influence of biomass combustion and cross-border transport on nitrogen-containing organic compound levels in the southeastern Tibetan Plateau
Dominant influence of biomass combustion and cross-border transport on nitrogen-containing organic compound levels in the southeastern Tibetan Plateau Open
The Tibetan Plateau (TP) is highly susceptible to climate change, and nitrogen-containing organic compounds (NOCs) in fine particulate matter (PM2.5) represent one of the largest uncertainties with respect to their impact on the climate in…
View article: Composition and Sources of Organic Aerosol in Two Megacities in Western China Using Complementary Mass Spectrometric and Statistical Techniques
Composition and Sources of Organic Aerosol in Two Megacities in Western China Using Complementary Mass Spectrometric and Statistical Techniques Open
Over 300 daily PM2.5 filter samples were collected in two western Chinese megacities, Xi'an and Chongqing, from October 2019 to May 2020. Their aqueous extracts were nebulized simultaneously to an aerosol mass spectrometer (AMS)…
View article: Global carbon emission accounting: national-level assessment of wildfire CO <sub>2</sub> emission – a case study of China
Global carbon emission accounting: national-level assessment of wildfire CO <sub>2</sub> emission – a case study of China Open
Wildfires release large amounts of greenhouse gases into the atmosphere, exacerbating climate change and causing severe impacts on air quality and human health. Including carbon dioxide (CO2) emissions from wildfires in international asses…
View article: Comment on egusphere-2024-1130
Comment on egusphere-2024-1130 Open
Abstract. The Tibetan Plateau (TP) is highly susceptible to climate change and the nitrogen-containing organic compounds (NOCs) in fine particulate matter (PM2.5) represent one of the large uncertainties in affe…
View article: Dominant Influence of Biomass Combustion and Cross-Border Transport on Nitrogen-Containing Organic Compound Levels in the Southeastern Tibetan Plateau
Dominant Influence of Biomass Combustion and Cross-Border Transport on Nitrogen-Containing Organic Compound Levels in the Southeastern Tibetan Plateau Open
The Tibetan Plateau (TP) is highly susceptible to climate change and the nitrogen-containing organic compounds (NOCs) in fine particulate matter (PM2.5) represent one of the large uncertainties in affecting the climate in high-altitude are…
View article: Local incomplete combustion emissions define the PM2.5 oxidative potential in Northern India
Local incomplete combustion emissions define the PM2.5 oxidative potential in Northern India Open
View article: Major source categories of PM2.5 oxidative potential in wintertime Beijing and surroundings based on online dithiothreitol-based field measurements
Major source categories of PM2.5 oxidative potential in wintertime Beijing and surroundings based on online dithiothreitol-based field measurements Open
Fine particulate matter (PM2.5) causes millions of premature deaths each year worldwide. Oxidative potential (OP) has been proposed as a better metric for aerosol health effects than PM2.5 mass concentration alone. In…
View article: PM2.5 and O3 in an Enclosed Basin, the Guanzhong Basin of Northern China: Insights into Distributions, Appointment Sources, and Transport Pathways
PM2.5 and O3 in an Enclosed Basin, the Guanzhong Basin of Northern China: Insights into Distributions, Appointment Sources, and Transport Pathways Open
Aerosol samples (PM2.5) were collected in Xi’an (XN) from 11 August to 11 September 2021 and in Qinling (QL) from 14 July to 24 August 2021, respectively. In addition, ozone (O3) data were collected in order to investigate the characterist…
View article: Combined use of principal component analysis/multiple linear regression analysis and artificial neural network to assess the impact of meteorological parameters on fluctuation of selected PM2.5-bound elements
Combined use of principal component analysis/multiple linear regression analysis and artificial neural network to assess the impact of meteorological parameters on fluctuation of selected PM2.5-bound elements Open
Based on the data of the State of Global Air (2020), air quality deterioration in Thailand has caused ~32,000 premature deaths, while the World Health Organization evaluated that air pollutants can decrease the life expectancy in the count…
View article: Synergistic Ru-Co Atomic Pair with Enhanced Activity Toward Levulinic Acid Hydrogenation
Synergistic Ru-Co Atomic Pair with Enhanced Activity Toward Levulinic Acid Hydrogenation Open