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Journal of Environmental Sciences 2023年第1期123卷 545-559页

作者： Yujie Zhang miaomiao cheng Jian Gao Junling Li State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijing 100012China

The formation and aging mechanism of secondary organic aerosol(SOA)and its influencing factors have attracted increasing attention in recent years because of their effects on climate change,atmospheric quality and human ***,there are still large errors between air quality model simulation results and field *** currently undetected components during the formation and aging of SOA due to the limitation of current monitoring techniques and the interactions among multiple SOA formation influencing factors might be the main reasons for the *** this paper,we present a detailed review of the complex dynamic physical and chemical processes and the corresponding influencing factors involved in SOA formation and *** all these results were mainly based the studies of photochemical smog chamber *** the properties of precursor volatile organic compounds(VOCs),oxidants(such as OH radicals),and atmospheric environmental factors(such as NOx,SO2,NH3,light intensity,temperature,humidity and seed aerosols)jointly influence the products and yield of SOA,the nucleation and vapor pressure of these products were found to be the most fundamental aspects when interpreting the dynamics of the SOA formation and aging *** development of techniques for measuring intermediate species in SOA generation processes and the study of SOA generation and aging mechanism in complex systems should be important topics of future SOA research.

关键词： Secondary organic aerosol Formation and aging mechanism Photochemical smog chamber Volatile organic compounds

Developing China's roadmap for air quality improvement:A review on technology development and future prospects

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Journal of Environmental Sciences 2023年第1期123卷 510-521页

作者： Yueyi Feng Miao Ning Wenbo Xue miaomiao cheng Yu Lei Institute of Atmospheric Environment Chinese Academy of Environmental PlanningBeijing 100012China Chinese Research Academy of Environmental Sciences Beijing 100012China

Air pollution control policies in China have been experiencing profound changes,highlighting a strategic transformation from total pollutant emission control to air quality improvement,along with the shifting targets starting from acid rain and NO_(x)emissions to PM_(2.5)pollution,and then the emerging O_(3)*** marvelous achievements have been made with the dramatic decrease of SO_(2)emission and fundamental improvement of PM_(2.5)*** these achievements,China has proposed Beautiful China target through 2035 and the goal of 2030 carbon peak and 2060 carbon neutrality,which impose stricter requirements on air quality and synergistic mitigation with Greenhouse Gas(GHG)*** this background,an integrated multi-objective and multi-benefit roadmap is required to provide decision support for China’s long-term air quality improvement *** paper systematically reviews the technical system for developing the air quality improvement roadmap,which was integrated from the research output of China’s National Key R&D Program for Research on Atmospheric Pollution Factors and Control Technologies(hereafter Special NKP),covering mid-and long-term air quality target setting techniques,quantitative analysis techniques for emission reduction targets corresponding to air quality targets,and pathway optimization techniques for realizing reduction *** experience and lessons derived from the reviews have implications for the reformation of China’s air quality improvement roadmap in facing challenges of synergistic mitigation of PM_(2.5)and O_(3),and the coupling with climate change mitigation.

关键词： Air quality management Air quality targets Mitigation pathway optimization Dynamic emission scenario Cost-benefit evaluation Integrated decision-support model

Data quality evaluation and calibration of on-road remote sensing systems based on exhaust plumes

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Journal of Environmental Sciences 2023年第1期123卷 317-326页

作者： Shijie Liu Xinlu Zhang Linlin Ma Liqiang He Shaojun Zhang miaomiao cheng State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijing 100012China Institute of Atmospheric Environment Chinese Research Academy of Environmental SciencesBeijing 100012China School of Environment State Key Joint Laboratory of Environment Simulation and Pollution ControlTsinghua UniversityBeijing 100084China State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex Beijing 100084China

In recent years,with rapid increases in the number of vehicles in China,the contribution of vehicle exhaust emissions to air pollution has become increasingly *** achieve the precise control of emissions,on-road remote sensing(RS)technology has been developed and applied for law enforcement and ***,data quality is still an existing issue affecting the development and application of *** this study,the RS data from a cross-road RS system used at a single site(from 2012 to 2015)were collected,the data screening process was reviewed,the issues with data quality were summarized,a new method of data screening and calibration was proposed,and the effectiveness of the improved data quality control methods was finally *** results showed that this method reduces the skewness and kurtosis of the data distribution by up to nearly 67%,which restores the actual characteristics of exhaust diffusion and is conducive to the identification of actual clean and high-emission *** annual variability of emission factors of nitric oxide decreases by 60%-on average-eliminating the annual drift of fleet emissions and improving data reliability.

关键词： On-road remote sensing(RS) Data quality Spearman rank correlation Least-square regression with a non-zero intercept Cook value

Comprehensive evaluation method of urban air quality statistics based on environmental monitoring data and its application

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Journal of Environmental Sciences 2023年第1期123卷 500-509页

作者： Linglu Qu Fahe Chai Shijie Liu Jingchun Duan Fan Meng miaomiao cheng Atmospheric Environment Institute Chinese Research Academy of Environmental SciencesBeijing 100012China Asia Center for Air Pollution Research Niigata 950-2144Japan

Air quality monitoring is effective for timely understanding of the current air quality status of a region or ***,the huge volume of environmental monitoring data,which has reasonable real-time performance,provides strong support for in-depth analysis of air pollution characteristics and ***,in the era of big data,to meet current demands for fine management of the atmospheric environment,it is important to explore the characteristics and causes of air pollution from multiple aspects for comprehensive and scientific evaluation of air *** study reviewed and summarized air quality evaluation methods on the basis of environmental monitoring data statistics during the 13th Five-Year Plan period,and evaluated the level of air pollution in the Beijing-Tianjin-Hebei region and its surrounding areas(i.e.,the“2+26”region)during the period of the three-year action plan to fight air *** suggest that air quality should be comprehensively,deeply,and scientifically evaluated from the aspects of air pollution characteristics,causes,and influences of meteorological conditions and anthropogenic *** is also suggested that a threeyear moving average be introduced as one of the evaluation indexes of long-term change of ***,both temporal and spatial differences should be considered when removing confounding meteorological factors.

关键词： Air quality assessment Air pollution Statistical analysis Environmental monitoring data Big data

Prospect of China's ambient air quality standards

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Journal of Environmental Sciences 2023年第1期123卷 255-269页

作者： Zongshuang Wang Yufei Tan Min Guo miaomiao cheng Yanyue Gu Siyu Chen Xuefang Wu Fahe Chai Chinese Research Academy of Environmental Sciences Beijing 100012China School of statistics Renmin University of ChinaBeijing 100872China

Ambient air quality standards are the core strategic goal of ambient air quality *** worldwide have given importance to research on the development of ambient air quality *** understand the history of the development of China’s ambient air quality standards,this study analyzed the background associated with all previous formulations and revisions of the standards,classification of functional areas,standard grading,pollutants,and evolution of the standard limits over the past 40 *** results show that since the initial release of the“Ambient Air Quality Standard”by China in 1982,it has been supplemented once,revised twice,and modified *** first ambient air quality standard specified the standard limits of six pollutants commonly found in ambient *** the development of ambient air quality management,the number of pollutants has increased to *** the release of the“Ambient Air Quality Standards”in 2012,the ambient air quality in China has significantly ***,the proportion of cities meeting these standards is still *** present,China is suitably positioned to make the standards associated with 24 hr SO2concentrations more stringent such that it meets the values defined in the World Health Organization(WHO)interim target-2 and the WHO air quality guideline(AQG).We further suggested that the SO2standard should be revised ***,regions with a relatively high proportion of cities meeting the standard are encouraged to introduce more stringent interim target limits in due course to manage the local ambient air quality.

关键词： Ambient ai Quality standard Standards development process Ambient air quality standards prospect

Discriminative explicit instance selection for implicit discourse relation classification

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Frontiers of Computer Science 2024年第4期18卷 129-138页

作者： Wei SONG Hongfei HAN Xu HAN miaomiao cheng Jiefu GONG Shijin WANG Ting LIU Information Engineering College Capital Normal UniversityBeijing 100048China iFLYTEK AI Research Institute Hefei 230088China Research Center for Social Computing and Information Retrieval Harbin Institute of TechnologyHarbin 150006China

Discourse relation classification is a fundamental task for discourse analysis,which is essential for understanding the structure and connection of *** discourse relation classification aims to determine the relationship between adjacent sentences and is very challenging because it lacks explicit discourse connectives as linguistic cues and sufficient annotated training *** this paper,we propose a discriminative instance selection method to construct synthetic implicit discourse relation data from easy-to-collect explicit discourse *** expanded instance consists of an argument pair and its sense *** introduce the argument pair type classification task,which aims to distinguish between implicit and explicit argument pairs and select the explicit argument pairs that are most similar to natural implicit argument pairs for data *** also propose a simple label-smoothing technique to assign robust sense labels for the selected argument *** evaluate our method on PDTB 2.0 and PDTB *** results show that our method can consistently improve the performance of the baseline model,and achieve competitive results with the state-of-the-art models.

关键词： discourse analysis PDTB discourse relation implicit discourse relation classification data expansion

Evaluating cost and benefit of air pollution control policies in China:A systematic review

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Journal of Environmental Sciences 2023年第1期123卷 140-155页

作者： Xinyuan Liu Chaoyi Guo Yazhen Wu Chen Huang Keding Lu Yuanhang Zhang Lei Duan miaomiao cheng Fahe Chai Fengqiao Mei Hancheng Dai Laboratory of Energy&Environmental Economics and Policy College of Environmental Sciences and EngineeringPeking UniversityBeijing 100871China School of Environment Tsinghua UniversityBeijing 100084China Chinese Research Academy of Environmental Sciences Beijing 100012China

China has put great efforts into air pollution control over the past years and recently committed to its most ambitious climate *** and benefit analysis has been widely used to evaluate the control policies in terms of past performance,future reduction potential,and direct and indirect *** understand the cost and benefit analysis for air pollution control in China,we conducted a bibliometric review of more than 100 studies published over the past two decades,including the current research progress,most commonly adopted methods,and core *** control target in cost and benefit analysis has shifted in three stages,from individual and primary pollution control,moving to joint prevention of multiple and secondary pollutants,and then towards synergistic control of air pollution and *** the expansion of the research scope,the integrated assessment model has gradually demonstrated the necessity for long-term ex-anti policy simulation,especially for dealing with complex *** ensure long-term air quality,climate,public health,and sustainable economic development,substantial evidence from published studies has suggested that China needs to continue its efforts in the upstream adjustment of the energy system and industrial structure with multi-regional and-sector *** cost and benefit review paper provides decision-makers with the fundamental information and knowledge gaps in air pollution control strategies in China,and direction for facing future challenges.

关键词： Air pollution control policy Cost and benefit analysis Climate policy Health co-benefit Economic impact

Ambient volatile organic compounds pollution in China

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Journal of Environmental Sciences 2017年第5期29卷 69-75页

作者： Xinmin Zhang Zhigang Xue Hong Li Li Yan Yuan Yang Yi Wang Jingchun Duan Lei Li Fahe Chai miaomiao cheng Weiqi Zhang State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental Sciences Beijing 100012 China Collaborative Innovation Center on Atmospheric Environment and Equipment Technology Nanjing University of Information Science and Technology Nanjing 210044 China Chinese Academy for Environmental Planning Beijing 100012 China College of Resources and Environment University of Ji'nan250022China Nanjing Baiyun Chemical Industry Environmental Monitoring Co. Ltd. Nanjing 210047 China

Owing to rapid economic and industrial development, China has been suffering from degraded air quality and visibility. Volatile organic compounds （VOCs） are important precursors to the formation of ground-level ozone and hence photochemical smog. Some VOCs adversely affect human health. Therefore, VOCs have recently elicited public concern and given new impetus to scientific interest. China is now implementing a series of polices to control VOCs pollution. The key to formulating policy is understanding the ambient VOCs pollution status. This paper mainly analyzes the species, levels, sources, and spatial distributions of VOCs in ambient air. The results show that the concentrations of ambient VOCs in China are much higher than those of developed countries such as the United States and Japan, especial benzene, which exceeds available standards. At the same time, the ozone formation potential （OFP） and secondary organic aerosol formation potential （SOAFP） of various VOCs are calculated. Aromatics and alkenes have much higher OFPs, while aromatics have higher SOAFP. The OFPs of ambient VOCs in the cities of Beijing, Guangzhou and Changchun are very high, and the SOAFP of ambient VOCs in the cities of Hangzhou, Guangzhou and Changchun are higher.

关键词： VOCs O3 OFP PM2.5 SOAFP China

RHOBTB2 gene associated epilepsy and paroxysmal movement disorder:two cases report and literature review

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Acta Epileptologica 2021年第1期3卷 126-133页

作者： Xueyang Niu Yan Sun Ying Yang miaomiao cheng Quanzhen Tan Jie Zhang Yuehua Zhang Department of Pediatrics Peking University First HospitalBeijing 100034China Department of Neurology Pediatric Patients’s Hospital of Xinjiang Uygur Autonomous RegionUrumqi 830001China

Background:RHOBTB2 gene is associated with developmental and epileptic encephalopathy-64(DEE-64),which is characterized by epilepsy,developmental delay,microcephaly,unspecific facial dysmorphism,and paroxysmal movement *** previous studies showed that the phenotypes of RHOBTB2 gene include developmental and epileptic encephalopathy(DEE)and DEE with paroxysmal movement *** one study showed that patient with RHOBTB2 variant had paroxysmal movement disorders with no *** presentations:Two cases with RHOBTB2 variants are presented here:Case one was diagnosed as DEE,he had recurrent afebrile focal status epilepticus and paroxysmal extrapyramidal symptoms in *** electroencephalogram(EEG)showed focal *** magnetic resonance imaging(MRI)showed cortical *** of case one was ***,case two only showed paroxysmal movement disorders alone in *** EEG showed focal discharges during an interictal dystonic episode and he brain MRI was ***:The phenotypes of RHOBTB2 gene include DEE,paroxysmal movement disorders,and DEE with paroxysmal movement ***2 can be one of the pathogenic genes of paroxysmal movement disorders.

关键词： RHOBTB2 Gene Epilepsy Paroxysmal movement disorders

Spatial and seasonal patterns of atmospheric nitrogen deposition in North China

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Atmospheric and Oceanic Science Letters 2020年第3期13卷 188-194页

作者： WANG Zhen ZHANG Xiuying LIU Lei cheng miaomiao XU Junfeng International Institute for Earth System Science Nanjing UniversityNanjingChina Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application NanjingChina College of Earth and Environmental Sciences Lanzhou UniversityLanzhouChina State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental ScienceBeijingChina Research Academy of Remote Sensing and Earth Sciences Hangzhou Normal UniversityHangzhouChina

As one of the regions with intensive agriculture and rapid economic development in China,North China also has a high nitrogen(N)*** study characterized the spatial pattern of N deposition in North China,combining the tropospheric columns from satellite measurements and the simulated profiles from an atmospheric chemistry transport *** total N deposition fluxes ranged from 16.3 to 106.5 kg N ha−1 yr−1,with an average of 54.5±17.2 kg N ha−1 yr−*** high values were concentrated in urban and farmland areas,while low values were found in forests and grasslands with less human *** the total N deposition,36%was deposited via precipitation,12%was deposited through dry particulate deposition,and the remaining 52%was comprised of dry gaseous *** the seasonal variation of dry deposition,gaseous HNO3 and particulate NO3−were higher in winter and autumn,but lower in spring and *** contrast,gaseous NH3 and particulate NH4+were higher in spring and summer,but lower in winter and *** is possibly caused by the seasonal differences in emission intensity between NOx and NH3 emission *** gaseous NO2 deposition did not show strong seasonal *** wet deposition was mainly affected by precipitation,with high values in summer and low values in *** research provides an objective spatial perspective and insight into the total N deposition in North China.

关键词： North China satellite NH3 NO2 atmospheric chemistry transport model