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| 1 | PM_(2.5) and PM_(10-2.5) chemical composition and source apportionment near a Hong Kong roadway显示文摘Twenty-four-hour PM_(2.5) and PM_(10) samples were collected simultaneously at a highly trafficked roadside site in Hong Kong every sixth day from October 2004 to September 2005.The mass concentrations of PM_(2.5),PM_(10-2.5)(defined as PM_(10)- PM_(2.5)),organic carbon(OC),elemental carbon(EC),water-soluble ions,and up to 25 elements were determined.Investigation of the chemical compositions and potential sources revealed distinct differences between PM_(2.5) and PM_(10-2.5).The annual average mass concentrations were 55.5±25.5 and 25.9±15.7 ug/m^3 for PM_(2.5) and PM_(10-2.5),respectively.EC,OM(OM =OC×1.4),and ammonium sulfate comprised over ~82% of PM_(2.5),accounting for^29%,~27%,and ~25%,respectively,of the PM_(2.5) mass.Low OC/EC ratios(less than 1) for PM_(2.5) suggested that fresh diesel-engine exhaust was a major contributor.Seven sources were resolved for PM_(2.5) by positive matrix factorization(PMF) model,including vehicle emissions(~29%),secondary inorganic aerosols(~27%),waste incinerator/biomass burning(~23%),residual oil combustion(~10%),marine aerosols(~6%),industrial exhaust(~4%),and resuspended road dust(~1%).EC and OM comprised only ~19%of PM_(10-2.5).The average OC/EC ratio of PM_(10-2.5) was 7.8±14.2,suggesting that sources other than vehicular exhaust were important contributors.The sources for PM_(10-2.5) determined by the PMF model included ~20%traffic-generated resuspension(e.g.,tire dust/brake linear/petrol evaporation),~17% locally resuspended road dust,~17% marine aerosols,~12% secondary aerosols/field burning,and ~11%vehicle emissions. | Yan Cheng Shuncheng Lee Zhaolin Gu Kinfai Ho Yunwei Zhang Yu Huang Judith C.Chow John G.Watson Junji Cao Renjian Zhang | 2015 | Particuology2015，13，1： | 14 |
| 2 | 西汉张安世墓葬M1墓室内的大气环境调查显示文摘了解待发掘封闭墓葬内的大气环境,可为考古发掘和文物保存环境研究提供科学依据。西汉张安世墓园中的M1墓葬是一座未被盗扰的墓室,本研究在墓室开启前,有针对性地监测了墓室内的微气候参数和大气污染物。结果显示,相对于外界大气,密闭的墓室内低温、高湿、缺氧,且酸性气态污染物浓度较低。因此,在考古发掘及后续保存文物时,应针对不同文物材料采取密闭容器、保湿、避光等措施,避免由于环境骤变导致文物的风化损坏。本研究建立的待发掘墓葬大气环境测试体系及基础数据,可为相关考古和文保工作提供有益的借鉴。 | 曹军骥 杨军昌 胡塔峰 Lee Shuncheng 王新明 Ho Kinfai 董俊刚 丁岩 | 2013 | 文物保护与考古科学2013，25，2： | 4 |
| 3 | 显示文摘 | Ai Zhihui Zhang Lizhi Lee Shuncheng | 2010 | The Journal of Physical Chemistry C2010，114，18： | 1 |
| 4 | Photocatalytic removal of NO and HCHO over nanocrystalline Zn 2 SnO 4 microcubes for indoor air purification显示文摘 | Zhihui Ai Shuncheng Lee Yu Huang Wingkei Ho Lizhi Zhang | 2010 | Journal of Hazardous Materials2010，，1： | 1 |
| 5 | Speciated mercury in size-fractionated particles in Shanghai ambient air显示文摘 | Guangli Xiu Ji Cai Wenying Zhang Danian Zhang Andreas Büeler Shuncheng Lee Yan Shen Lihang Xu Xuejuan Huang Ping Zhang | 2008 | Atmospheric Environment2008，，19： | 1 |
| 6 | Molecular, seasonal, and spatial distributions of organic aerosols from fourteen Chinese cities 显示文摘 | Wang Gehui Kawamura Kimitaka Lee Shuncheng | 2006 | Environmental Science and Technology2006，40，15： | 1 |
| 7 | Low-temperature hydrothermal synthesis of S-doped TiO 2 with visible light photocatalytic activity显示文摘 | Wingkei Ho Jimmy C. Yu Shuncheng Lee | 2006 | Journal of Solid State Chemistry2006，，4： | 1 |
| 8 | Efficient vis- ible light photocatalytic removal of NO with BiOBr-gra- phene nanocomposites 显示文摘 | Zhihui A I Wingkei H O Lee Shuncheng | 2011 | J Phys Chem C2011，115，25： | 1 |
| 9 | On the relationship between ozone and its precursors in the Pearl River Delta: application of an observation-based model (OBM)显示文摘 | Hairong Cheng Hai Guo Xinming Wang Sam M. Saunders S. H. M. Lam Fei Jiang Tijian Wang Aijun Ding Shuncheng Lee K. F. Ho | 2010 | Environmental Science and Pollution Research2010，，3： | 1 |
| 10 | Characteristics of carbonaceous aerosol in Pearl River delta region,China during 2001 winter period 显示文摘 | CAO Junji LEE Shuncheng HO K F | 2003 | Atmospheric Environment2003，37，8： | 1 |
| 11 | Efficient visible light photocatalytic removal of NO with BiOBr-graphene nanoeomposites显示文摘 | Zhihui Ai Wingkei Ho Shuncheng Lee | 2011 | J Phys Chem C2011，115，25： | 1 |
| 12 | Efficient Visible Light Photocatalytic Removal of NO with BiOBr - Graphene Nanocomposites 显示文摘 | Zhihui Ai Wingkei Ho Shuncheng Lee | 2011 | The Journal of Physical chemistry C2011，115，25： | 1 |
| 13 | Low-temperature hydrothermal synthesis of S-doped TiO2 with visible light photoca- talyric activity 显示文摘 | HO WINGKEI YU JIMMY C LEE SHUNCHENG | 2006 | J Solid State Chem2006，179，4： | 1 |
| 14 | Characterization of a smog chamber for studying formation of gas-phase products and secondary organic aerosol显示文摘Smog chambers provide a potent approach to explore the secondary organic aerosol formation under varied conditions.This study describes the construction and characterization of a new smog chamber facility for studying the formation mechanisms of gas-phase products and secondary organic aerosol from the photooxidation of volatile organic compounds.The chamber is a 5.4 m^(3) Fluorinated Ethylene Propylene(FEP)Teflon reactor with the potential to perform photooxidation experiments at controlled temperature and relative humidity.Detailed characterizations were conducted for evaluation of stability of environmental parameters,mixing time,background contamination,light intensity,and wall losses of gases and particles.The photolysis rate of NO_(2)(J_(NO2))ranged from(1.02-3.32)×10^(-3)sec^(-1),comparable to the average J_(NO2)in ambient environment.The wall loss rates for NO,NO_(2),and O_(3)were 0.47×10^(-4),0.37×10^(-4),and 1.17×10^(-4)min^(-1),while wall loss of toluene was obsoletely found in a 6 hr test.The particle number wall loss rates are(0.01-2.46)×10^(-3)min^(-1)for 40-350 nm with an average lifetime of more than one day.A series of toluene photooxidation experiments were carried out in absence of NO_xunder dry conditions.The results of the simulation experiments demonstrated that the chamber is well designed to simulate photolysis progress in the atmosphere. | Qi Yuan Zhuozhi Zhang Meng Wang Kin Fai Ho Tao Wang Shuncheng Lee | 2024 | Journal of Environmental Sciences2024，，2： | 0 |
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