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56篇 您的检索式:作者名="Bixian"
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1Organochlorine compounds and polycyclic aromatic hydrocarbons in surface sediment from Baiyangdian Lake,North China:Concentrations,sources profiles and potential risk显示文摘Organochlorine pesticides(OCPs),polychlorinated biphenyls(PCBs),and polycyclic aromatic hydrocarbons(PAHs) were determined in nineteen surface sediment samples collected from Baiyangdian Lake and its inflowing river(Fuhe River) in North China.Total concentrations of OCPs,PCBs and PAHs in sediments ranged from 5.4 to 707.6 ng/g,2.3 to 197.8 ng/g,and 101.3 to 6360.5 ng/g,respectively.The levels of contaminants in Fuhe River were significantly higher than those in Baiyandian Lake.For hexachlorocyclohexane(HCHs) and dichlorodiphenytrichloroethanes(DDTs),α-HCH and p,p-DDT were predominant isomers;while for PCBs,PCB 28/31,PCB 40/103,PCB 60,PCB 101,and PCB 118 were predominant congeners.Possible sources derived from historical usage for OCPs and incomplete combustion fuel,wood,and coal and exhaustion of boats or cars for PAHs.Risk assessment of sediment indicated that sediments in Fuhe River were likely to pose potential biological adverse impact.Guocheng Hu Xiaojun Luo Fengchao Li Jiayin Dai Jianyang Guo Shejun Chen Cao Hong Bixian Mai Muqi Xu 2010Journal of Environmental Sciences2010,22,2:42
2Distribution of polybrominated diphenyl ethers and decabromodiphenylethane in surface sediments from Fuhe River and Baiyangdian Lake,North China显示文摘Nineteen surface sediment samples collected from Baiyangdian Lake and its inflowing river (Fuhe River) in North China were analyzed for polybrominated diphenyl ethers (PBDEs) and decabromodiphenylethane (DBDPE).The concentrations of PBDEs and DBDPE in sediments ranged from 5.5 to 300.7 ng/g dry weight (dw) and 1.1 to 68.2 ng/g dw,respectively.Their levels in sediments in Fuhe River were significantly higher than those in Baiyandian Lake.Compared to data from other regions,the PBDE levels in surface sediments from Baiyangdian Lake and Fuhe River were in the medium to lower range.Among the PBDE congeners,BDE209 was predominant,with contributions to the total PBDEs ranging from 79.4% to 97.3% in sediment samples.For the lowly brominated congeners (tri-to hepta-BDE),BDE47 and BDE99 were the most abundant,which contributed 52.1% and 44.1% to the sum of tri-to hepta-BDEs in the sediments from Baiyangdian Lake and Fuhe River,respectively.The compositional patterns of PBDEs in Baiyangdian Lake sediments indicated that technical deca-BDE mixture was the major pollutant sources with a minor contribution of penta-BDE mixture.The present study suggested that the importance of Fuhe River as a possibly potential sources of PBDEs contamination in Baiyangdian Lake.Guocheng Hu Zhencheng Xu Jiayin Dai Bixian Mai Hong Cao Jianshe Wang Zhimin Shi Muqi Xu 2010Journal of Environmental Sciences2010,22,12:18
3A review of polybrominated diphenyl ethers and alternative brominated flame retardants in wildlife from China:Levels,trends,and bioaccumulation characteristics显示文摘Accelerated industrialization and urbanization,and unregulated disposal of waste of electric and electronic equipment(e-waste) in China have caused environmental pollution of brominated flame retardants(BFRs).This review summarized the levels,trends,and bioaccumulation characteristics of polybrominated diphenyl ethers(PBDEs) and other potential alternative BFRs including hexabromocyclododecanes(HBCDs),1,2-bis(2,4,6-dibromophenoxy) ethane(BTBPE) and decabromodiphenylethane(DBDPE) in wildlife from China.PBDE levels in wildlife from China were generally higher than those from other parts in Asia,and were comparable to those from Europe but were lower than those from North America.However,wildlife from the e-waste recycling sites in South China and East China contained much higher PBDEs compared to other reports around the world,suggesting the heavy contamination of PBDEs in these regions.The alternative BFRs were also detected in wildlife,revealing that the animals are exposed to these chemicals,in addition to PBDEs.Temporal trends indicated by levels in marine mammals from South China suggested that PBDE levels increased from the beginning of 1990s to 2000s,but decreased from the middle of 2000s,followed by relatively steady levels.In contrast,HBCDs were found to be continuously increasing from 1997 to 2007,indicating the increasing usage of HBCDs in China in recent years.Compared to PBDE profiles found in other parts,aquatic species and birds from China contained relatively higher contributions of BDE28 and 209,respectively,suggesting the possible different usage pattern of PBDEs.Future works including keeping monitoring at a reasonable scale and frequency to make sure levels near urban centers indicative of population do not increase are needed.Additionally,focus effort on e-waste recycling regions to look for impacts and to determine if regulation/controls are resulting in lower environmental contamination,and incorporation of sentinel species in monitoring efforts are recommended.Jiangping Wu Ying Zhang Xiaojun Luo Yazhe She Lehuan Yu Shejun Chen Bixian Mai 2012Journal of Environmental Sciences2012,24,2:15
4Advances in the study of current-use non-PBDE brominated flame retardants and dechlorane plus in the environment and humans显示文摘The fate of the high production volume,currently in use,and not regulated non-polybrominated diphenyl ether(PBDE) flame retardants,such as tetrabromobisphenol A(TBBPA) ,hexabromocyclododecane(HBCD) and dechlorane plus(DP),and the alternative flame retardants of PBDE,such as BTBPE and DBDPE,in the environment has attracted increasing attention and aroused concern due to the increasing regulation and phasing-out of PBDEs.This paper reviews the distribution,bioaccumulation,human exposure and environmental behavior of those non-PBDE flame retardants in various environmental compartments.The data gaps and needs for future research are discussed.LUO XiaoJun,CHEN SheJun,MAI BiXian & FU JiaMo State Key Laboratory of Organic Geochemistry Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China 2010Science China Chemistry2010,53,5:12
5Distribution and partition of polybrominated diphenyl ethers(PBDEs) in water of the Zhujiang River Estuary显示文摘The spatial,temporal,and vertical distributions of polybrominated diphenyl ethers(PBDEs) in water columns from the Zhujiang River Estuary were examined,and the partition behavior of PBDEs between particle and dissolved phases was investigated in the present study.The results show that the distributions of PBDEs concentrations in the water varied with the sampling seasons.The PBDEs concentrations in water samples were lower in May 2005,when the brackish water was dominant in the estuary,than in October 2005,when fresh water from river runoff dominated the estuary.The spatial distribution of PBDEs in October 2005 indicated that the river runoff was the major mode to input PBDEs to the estuary,and the concentration of PBDEs in water might be dissolved organic carbon(DOC) dependence.The spatial and vertical distributions of PBDEs in May 2005 were relatively homogeneous,and SPM was the major factor on controlling the levels of PBDEs in this sampling time.Both DOC and POC could play certain roles in determining the distribution and partition of PBDEs between particle and dissolved phases,but their effects varied with the water properties.LUO XiaoJun YU Mei MAI BiXian CHEN ShenJun 2008Chinese Science Bulletin2008,53,4:12
6The leaching of additive-derived flame retardants(FRs) from plastics in avian digestive fluids:The significant risk of highly lipophilic FRs显示文摘The exposure to plastic debris and associated pollutants for wildlife is of urgent concern,but little attention has been paid on the transfer of plastic additives from plastic debris to organisms.In the present study,the leaching of incorporated flame retardants (FRs),including polybrominated diphenyl ethers (PBDEs),alternative brominated FRs (AFRs),and phosphate flame retardants (PFRs),from different sizes of recycled acrylonitrile-butadiene-styrene (ABS) polymer were investigated in avian digestive fluids.The impact of co-ingested sediment on the leaching of additive-derived FRs in digestive fluids was also explored.In the recycled ABS,BDE 209 (715 μg/g) and 1,2-bis(2,4,6-tribromophenoxy) ethane (BTBPE,1766 μg/g) had the highest concentrations among all target FRs.The leaching proportions of FRs were higher in finer sizes of ABS.The leaching proportions of FRs from recycled ABS increased with elevated logKow of FRs.In the tests with coexisted ABS and sediment,hexato deca-BDEs,BTBPE,and decabromodiphenyl ethane (DBDPE) migrated from ABS to sediment,which resulted in the less bioaccessible fractions of these FRs in gut fluids.More lipophilic chemicals tended to be adsorbed by sediment from ABS.The results suggest the migration of additive-derived FRs from plastics to other indigestible materials in digestive fluids.The findings in this study provide insights into the transfer of additive-derived FRs from plastics to birds,and indicate the significant contribution of FR-incorporated plastics to bioaccumulation of highly lipophilic FRs.Huiying Guo Xiaobo Zheng Shuling Ru Xiaojun Luo Bixian Mai 2019Journal of Environmental Sciences2019,31,11:5
7A survey analysis of heavy metals bio-accumulation in internal organs of sea shell animals affected by the sustainable pollution of antifouling paints used for ships anchored at some domestic maritime spaces显示文摘Some samples of sea shell animals stuck and multiplied on the bottom (beneath the seawater) coated with antifouling paints were collected at some domestic maritime spaces, and the content of heavy metals was detected through Inductively Coupled Plasma-Mass Spectroscopy. Meanwhile, comparison with sea shell animals was made on market for edible use. It shows that the content of heavy metals in internal organs of these marine animals is very high due to the large amount of copper and zinc con- tained in the antifouling paints, and this also does severely harm to sea environment and ecology. To study and develop the novel antifouling paints without copper(I) oxide is an imperative task which brooks no delay.WANG JunLian WANG FengQi YU Jie ZHUANG yan ZHOU XiangFeng ZHANG XiaoBin PENG BiXian 2008Chinese Science Bulletin2008,53,16:3
8Studies on the synthesis,pungency and anti-biofouling performance of capsaicin analogues显示文摘Ten capsaicin analogues were synthesized and their pungency degrees were determined through Scoville Organoleptic Test.The relationship between the structure and pungency degree of these capsaicin analogues was discussed.Then four of these capsaicin analogues with higher pungency degree were picked out and added to anti-biofouling paints as repellents to study their anti-biofouling performance by shallow sea buoyant raft hung-plate experimentation.The results showed that capsaicin and dihydrocapsaicin exhibited equally good anti-biofouling performance while nordihydrocapsaicin and N-vanillylnonanamide had poor anti-biofouling performance.Experimental results also showed that the paints with only 0.1% capsaicin or dihydrocapsaicin as repellent without any other biocides had also exhibited good anti-biofouling performance,which provided a new idea for developing novel,more environment-friendly and Cu2O-free antifouling paints.PENG BiXian WANG JunLian PENG ZhengHong ZHOU ShengZe WANG FengQi JI YongLiang YE ZhangJi ZHOU XiangFeng LIN Tong ZHANG XiaoBin 2012Science China Chemistry2012,55,3:3
9Persistent organic pollutants in environment of the Pearl River Delta, China: an overview显示文摘Jiamo Fu Bixian Mai Guoying Sheng Gan Zhang Xinming Wang Ping’an Peng Xianming Xiao Rong Ran Fanzhong Cheng Xianzhi Peng Zhishi Wang U Wa Tang 2003Chemosphere2003,,9:2
10Persistent organic pollutants in environment of the Pearl River Delta, China: an overview显示文摘Jiamo Fu Bixian Mai Guoying Sheng Gan Zhang Xinming Wang Ping’an Peng Xianming Xiao Rong Ran Fanzhong Cheng Xianzhi Peng Zhishi Wang U Wa Tang 2003Chemosphere2003,,9:2
11Mechanism of hologram formation in dichromated gelatin with X-ray photoelectron spectroscopy显示文摘Xiong Liangwen Liu Shihong Peng Bixian 1998Appl Opt1998,37,17:1
12Particle-bound polychlorinated dibenzo-p-dioxins and dibenzofurans in the atmosphere of Guangzhou, China显示文摘YU LIPING MAI BIXIAN MENG XIANGZHOU 2006Atmospheric Environment2006,40,:1
13Distribution of polybrominated diphenyl ethers in sediment of the Pearl River Delta and adjacent South China Sea显示文摘MAI Bixian CHEN Shejun LUO Xiaojun 2005Environ Sci Technol2005,39,10:1
14Time trend of BHCs and DDTs in a sedimentary core in Macao Estuary,Southern China显示文摘Zhang Gan Min Yushun Mai Bixian 1999Mar Pollut Bull1999,39,:1
15Distribution ofpolybrominated diphenyl ethers in sediments of the Pearl RiverDelta and adjacent South China Sea显示文摘MAI Bixian CHEN Shejun LUO Xiaojun 2005Environ Sci Technol2005,39,10:1
16Polycyclic aromatic hydrocarbons (PAHs)and Organchlorine pesticides in water columns from Pearl(Zhujiang)river and Macao harbor in the Pearl River Delta, South China显示文摘Luo Xiaojun Mai Bixian Yang Qingshu 2004Marine Pollution Bulletin2004,48,:1
17Emission characterization of particulate/gaseous phases and size association for polycyclic aromatic hydrocarbons from residential coal combustion显示文摘Chen Yingjun Bi Xinhui Mai Bixian 2004Fuel2004,83,78:1
18Particle-bound polychlorinated dibenzo- p -dioxins and dibenzofurans in the atmosphere of Guangzhou, China显示文摘Liping Yu Bixian Mai Xiangzhou Meng Xinhui Bi Guoying Sheng Jiamo Fu Ping’an Peng 2005Atmospheric Environment2005,,1:1
19Time trend of BHCs and DDTs in a sedimentary core in macao estuary, southern china 显示文摘Zhang Gan Min Yushun Mai Bixian 1999Marine Pollution Bulletin1999,39,:1
20Enantiomeric signatures of chiral organochlorine pesticides in consumer fish from South China显示文摘Meng Xiangzhou Guo Ying Mai Bixian 2009Journal of Agricultural and Food Chemistry2009,57,:1
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