共 50 条
[21]
Potential ecological risk assessment of heavy metals in sediment with uncertain background impact in a shallow lake
[J].
Wang, Wen-Cai
;
Tang, Chun-Yan
;
Zhang, Heng-Jun
;
Wang, Zhong
;
Zeng, Fan-Tang
;
Fan, Zhong-Ya
.
Zhongguo Huanjing Kexue/China Environmental Science,
2019, 39 (09)
:3982-3988

Wang, Wen-Cai
论文数: 0 引用数: 0
h-index: 0
机构:
Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China

Tang, Chun-Yan
论文数: 0 引用数: 0
h-index: 0
机构:
Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China
Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing,210098, China Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China

Zhang, Heng-Jun
论文数: 0 引用数: 0
h-index: 0
机构:
Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China

Wang, Zhong
论文数: 0 引用数: 0
h-index: 0
机构:
Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China

Zeng, Fan-Tang
论文数: 0 引用数: 0
h-index: 0
机构:
Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China

Fan, Zhong-Ya
论文数: 0 引用数: 0
h-index: 0
机构:
Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China
Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing,210098, China Research Center of Water Environment, South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou,510655, China
[22]
Pollution and Potential Ecological Risk Evaluation of Heavy Metals in the Sediments around Dongjiang Harbor, Tianjin
[J].
Guo, Weihua
;
Liu, Xianbin
;
Liu, Zhanguang
;
Li, Guofeng
.
INTERNATIONAL CONFERENCE ON ECOLOGICAL INFORMATICS AND ECOSYSTEM CONSERVATION (ISEIS 2010),
2010, 2
:729-736

Guo, Weihua
论文数: 0 引用数: 0
h-index: 0
机构:
Tianjin Univ Sci & Technol, Tianjin Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China Tianjin Univ Sci & Technol, Tianjin Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China

Liu, Xianbin
论文数: 0 引用数: 0
h-index: 0
机构:
Tianjin Univ Sci & Technol, Tianjin Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China Tianjin Univ Sci & Technol, Tianjin Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China

Liu, Zhanguang
论文数: 0 引用数: 0
h-index: 0
机构:
Tianjin Univ Sci & Technol, Tianjin Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China Tianjin Univ Sci & Technol, Tianjin Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China

Li, Guofeng
论文数: 0 引用数: 0
h-index: 0
机构:
Tianjin Univ Sci & Technol, Tianjin Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China Tianjin Univ Sci & Technol, Tianjin Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China
[23]
Contamination and Potential Ecological Risk Assessment of Heavy Metals in the Sediments of Yilong Lake, Southwest China
[J].
Li X.-L.
;
Liu E.-F.
;
Yu Z.-Z.
;
Zhang E.-L.
;
Lin Q.
;
Wang R.
;
Shen J.
.
Huanjing Kexue/Environmental Science,
2019, 40 (02)
:614-624

Li X.-L.
论文数: 0 引用数: 0
h-index: 0
机构:
Collaborative Innovation Center of Human-Nature and Green Development in Universities of Shandong, College of Geography and Environment, Shandong Normal University, Ji'nan Collaborative Innovation Center of Human-Nature and Green Development in Universities of Shandong, College of Geography and Environment, Shandong Normal University, Ji'nan

Liu E.-F.
论文数: 0 引用数: 0
h-index: 0
机构:
Collaborative Innovation Center of Human-Nature and Green Development in Universities of Shandong, College of Geography and Environment, Shandong Normal University, Ji'nan
State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing Collaborative Innovation Center of Human-Nature and Green Development in Universities of Shandong, College of Geography and Environment, Shandong Normal University, Ji'nan

Yu Z.-Z.
论文数: 0 引用数: 0
h-index: 0
机构:
State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing
University of Chinese Academy of Sciences, Beijing Collaborative Innovation Center of Human-Nature and Green Development in Universities of Shandong, College of Geography and Environment, Shandong Normal University, Ji'nan

Zhang E.-L.
论文数: 0 引用数: 0
h-index: 0
机构:
State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing Collaborative Innovation Center of Human-Nature and Green Development in Universities of Shandong, College of Geography and Environment, Shandong Normal University, Ji'nan

Lin Q.
论文数: 0 引用数: 0
h-index: 0
机构:
State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing
University of Chinese Academy of Sciences, Beijing Collaborative Innovation Center of Human-Nature and Green Development in Universities of Shandong, College of Geography and Environment, Shandong Normal University, Ji'nan

Wang R.
论文数: 0 引用数: 0
h-index: 0
机构:
State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing Collaborative Innovation Center of Human-Nature and Green Development in Universities of Shandong, College of Geography and Environment, Shandong Normal University, Ji'nan

Shen J.
论文数: 0 引用数: 0
h-index: 0
机构:
State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing Collaborative Innovation Center of Human-Nature and Green Development in Universities of Shandong, College of Geography and Environment, Shandong Normal University, Ji'nan
[24]
The pollution and potential ecological risk assessment of the heavy metals in household dusts from mineral areas
[J].
Li, Liang-Zhong
;
Hu, Guo-Cheng
;
Zhang, Li-Juang
;
Yu, Yun-Jiang
;
Chen, Mian-Biao
;
Xiang, Ming-Deng
;
Huang, Chu-Shan
;
Han, Qian
;
Cao, Zhao-Jin
;
Wang, Qiang
;
Zhong, Ge-Mei
.
Zhongguo Huanjing Kexue/China Environmental Science,
2015, 35 (04)
:1230-1238

Li, Liang-Zhong
论文数: 0 引用数: 0
h-index: 0
机构:
South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Hu, Guo-Cheng
论文数: 0 引用数: 0
h-index: 0
机构:
South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Zhang, Li-Juang
论文数: 0 引用数: 0
h-index: 0
机构:
South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Yu, Yun-Jiang
论文数: 0 引用数: 0
h-index: 0
机构:
South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Chen, Mian-Biao
论文数: 0 引用数: 0
h-index: 0
机构:
South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Xiang, Ming-Deng
论文数: 0 引用数: 0
h-index: 0
机构:
South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Huang, Chu-Shan
论文数: 0 引用数: 0
h-index: 0
机构:
South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Han, Qian
论文数: 0 引用数: 0
h-index: 0
机构:
South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Cao, Zhao-Jin
论文数: 0 引用数: 0
h-index: 0
机构:
Institute for Environmental Health and Related Product Safety, Chinese center for disease control and prevention, Beijing,510640, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Wang, Qiang
论文数: 0 引用数: 0
h-index: 0
机构:
Institute for Environmental Health and Related Product Safety, Chinese center for disease control and prevention, Beijing,510640, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China

Zhong, Ge-Mei
论文数: 0 引用数: 0
h-index: 0
机构:
Guangxi Zhuang Autonomous Region Center for Disease Prevention and Control, Nanning,530021, China South China Institutes of Environmental Sciences, Ministry of Environmental Protection, Guangzhou,510655, China
[25]
Spatial distribution and ecological risk assessment of heavy metals in surface sediments from a typical plateau lake wetland, China
[J].
Bai, Junhong
;
Cui, Baoshan
;
Chen, Bin
;
Zhang, Kejiang
;
Deng, Wei
;
Gao, Haifeng
;
Xiao, Rong
.
ECOLOGICAL MODELLING,
2011, 222 (02)
:301-306

Bai, Junhong
论文数: 0 引用数: 0
h-index: 0
机构:
Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China

Cui, Baoshan
论文数: 0 引用数: 0
h-index: 0
机构:
Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China

Chen, Bin
论文数: 0 引用数: 0
h-index: 0
机构:
Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China

Zhang, Kejiang
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Calgary, Ctr Environm Engn Res & Educ, Calgary, AB T2N 1N4, Canada Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China

Deng, Wei
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China

Gao, Haifeng
论文数: 0 引用数: 0
h-index: 0
机构:
Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China

Xiao, Rong
论文数: 0 引用数: 0
h-index: 0
机构:
Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China
[26]
The Risk Assessment of Sediment Heavy Metal Pollution in the East Dongting Lake Wetland
[J].
Hu, Cong
;
Deng, Zheng-miao
;
Xie, Yong-hong
;
Chen, Xin-sheng
;
Li, Feng
.
JOURNAL OF CHEMISTRY,
2015, 2015

Hu, Cong
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China
Chinese Acad Sci, Inst Subtrop Agr, Dongting Lake Stn Wetland Ecosyst Res, Changsha 410125, Hunan, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R China Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China

Deng, Zheng-miao
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China
Chinese Acad Sci, Inst Subtrop Agr, Dongting Lake Stn Wetland Ecosyst Res, Changsha 410125, Hunan, Peoples R China Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China

Xie, Yong-hong
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China
Chinese Acad Sci, Inst Subtrop Agr, Dongting Lake Stn Wetland Ecosyst Res, Changsha 410125, Hunan, Peoples R China Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China

Chen, Xin-sheng
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China
Chinese Acad Sci, Inst Subtrop Agr, Dongting Lake Stn Wetland Ecosyst Res, Changsha 410125, Hunan, Peoples R China Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China

Li, Feng
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China
Chinese Acad Sci, Inst Subtrop Agr, Dongting Lake Stn Wetland Ecosyst Res, Changsha 410125, Hunan, Peoples R China Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China
[27]
Metals Pollution and Ecological Risk Assessment of Sediments in the Poyang Lake, China
[J].
Maolan Wang
;
Jingjing Liu
;
Jinhu Lai
.
Bulletin of Environmental Contamination and Toxicology,
2019, 102
:511-518

Maolan Wang
论文数: 0 引用数: 0
h-index: 0
机构: Nanchang University,School of Resources Environmental and Chemical Engineering, The Key Laboratory of Poyang Lake Environment and Resource Utilization Ministry of Education

Jingjing Liu
论文数: 0 引用数: 0
h-index: 0
机构: Nanchang University,School of Resources Environmental and Chemical Engineering, The Key Laboratory of Poyang Lake Environment and Resource Utilization Ministry of Education

Jinhu Lai
论文数: 0 引用数: 0
h-index: 0
机构: Nanchang University,School of Resources Environmental and Chemical Engineering, The Key Laboratory of Poyang Lake Environment and Resource Utilization Ministry of Education
[28]
Metals Pollution and Ecological Risk Assessment of Sediments in the Poyang Lake, China
[J].
Wang, Maolan
;
Liu, Jingjing
;
Lai, Jinhu
.
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,
2019, 102 (04)
:511-518

Wang, Maolan
论文数: 0 引用数: 0
h-index: 0
机构:
Nanchang Univ, Sch Resources Environm & Chem Engn, Key Lab Poyang Lake Environm & Resource Utilizat, Minist Educ, Nanchang 330031, Jiangxi, Peoples R China Nanchang Univ, Sch Resources Environm & Chem Engn, Key Lab Poyang Lake Environm & Resource Utilizat, Minist Educ, Nanchang 330031, Jiangxi, Peoples R China

Liu, Jingjing
论文数: 0 引用数: 0
h-index: 0
机构:
Nanchang Univ, Sch Resources Environm & Chem Engn, Key Lab Poyang Lake Environm & Resource Utilizat, Minist Educ, Nanchang 330031, Jiangxi, Peoples R China Nanchang Univ, Sch Resources Environm & Chem Engn, Key Lab Poyang Lake Environm & Resource Utilizat, Minist Educ, Nanchang 330031, Jiangxi, Peoples R China

Lai, Jinhu
论文数: 0 引用数: 0
h-index: 0
机构:
Nanchang Univ, Sch Resources Environm & Chem Engn, Key Lab Poyang Lake Environm & Resource Utilizat, Minist Educ, Nanchang 330031, Jiangxi, Peoples R China Nanchang Univ, Sch Resources Environm & Chem Engn, Key Lab Poyang Lake Environm & Resource Utilizat, Minist Educ, Nanchang 330031, Jiangxi, Peoples R China
[29]
Characterization and risk assessment of heavy metal pollution in wetland Sediments of Lake Bosten
[J].
Wang, Kai
;
Dilinuer-Aji
;
Li, Pingping
;
Hu, Congqiao
;
Peng, Qingqing
;
Kang, Jiajia
.
Hupo Kexue/Journal of Lake Sciences,
2025, 37 (03)
:860-871

Wang, Kai
论文数: 0 引用数: 0
h-index: 0
机构:
School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China

Dilinuer-Aji
论文数: 0 引用数: 0
h-index: 0
机构:
School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China
Key Laboratory of Lake Environment and Resources in Arid Area of Xinjiang, Urumqi,830054, China School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China

Li, Pingping
论文数: 0 引用数: 0
h-index: 0
机构:
School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China
Key Laboratory of Lake Environment and Resources in Arid Area of Xinjiang, Urumqi,830054, China School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China

Hu, Congqiao
论文数: 0 引用数: 0
h-index: 0
机构:
School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China

Peng, Qingqing
论文数: 0 引用数: 0
h-index: 0
机构:
School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China

Kang, Jiajia
论文数: 0 引用数: 0
h-index: 0
机构:
School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China School of Geography and Tourism, Xinjiang Normal University, Urumqi,830054, China
[30]
Pollution characteristics and potential ecological risks of heavy metals in topsoil of Beijing
[J].
Xiong, Qiu-Lin
;
Zhao, Jia-Yin
;
Zhao, Wen-Ji
;
Wang, Hao-Fei
;
Li, Wei-Wang
;
Yu, Xue
;
Ou, Yang
;
Yang, Xing-Chuan
.
Zhongguo Huanjing Kexue/China Environmental Science,
2017, 37 (06)
:2211-2221

Xiong, Qiu-Lin
论文数: 0 引用数: 0
h-index: 0
机构:
Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China

Zhao, Jia-Yin
论文数: 0 引用数: 0
h-index: 0
机构:
College of Environmental Sciences and Enginnering, Peking University, Beijing,100871, China Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China

Zhao, Wen-Ji
论文数: 0 引用数: 0
h-index: 0
机构:
Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China

Wang, Hao-Fei
论文数: 0 引用数: 0
h-index: 0
机构:
Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China

Li, Wei-Wang
论文数: 0 引用数: 0
h-index: 0
机构:
Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China

Yu, Xue
论文数: 0 引用数: 0
h-index: 0
机构:
Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China

Ou, Yang
论文数: 0 引用数: 0
h-index: 0
机构:
Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China

Yang, Xing-Chuan
论文数: 0 引用数: 0
h-index: 0
机构:
Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China Urban Environmental Process and Digital Modeling Laboratory, College of Resources, Environment & Tourism, Capital Normal University, Beijing,100048, China