Pub Date : 2012-11-12DOI: 10.1109/GIWRM.2012.6349608
Juan Li, Minquan Feng, L. Dong, Shiping Fan, Jianwen Zhu
This paper summarizes the necessity of research on simulation of the migration-diffusion of the contaminant based on random walk theory. Then it introduces the theory and application domain of random walk theory and compares three various kinds of random walk modes, analyzing the research statuses of the simulation of contaminant migration-diffusion based on random walk theory. The paper presents the problems in research process and conceivable development tendencies, and provides theory supporting to post-study.
{"title":"Research progress of pollutants transportation and diffusion modeling based on the random walk theory","authors":"Juan Li, Minquan Feng, L. Dong, Shiping Fan, Jianwen Zhu","doi":"10.1109/GIWRM.2012.6349608","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349608","url":null,"abstract":"This paper summarizes the necessity of research on simulation of the migration-diffusion of the contaminant based on random walk theory. Then it introduces the theory and application domain of random walk theory and compares three various kinds of random walk modes, analyzing the research statuses of the simulation of contaminant migration-diffusion based on random walk theory. The paper presents the problems in research process and conceivable development tendencies, and provides theory supporting to post-study.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81462510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-11-12DOI: 10.1109/GIWRM.2012.6349547
Yanyun Nian, Xin Li
The hydrologic information is the foundation of the hydrologic researches. At first, this paper analyzes hydrologic information system and hydrologic data sharing in the current status. Based on the data collecting and integrating of the Heihe River Basin including the spatial data and the observation data, hydrologic data sharing and on-line services are realized with the help of open source HIS (Hydrologic Information System) by CUAHSI (Consortium of Universities for the Advancement of Hydrologic Science, Inc.). The entire HIS for the Heihe River Basin adopts the ODM (Observation Database Model), WebGIS and Web service using the watershed science data from the Heihe River Basin. Therefore, a hydrologic information sharing was established with such functions as hydrologic observed data retrieval, browsing, online service and analysis by an application case in the Heihe River Basin, a typical inland river in the northwest China.
{"title":"Design and implementation of hydrologic data sharing for the Heihe River Basin based on the open source Hydrologic Information System","authors":"Yanyun Nian, Xin Li","doi":"10.1109/GIWRM.2012.6349547","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349547","url":null,"abstract":"The hydrologic information is the foundation of the hydrologic researches. At first, this paper analyzes hydrologic information system and hydrologic data sharing in the current status. Based on the data collecting and integrating of the Heihe River Basin including the spatial data and the observation data, hydrologic data sharing and on-line services are realized with the help of open source HIS (Hydrologic Information System) by CUAHSI (Consortium of Universities for the Advancement of Hydrologic Science, Inc.). The entire HIS for the Heihe River Basin adopts the ODM (Observation Database Model), WebGIS and Web service using the watershed science data from the Heihe River Basin. Therefore, a hydrologic information sharing was established with such functions as hydrologic observed data retrieval, browsing, online service and analysis by an application case in the Heihe River Basin, a typical inland river in the northwest China.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87507864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Biosorption of Acid Red from aqueous solutions by peanut shell as a low-cost biosorbent was investigated as a function of initial pH, initial biomass concentration. The kinetics and equilibrium of biosorption were examined in detail. Three kinetic models (pseudo-first order, pseudo-second order, and internal diffusion order model) were used to connect data and to determine the kinetic parameters. Two well-known adsorption isotherms were chosen to describe the biosorption equilibrium. The experimental data were analyzed using two two-parameter models (Langmuir and Freundlich). The equilibrium biosorption isotherms showed that peanut shells possess high affinity and sorption capacity for Acid Red, maximum biosorption capacities of 9.8232mg/g. All results showed that peanut shells biomass is an attractive, alternative low-cost biosorbent for removal of heavy Acid Red from aqueous media.
{"title":"Biosorption of acid red from aqueous solutions onto peanut shell as a low-cost","authors":"Qingfang Zhang, Xiuqin Kong, Xiaoning Jia, Xianlong Ren","doi":"10.1109/GIWRM.2012.6349615","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349615","url":null,"abstract":"Biosorption of Acid Red from aqueous solutions by peanut shell as a low-cost biosorbent was investigated as a function of initial pH, initial biomass concentration. The kinetics and equilibrium of biosorption were examined in detail. Three kinetic models (pseudo-first order, pseudo-second order, and internal diffusion order model) were used to connect data and to determine the kinetic parameters. Two well-known adsorption isotherms were chosen to describe the biosorption equilibrium. The experimental data were analyzed using two two-parameter models (Langmuir and Freundlich). The equilibrium biosorption isotherms showed that peanut shells possess high affinity and sorption capacity for Acid Red, maximum biosorption capacities of 9.8232mg/g. All results showed that peanut shells biomass is an attractive, alternative low-cost biosorbent for removal of heavy Acid Red from aqueous media.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89270629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-11-12DOI: 10.1109/GIWRM.2012.6349581
A. Y. Zhang, Qiao Wang, Chuanqing Wu, Wan-dong Ma, Miao Zhou, K. Cao
In this paper, spatial and temporal pattern analysis was performed to obtain better understanding of the water quality in the Min River Basin. The water quality data of 34 sites for five indicators, Chemical Oxygen Demand (COD), Biochemical Oxygen Demand (BOD5), Total Nitrogen (TN), Total Phosphorus (TP), and Dissolved Oxygen (DO) between 2001 and 2010 were analyzed. The spatial trends of water quality for the 2000s were presented. An interpolation approach based on the distance along river network was used to reveal the spatial variation of water quality in year 2010. A non-parametric seasonal Mann-Kendall's test was employed to determine the significance of temporal trends for each parameter of each site. Basically, the water quality of the Min River basin is good and most of the segments can satisfy the national environmental standards of Class III. Moreover, certain spatial and temporal patterns can be discovered through the analysis. The best water quality is in the Dadu River, the Qingyi River, and the upper parts of the Min River. The water quality of the Fu River is the worst in the basin. The middle parts of the Min River are worse than the lower parts and better than the Fu River. From temporal perspective, COD showed significant upward trend, whereas BOD5 showed significant downward trend. TN and TP showed increasing trends in a similar spatial manner, which exhibits the signs of degradation in water quality. Particularly, the concentration of TN exhibited significant upward trend. Nevertheless, DO showed some upward trends. The reasons of the spatial-temporal characteristics were also discussed and some water management strategies were recommended.
{"title":"Spatial and temporal analysis of water quality trends in the Min River Basin","authors":"A. Y. Zhang, Qiao Wang, Chuanqing Wu, Wan-dong Ma, Miao Zhou, K. Cao","doi":"10.1109/GIWRM.2012.6349581","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349581","url":null,"abstract":"In this paper, spatial and temporal pattern analysis was performed to obtain better understanding of the water quality in the Min River Basin. The water quality data of 34 sites for five indicators, Chemical Oxygen Demand (COD), Biochemical Oxygen Demand (BOD5), Total Nitrogen (TN), Total Phosphorus (TP), and Dissolved Oxygen (DO) between 2001 and 2010 were analyzed. The spatial trends of water quality for the 2000s were presented. An interpolation approach based on the distance along river network was used to reveal the spatial variation of water quality in year 2010. A non-parametric seasonal Mann-Kendall's test was employed to determine the significance of temporal trends for each parameter of each site. Basically, the water quality of the Min River basin is good and most of the segments can satisfy the national environmental standards of Class III. Moreover, certain spatial and temporal patterns can be discovered through the analysis. The best water quality is in the Dadu River, the Qingyi River, and the upper parts of the Min River. The water quality of the Fu River is the worst in the basin. The middle parts of the Min River are worse than the lower parts and better than the Fu River. From temporal perspective, COD showed significant upward trend, whereas BOD5 showed significant downward trend. TN and TP showed increasing trends in a similar spatial manner, which exhibits the signs of degradation in water quality. Particularly, the concentration of TN exhibited significant upward trend. Nevertheless, DO showed some upward trends. The reasons of the spatial-temporal characteristics were also discussed and some water management strategies were recommended.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91533448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-11-12DOI: 10.1109/GIWRM.2012.6349568
F. Ouyang, Maojie Li
In shallow surface flow constructed wetland constructed in the laboratory, with domestic sewage as the study object, the optimum hydraulic load and the relation between removal of organics / total phosphorus and dissolved oxygen of the system is discussed. The optimum hydraulic load for operation of the system obtained by experimental analysis is 0.2m3/m2.d, and the relation between dissolved oxygen and removal of organics is more general than the relation between dissolved oxygen and removal of total phosphorus.
{"title":"Analysis on impact of shallow surface flow constructed wetland on removal of organics and total phosphoru","authors":"F. Ouyang, Maojie Li","doi":"10.1109/GIWRM.2012.6349568","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349568","url":null,"abstract":"In shallow surface flow constructed wetland constructed in the laboratory, with domestic sewage as the study object, the optimum hydraulic load and the relation between removal of organics / total phosphorus and dissolved oxygen of the system is discussed. The optimum hydraulic load for operation of the system obtained by experimental analysis is 0.2m3/m2.d, and the relation between dissolved oxygen and removal of organics is more general than the relation between dissolved oxygen and removal of total phosphorus.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80646260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-11-12DOI: 10.1109/GIWRM.2012.6349645
Z. Liao, Phillip M. Hannam
There have been many quarrels among countries of the Mekong River Basin surrounding about use of the water resources of the river in recent years. This paper is to achieve an all-win situation in use of Mekong water resources through cooperation. A game named “The Mekong Game” was designed for those Ph.D. students and resource persons to play on the PROSPER.NET's workshop. For a hypothetical case in Mekong Game, the Shapley Value Method's results were given, which could be regarded as one of equitable results in theory, and the Mekong Game's process and outcomes are introduced in this paper. Participants were divided into six groups representing six involved “countries”. The process of meeting an agreement with an all-win idea was simulated through three round-table negotiations. The results reveal: although it is harder to get theoretical optimal aftermath considering other complicated factors than those which can be calculated, the all-win situation is still possible through bargaining and negotiation processes, which should be much better than all-lose situation such as the current one.
{"title":"An all-win game for Mekong","authors":"Z. Liao, Phillip M. Hannam","doi":"10.1109/GIWRM.2012.6349645","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349645","url":null,"abstract":"There have been many quarrels among countries of the Mekong River Basin surrounding about use of the water resources of the river in recent years. This paper is to achieve an all-win situation in use of Mekong water resources through cooperation. A game named “The Mekong Game” was designed for those Ph.D. students and resource persons to play on the PROSPER.NET's workshop. For a hypothetical case in Mekong Game, the Shapley Value Method's results were given, which could be regarded as one of equitable results in theory, and the Mekong Game's process and outcomes are introduced in this paper. Participants were divided into six groups representing six involved “countries”. The process of meeting an agreement with an all-win idea was simulated through three round-table negotiations. The results reveal: although it is harder to get theoretical optimal aftermath considering other complicated factors than those which can be calculated, the all-win situation is still possible through bargaining and negotiation processes, which should be much better than all-lose situation such as the current one.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80859021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-11-12DOI: 10.1109/GIWRM.2012.6349590
X. Yue, Chunming Han
Three-dimensional information of each point on the image can be obtained by high-precision positioning based on airborne synthetic aperture radar interferometry (InSAR) data and high-precision Digital Elevation Model (DEM), and Digital Orthophoto Map (DOM) can also be obtained. Hence, the high-precision positioning is an important means to solve topographic mapping in large area with few control points, and has important significance for the unexpected natural disaster monitoring and evaluation of rapid response and quantitative analysis. The airborne InSAR high-precision positioning experiment which covers 4 strips 76 scenes 472 square kilometers is completed based on 0.5 m resolution airborne InSAR data by using self-developed Airborne InSAR Positioning Software System in Jiangyou Sichuan province, and the result meets 1:10000 scale DEM and DOM mapping accuracy requirements.
{"title":"Research on DEM and DOM generation with airborne InSAR data","authors":"X. Yue, Chunming Han","doi":"10.1109/GIWRM.2012.6349590","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349590","url":null,"abstract":"Three-dimensional information of each point on the image can be obtained by high-precision positioning based on airborne synthetic aperture radar interferometry (InSAR) data and high-precision Digital Elevation Model (DEM), and Digital Orthophoto Map (DOM) can also be obtained. Hence, the high-precision positioning is an important means to solve topographic mapping in large area with few control points, and has important significance for the unexpected natural disaster monitoring and evaluation of rapid response and quantitative analysis. The airborne InSAR high-precision positioning experiment which covers 4 strips 76 scenes 472 square kilometers is completed based on 0.5 m resolution airborne InSAR data by using self-developed Airborne InSAR Positioning Software System in Jiangyou Sichuan province, and the result meets 1:10000 scale DEM and DOM mapping accuracy requirements.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79288736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-11-12DOI: 10.1109/GIWRM.2012.6349549
Liyong Zhang, Yang Lu, Junliang Liu, Z. Wang, Lei Liang
Aiming at the characteristics of big elevation difference of the terrain and the complex topography in the mountain mining area, The author recognized importance of water supply security for economy and pointed out some key problems that need to be paid attention to in the process of planning and design of the water supply in the mountain mining area. In addition to this, the author also introduces programs of the district planning and the optimal operation of the water supply in the mountain mining area with some specific project.
{"title":"The planning and design and the optimal operation of the water supply system in the Mountain mining area","authors":"Liyong Zhang, Yang Lu, Junliang Liu, Z. Wang, Lei Liang","doi":"10.1109/GIWRM.2012.6349549","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349549","url":null,"abstract":"Aiming at the characteristics of big elevation difference of the terrain and the complex topography in the mountain mining area, The author recognized importance of water supply security for economy and pointed out some key problems that need to be paid attention to in the process of planning and design of the water supply in the mountain mining area. In addition to this, the author also introduces programs of the district planning and the optimal operation of the water supply in the mountain mining area with some specific project.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79636000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-11-12DOI: 10.1109/GIWRM.2012.6349600
Yin-Xia Sun, Zong-Li Ren, J. Xing
CTMAB-DTPA-bentonite (hexadecyl trimethyl ammonium bromide-diethylene triamine pentaacetic acid-bentonite) was synthesized by placing alkylammonium cation and organic chelating agents onto bentonite. The simultaneous adsorption of organic pollutant (phenol) and heavy metals (Cu2+ and Cd2+) mixed contaminant on CTMAB-DTPA-bentonite was investigated. The CTMAB-DTPA-bentonite showed significant adsorption for the mixed contaminant from aqueouss solution. The Langmuir and Freundlich isotherm equations were applied to the data and values of parameters of these isotherm equations were evaluated.
{"title":"The performance of the CTMAB-DTPA modified bentonite as a sorbent for Cu2+, Cd2+ and phenol","authors":"Yin-Xia Sun, Zong-Li Ren, J. Xing","doi":"10.1109/GIWRM.2012.6349600","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349600","url":null,"abstract":"CTMAB-DTPA-bentonite (hexadecyl trimethyl ammonium bromide-diethylene triamine pentaacetic acid-bentonite) was synthesized by placing alkylammonium cation and organic chelating agents onto bentonite. The simultaneous adsorption of organic pollutant (phenol) and heavy metals (Cu2+ and Cd2+) mixed contaminant on CTMAB-DTPA-bentonite was investigated. The CTMAB-DTPA-bentonite showed significant adsorption for the mixed contaminant from aqueouss solution. The Langmuir and Freundlich isotherm equations were applied to the data and values of parameters of these isotherm equations were evaluated.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77490274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-11-12DOI: 10.1109/GIWRM.2012.6349641
Zhi-hua Zhang, Jing Wei, Jin Han, E. Hou
Three-dimensional modeling of mine tunnel is the important content of three-dimensional modeling of deposit, but also an important means to realize the visual expression of underground tunnel, analyze spatial distribution optimization and improve mine production management. Three-dimensional modeling of drainage tunnel can more realistically reflect the real situation. Firstly, the paper analyzes the structure of the drainage tunnel, and describes data structures by using C++; Then, as semi-tunnel model for voxel, according to the symmetry modeling method, the drainage tunnel can be modeling. Meanwhile, the paper gives specific modeling steps. Using VC++ combined with OpenGL, it realizes test system of three-dimensional simulation of drainage tunnel, and verifies that the proposed modeling method is feasible.
{"title":"Research on 3D tunnel modeling with drainage","authors":"Zhi-hua Zhang, Jing Wei, Jin Han, E. Hou","doi":"10.1109/GIWRM.2012.6349641","DOIUrl":"https://doi.org/10.1109/GIWRM.2012.6349641","url":null,"abstract":"Three-dimensional modeling of mine tunnel is the important content of three-dimensional modeling of deposit, but also an important means to realize the visual expression of underground tunnel, analyze spatial distribution optimization and improve mine production management. Three-dimensional modeling of drainage tunnel can more realistically reflect the real situation. Firstly, the paper analyzes the structure of the drainage tunnel, and describes data structures by using C++; Then, as semi-tunnel model for voxel, according to the symmetry modeling method, the drainage tunnel can be modeling. Meanwhile, the paper gives specific modeling steps. Using VC++ combined with OpenGL, it realizes test system of three-dimensional simulation of drainage tunnel, and verifies that the proposed modeling method is feasible.","PeriodicalId":6394,"journal":{"name":"2012 International Symposium on Geomatics for Integrated Water Resource Management","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73206926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：