Water Practice and Technology最新文献

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Assessing hydrological and water quality parameters in the Hathmati Watershed using the SWAT (Soil and Water Assessment Tool) 利用SWAT(土壤和水评估工具)评估Hathmati流域水文和水质参数
Water Practice and Technology Pub Date : 2023-10-20 DOI: 10.2166/wpt.2023.151
Payal Vinitkumar Shah, Mohd Zuned M. Shaikh, Pradeep P. Lodha
{"title":"Assessing hydrological and water quality parameters in the Hathmati Watershed using the SWAT (Soil and Water Assessment Tool)","authors":"Payal Vinitkumar Shah, Mohd Zuned M. Shaikh, Pradeep P. Lodha","doi":"10.2166/wpt.2023.151","DOIUrl":"https://doi.org/10.2166/wpt.2023.151","url":null,"abstract":"Abstract The study is conducted on the Hathmati River, which is the principal tributary of the Sabarmati River, one of Gujarat's biggest rivers. Indicators of water quality such organic N, organic P, NO3, NH4, NO2, total N, and total P were compared between the observed values in the watershed and the streamflow models. For monthly streamflow and monthly nitrate during the calibration period of 1999–2012, and for 0.87 and 0.56 for the validation period of 2013–2020, respectively, the Nash–Sutcliffe efficiency was 0.89 and 0.79. The measured water quality data at three locations in the watershed were largely compatible with their corresponding modeled values, while the agreement varied by nutrients. Using the parameters used to forecast the hydrological and water quality responses in the watershed region, the Soil and Water Assessment Tool model faithfully duplicated the hydrological and water quality conditions in this agricultural watershed. The results of the modeling indicated that nutrients are one of the key determinants with regard to the quality of the water, in accordance with the current land use and management practices in the watershed. Management practices should be implemented in order to reduce the nutrient load and meet the watershed's requisite water quality standards.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135617565","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}
引用次数: 0
Growers' irrigation practices, knowledge, trust, and attitudes toward wastewater reuse in Lebanon, Jordan, and Tunisia through a food safety lens 从食品安全的角度看黎巴嫩、约旦和突尼斯种植者对废水再利用的灌溉实践、知识、信任和态度
Water Practice and Technology Pub Date : 2023-10-19 DOI: 10.2166/wpt.2023.169
Dima Faour-Klingbeil, Asma’ O.Taybeh, Olfa Mahjoub, Othman Almashaqbeh, Christelle Bou Mitri, Joy J. Samaha, Latifa Dhaouadi, Ewen C. D. Todd
{"title":"Growers' irrigation practices, knowledge, trust, and attitudes toward wastewater reuse in Lebanon, Jordan, and Tunisia through a food safety lens","authors":"Dima Faour-Klingbeil, Asma’ O.Taybeh, Olfa Mahjoub, Othman Almashaqbeh, Christelle Bou Mitri, Joy J. Samaha, Latifa Dhaouadi, Ewen C. D. Todd","doi":"10.2166/wpt.2023.169","DOIUrl":"https://doi.org/10.2166/wpt.2023.169","url":null,"abstract":"Abstract Maximizing water reuse requires addressing legal and regulatory frameworks, but growers’ understanding of water as a vehicle for pollutants and safe practices is vital in this process. A cross-sectional survey of 85 growers in Lebanon, Jordan, and Tunisia explored these factors. Results showed that 70.6% of growers had limited knowledge about the transmission of pathogens, pesticides, and pharmaceuticals to food crops via treated wastewater (TWW). Additionally, 55% of farmers used TWW for irrigation, while 65.9% believed that it poses health risks to consumers when applied to crops eaten raw. A positive attitude toward TWW was a determining factor for maximizing water reuse applications. However, the limited access and unavailability of treatment plants were the primary reasons for not using TWW (32.9%). More concerning, less than half controlled the quality of irrigation water using microbiological tests (32.9%), chemical tests (37.6%), and turbidity tests (29.4%). Meanwhile, only 40% trusted local authorities’ control of TWW quality and 69.4% had no access to regulatory information. The present study showed the importance of prioritizing growers’ awareness of potential risks and establishing the practice of monitoring of water quality indicators and contaminants. These should be at the forefront of water reuse expansion strategies to mitigate associated risks.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135730476","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}
引用次数: 0
Statistical analysis for remediation of As(III) ions from water using pristine and derivatized Phyllanthus emblica seed coat 原始和衍生的余甘子种皮修复水中As(III)离子的统计分析
Water Practice and Technology Pub Date : 2023-10-17 DOI: 10.2166/wpt.2023.165
Rajeev Kumar, Jyoti Chawla, Madhvi Nayyar
{"title":"Statistical analysis for remediation of As(III) ions from water using pristine and derivatized <i>Phyllanthus emblica</i> seed coat","authors":"Rajeev Kumar, Jyoti Chawla, Madhvi Nayyar","doi":"10.2166/wpt.2023.165","DOIUrl":"https://doi.org/10.2166/wpt.2023.165","url":null,"abstract":"Abstract The aim of this study is to determine the optimal conditions for remediation of As(III) ions from water using adsorbents prepared from the seed coat of pristine Phyllanthus emblica (PPE) and derivatized Phyllanthus emblica (DPE), and were analyzed with the help of Box–Behnken design (BBD) and central composite design (CCD) optimization techniques. pH, initial ion concentration, dosage, and contact time were taken as process parameters while designing the experiment. The desirability factor for both the adsorbents was high as follows: (1.0) for the BBD in comparison to the CCD (0.8). The regression coefficient (R2) for both adsorbents was in the range of 0.993–0.999 for the BBD and 0.965–0.969 for the CCD. The BBD is found to be more suitable for designing experiments, optimization of variables for maximum removal, and estimation of removal percentage in different conditions. The adsorption of ions at equilibrium (qe) was found to be 43.59 mg/g at optimal conditions of pH 7.13, initial concentration of arsenic of 99.02 mg/L, contact time of 105.13 min, and dosage of 0.12 g/L for PPE using the BBD. However, the adsorption of ions at equilibrium (qe) was found to be 48.79 mg/g at optimal conditions of pH 7.31, initial ion concentration of 98.82 mg/L, contact time of 126.99 min, and dosage of 0.12 g/L for DPE using the BBD technique.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136033218","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}
引用次数: 0
Identifying groundwater recharge potential zone using analytical hierarchy process (AHP) in the semi-arid Shinile watershed, Eastern Ethiopia 利用层次分析法(AHP)确定埃塞俄比亚东部半干旱Shinile流域地下水补给潜力区
Water Practice and Technology Pub Date : 2023-10-17 DOI: 10.2166/wpt.2023.168
Asfaw Kebede Kassa, Negash Tessema, Amensis Habtamu, Bekele Girma, Zablon Adane
{"title":"Identifying groundwater recharge potential zone using analytical hierarchy process (AHP) in the semi-arid Shinile watershed, Eastern Ethiopia","authors":"Asfaw Kebede Kassa, Negash Tessema, Amensis Habtamu, Bekele Girma, Zablon Adane","doi":"10.2166/wpt.2023.168","DOIUrl":"https://doi.org/10.2166/wpt.2023.168","url":null,"abstract":"Abstract Surface and groundwater are priceless resources not consistently concentrated both spatially and temporally. Groundwater is the most valuable resource and dynamic and is not distributed equally. Analytical hierarchy processes (AHP) were used in Shinile Watershed, Eastern Ethiopia to identify high-potential groundwater recharge zones. The amount of groundwater in a particular location depends on topography, lithology, geological structure, depth of weathering, slope, drainage pattern, land use land cover (LULC), and rainfall patterns. Numerous themes are covered in the potentiality mapping according to their relative relevance, including geology, slope gradient, LULC, soil texture, rainfall, lineament density, drainage density, groundwater fluctuation, etc. The weights of various themes have been determined using the AHP method, and then overlay analysis in the geospatial context has been completed. According to the investigation, the groundwater recharge potential zone has five levels: very low, low, moderate, high, and very high. The validation results using existing borehole sites demonstrate that the applied approach produces extremely dense data that can support long-term planning and sustainable groundwater resource utilization in a region with scarce water resources. This study guides effectively incorporating acceptable research findings into national policy and decision-making processes to dramatically improve groundwater supplies' sustainability in the study area.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"941 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135995128","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}
引用次数: 0
Study on the physico-chemical properties of water in the Pokkali wetlands of Ernakulam, Kerala, India 印度喀拉拉邦erakulam Pokkali湿地水的理化性质研究
Water Practice and Technology Pub Date : 2023-10-17 DOI: 10.2166/wpt.2023.164
Surya Babu S., Raju Thomas K.
{"title":"Study on the physico-chemical properties of water in the Pokkali wetlands of Ernakulam, Kerala, India","authors":"Surya Babu S., Raju Thomas K.","doi":"10.2166/wpt.2023.164","DOIUrl":"https://doi.org/10.2166/wpt.2023.164","url":null,"abstract":"Abstract The Pokkali wetlands of Ernakulam District, Kerala, are incredibly nutrient-rich, biodiverse habitats that offer a wide range of benefits. There are important bird areas that lie under the Central Asian Flyway (CAF) and the Vembanad Ramsar site. An intensive study was carried out on the physico-chemical properties of water samples collected from the Pokkali wetlands of Ernakulam, Kerala, from 1 June 2016 to 31 May 2019. The water parameters, such as temperature (°C), pH, depth (cm), dissolved oxygen (DO) (mg/L), salinity (mg/L), turbidity (NTU), and electrical conductivity (μS cm−1) were analysed and recorded. The correlation between various parameters was analysed using the PAST software. The physico-chemical parameters of water have an influence on the biodiversity and ecology of the study area. Data collection about these aquatic parameters is essential to assess the status and biodiversity of the wetland ecosystem.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"168 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136032971","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}
引用次数: 0
Assessing crop–livestock water productivity in mixed-farming systems across climatic zones of Burkina Faso 评估布基纳法索跨气候带混合耕作系统的作物-牲畜水分生产力
Water Practice and Technology Pub Date : 2023-10-12 DOI: 10.2166/wpt.2023.162
Charles Lamoussa Sanou, Sampson Kwaku Agodzo, Enoch Bessah, Philip Antwi-Agyei
{"title":"Assessing crop–livestock water productivity in mixed-farming systems across climatic zones of Burkina Faso","authors":"Charles Lamoussa Sanou, Sampson Kwaku Agodzo, Enoch Bessah, Philip Antwi-Agyei","doi":"10.2166/wpt.2023.162","DOIUrl":"https://doi.org/10.2166/wpt.2023.162","url":null,"abstract":"Abstract Climate change adversely impacts food and feed production, depletes water, and increases the vulnerability of the people living within arid and semi-arid areas. The current study aims to assess crop–livestock water productivity within such drought-recurrent or water-stressed regions. This was done through secondary data collection and interviews from 589 households across the Sudan, Sudan–Sahel, and Sahel climatic zones of Burkina Faso. The findings confirm that the feeding strategies of livestock were based essentially on natural pasture, crop residues, and agricultural by-products. Moreover, crop–livestock total water productivity (TWP) was found generally higher in the Sudan zone (0.29 ± 0.02 $US/m3) characterized by more favorable climatic conditions than the Sudan–Sahel and Sahel regions that experienced a similar TWP (0.21 ± 0.01 $US/m3). The research gives insight into the valuation of virtual water contained in livestock feeds. Improving the accessibility in quantity and quality of such feeds through informed policy actions could enhance returns on transpired water. Additionally, other water harvesting and conservation methods are also essential to sustain more productive crop–livestock systems within water-stressed regions like Burkina Faso.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135968306","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}
引用次数: 0
Impact of climate change on droughts: a case study of the Zard River Basin in Iran 气候变化对干旱的影响:以伊朗扎德河流域为例研究
Water Practice and Technology Pub Date : 2023-10-10 DOI: 10.2166/wpt.2023.159
Pedram Mahdavi, Hossein Ghorbanizadeh Kharazi
{"title":"Impact of climate change on droughts: a case study of the Zard River Basin in Iran","authors":"Pedram Mahdavi, Hossein Ghorbanizadeh Kharazi","doi":"10.2166/wpt.2023.159","DOIUrl":"https://doi.org/10.2166/wpt.2023.159","url":null,"abstract":"Abstract In this research, a Soil and Water Assessment Tool (SWAT) model was assembled and used to evaluate the effects of climate change on runoff and drought in a semi-arid basin in Iran. The SWAT model showed good performance in the simulation of runoff. Eleven AOGCMs under RCP45 and RCP85 scenarios and the period 2022–2041 were selected to investigate future projections. It was predicted that runoff would decrease significantly under all scenarios. The average monthly flow at the basin outlet averaged over a year is predicted to fall from 8.75 to 6.78 m3/s over the next 20 years. In this research, the meteorological and hydrological droughts were estimated using SPI and SDI indices, respectively. By coupling climate change scenarios and SWAT models, it was found that the severity of droughts in the future will be far greater than has ever happened before.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136294898","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}
引用次数: 0
Comparison of economic benefits for the utilization of reclaimed resources from wastewater treatment plants: a case study in Beijing 污水处理厂再生资源利用的经济效益比较——以北京市为例
Water Practice and Technology Pub Date : 2023-10-09 DOI: 10.2166/wpt.2023.161
Yongfeng Hu, Yongxiang Zhang, Kun Wang
{"title":"Comparison of economic benefits for the utilization of reclaimed resources from wastewater treatment plants: a case study in Beijing","authors":"Yongfeng Hu, Yongxiang Zhang, Kun Wang","doi":"10.2166/wpt.2023.161","DOIUrl":"https://doi.org/10.2166/wpt.2023.161","url":null,"abstract":"Abstract The fate of resource recovery is significantly influenced by the standards of water quality and bio-dried excess sludge for various applications. These standards must be practically attainable while ensuring public and environmental health, safety, and economic advantages. The present study investigates a reclaimed wastewater treatment plant (WWTP) in Beijing that incorporates both reclaimed water utilization facility and bio-dried excess sludge treatment. The study elucidates the standards for reclaimed water quality and bio-dried excess sludge for diverse applications. Notably, reclaimed water demonstrates substantial market demand in terms of economic benefits. However, bio-dried excess faces challenges due to higher operational costs and lower TP content. The heat power of the WWTP effluent water source can not only be harnessed for the bio-drying process blowers but also be elevated air temperatures to expedite the bio-drying process.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135093614","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}
引用次数: 0
Addressing non-revenue water as a global problem and its interlinkages with sustainable development goals 将非收入水作为一个全球性问题处理,并将其与可持续发展目标联系起来
Water Practice and Technology Pub Date : 2023-10-06 DOI: 10.2166/wpt.2023.157
Hatem Taha AbuEltayef, Khaldoun S. AbuAlhin, Khalil M. Alastal
{"title":"Addressing non-revenue water as a global problem and its interlinkages with sustainable development goals","authors":"Hatem Taha AbuEltayef, Khaldoun S. AbuAlhin, Khalil M. Alastal","doi":"10.2166/wpt.2023.157","DOIUrl":"https://doi.org/10.2166/wpt.2023.157","url":null,"abstract":"Abstract By 2050, over 40% of the global population could face severe water stress. The 2030 Agenda explicitly integrates water resources, supply, and sanitation, emphasizing sustainability for present and future generations. Non-revenue water (NRW) creates a barrier to sustainability through energy, water loss, and money not collected through water bills. However, NRW is well recognized by water service providers, and a comprehensive solution is lacking. Addressing NRW is vital to sustainable operations and achieving the Sustainable Development Goals (SDGs). This desk literature review investigates NRW's links with SDGs, highlighting global and local impacts, flameworking interconnections, and revealing economic, social, and environmental consequences. The study revealed that NRW not only aligns with various SDGs, particularly SDG 6 and SDG 13, but also has synergies with other goals related to energy and sustainable consumption. Reducing NRW can achieve more sustainable and resilient water systems, and contribute to the broader SDG. The cost of NRW extends beyond the financial implications for water utilities. It also encompasses the economic impacts on industries and businesses, which impacts exceeded water productivity, increased operational costs, and economic development constraints.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135352574","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}
引用次数: 0
Bacterial communities structure in constructed wetlands for municipal and industrial wastewater treatment in Tanzania 坦桑尼亚用于市政和工业废水处理的人工湿地细菌群落结构
Water Practice and Technology Pub Date : 2023-10-05 DOI: 10.2166/wpt.2023.155
Gerubin Liberath Msaki, Sadikiel E. Kaale, Karoli Nicholas Njau, Thomas J. Lyimo
{"title":"Bacterial communities structure in constructed wetlands for municipal and industrial wastewater treatment in Tanzania","authors":"Gerubin Liberath Msaki, Sadikiel E. Kaale, Karoli Nicholas Njau, Thomas J. Lyimo","doi":"10.2166/wpt.2023.155","DOIUrl":"https://doi.org/10.2166/wpt.2023.155","url":null,"abstract":"Abstract Bacteria are the largest and most essential microorganisms in wastewater treatment systems. Despite the vital role bacteria play in enhancing wastewater treatment, its community structure and diversity remain poorly known. This study elucidated bacterial diversity and community structure in constructed wetlands (CWs) for municipal and industrial wastewater treatment using a culture-independent approach. Analysis of physicochemical parameters and Illumina high-throughput sequencing of V3 and V4 hypervariable regions of 16S rRNA gene bacterial community was performed. The results showed that the Proteobacteria were dominant (48.66%) phyla across all CWs. The Gammaproteobacteria class (27.67%), family Comamonadaceae (35.79) and Genus Flavobacterium (4.35%) were dominant across studied CWs. Bacterial abundance increased from the inlet to the outlet, with CWs having a higher abundance around the outlet, showing a good performance. The Shannon–Wiener index showed the highest species diversity (H = 1.45) in Banana Investment Limited CWs treating industrial wastewater. This study found significant bacterial diversity across studied CWs, with higher abundance and diversity at the outlet indicating better performance than those with low abundance and diversity at the outlet. We recommend a longitudinal investigation at each CWs section to confirm and establish the role of bacterial diversity on the performance pattern of CWs.","PeriodicalId":23794,"journal":{"name":"Water Practice and Technology","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135481389","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}
引用次数: 0
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