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2021 Third International Sustainability and Resilience Conference: Climate Change最新文献

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+The economic feasibility of converting agricultural waste to PLA using simventure +利用simventure将农业废弃物转化为PLA的经济可行性
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9667949
Nahla Hazem, I. Fahim
People's activities and a growing population contribute to a large increase in waste generation, resulting in several environmental risks that endanger life on the planet. Residues from agriculture contain a variety of beneficial chemicals. As an alternative source for the manufacturing of various products, these wastes can be utilized. To save resources and maintain the quality of the environment, agricultural residues management is considered an important technique. An increasing amount of bioplastics are being produced from agricultural waste because of its low cost and availability. It has a wide range of uses. Plastic films, bottles, and biodegradable medical equipment are some of the most popular benefits. It is commonly utilized in the packaging industry because of its ability to withstand high temperatures. Food packaging and single-use plastic have become increasingly popular with companies. Accordingly, companies started to adopt projects focusing on producing PLA from agricultural waste. Consequently, this paper aims to analyze the economic feasibility of converting agricultural waste to polylactic acid. This study covers two years using simVenture software. The goal of SimVenture is to help young people develop their corporates, businesses, and entrepreneurial thinking by stimulating their ideas. Moreover, the data collected is based on in-depth interviews with experts in this field. The results showed that the shareholder satisfaction and the cash flow increased over the two years. Also, the number of the produced products has increased. Although the number of liabilities increased in the first quarter of the first year, it noticeably decreased in the last quarter of the second year.
人们的活动和不断增长的人口导致废物产生的大量增加,导致危及地球上生命的若干环境风险。农业残留物含有多种有益的化学物质。作为制造各种产品的替代来源,这些废物可以被利用。为了节约资源和保持环境质量,农业废弃物管理被认为是一项重要的技术。越来越多的生物塑料是从农业废物中生产出来的,因为它的成本低,而且容易获得。它有广泛的用途。塑料薄膜、塑料瓶和可生物降解的医疗设备是一些最受欢迎的福利。它通常用于包装行业,因为它能够承受高温。食品包装和一次性塑料越来越受到公司的欢迎。因此,企业开始采用侧重于从农业废弃物中生产聚乳酸的项目。因此,本文旨在分析将农业废弃物转化为聚乳酸的经济可行性。本研究使用simVenture软件进行为期两年的研究。SimVenture的目标是通过激发年轻人的想法,帮助他们发展自己的公司、业务和创业思维。此外,所收集的数据是基于对该领域专家的深入访谈。结果表明,股东满意度和现金流量在两年内均有所提高。此外,生产的产品数量也有所增加。虽然第一年第一季度负债增加,但第二年最后一个季度明显减少。
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引用次数: 1
A Review of the Hybrid Darrieus-Savonius Turbine for Hydrokinetic Applications 混合动力达里厄斯-萨沃尼乌斯水轮机的研究进展
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9668166
Nauman Riyaz Maldar, C. Ng, E. Oğuz
In recent years, the cross-flow hydrokinetic turbines (HKTs) have been researched intensively owing to their key characteristics such as independency of flow direction and simple design. The Savonius turbine, being a drag-based device is known to have good starting performance. On the other hand, the lift-based Darrieus turbine, in several studies, has demonstrated reasonable efficiency over a wide range of flow velocities. To capitalize on the respective advantages, both the devices can be integrated together on the same axis thus forming a combined/hybrid turbine. In this paper, the authors have collected and analyzed published studies that investigate the performance of such hybrid Savonius-Darrieus designs with respect to hydrokinetic applications. Hardly a review study exists hitherto which solely discusses the studies for hybrid turbine that have been conducted using water as the operating fluid. Therefore, the primary aim of this paper is to establish a distinct research background for the hybrid turbine exclusively in terms of hydrokinetic applications. In addition to summarizing the existing literature, the present study also highlights the key gaps that will further enable the concerned researchers to explore the uninvestigated aspects within the domain of hybrid HKTs.
近年来,横流式水动力水轮机以其流动方向不独立、设计简单等关键特点得到了广泛的研究。萨沃纽斯涡轮,作为一种基于阻力的设备,众所周知具有良好的启动性能。另一方面,在几项研究中,基于升力的Darrieus涡轮已经在很大的流速范围内证明了合理的效率。为了利用各自的优势,两个设备可以集成在同一轴上,从而形成一个组合/混合涡轮。在本文中,作者收集并分析了已发表的研究,这些研究调查了这种混合Savonius-Darrieus设计在水动力学应用方面的性能。迄今为止,很少有专门讨论以水为工作流体的混合动力水轮机的研究综述。因此,本文的主要目的是建立一个独特的研究背景的混合动力涡轮专门在水动力的应用。除了总结现有文献外,本研究还强调了关键差距,这将进一步使有关研究人员能够探索混合香港交通领域未研究的方面。
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引用次数: 0
Impact of COVID 19 on Small and Medium-Sized Enterprises: Evidence from Egyptian Plastic Packaging Industry 新冠肺炎疫情对中小企业的影响:来自埃及塑料包装行业的证据
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9667962
Dina El Kayaly, Nahla Hazem, I. Fahim
The paper presents the impact of COVID 19 on small- and medium-sized enterprises and the survival initiatives based on the owners' perspectives. The authors focused on plastic packaging small and medium size producers working in Egypt as a case study. The study applies qualitative approach conducted through phone-based interviews with five selected SMEs' and also supported by desk research and followed by three experts' interviews with professionals working at the ministry of environment in Egypt. The paper finds that SMEs working in the plastic packaging in Egypt were hit significantly by COVID-19. The impacts of COVID 19 on SMEs are classified into operational problems and financial problems. Regarding operational problems, the number of paid employees and the total number of hours worked by paid employees were reduced by 50%. And in terms of production, clear disruption in the supply chain occurred. Regarding financials, they have limited cash on hand, yet they did not apply for a loan to cover their expenses and preferred to temporarily reduce production. This paper represents one of the first attempts to closely assess the impact of COVID-19 on Egyptian SMEs working in plastic packaging. The assessment considers various aspects including employment, production, supply chain, financials, and the outlook to capture the full potential cost of COVID-19. It also discusses the solid waste plan (2019-2023) and how the government can support the green initiatives related to plastic recycling. The results show that fiscal and monetary measures taken by the Egyptian government were not perceived as the ultimate support desired by SMEs in this specific industry. They wanted more tailored programs addressing their specific needs.
本文从业主的角度阐述了新冠肺炎疫情对中小企业的影响及生存举措。作者集中在塑料包装的中小型生产商在埃及工作作为一个案例研究。该研究采用定性方法,通过对五家选定的中小企业进行电话访谈,并辅以案头研究,随后对埃及环境部的专业人员进行了三次专家访谈。本文发现,在埃及从事塑料包装工作的中小企业受到COVID-19的严重打击。新冠肺炎疫情对中小企业的影响分为经营问题和财务问题。在操作问题上,受薪员工的人数和受薪员工的总工作时数减少了50%。在生产方面,供应链出现了明显的中断。在财务方面,他们手头的现金有限,但他们没有申请贷款来支付他们的开支,而是宁愿暂时减产。本文是密切评估COVID-19对从事塑料包装工作的埃及中小企业影响的首次尝试之一。该评估考虑了就业、生产、供应链、财务和前景等各个方面,以充分反映COVID-19的潜在成本。它还讨论了固体废物计划(2019-2023)以及政府如何支持与塑料回收相关的绿色倡议。结果表明,埃及政府采取的财政和货币措施并没有被认为是中小企业在这个特定行业所希望的最终支持。他们想要更有针对性的项目来满足他们的特殊需求。
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引用次数: 1
Laboratory scale study on assessment of various geotextile materials for reduction of sediments from a soil surface 各种土工织物材料减少土壤表面沉积物的实验室规模研究
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9668035
M. Zeshan, Muhammad Raza Ul Mustafa, Hifsa Khurshid
Barren steep slopes in a watershed and along a roadside, such as embankments, cause degradation of top layer of soil surface. This triggers to expose sub-surface layers of soil, making them fragile for further potential deterioration and ultimately increasing sediment detachment from the surfaces causing silting, and sedimentation in rivers and waterbodies. This process is considered as the major cause of soil erosion which badly affects the quality of water and sustainability of the surrounding waterbodies. This study conducted a laboratory-scale investigation to assess performance of various land covers for reduction of turbidity and suspended solids from a soil surface in response to various rainfall intensities and slope angles. The investigation was performed on five different soil surface covers such as vegetation, coir, polyester, and palm geotextiles (partially & fully covered). The study was conducted under two variable conditions: (i) slope variation: mild and steep slopes viz., 30° and 45° and (ii) rainfall variation: average and severe rainfall intensities viz., 40 and 60 mm/hr. The study examined suspended solids and turbidity in surface runoff based on the aforementioned climatic conditions. The results showed a significant difference in performance of the geotextile materials for controlling suspended solids and turbidity. Overall, the results indicated that palm geotextile was most effective in reducing turbidity (~95%) and suspended solids (84%) as compared to other surface covers under same climatic conditions.
流域和路堤等路边的贫瘠陡坡会导致表层土壤退化。这会导致次表层土壤暴露,使它们变得脆弱,可能进一步恶化,并最终增加沉积物从表面分离,导致泥沙淤积,并在河流和水体中沉积。这一过程被认为是土壤侵蚀的主要原因,严重影响了水的质量和周围水体的可持续性。本研究进行了一项实验室规模的调查,以评估不同土地覆盖在不同降雨强度和斜坡角度下减少土壤表面浊度和悬浮固体的性能。调查在五种不同的土壤表面覆盖物上进行,如植被、椰子、聚酯和棕榈土工布(部分和完全覆盖)。这项研究是在两个可变条件下进行的:(i)坡度变化:缓坡和陡坡,即30°和45°;(ii)降雨变化:平均和强降雨强度,即40和60毫米/小时。该研究根据上述气候条件检查了地表径流中的悬浮固体和浊度。结果表明,土工布材料在控制悬浮物和浊度方面存在显著差异。总的来说,结果表明,在相同的气候条件下,与其他表面覆盖物相比,棕榈土工布在减少浊度(~95%)和悬浮物(84%)方面最有效。
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引用次数: 0
BIM Methodology applied to Facility Management: development of an integrated tool to benefit the building operation 应用于设施管理的BIM方法:开发有利于建筑运营的综合工具
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9668156
Luã Francisco Rangel Carneiro, Yan Jeronymo Bento de Oliveira, Pedro V. Murga, Giovanna R. Consulmagnos, Karoline V. Figueiredo, A. Haddad
―The Building Information Modeling (BIM) methodology applied to Facility Management (FM) has proven to be a great facilitator for professionals. However, this integration is still a little-explored topic in the construction sector. This is because there is still a significant obstacle in construction related to interoperability between systems, making it difficult to centralize information related to the building's operational phase. Thus, the application of BIM for FM is still experimental, with few practical studies on this subject being presented in the literature. In this context, this article aims to introduce a new tool called BIMBoard: a new way to present data exported from BIM projects, with practicality, speed, and efficiency, allowing all the stakeholders to access information and reporting of a building. In its first version, the BIMBoard tool enables practitioners to generate work orders for a particular element, centralizing data and benefiting the decision-making process during the building's operation phase. The future direction of this study is to add more capabilities to BIMBoard, connecting the program to the internet, thus allowing to extract information that is not possible only with BIM-based software.
-应用于设施管理(FM)的建筑信息模型(BIM)方法已被证明是专业人士的一个伟大的促进者。然而,这种整合在建筑领域仍然是一个很少探索的话题。这是因为在与系统之间的互操作性相关的构建中仍然存在重大障碍,使得难以集中与建筑物的操作阶段相关的信息。因此,BIM在FM中的应用仍处于实验阶段,文献中很少有关于这一主题的实际研究。在此背景下,本文旨在介绍一种名为BIMBoard的新工具:一种展示从BIM项目导出数据的新方法,具有实用性、速度和效率,允许所有利益相关者访问建筑物的信息和报告。在其第一个版本中,BIMBoard工具使从业者能够为特定元素生成工作命令,集中数据,并在建筑运营阶段有利于决策过程。本研究的未来方向是为BIMBoard添加更多功能,将程序连接到互联网,从而允许提取仅基于bim的软件无法提取的信息。
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引用次数: 0
Enhancing Medical Data Transparency and Integrity with Blockchain Based Implementation 通过基于区块链的实施增强医疗数据的透明度和完整性
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9668137
L. Yuan, Muhammad Ehsan Rana, Qusay Al Maatouk
Electronic Health Record (EHR) is one of the most common ways to represent patients' medical information digitally. It contains the patients' medical data such as medical history, diagnoses, medication, treatment plans, allergies, and much more medical-related information. However, medical data stored through this method is often centralized and is vulnerable to attacks. Hence its integrity and various aspects such as lack of transparency are constantly questioned and criticized. The implementation of blockchain, a decentralized technology that is immutable and transparent by nature, is proposed to investigate an alternative solution to these problems. Furthermore, blockchain's inherent implementation of cryptography and its consensus mechanisms allow data to be stored in the blockchain network immutable and transparent. By utilizing such characteristics, medical data can be stored and accessed by the stakeholders without worrying about data tampering. At the same time, the mandatory encryption ensures access is only available to those who are authorized. This paper discusses how medical data can be stored inside the blockchain network to retain the transparency and integrity of medical data.
电子病历(Electronic Health Record, EHR)是数字化表示患者医疗信息最常用的方式之一。它包含患者的医疗数据,如病史、诊断、药物、治疗计划、过敏以及更多与医疗相关的信息。然而,通过这种方法存储的医疗数据往往是集中的,容易受到攻击。因此,它的完整性和缺乏透明度等各个方面不断受到质疑和批评。区块链是一种本质上不可变和透明的去中心化技术,旨在研究这些问题的替代解决方案。此外,区块链固有的密码学实现及其共识机制允许数据不可变且透明地存储在区块链网络中。通过利用这些特征,医疗数据可以被利益相关者存储和访问,而不必担心数据被篡改。同时,强制加密确保只有获得授权的人才能访问。本文讨论了如何在区块链网络中存储医疗数据,以保持医疗数据的透明度和完整性。
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引用次数: 2
Sentimental Analysis, Technology and Application 情感分析、技术与应用
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9668151
Shagun Garg, Prakharima Singh, Neha Singh
Sentiment analysis, is often called opinion mining. It is the process of studying people's feelings or opinions based on text data. Sentiment analysis plays an important role in the research area of text mining. It identifies the sentiment or opinion of each person with respect to specific events. For this process, we need to pass a document or text which can be analysed and generates a system or model which represents a summarized form of opinion of a given document. Sentiment analysis is useful for review of movies, products, customer services, opinion about any event etc. This helps us to make decisions regarding a specific item or service, whether it is bad or good or preferred or not preferred. It can be useful in order to identify the opinion of an individual or about any event or person and also finds polarity of text whether positive, negative or neutral. In this, we have discussed the various methods and techniques of sentimental analysis and the areas which are using this technique based on some specific data.
情感分析,通常被称为意见挖掘。它是基于文本数据研究人们的感受或观点的过程。情感分析在文本挖掘研究中占有重要地位。它确定了每个人对特定事件的情绪或意见。对于这个过程,我们需要传递一个可以分析的文档或文本,并生成一个系统或模型,该系统或模型代表给定文档的意见的总结形式。情感分析在评价电影、产品、客户服务、对任何事件的看法等方面都很有用。这有助于我们对特定的物品或服务做出决定,无论它是好是坏,是首选还是不首选。它可以用于识别个人或对任何事件或人的意见,也可以发现文本的极性,无论是积极的,消极的还是中性的。在此,我们根据一些具体的数据,讨论了情感分析的各种方法和技术,以及使用这种技术的领域。
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引用次数: 0
Assessing PM2.5 in Bahrain From the DPSIR Framework Perspective 从DPSIR框架角度评估巴林PM2.5
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9667958
H. Abbas, Sara Ghanem, A. Abahussain
Air pollution has been identified as one of the top priorities in every region around the globe. Particulate matter is the most important pollutant from a global public health perspective. Bahrain was ranked the 7th most polluted country in the world and the first in the Middle East with an annual average of PM2.5 much higher than the WHO recommended guidelines. The procedure included the use of previous relevant studies related to Bahrain. Integrated Environmental Assessment is performed for the PM2.5 in Bahrain by applying the Drivers, Pressures, State, Impact and Responses (DPSIR) framework. PM2.5 levels in Bahrain are exceeding its own national standards for a significant amount of time; this is primarily reflected on human health and the elevated prevalence of Non-Communicable Diseases (NCDs). Results revealed that drivers include population growth, economic development, urbanization and climate change, while the pressure is the emission of PM2.5 due to anthropogenic factors such as industry, energy production and land reclamation, as well as transboundary dust as a natural factor. Bahrain has taken various measures to minimize air pollution including the issuance of legislations and establishing the air quality monitoring program. Some measures were found to be less effective, for which improvements and more strict actions are required.
空气污染已被确定为全球每个地区的首要任务之一。从全球公共卫生的角度来看,颗粒物是最重要的污染物。巴林是世界上污染最严重的第7个国家,也是中东地区污染最严重的第1个国家,PM2.5的年平均值远远高于世界卫生组织建议的指导方针。该程序包括使用先前与巴林有关的研究报告。通过应用驱动因素、压力、状态、影响和响应(DPSIR)框架,对巴林的PM2.5进行了综合环境评估。巴林的PM2.5水平在很长一段时间内都超过了自己的国家标准;这主要反映在人类健康和非传染性疾病发病率上升上。结果表明,驱动因素包括人口增长、经济发展、城市化和气候变化,而压力因素是工业、能源生产和土地开垦等人为因素造成的PM2.5排放,以及跨境扬尘作为自然因素。巴林采取了各种措施尽量减少空气污染,包括颁布立法和建立空气质量监测方案。有些措施的效果较差,需要加以改进并采取更严格的行动。
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引用次数: 1
Automated Monitoring For Construction Productivity Recognition 建筑生产力识别的自动监控
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9668172
K. Alzubi, W. Alaloul, Marsail Al Salaheen, A. H. Qureshi, M. A. Musarat, A. O. Baarimah
Comparing to other sectors, the construction sector suffers from low productivity, and it is not improving over time due to the unique nature of construction projects. It is believed that construction productivity cannot be improved without efficient monitoring and measuring, and this is crucial for project success. There are many limitations for the traditional construction productivity monitoring practices like time and cost consuming and error-prone. Although a lot of studies have been implemented to eliminate these limitations, a gap still exists in the automated monitoring of construction productivity. This study proposes an automated monitoring model for indoor productivity recognition in construction projects. The model will provide an instant evaluation of the project productivity which will enhance the optimum utilization of the project resources. The proposed model will be developed by first generating a baseline for the activities state which will be represented as baseline state model. Then the as-built model will be generated. Preliminary experimentation was performed on selected images where the number of tiles and bricks was obtained. The experimentation was performed using Open-Source Computer Vision Library (OpenCV). Preliminary results depict that by using the proposed model the automated monitoring of productivity is achievable. Although, there is a need of dedicated efforts for improvement and development of technique for more effective and efficient results.
与其他行业相比,建设行业的生产率较低,而且由于建设项目的特殊性,没有随着时间的推移而改善。施工效率的提高离不开有效的监测和测量,这对项目的成功至关重要。传统的施工效率监测方法存在着时间、成本高、易出错等诸多局限性。尽管已经进行了大量的研究来消除这些限制,但在施工生产率的自动化监测方面仍然存在差距。本研究提出一种用于建筑工程室内生产力识别的自动化监测模型。该模型将提供对项目生产力的即时评估,从而提高项目资源的最佳利用。建议的模型将通过首先为活动状态生成基线来开发,活动状态将被表示为基线状态模型。然后生成已构建模型。在选定的图像上进行初步实验,获得瓦片和砖块的数量。实验采用开源计算机视觉库(OpenCV)进行。初步结果表明,采用该模型可以实现对生产率的自动化监控。尽管如此,为了取得更有效和高效的结果,需要专门努力改进和发展技术。
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引用次数: 1
Integration of Building Information Modeling (BIM) and Value Engineering in Construction Projects: A Bibliometric Analysis 建筑信息模型(BIM)与价值工程在建筑项目中的整合:文献计量学分析
Pub Date : 2021-11-15 DOI: 10.1109/IEEECONF53624.2021.9668045
A. O. Baarimah, W. Alaloul, M. S. Liew, Al-Hussein M. H. Al-Aidrous, A. M. Alawag, M. A. Musarat
Due to a variety of issues and inefficiencies during the construction process, construction projects require a substantial amount of money and resources. Controlling the cost is a critical step in ensuring the success of project and increasing its value. Value Engineering (VE) has been gaining increasing attention from stakeholders in construction projects to reduce the overall costs. Building Information Modeling (BIM) may have a great potential to assist in VE from the early stage of project inception as a commonly accepted intelligent technology. Various studies have been undertaken on the integration of BIM and VE to make use of the advantages of this integration and control project cost and optimization. However, there has been no attempt of scientometric analysis to explore the holistic understanding of the current state of integration of BIM and VE research. The purpose of this research is to carry out a bibliometric analysis of the available BIM and VE literature and to provide a picture of the research status from 2007 to September 2021. There were 46 documents extracted from the database of Scopus. VOSviewer tool was used to visualize the literature contained through countries, scientific journals, and keywords. The outcomes showed that “Cost Engineering”, “Earned Value Management”, “Structural Design”, “Decision Making” and “Sustainable Development” were lately risen to prominence as mainstream topics associated with this field and piqued the curiosity of academics, which may represent future research possibilities as well. Furthermore, based on the most keywords frequently utilized, three important research domains linked with BIM and VE have been identified, including “Architectural Design”, “Project Management”, and “Budget Control”. Accordingly, the explanations related to research outcomes, recommendations for future studies have been provided on the integration of BIM and VE.
由于施工过程中的各种问题和效率低下,施工项目需要大量的资金和资源。控制成本是保证项目成功、提高项目价值的关键环节。在建设项目中,价值工程(VE)已越来越受到利益相关者的关注,以降低总成本。作为一种被普遍接受的智能技术,建筑信息模型(BIM)可能在项目开始的早期阶段就有很大的潜力来协助VE。BIM与VE的集成已经进行了各种研究,以利用这种集成的优势,控制项目成本和优化。然而,对于BIM与VE研究的整合现状,还没有科学计量分析的尝试。本研究的目的是对现有的BIM和VE文献进行文献计量学分析,并提供2007年至2021年9月的研究状况。从Scopus数据库中提取46篇文献。使用VOSviewer工具可视化通过国家、科学期刊和关键词所包含的文献。结果表明,“成本工程”、“挣值管理”、“结构设计”、“决策制定”和“可持续发展”最近成为与该领域相关的主流话题,引起了学术界的好奇心,这也可能代表未来的研究可能性。此外,根据使用频率最高的关键词,确定了与BIM和VE相关的三个重要研究领域,包括“建筑设计”,“项目管理”和“预算控制”。因此,对研究结果进行了解释,并就BIM与VE的整合提供了未来研究的建议。
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引用次数: 7
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2021 Third International Sustainability and Resilience Conference: Climate Change
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