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نتیجه جستجو - Disasters

تعداد مقالات یافته شده: 14
ردیف عنوان نوع
1 The economic impact of supply chain disruptions from the Great East-Japan earthquake
تأثیر اقتصادی اختلالات زنجیره تامین از زلزله بزرگ شرق-ژاپن-2017
The Great East-Japan Earthquake of March 11th, 2011 had a serious negative economic impact on the Japanese economy. The earthquake substantially reduced production not only in regions directly hit by the earthquake but also in other parts of Japan through supply chain disruptions. We examine the economic impact of the supply chain disruptions immediately following the earthquake using a unique interregional input-output table combining two different regional IO tables, the JIP database, and other regional statistics. To conduct our analysis, we modify the forward linkage methodology to take into account the bottleneck effect in the intermediate input of manufacturing production. Our estimates show that the production losses caused by the supply chain disruptions would amount to at least 0.35% of the country’s GDP. We also analyzed how establishing multiple supply chains would work to mitigate the damage of potential natural disasters in the future. However, as multiple supply chains may lose production efficiency at the firm level, we would require policies that provide incentives to firms that diversify supply chains.
Keywords: Earthquake | Forward linkage | Supply chain |Regional IO tables
مقاله انگلیسی
2 Supply chain design for efficient and effective blood supply in disasters
طراحی زنجیره تامین برای تامین خون کارآمد و موثر در حوادث-2017
The emergency supply of blood in natural and anthropogenic disasters has proved challenging. This article presents a stochastic bi-objective supply chain design model for the efficient (cost minimizing) and effective (delivery time minimizing) supply of blood in disasters. The blood supply network under investigation is comprised of blood donors, mobile blood facilities, local and regional blood centers and demand points. A hybrid solution approach, combining the ε-constraint and Lagrangian relaxation methods, is developed to solve the proposed model. Our numerical experiments and subsequent dis cussions focus on (1) investigating the utility of the proposed model in solving different size problems, (2) exploring possible tradeoffs between supply chain cost and delivery time, (3) identifying the areas along the supply chain where investments can be made to improve supply chain efficiency and effec tiveness and (4) performance benchmarking of the proposed stochastic programming approach.
Keywords: Humanitarian aid supply chain | Disaster relief operations| Blood supply | Supply chain design | Stochastic |ε-constraint method | Lagrangian relaxation method
مقاله انگلیسی
3 ادغام پاسخ های پیشگیرانه و اضطراری برای تقویت انعطاف پذیری شبکه برق
سال انتشار: 2017 - تعداد صفحات فایل pdf انگلیسی: 13 - تعداد صفحات فایل doc فارسی: 44
تقویت انعطاف پذیری سیستم های قدرت یکی از الزامات اصلی شبکه هوشمند است .در این مقاله، یک چارچوب پاسخ انعطاف پذیری یکپارچه ارائه شده است که نه تنها آگاهی موقعیتی را با ارتقای انعطاف-پذیری مرتبط می کند، بلکه پاسخ های مؤثر و کارآمد را در هر دو وضعیت پیشگیرانه و اضطراری فراهم می کند. هسته چارچوب پیشنهاد شده یک مدل بهینه سازی عددصحیح مختلط قوی دو مرحله ای است که فرمول ریاضی آن در این مقاله ارائه شده است .برای حل مدل فوق، یک الگوریتم مبتنی بر تجزیه تولید ستون و محدودیت تو در تو ارائه شده است، و تکنیک های بهبود کارآیی محاسبات پیشنهاد شده است. پاسخ پیشگیرانه در این مقاله توزیع مجدد ژنراتور و سوئچینگ توپولوژی را در نظر می گیرد، در حالی که پاسخ اضطراری شامل توزیع مجدد ژنراتور، سوئیچینگ توپولوژی و قطع بار است. چندین شبیه سازی عددی اثربخشی چارچوب پیشنهاد شده و کارآیی روش راه حل را اثبات می کنند. یافته های کلیدی عبارتند از: 1) از نظر افزایش انعطاف پذیری شبکه برق، پاسخ انعطاف پذیر یکپارچه به هر دوی پاسخ پیشگیرانه مستقل و پاسخ اضطراری مستقل ترجیح داده می شود. 2) انعطاف پذیری شبکه برق می تواند با استفاده از سوئیچینگ توپولوژی در پاسخ انعطاف پذیر یکپارچه افزایش یابد.
فهرست عبارات: خاموشی | پاسخ اضطراری | توزیع مجدد ژنراتور | پاسخ انعطاف پذیر یکپارچه | قطع بار | بلایای طبیعی | بهینه سازی | پاسخ پیشگیرانه | تعریف انعطاف پذیری | افزایش انعطاف پذیری | وضعیت انعطاف پذیری | بهینه سازی قوی | آگاهی موقعیتی | سوئیچینگ توپولوژی.
مقاله ترجمه شده
4 انقطاع های ساختاری در تقاضای گردشگری بین المللی: آیا بحران و فجایع باعث این انقطاع ها می شوند؟
سال انتشار: 2017 - تعداد صفحات فایل pdf انگلیسی: 7 - تعداد صفحات فایل doc فارسی: 24
تشخیص داده شده است که صنعت گردشگری دربرابر برخی شکل های بحران یا فاجعه، آسیب پذیر است. با این حال، علیرغم توجه معطوف شده به طبیعت و پیامدهای بحران ها و مصیبت های گردشگری، یک شکاف در منابع علمی مربوط به شناسایی عملی این حوادث وجود دارد. در این مقاله، ما هم تعداد و هم تاریخ انقطاع های ساختاری در تعداد گردشگران ورودی بین المللی را برای 25 کشور و جزیره مادیرا با استفاده از آزمایش انقطاع ساختاری بای و پرون (1998) تخمین می زنیم. ما مشاهده می کنیم که بحران ها و فاجعه های گردشگری تاحد زیادی با تاریخ های انقطاع ها سازگار هستند. بنابراین این روش به ما اجازه می دهد تا یک شکاف موجود در صنعت گردشگری را که مربوط به تخصیص صحیح شوک های منفی در تقاضای گردشگر ورودی بین المللی به بحران ها یا پدیده های فاجعه انگیز می باشد حل کنیم.
کلیدواژه ها: ورود گردشگران بین المللی | بحران های گردشگری | کاهش در تقاضای گردشگری | تغییرات ساختاری
مقاله ترجمه شده
5 Novel approach for manufacturing supply chain risk analysis using fuzzy supply inoperability input-output model
رویکرد جدید برای تجزیه و تحلیل ریسک زنجیره تامین با استفاده از مدل ورودی-خروجی غیر عملیاتی عرضه فازی-2017
Aside from becoming more complex and dynamic, manufacturing supply chains must be capable in adapting to disruptive events caused by natural and man-made disasters. Risk analysis is an aid in developing mitigation policies to achieve a resilient manufacturing supply chain. However, the uncertainty and vagueness of information along the supply chain pose a challenge to risk analysis. Previous approaches on the analysis of supply chain risks have been proposed but have drawbacks that may provide counterintuitive results. Thus, this study attempts to develop a methodological approach based on supply-driven input output analysis with fuzzy parameters in order to address supply chain risk analysis. The motivation behind the adoption of such approach lies in the strength of I-O analysis in addressing interdependent systems and its ability to address uncertainty of information shared among members. The proposed approach was applied to an herbal manufacturing supply chain to illustrate the methodology.
Keywords: supply chain| risk analysis| fuzzy set theory| input-output model| inoperability
مقاله انگلیسی
6 Strategic crisis management in tourism: An application of integrated risk management principles to the Croatian tourism industry
مدیریت بحران استراتژیک در گردشگری: استفاده از اصول مدیریت یکپارچه ریسک برای صنعت گردشگری کرواسی-2016
Strategic management of crises and disasters is considered a vital ingredient for managing sustainable tourism development. Contemporary tourism research has so far provided several conceptual articles and agendas for research regarding this important topic, with discussions particularly intensifying after the 9/11 events. Nowadays, this topic is more critical than ever, particularly after the beach massacre in Port El Kantaoui and the preceding terrorist attack at the Bardo National Museum in Tunisia in 2015. Since that time, with the steady rise of ISIS/ISIL, terrorism has, unfortunately, turned into a persisting threat on a global level. This regional spotlight portrays the application of integrated risk management (IRM) principles to the case of Croatian tourism as a means of thinking holistically about the exposure to risks in an economy that is heavily dependent on tourism. In particular, this study focuses on the risk assessment phase and develops an initial risk map to quantify and prioritize industry risks that may affect Croatian tourism on a season-to-season basis.
Keywords: Integrated risk management | Destination management | Risk assessment | Risk map
مقاله انگلیسی
7 A stochastic seaport network retrofit management problem considering shipping routing design
مسئله مدیریت مقاوم سازی شبکه بندر تصادفی با توجه به طراحی مسیریابی حمل و نقل-2016
Seaports are exposed to various uncertain disasters caused by natural or human factors, which have multi-dimensional impacts on the economy. Retrofit appears as one of the effective mitigation methods to protect the seaport network and to reduce the post-disaster loss in the port management engineering. The post-disaster loss is quantified by replacement or repair cost of the structural damage and travel delay loss of vessels. Therefore, given a set of seaports, this paper aims to provide solutions for which seaports should be retrofitted in order to minimize the damage loss due to unpredictable disasters. We first present a network representation of a seaport shipping network. Based on the network, a two-stage stochastic programming model is formulated with a sub-model of the shipping routing design. Benders decomposition method is then used to solve the mixed-integer non-linear problem. Finally, we apply the two-stage model to solve the retrofit problem of eight mainline seaports in China Mainland. The real- time case study shows that the proposed model is efficient to get good solutions.© 2015 Elsevier Ltd. All rights reserved.
Keywords: Seaport management | Stochastic programming | Network retrofit | Shipping routing design
مقاله انگلیسی
8 The last round in restructuring the city: Urban regeneration becomes a state policy of disaster prevention in Turkey
آخرین دور در تجدید ساختار شهرستان: بازسازی شهری یک سیاست دولتی از فاجعه در ترکیه پیشگیری می کند:-2016
In Turkey, urban regeneration mirrors a shift towards neoliberal urban policies based on economic strategy- making. The measures in the name of “regeneration for liveable cities” are rapidly transforming the appearance of inner-city areas with great revenue-generating potential. The boundaries of legitimization are described in areas where the process of depression is visible and the social acceptability of the residential population decreases, and at present are under the risk of disasters, mostly in squatter housing areas and dilapidated historical centers. Legal regulations have been reformulating this system since the 1980s so that applications can be supported effortlessly and facilitated through government assistance.This study discusses the final legal regulation, namely Law No. 6306, which is the Law on the Regeneration of Areas Under the Risk of Disasters. The study leans on the hypothesis that: This law has opened a new gateway for a fast and organized system of urban regeneration. Urban regeneration has gained a new momentum with the inclusion of risk identification in a country under the risk of earthquakes. The study methodology begins with a literature review concerning urban regeneration, development of urban regeneration in Turkey, and disaster risk. Second, legal regulations in favor of urban regeneration and Cabinet decisions on risk areas in Turkey are critically examined. Finally, areas that are designated to be under the risk of disasters in Ankara are analyzed based on earthquake risk identification, urban development, and urban policy strategies in favor of regeneration.The findings of the study substantiate the hypothesis. Regeneration is now increasing the resilience of societies to natural disasters. However, the development of the criteria of disaster risk as a reason for regeneration is not mature enough to be a part of a mitigation strategy and an integrated planning approach. While all risk areas are in deprived or squatter housing areas, risk assessment is not so difficult in terms of physical vulnerability. Economic and social vulnerabilities are out of the scope, and there is no regeneration perspective. Thus, the inter- ventions that are performed with this law produce the same results, that is, a single recipe of regeneration which is poorly integrated into a planned urban development strategy. Gentrification is still the unpronounced, yet expected, result.© 2015 Elsevier B.V. All rights reserved.1.
Urban regeneration | Disaster risk | Disaster prevention | Squatter housing | Turkey
مقاله انگلیسی
9 Disasters can happen to anybody: The case of Korea
بلایا می تواند برای هر کسی اتفاق افتد: مورد کره-2016
In Korea, there is a pervasive feeling of invincibility to the point that people and organizations do not believe that disasters can strike them. This has impact on the level of preparedness for disasters. This study aims to delve into how Korea has to change its governmental policies/practices with some private partners' efforts to mitigate disas- ter risks. A case study was utilized as the major methodology by comparing exclusive management with inclusive management. These two approaches have been comparatively analyzed via four variables, namely the central government, the local governments, the incident commander, and other stakeholders. The major finding is that Korea's practices and policies have to evolve from the current exclusive management into future-oriented inclusive management. Moreover, the importance of communication, cooperation, collaboration, and multi- discipline coordination is discussed. Additionally, the problem of reductionism and equal participation among all stakeholders, as well as the resistance from vested interests, are recognized and elaborated for Korea and the international community.© 2015 Elsevier Inc. All rights reserved.
Keywords: Disaster management | Case study | Exclusive management | Inclusive management | South Korea
مقاله انگلیسی
10 Towards multi-agency sensor information integration for disaster management
به سمت یکپارچه سازی اطلاعات حسگر چند سازمانی برای مدیریت بحران-2016
Having access to real-time spatial information is central to the functioning of disaster management, and in par- ticular disaster response. Existing spatially-enabled solutions for managing urban disasters provide limited sup- port for time-sensitivity and urgency underlying emergency situations. These approaches mainly suffer from low temporal resolution and inability to source a broad range of required disaster data, together with insufficient sup- port for automated operations. However, disaster management procedures, integrated with in situ sensing, promise an extensive range of real-time data and automated processes to acquire and manage disaster informa- tion. In this research, we study the process of integrating multi-agency in situ sensors for supporting disaster management. For this purpose, the research was adopted in Australia as the case study area in disaster manage- ment of a flood by emphasizing on the response phase. This paper first identifies the issues and existing require- ments in the process of multi-agency sensor information integration and then proposes a standard-based approach to overcoming these integration issues. Afterward, based on the presented approach and identified re- quirements, a GIS-based software IDDSS-Sensor is implemented to provide the functions of standard-based ac- cess, as well as on-the-fly harmonization, integration and usage of multi-agency sensor information. We evaluate the applicability of our developed approach by applying it to the use case of supporting flash flood evac- uation response.© 2015 Elsevier Ltd. All rights reserved.
Keywords: Multi-agency | Disaster management | Sensor information integration | In situ sensing | OGC Sensor Web Enablement | Sensor web services
مقاله انگلیسی
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