6,460 research outputs found

    Research on developing port logistics in Fangcheng port

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    Research on the status quo and operational modes of Chinese petrochemical logistics

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    The research of benchmarking application in development of integrated logistics in Zhanjiang port

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    Strategic research on the construction of Tianjin Northern International Shipping Center

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    Dalian Port transformation development strategy research

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    Comparative analysis of Lianyungang port\u27s competitiveness based on calculation of principal component analysis

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    The international ocean transport industry in crisis : assessing the reasons and outlook

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    Until 1980, the world merchant fleet expanded rapidly in response to thriving seatrade markets. Since then, it has not grown much. The industry did not adjust effectively to periodic global recession, and the fleet's earnings deteriorated as the gap widened between the supply of tonnage and the demand for transport. The unpredictability of seatrade markets and the changing structure of demand for ocean transport complicated shipowners'efforts to retrench and draw up defensive strategies. Advances in ship design and ocean transport technologies allowed shipowners to adjust to the greater need for specialized vessels, but chose to retain their assets and their adoption was expensive. Most shipowners added a few new vessels after 1980, often supported by government subsidies. Government regulations created serious distortions in ocean transport and impeded free market adjustments. The most serious issues the industry faces are a critically overaged fleet and shortage of capital. Becauseof reduced freight earnings, maintenance has been neglected, leading to frequent structural failure. Ship casualties - often with serious envionmental damage - have reached alarming levels. The deteriorating safety record has caused insurance costs to escalate and has provoked calls for stricter liability rules, stringent technical standards, and rigorous inspection. Enforcement would make ocean transport more expensive. To meet expected demand for ocean transport safely and efficiently, a great deal of overaged tonnage must be replaced, maintenance must be improved, and new tonnage has to be added. The estimated cost: almost US$400 billion in constant 1992 prices. But traditional financing, through mortgage lending and government subsidy, is becoming scarce. Leasing or cashflow-based lending are promising alternatives, but they required predictable revenue streams based on long-term freight contracts predicated on cargo-owners'cooperation, which remains doubtful. No effective arrangements have been made to meet the industry's capital requirements, and doubts are more numerous than assurances in the industry. The crisis that has developed is unprecedented.Common Carriers Industry,Ports&Waterways,Transport and Trade Logistics,Water and Industry,Environmental Economics&Policies

    Gestion durable des ressources dans la chaîne de valeur européenne de l’acier

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    The present thesis delved into the current and future interactions within the European Steel Industry and of it with the environment it is a part of, with the main objective of supporting decision- and policy-making efforts oriented towards sustainability and circularity, helping to shape the future of steel in the European Community. The thesis used the European Steel Industry as a case study to explore the potential benefits of integrating Life Cycle Assessment (LCA) into System Dynamics (SD) under the scopes of Circular Economy and Industrial Ecology. A model representative of the European Steel Industry was built modularly in Stella Architect, following ILCD and ISO guidelines and standards for LCA. Throughout 4 of the 5 articles developed for the present thesis, 21 simulation runs were performed on the aforementioned model: 12 on identifying potential constraints and benefits of End-of-Life policies; 5 assessing the advantages and disadvantages of different Supply Chain Integration (SCI) strategies along European steel supply chains; and 4 addressing the interactions between biophysical and economic dynamics in the steel market. An additional article was developed using the methodologies of Circles of Sustainability and Sustainable Urban Metabolism to appraise the challenges and contributions of steel as part of servitization initiatives in urban environments. Overall results indicated that integrating LCA into SD was not only feasible and capable of reproducing results, trends and behaviors from previous scientific studies, but also of contributing to both methodologies in different levels. This approach has potential to interest policy-makers who seek more granularity within the European Steel Industry as well as decision-makers searching for a broader understanding of their operation’s dynamics beyond the gates, notably regarding raw material scarcity, resource self-sufficiency, and resource ownership retention. From the results of each article it was observed that, (a) pushing for recycling and reuse could generate interesting medium- to long-term results for circularity, transitioning away from fossil fuels and developing a whole new market around end-of-life services; (b) different SCI approaches can be environmentally and strategically promising; (c) six key biophysical variables can distinctively affect spot prices, future prices, EBITDA margins, capacity utilization, dividend payouts, and costs of steelmaking; and (d) servitization can provide significant benefits to sustainable cities, while also being able to substantially alter the supply-side dynamics of steelmaking, highlighting how important it is for steelmakers to pay close attention to the service-providing initiatives that may concern their clients and products.La présente thèse entend examiner les interactions présentes et futures entre l'industrie sidérurgique européenne et son environnement, avec pour objectifs principaux, l’amélioration de la prise de décision et l'élaboration de politiques industrielles en matière de durabilité et de circularité. La thèse contribue à l’émergence de propositions contribuant à façonner l'avenir de l'acier dans l’Union Européenne. L'industrie sidérurgique européenne est utilisée ici comme un cas d’école, visant à explorer les avantages potentiels pour l’économie circulaire et l’écologie industrielle, d’une intégration d’un outil (Analyse du Cycle de Vie – ACV) dans une méthodologie (Dynamique des Systèmes – SD). Un modèle modulaire pour l’industrie sidérurgique européenne a été construit et, pour 4 des 5 articles développés dans la thèse, 21 simulations ont été effectuées. 12 simulations ont permis d’identifier les contraintes potentielles et les avantages des stratégies de fin de vie; 5 d’évaluer les avantages et les inconvénients des différentes stratégies d’intégration de la chaîne d’approvisionnement (SCI) dans la filière européenne de l’acier; et 4 de traiter des interactions entre les dynamiques biophysiques et économiques sur le marché de l'acier. Le dernier article s’appuie sur une nouvelle méthodologie – les Cercles de Durabilité et le Métabolisme Urbain Durable – pour évaluer les défis et les contributions de l'acier dans le cadre de l’éco-fonctionnalité en milieu urbain. Les résultats ont montré que l’intégration de l’ACV dans les stratégies de développement durable permettait de reproduire assez fidèlement les résultats et les scénarios d’études scientifiques antérieures, tout en suggérant des apports méthodologiques relativement novateurs. Cette recherche opérationnelle est susceptible d'intéresser les managers et des chefs d’entreprises qui s’attachent aux questions d’efficience et de résilience de l’outil industriel, ainsi que les décideurs politiques qui souhaitent cerner les enjeux d’une pénurie de matières premières ou d’une politique de recyclage de l’acier à l’échelle européenne. D'après les résultats de chaque article, il a été observé que (a) le recyclage et la réutilisation pourraient générer des résultats intéressants à moyen et à long terme en matière de circularité, en abandonnant notamment les combustibles fossiles et en développant un tout nouveau marché autour des services de fin de vie; (b) différentes approches en matière de chaine logistique intégrée semblent être prometteuses d'un point de vue environnemental et stratégique; (c) six variables biophysiques clés peuvent avoir une incidence notoire sur les cours au comptant, les cours à terme, les marges d'EBITDA, l'utilisation des capacités de production, la distribution des dividendes et les coûts de fabrication de l'acier; et (d) la dynamique servicielle dans le cadre de l’éco-fonctionnalité peut apporter des avantages significatifs aux villes durables, tout en modifiant considérablement la structure de l’offre sur le marché de l’acier

    Shanghai port development factors of influence on Shanghai economic

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