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Life cycle assessment of glass/polyester laminates used in the shipbuilding industry and its fire behavior 船舶工业用玻璃/聚酯层压板的寿命周期评估及其防火性能
Q4 Economics, Econometrics and Finance Pub Date : 2023-09-14 DOI: 10.34659/eis.2023.85.2.529
Adriana Dowbysz, Bożena Kukfisz, Mariola Samsonowicz, Dorota Markowska, Piotr Jankowski
The aim of this study is to assess the environmental performance of the manufacturing process of glass/polyester laminates as well as estimate their fire behaviour and smoke release. The Life Cycle Assessment was conducted according to the ISO14040/44 standard by using the CML-IA 2000 Baseline Midpoint method. The cone calorimeter study was conducted using a cone calorimeter method according to ISO 5660. The tests were performed under 25 kW/m2 heat flux 50 kW/m2. The results showed that according to the requirements of the Fire Test Procedure (FTP) Code examined, laminates in this form cannot be used in some applications. The LCA study showed that the highest impact is attributed to marine aquatic ecotoxicity (88.3%), with the highest contribution of the unsaturated polyester resin and the glass fibre.
本研究的目的是评估玻璃/聚酯层压板制造过程的环境性能,以及评估其火灾行为和烟雾释放。生命周期评价依据ISO14040/44标准,采用CML-IA 2000基线中点法进行。锥形量热计的研究是根据ISO 5660使用锥形量热计方法进行的。试验在25 kW/m2热流密度为50 kW/m2的条件下进行。结果表明,根据防火测试程序(FTP)规范的要求,这种形式的层压板不能在某些应用中使用。LCA研究表明,海洋水生生态毒性影响最大(88.3%),其中不饱和聚酯树脂和玻璃纤维的贡献最大。
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引用次数: 0
Agricultural producers' knowledge of rational water management – case stage (Poland, EU) 农业生产者对合理水资源管理的知识——案例阶段(波兰,欧盟)
Q4 Economics, Econometrics and Finance Pub Date : 2023-09-14 DOI: 10.34659/eis.2023.85.2.553
Lidia Kłos
Water is considered the most critical resource for agricultural development worldwide. The increasing extreme weather phenomena require rational management of water resources in agriculture, which is the most vulnerable to the effects of climate change. The article is an attempt to take on the subject of agricultural producers’[1] awareness of selected aspects of rational water management in agricultural production. For this purpose, a pilot survey was used and carried out in selected poviats (counties) in the zachodniopomorskie (West Pomerian) Voivodeship, implemented as part of the “Support for the Creation of Local Water Partnerships” project (Support for the creation of LPW, SIR, 2020). [1] The article will use the term agricultural producer - farmer interchangeably.
水被认为是世界范围内农业发展最关键的资源。日益增加的极端天气现象要求对农业水资源进行合理管理,因为农业最容易受到气候变化的影响。本文试图探讨农业生产者[1]对农业生产中合理用水管理的若干方面的认识。为此,在zachodniopomorskie(西波美利亚)省选定的poviats(县)进行了一项试点调查,作为“支持创建地方水伙伴关系”项目(支持创建LPW, SIR, 2020)的一部分实施。[1]这篇文章将交替使用农业生产者和农民这两个术语。
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引用次数: 0
Education for sustainable development in Polish institutions of higher education – present and future 波兰高等教育机构的可持续发展教育-现在和未来
IF 0.4 Q4 Economics, Econometrics and Finance Pub Date : 2023-05-13 DOI: 10.34659/eis.2023.84.1.513
A. Lorek, E. Lorek, Wiesław Koczur
Education for sustainable development is still developing as a broad and comprehensive concept that includes related content on the environment, economy and society. Key issues of sustainable development include, among others, economic issues, production and consumption models, natural resource management, environmental protection, development models, poverty reduction, civic rights, democracy, governance etc. These issues are very diverse and require a holistic approach to teaching. The objective of this article is to diagnose and evaluate the current state of education for sustainable development in Polish higher education institutions, with particular emphasis on the EU in Katowice and to identify the directions of change. This article was written based on the Authors’ many years of scientific and teaching experience. It was also supported by a survey conducted in the year 2020/2021 among the students at the University of Economics in Katowice, which allowed them to identify directions for future educational activities.
可持续发展教育仍然是一个广泛而全面的概念,包括环境、经济和社会方面的相关内容。可持续发展的关键问题包括经济问题、生产和消费模式、自然资源管理、环境保护、发展模式、减贫、公民权利、民主、治理等。这些问题非常多样化,需要采取全面的教学方法。本文的目的是诊断和评估波兰高等教育机构的可持续发展教育现状,特别是卡托维兹的欧盟,并确定变革的方向。本文是根据作者多年的科研和教学经验撰写的。2020/2021年在卡托维兹经济大学的学生中进行的一项调查也支持了这一点,该调查使他们能够确定未来教育活动的方向。
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引用次数: 0
Wrocław public transport passengers’ satisfaction survey by means of CSI and IPA Wrocław公共交通乘客满意度调查(CSI与IPA)
IF 0.4 Q4 Economics, Econometrics and Finance Pub Date : 2023-05-13 DOI: 10.34659/eis.2023.84.1.527
I. Dziaduch
The purpose of this paper was to assess the level of satisfaction of passengers using public transport services in Wrocław and to identify the quality characteristics that the service provider needs to improve if it wants to increase the overall quality of its services. The passenger satisfaction survey was conducted according to the stages of the developed procedure outlined in the article. In pursuit of the stated goal, CSI and IPA were used. The main measurement tool used was a survey questionnaire. The survey was conducted on a sample of 500 respondents, which allows us to trust the results at 95%, assuming an “estimation error” of ± 5%. A total of 14 transport demands were selected to evaluate the level of satisfaction of passengers using services provided by MPK Wrocław. Statistical analysis of the data was carried out using Statistica 13.3 software and using functions and commands available in Microsoft Excel. The results obtained allowed us to conduct a detailed analysis related to the level of the services quality of the Wrocław’s public transport. These results should be used by urban transport organisers and operators to shape their transport offerings, primarily in terms of increasing the quality of transport services. This is very important since it is, among other things, the quality of public mass transport that determines the quality of life of residents, as well as the conditions for economic development of the transport network.
本文的目的是评估乘客在Wrocław使用公共交通服务的满意度水平,并确定服务提供商需要改进的质量特征,如果它想提高其服务的整体质量。乘客满意度调查是根据文章中概述的开发程序的阶段进行的。为了达到既定目标,我们使用了CSI和IPA。使用的主要测量工具是调查问卷。该调查以500名受访者为样本进行,假设“估计误差”为±5%,因此我们可以相信95%的结果。我们共选取了14项运输需求,以评估乘客使用MPK Wrocław所提供服务的满意度。数据的统计分析采用Statistica 13.3软件,使用Microsoft Excel中提供的函数和命令。获得的结果使我们能够对Wrocław的公共交通服务质量水平进行详细的分析。城市交通组织者和运营商应该利用这些结果来塑造他们的交通产品,主要是在提高交通服务质量方面。这是非常重要的,因为除其他事项外,公共交通的质量决定了居民的生活质量,以及交通网络经济发展的条件。
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引用次数: 0
What experiences do tourists seek in national parks? Analysis of TripAdvisor reviews 游客在国家公园寻求什么体验?TripAdvisor评论分析
IF 0.4 Q4 Economics, Econometrics and Finance Pub Date : 2023-05-13 DOI: 10.34659/eis.2023.84.1.538
M. Nowacki, A. Niezgoda
The article aims to analyse and compare experiences gained by tourists visiting three national parks in Poland. The authors focused on the following questions: What are people's experiences visiting national parks in Poland? Do the natural assets of the national parks affect visitors' unique experiences, or are environmentally valuable areas not crucial for their experiences? The authors used mixed quantitative (text mining, correspondence analysis) and qualitative (content analysis) methods. The data for analysis were opinions written by TripAdvisor users. Reviews on TripAdvisor indicate that the most important experiences for tourists in the National Parks studied were Nature appreciation and Physical activity. The other groups of experiences reflected in the reviews were: Aesthetic, Connection, Tension and Excitement. This confirms that nature is the most important feature of national parks for tourists, but it also indicates a trend to maintain good health and the desire to regenerate physical strength in areas of natural beauty.
本文旨在分析和比较游客参观波兰三个国家公园的经验。作者关注以下问题:人们参观波兰国家公园的经历是什么?国家公园的自然资产会影响游客的独特体验吗?还是有环境价值的区域对他们的体验不重要?作者采用了定量(文本挖掘、对应分析)和定性(内容分析)相结合的方法。用于分析的数据是TripAdvisor用户撰写的意见。TripAdvisor上的评论表明,在所研究的国家公园中,游客最重要的体验是欣赏自然和体育活动。评论中反映的其他几组经历是:审美、联系、紧张和兴奋。这证实了自然是国家公园对游客最重要的特征,但也表明了在自然美景区保持良好健康和恢复体力的趋势。
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引用次数: 0
The role of credit rating of the ESG debt instruments issuers ESG债务工具发行人信用评级的作用
IF 0.4 Q4 Economics, Econometrics and Finance Pub Date : 2023-05-13 DOI: 10.34659/eis.2023.84.1.515
Sylwia Frydrych
The aim of this article is to assess whether having a creditworthiness assessment from more than one credit rating agency by issuers of ESG debt instruments affects the number of issues and the average amount issued. The empirical research was carried out using the observation method and the analysis of source documents. In the analysed period, 53.38% of issuers received ratings at least from one CRAs as S&P, Moody’s, and Fitch. The results of the conducted research indicate that the number of ESG debt instruments and the average issue amount were affected by the number of ratings given to the issuer. A database collected from Refinitiv Eikon for the period between 2012 and 2021 allows us to conclude that it is enough to have two credit ratings. The conclusions of this study can be used in the process of obtaining financing for ESG projects.
本文的目的是评估ESG债务工具发行人接受一家以上信用评级机构的信用评估是否会影响发行数量和平均发行金额。采用观察法和文献分析法进行实证研究。在分析期间,53.38%的发行人获得了标普、穆迪和惠誉至少一个评级机构的评级。研究结果表明,ESG债务工具的数量和平均发行金额受到发行人评级数量的影响。从Refinitiv Eikon收集的2012年至2021年期间的数据库可以让我们得出结论,拥有两个信用评级就足够了。本研究的结论可用于ESG项目的融资过程。
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引用次数: 0
Forecasting the development of electricity from renewable energy sources in Poland against the background of the European Union countries 在欧盟国家的背景下,预测波兰可再生能源电力的发展
IF 0.4 Q4 Economics, Econometrics and Finance Pub Date : 2023-05-13 DOI: 10.34659/eis.2023.84.1.536
Marcin Stanuch, K. Firlej
One of the key elements in the development of countries is energy stability particularly related to ensuring, among other things, continuity of power supply. The European Commission is trying to protect the security of energy supply by introducing internal conditions regarding the share of RES in everyday life. The aim of this article is to forecast the share of RES in electricity production for all the EU member states. The study covers the years 1985-2021, the research is based on two models: the autoregressive (AR) model and the Holt-Winters model, whereas the prediction values were determined for the period 2022-2030. The prediction values showed that Denmark, as the only one of the community countries, may turn out to be self-sufficient in terms of electricity production from RES already at the turn of 2026-2027. In the case of Poland, there is a high probability that the projected RES share for 2030 will not be met. Potentially, for most EU countries, the energy produced from RES will satisfy at least 50% of electricity demand by 2030. A projection of the chances of meeting the commitments presented in the National Energy and Climate Plans regarding the share of renewable energy sources in electricity production in the EU member states in 2030 indicates that they will not be met in most EU economies.
各国发展的关键因素之一是能源稳定,特别是与确保电力供应的连续性有关。欧盟委员会为了保障能源供应的安全,引入了有关可再生能源在日常生活中所占比重的内部条件。本文的目的是预测可再生能源在所有欧盟成员国电力生产中的份额。该研究涵盖1985-2021年,研究基于两个模型:自回归(AR)模型和Holt-Winters模型,而预测值是在2022-2030年期间确定的。预测值显示,丹麦作为唯一一个社区国家,可能在2026-2027年之间就可再生能源发电实现自给自足。就波兰而言,很有可能无法实现2030年预计的可再生能源份额。对于大多数欧盟国家来说,到2030年,可再生能源生产的能源将至少满足50%的电力需求。对2030年欧盟成员国在国家能源和气候计划中关于可再生能源在电力生产中所占份额的承诺的实现机会的预测表明,大多数欧盟经济体将无法实现这些承诺。
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引用次数: 0
Determinants of climate security - an attempt at indicator analysis 气候安全的决定因素——指标分析的尝试
IF 0.4 Q4 Economics, Econometrics and Finance Pub Date : 2023-05-13 DOI: 10.34659/eis.2023.84.1.551
Paulina Szyja, D. Michalak
 The article addresses the issue of climate security, a topic not sufficiently explored in the literature. The article aims to fill the literature gap on explaining the link between climate change and security, defining the term climate security, and attempting to select indicators (based on a selection from those already existing) for diagnosing the level of climatic security. The research established a lack of studies clarifying the term climate security. Hence, the authors’ definition was adopted. In turn, a review of existing indicators indicated their limitations. Nevertheless, it allows us to verify whether there is a threat to climate security.
这篇文章讨论了气候安全问题,这是一个文献中没有充分探讨的话题。本文旨在填补文献空白,解释气候变化与安全之间的联系,定义气候安全一词,并试图选择指标(基于从已经存在的指标中选择)来诊断气候安全水平。该研究表明,缺乏阐明气候安全一词的研究。因此,采用了作者的定义。反过来,对现有指标的审查表明了它们的局限性。然而,它使我们能够验证是否存在对气候安全的威胁。
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引用次数: 0
Energy literacy in Czechia and its influence on citizens’ perception of energy consumption behaviour 捷克的能源素养及其对公民能源消费行为感知的影响
IF 0.4 Q4 Economics, Econometrics and Finance Pub Date : 2023-05-13 DOI: 10.34659/eis.2023.84.1.576
Roman Buchtele, E. Cudlinova, M. Lapka, Nikola Sagapova, M. Krásnická, J. Vávra, Z. Dvořáková Líšková
The analysis is based on a sample of 1015 citizens from Czechia. The cognitive energy literacy index (CELI), based on the knowledge of the energy mix in electricity production and the knowledge of the import/export of electricity in Czechia, is constructed in this article. The research aims to answer the following questions: What is the level of CELI within the population of Czechia? To what extent do the selected socio-demographic indicators affect the CELI? To what extent does CELI influence respondents' perceptions?The medium level of CELI is widespread across the population, while high and low levels of CELI are roughly equally shared. People with a high CELI are more likely to be older men with a university education. CELI also significantly affects the perception of behaviour on an individual, collective, and systemic level. Higher CELI is also associated with higher support for innovative solutions and renewable energy resources.
该分析基于捷克1015名公民的样本。认知能源素养指数(CELI)是基于电力生产中的能源结构知识和捷克电力进出口知识构建的。该研究旨在回答以下问题:捷克人口中CELI的水平是多少?选定的社会人口指标在多大程度上影响CELI?CELI在多大程度上影响了受访者的看法?中等水平的CELI在人群中普遍存在,而高水平和低水平的CELI大致相同。CELI高的人更可能是受过大学教育的老年男性。CELI还显著影响个人、集体和系统层面的行为感知。CELI越高,对创新解决方案和可再生能源的支持也越高。
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引用次数: 0
Relation of CO2 emission allowance prices and electricity prices in Poland in 2013-2020 2013-2020年波兰CO2排放配额价格与电价关系
IF 0.4 Q4 Economics, Econometrics and Finance Pub Date : 2023-05-13 DOI: 10.34659/eis.2023.84.1.573
Przemysław Bielecki
This paper investigates the relation between the prices of CO2 emission allowances in the EU ETS (Emission Trading System), and wholesale prices of electricity in Poland. Linear regression models were used to assess carbon price pass-through rate to wholesale electricity prices during the entire III phase of ETS (2013-20). It has been found out that the entire cost of CO2 emission allowances was included in wholesale electricity price. As expected, the peak transmission parameter is higher than the off-peak one. Nevertheless the difference is small, and statistically insignificant, hence the model does not allow for any far-reaching conclusions in this regard. Results show, that electricity producers were able to pass the entire emission related costs to the customers, which might rise a question whether EU ETS is an effective tool to give sufficient incentives to decarbonise electricity production.
本文研究了欧盟排放交易系统中的二氧化碳排放配额价格与波兰电力批发价格之间的关系。在ETS的整个第三阶段(2013-20年),使用线性回归模型来评估碳价格对批发电价的传递率。据了解,二氧化碳排放配额的全部成本已包含在批发电价中。正如预期的那样,峰值传输参数高于非峰值传输参数。然而,差异很小,在统计上也不重要,因此该模型不允许在这方面得出任何意义深远的结论。结果显示,电力生产商能够将所有与排放相关的成本转嫁给客户,这可能会引发一个问题,即欧盟ETS是否是一个有效的工具,可以为电力生产脱碳提供足够的激励。
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引用次数: 0
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Ekonomia i Srodowisko-Economics and Environment
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