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Wyniki wyszukiwania dla: environmental management
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Mass production of hierarchically porous carbon nanosheets by carbonizing “real-world” mixed waste plastics toward excellent-performance supercapacitors
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From polystyrene waste to porous carbon flake and potential application in supercapacitor
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TECHNOLOGICAL COOPERATION BETWEEN SCIENTIFIC AND RESEARCH INSTITUTIONS AND COMPANIES AS A CONDITION OF THE GROWTH OF INNOVATIVENESS AND COMPETITIVENESS OF POLISH ECONOMY
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Role patterns in IT projects teams - design of a selection module using fuzzy logic techniques
PublikacjaPresented paper introduces an approach based on usage of role patterns and modelling by the use of fuzzy logic tool for selection process with limitation to the area of IT projects environment. The article shows a concept of role patterns structures and their further usage in process of forming a fuzzy model dedicated to candidate assessment process support
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Implementation of Business Intelligence in an IT organization - the concept of an evaluation model
PublikacjaThis paper presents the issue of assessing the validity and effectiveness of implementing a Business Intelligence system in an IT Support Organization. This entity provides IT services to external clients involving, in particular, the storage and processing of large amounts of data. The vast amount of realized projects and also incidents reported in connection with those projects prevented effective decisions from being made without...
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Vegetable derived-oil facilitating carbon black migration from waste tire rubbers and its reinforcement effect
PublikacjaThree dimensional chemically cross-linked polymer networks present a great challenge for recycling and reutilization of waste tire rubber. In this work, the covalently cross-linked networks of ground tire rubber (GTR) were degraded heterogeneously under 150 °C due to the synergistic effects of the soybean oil and controlled oxidation. The degradation mechanism was discussed using Horikx theory and Fourier transformation infrared...
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Efficiency of landfill leachate treatment in a MBR/UF system combined with NF, with a special focus on phthalates and bisphenol A removal
PublikacjaIn this study, a pilot-scale membrane bioreactor (MBR) was operated at a municipal solid waste plant (MSWP) to treat a mixture of landfill leachates (LLs) obtained from modern (MP-LLs) and previous (PP-LLs) waste cells. The MBR unit combined anoxic and aerobic zones with external ultra- and nanofiltration (MBR/UF and MBR/UF/NF, respectively). In addition to the removal of macropollutants, special attention was given to phthalates...
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Progress in used tyres management in the european union: a review
PublikacjaThe dynamic increase in the manufacture of rubber products, particularly those used in the automobile industry, is responsible for a vast amount of wastes, mostly in the form of used tyres, of which more than 17 million tonnes are produced globally each year. The widely differing chemical compositions and the cross-linked structures of rubber in tyres are the prime reason why they are highly resistant to biodegradation, photochemical...
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Migration of trace elements and radioisotopes to various fractions of solid wastes generated as a result of the sewage sludge incineration process
PublikacjaThe research was aimed at providing new knowledge in the field of chemical characteristics of solid waste generated in the process of combustion of sewage sludge in fluidized bed furnaces. The research material consisted of disposed fluidized beds (DFB), sewage sludge ash (SSA) and air pollution control residues (APC) from three Polish installations for the thermal treatment of sewage sludge. Natural radionuclides as well as anthropogenic...
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Czynniki sukcesu w zarządzaniu inicjatywą klastrową na przykładzie inicjatywy Interizon
PublikacjaGłównym celem artykułu jest identyfikacja potencjalnych czynników sukcesu w inicjatywie klastrowej Interizon z uwzględnieniem czterech obszarów funkcjonowania inicjatywy: formalizacji i wewnętrznej organizacji, działań podejmowanych w ramach inicjatywy, strategii rozwoju oraz komunikacji i promocji. Przeanalizowane zostały również najważniejsze efekty wynikające z członkostwa w powyższej inicjatywie. Autorki przeprowadziły badania...
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A modern solid waste management strategy – the generation of new by-products
PublikacjaTo benefit the environment and society, EU legislation has introduced a ‘zero waste’ strategy, in which waste material should be converted to resources. Such legislation is supported by the solid waste hierarchy concept, which is a set of priorities in waste management. Under this concept, municipal solid waste plants (MSWPs) should be equipped with sorting and recycling facilities, composting/incineration units and landfill prisms...
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Strategiczne i operacyjne uwarunkowania wdrożeń innowacji w kontekście gospodarki sieciowej
PublikacjaInnowacyjność, relacje, współpraca i wiedza stanowią kluczowe czynniki determinujące przewagę konkurencyjną w gospodarce sie- ciowej [Tapscott 1999; Perechuda 2007; Mazurek 2012]. Celem artykułu jest wskazanie elementów wpływających na sukces procesu identyfikacji, a następnie wdrożenia nowych produktów na podstawie zidentyfikowanych powyżej determinant. Autorzy wskazują, iż nie każda innowacja jest źródłem wartości, podają definicję...
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More than just a beer – Brewers' spent grain, spent hops, and spent yeast as potential functional fillers for polymer composites
PublikacjaBeer is among the most popular beverages in the world, with the production distributed uniformly between the biggest continents, so the utilization of brewing by-products is essential on a global scale. Among their potential recipients, the plastics industry offers extensive range of potential products. Herein, the presented study investigated the application of currently underutilized solid brewing by-products (brewers' spent...
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Fate and significance of phthalates and bisphenol A in liquid by-products generated during municipal solid waste mechanical-biological pre-treatment and disposal
PublikacjaSamples of liquid by-products generated by municipal solid waste plants (MSWPs) were tested for the presence of phthalates (PAEs) and bisphenol A (BPA). The results indicated that the wastewater generated during mechanical (sorting unit - SU) and biological (composting unit - CU) pre-treatment (MBT) of residual (mixed) solid waste is a significant source of these compounds. The concentrations of PAEs (up to 32222 lg/L) and BPA...
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Potential applications of by-products from the coffee industry in polymer technology – Current state and perspectives
PublikacjaCoffee is one of the most popular beverages in the world, and its popularity is continuously growing, which can be expressed by almost doubling production over the last three decades. Cultivation, processing, roasting, and brewing coffee are known for many years. These processes generate significant amounts of by-products since coffee bean stands for around 50% of the coffee cherry. Therefore, considering the current pro-ecological...
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QUALITY GAPS IN HIGHER EDUCATION FROM THE PERSPECTIVE OF STUDENTS
PublikacjaThe presented research work relates to the category of quality in higher education. This article aims to present the determinants of the quality of education in the context of international standards. The background of the considerations is the Bologna Declaration and the European Higher Education Area. The results of the research carried out with the use of the nominal group method and the data analysis carried out based on the...
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Odnowa modelu biznesu
PublikacjaW artykule przedstawiono wyniki badań teoretycznych nad istotą odnowy strategicznej biznesu. Odnowę tę oparto na restauracji ciągu zarządzania strategicznego.
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Residents' Perception of Intangible Benefits and Costs Associated with Hosting Major Sporting Events
PublikacjaThe main purpose of this paper is to estimate on the basis of inhabitants’ perception the overall composite and aggregated scores of two major sporting events held in Ergo Arena hall, on the border of Gdańsk and Sopot, in northern Poland. The indirect aim is to identify the determinants affecting the monetary offers of the locals of the two cities. The research results unveil that major sporting events may determine the appearance...
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Waste tire rubber as low-cost and environmentally-friendly modifier in thermoset polymers – a review
PublikacjaNowadays, waste tire rubber (WTR) management is a growing and serious problem. Therefore, research works focused on the development of cost-effective and environmentally-friendly methods of WTR recycling are fully justified. Incorporation of WTR into polymer matrices and composite materials attracts much attention, because this approach allows sustainable development of industrially applicable waste tires recycling technologies....
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Digital Innovations and Smart Solutions for Society And Economy: Pros and Cons
PublikacjaRecent developments in artificial intelligence (AI) may involve significant potential threats to personal data privacy, national security, and social and economic stability. AI-based solutions are often promoted as “intelligent” or “smart” because they are autonomous in optimizing various processes. Be-cause they can modify their behavior without human supervision by analyzing data from the environ-ment, AI-based systems may be...
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Residents’ Perception of Intangible Benefits and Costs Associated with Hosting Major Sporting Events
PublikacjaThe main purpose of this paper is to estimate on the basis of inhabitants’ perception the overall composite and aggregated scores of two major sporting events held in Ergo Arena hall, on the border of Gdańsk and Sopot, in northern Poland. The indirect aim is to identify the determinants affecting the monetary offers of the locals of the two cities. The research results unveil that major sporting events may determine the appearance...
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The role of additives in improving the flammability and calorific value of leather shavings and the binding of chromium compounds in ash
PublikacjaLeather processing companies are struggling with the problem of increasing costs of post-production waste disposal. Therefore, the issue of thermal waste disposal at the plant and the use of generated heat in the production process is becoming more and more popular. Leather waste on its own does not allow for autothermal combustion despite the sufficient higher heating value (HHV). Therefore the Authors proposed to improve the...
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Impact of Urbanization on Stormwater Runoff from a Small Urban Catchment: Gdańsk Małomiejska Basin Case Study
PublikacjaThis paper deals with the impact of different forms of urbanization on the basin outflow. The influence of changes in land cover/use, drainage system development, reservoirs, and alternative ways of stormwater management (green roofs, permeable pavements) on basin runoff was presented in the case of a small urban basin in Gdańsk (Poland. Seven variants of area development (in the period of 2000-2012) – three historical and four...
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Phosphorus and nitrogen forms in liquid fraction of digestates from agricultural biogas plants
PublikacjaThe novelty of the presented research is the determination of the nitrogen and phosphorus fraction in the liquid fraction of digestate from agricultural biogas plants. This information is important because it can help in proposing possible further liquid fraction management or developing of new technologies for their purification. The research covered digestates from agricultural biogas plants, obtained from the fermentation of...
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Removal of BTEX Compounds From Waste Gases; Destruction and Recovery Techniques
PublikacjaThe tendency for BTEX compounds (benzene, toluene, ethylbenzene, xylenes) to spread into all compartments of the environment together with their influence on both ecosystem and human health means that the emission of thesecompounds into the air is becoming the matter of worldwide concern. The legal regulations introduced by the European Union governing the assessment and management of air quality obliges member states to systematically...
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MEASUREMENT OF EFFICIENCY OF DIDACTIC ACTIVITIES OF PUBLIC UNIVERSITIES OF TECHNOLOGY IN POLAND: DIRECTIONAL DISTANCE FUNCTION WITH UNDESIRABLE OUTPUT APPROACH
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Temporal pattern of wildlife-train collisions in Poland
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Familiness and Born Globals: Rapid Internationalisation among Polish Family Firms
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Organizational culture and coopetition: An exploratory study of the features, models and role in the Polish Aviation Industry
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Entrepreneurial Failure: A Synthesis and Conceptual Framework of its Effects
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SPIRITUALITY AND JOB SATISFACTION. MEDIATING ROLE OF STRESS, GRATITUDE TOWARDS ORGANIZATION AND TRUST IN SUPERVISOR. MODERATING ROLE OF RELIGIOUS PRACTICES
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Cultural dilemmas of international management
PublikacjaZarządzanie międzynarodowe polega na kierowaniu działalnością przedsiębiorstwa przekraczającą granice państw. Otoczenie międzynarodowe, zwłaszcza wymiar kulturowy odgrywa podstawową rolę w kształtowaniu efektywności umiędzynarodowionego podmiotu. Celem referatu jest przedstawienie problematyki zarządzania międzynarodowego w aspektach kulturowych. Pierwsza część pracy ukazuje obszary zarządzania międzynarodowego. Następnie krótko...
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Two-phase flow phenomena assessment in minichannels for compact heat exchangers using image analysis methods
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Design and thermodynamic and thermoeconomic analysis of an organic Rankine cycle for naval surface ship applications
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Drainage and capillary rise components in water balance of alluvial soils
PublikacjaPrzepływ wody przez dolny brzeg profilu glebowego stanowi ważny element wielu modeli pracy drenażu. Przeciekanie wody w głąb albo podsiąk kapilarny ku górze mierzone były metodą lizymetryczną w warunkach polowych podczas 4 lat (1972-1975). Podsiąk kapilarny wynosił 40-50% ogólnego zasilania w wodę w glebach typu Histosols, natomiast prawie zero w glebach typu Inceptisols. Pomierzone wartości pozwalaja na ocenę wymiany wody pomiedzy...
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Forecasting of currency exchange rates using artificial neural networks
PublikacjaW rozdziale tym autor przedstawił wyniki swoich badań nad wykorzystaniem sztucznych sieci neuronowych do prognozowania kursu walut (na przykładzie pary walutowej PLN-USD).Głównym celem badań było porównanie skuteczności przewidywania kursu złotówki w latach 1997 - 2005 przy pomocy różnych rodzajów sieci neuronowych.
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Catabolic response and phospholipid fatty acid profiles as microbial tools to assess soil functioning
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Modelling the impact of the agricultural holdings and land-use structure on the quality of inland and coastal waters with an innovative and interdisciplinary toolkit
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ICT for Global Competitiveness and Economic Growth in Emerging Economies: Economic, Cultural, and Social Innovations for Human Capital in Transition Economies
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Open Source in Development: Enabling Business and Services
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A new fuzzy model of multi-criteria decision support based on Bayesian networks for the urban areas' decarbonization planning
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In-situ FTIR study of reaction mechanism and chemical kinetics of a Xundian lignite during non-isothermal low temperature pyrolysis
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Optimization of a three-bed adsorption chiller by genetic algorithms and neural networks
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Iron filled carbon nanostructures from different precursors
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Comparative study on purity evaluation of singlewall carbon nanotubes
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“Project-factor-decision”. Decisive factors in IT projects and their impact on its success
PublikacjaThe aim of this article is to indicate the need for a deepening, systematizing and codifying of the theoretical and practical knowledge on IT project management, in the area of management decision-making processes. The scope of decisions made by managers is constantly on the increase. Project managers make decisions not only within the classic triangle of constraints, which consists of a schedule, a budget and the project scope,...
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Attitudes towards Collaboration in Multicultural Teams in the opinion of Polish and Chinese Students
PublikacjaThe main goal of this paper is to present results of research that addresses the issue of attitudes towards working in both multicultural and single culture teams among Polish and Chinese students. The relationship between those attitudes and factors that includes individual experiences of research participants as well as characteristics of team tasks was analyzed. The research was conducted with students of one Polish and one...
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Intercultural Challenges in Virtual Teams
Publikacja: Virtual teams are usually geographically dispersed and consist of members from different countries and cultures. They influences internal communication processes and can cause personal conflicts, misunderstandings or lack of trust. Intercultural diversity is also significant for goal setting and team effectiveness. The aim of this article is to check if virtual team members appreciate the cultural diversity or rather suffer from lack...
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Consumer social network brand identification and personal branding. How do social network users choose among brand sites?
PublikacjaBrands’ social networking sites (fan pages) are increasingly attracting the attention of scientists and managers intrigued by their potential application for brand value creation. The aim of this research is to understand better how users choose among social networking sites as an act of brand identification. The study presents a new model whose structure of identification drivers for social networking brand sites varies for customer...
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ENTERPRISE ACTIVITIES MODELING BY BPMN NOTATION
PublikacjaDepending on the process behavior, available know-how and organizational goals, different techniques and tools can be used for business process modeling. We concentrate on e-commerce, and try to find the best marketing strategy for the sales process improvement. In the paper we present the multilayer approach to define enterprise scenarios. This allows us to collect the suitable knowledge necessary for enterprise analysis and improvement....