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Wyniki wyszukiwania dla: CLIMATE CHANGE MITIGATION
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Mitigation effect of face shield to reduce SARS-CoV-2 airborne transmission risk: Preliminary simulations based on computed tomography
PublikacjaWe aimed to develop a model to quantitatively assess the potential effectiveness of face shield (visor) in reducing airborne transmission risk of the novel coronavirus SARS-CoV-2 during the current COVID-19 pandemic using the computational fluid dynamics (CFD) method. The studies with and without face shield in both an infected and healthy person have been considered in indoor environment simulation. In addition to the influence...
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Mercury concentration in the sediments as a function of changing climate in coastal zone of Southern Baltic Sea – preliminary results
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The latest Jurassic–earliest Cretaceous climate and oceanographic changes in the Western Tethys: The Transdanubian Range (Hungary) perspective
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THE ECONOMIC EFFICIENCY OF GROWING SWEET POTATO (IPOMOEA BATATAS L. [LAM.]) IN POLISH SOIL AND CLIMATE CONDITIONS
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Impact of climate and humans on the range dynamics of the woolly mammoth (Mammuthus primigenius) in Europe during MIS 2
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Long-term operation of Kickuth-type constructed wetland applied to municipal wastewater treatment in temperate climate
PublikacjaThe purpose of this paper is to discuss the problem of changes of effectiveness of Kickuth-type constructed wetland with subsurface flow applied to domestic wastewater treatment. This study is based on an example of a wetland 3000 m2 in surface, serving 800 inhabitants, located in Poland. The results of chemical analysis showed that after an initial year of ‘start-up time’, the efficiency of pollutant removal gradually increased...
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Steady-state characteristics and dynamic response of the PEM fuel cell to unit step change of load
PublikacjaPodano opis układu zasilania opartego na dwóch ogniwach paliwowych typu PEM o łącznej mocy 2.4 kW. Zaprezentowano wybrane charakterystyki statyczne i dynamiczne układu.
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Possibilities and benefits of a new method of modifying conventional building materials with phase-change materials (PCMs)
PublikacjaThe paper presents a current study devoted to the optimization of the amount of PCM present within traditional building materials, utilized in this case in hollow-brick walls. Authors focus on proposing an alternative to typical direct addition of PCM to existing building materials: introducing two- and three-component mixtures, based on a porous PCM carrier, which in this case was construction aggregate. Preliminary studies of...
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Novel Interpolation Method of Multi-DFT-Bins for Frequency Estimation of Signal with Parameter Step Change
PublikacjaThe IpDFT(Interpolation Discrete Fourier Trans-form) method is one of the most commonly used non-parametric methods. However, when a parameter (frequency, amplitude or phase) step changes in the DFT period, the DFT coefficients will be distorted seriously, resulting in the large estimation error of the IpDFT method. Hence, it is a key challenge to find an IpDFT method, which not only can eliminate the effect of the step-changed...
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Computationally-efficient design optimisation of antennas by accelerated gradient search with sensitivity and design change monitoring
PublikacjaElectromagnetic (EM) simulation tools are of primary importance in the design of contemporary antennas. The necessity of accurate performance evaluation of complex structures is a reason why the final tuning of antenna dimensions, aimed at improvement of electrical and field characteristics, needs to be based on EM analysis. Design automation is highly desirable and can be achieved by coupling EM solvers with numerical optimisation...
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Is data management a new “digitisation”? A change of the role of librarians in the context of changing academic libraries’ tasks
PublikacjaAcademic libraries’ tasks have been evolving over the years. The changes have been stimulated by appearing of electronic resources, automated library systems, digital libraries and Open Access (OA) repositories. Librarians’ tasks and responsibilities in the academic environment have been evolving in accordance with new tasks they were expected to assume. A few years ago there was a discussion during which an attempt was made to...
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Journal of Earth Science & Climatic Change
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Europolity-Continuity and Change in European Governance
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Strategic Change-Briefings in Entrepreneurial Finance
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Journal of Organisational Transformation & Social Change
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International Journal of Innovation, Creativity and Change
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International Journal of Strategic Change Management
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Sustainable Urban Development on the Example of the Housing Deveopment of Zielona Góra (Poland), as a Response to the Climate Policy of the European Union
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Regional Environmental Change
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The Baltic Crusades and ecological transformation: The zooarchaeology of conquest and cultural change in the Eastern Baltic in the second millennium AD
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Probability estimation of the city’s energy efficiency improvement as a result of using the phase change materials in heating networks
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Thermal analysis of macro-encapsulated phase change material coupled with domestic gas heater for building heating
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The influence of montmorillonite content on change the physicochemical properties of lubricating greases produced from vegetable base oil
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Structural change of carbon supported Pt nanocatalyst subjected to a step-like potential cycling in PEM FC
PublikacjaIn this paper we present detailed X-ray absorption fine structure (XAFS), X-ray diffraction (XRD) and transmission electron microscopy (TEM) investigations of the changes in the local geometric and electronic structure of Pt nanoparticles used as a cathode catalyst in proton exchange membrane fuel cell (PEMFC), working under controlled potential cycling conditions.
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Analysis of the Resistance Change of Chemosensitive Layers to the Presence of Ammonia Vapors under Variable Conditions of Air Temperature and Humidity
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Effects of Complex Training on Jumping and Change of Direction Performance, and Post-Activation Performance Enhancement Response in Basketball Players
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Does GISSI-AF change the concept of using RAS inhibitors in the primary prevention of atrial fibrillation in hypertensive patients?
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Tattooed man: Could menstrual cycle phase and contraceptive use change female preferences towards bad boys?
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Thickness and structure change of titanium(IV) oxide thin films synthesized by the sol–gel spin coating method
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How Does In Vitro Digestion Change the Amount of Phenolics in Morus alba L. Leaf? Analysis of Preparations and Infusions
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Relationships between Linear Sprint, Lower-Body Power Output and Change of Direction Performance in Elite Soccer Players
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Structural Change in New Member States (1995–2005): Shift–Share Analysis of Productivity Growth and its Determinants
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No relationship between the digit ratios (2D:4D) and salivary testosterone change: Study on men under an acute exercise
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Evaluation of structural change during fast transformation process of cross-linked NR into liquid NR by light pyrolysis
PublikacjaThe presence of cross-linked networks in rubber creates a tremendous problem for recycling and reusing of waste rubber. Fast transformation of cross-linked natural rubber (NR) into liquid natural rubber was carried out by light pyrolysis in temperature range from 240 to 300 °C in variable time (in range: 1–30 min). The transformation efficiency was evaluated by measuring the sol fraction and the cross-link density of the gel fraction....
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Thickness and structure change of titanium (IV) oxide thin films synthesized by the sol–gel spin coating method
PublikacjaTitanium dioxide is a well-known material in nanotechnology, while it provides new opportunities due to its interesting properties, for example, as a semiconductor with a quite significant forbidden band gap energy of 3.2 eV. In this study, thin films of titanium dioxide (TiO2) were synthesized in amorphous and crystallographic systems using the sol–gel process. Atomic Force Microscopy (AFM), Raman spectroscopy and X-ray diffraction...
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Comparison of GPS tropospheric delays derived from two consecutive EPN reprocessing campaigns from the point of view of climate monitoring
PublikacjaThe main purpose of this research was to acquire information about consistency of ZTD (zenith total delay) linear trends and seasonal components between two consecutive GPS reprocessing campaigns. The analysis concerned two sets of the ZTD time series which were estimated during EUREF (Reference Frame Sub-Commission for Europe) EPN (Permanent Network) reprocessing campaigns according to 2008 and 2015 MUT AC (Military University...
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CLIMATE DYNAMICS
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Aquaponics Based Artificial Biosphere Included in Architecture: From Mitigation of Negative Impacts to Positive Added Values of Urban Spatial Structures on Local, Regional and Global Scale
PublikacjaTechnologies may appear faster than spatial planning can afford it. Alt hough applying new technologies solve particular problems, it may also create new ones. Many negative consequences of implementing new technologies are visible a fter years or decades – they accumulate until the need of solving them. According to The Hannover Principles (McDonough & Braungart 2013) one should, by example not think about...
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International Journal of Information Systems and Change Management
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International Journal of Knowledge, Culture and Change Management
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GLOBAL ENVIRONMENTAL CHANGE-HUMAN AND POLICY DIMENSIONS
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Krystian Zawadzki dr hab. inż.
OsobyKrystian Zawadzki jest pracownikiem Katedry Finansów na Wydziale Zarządzania i Ekonomii Politechniki Gdańskiej; członkiem Polskiej Akademii Olimpijskiej przy PKOl; koordynatorem Szkoły Giełdowej (GPW) w Gdańsku; kierownikiem studiów podyplomowych "Inwestycje kapitałowe i zarządzanie finansami osobistymi"; członkiem komisji rewizyjnej klubu sportowego "Sportowa Politechnika". Założyciel kanału o tematyce naukowo-finansowo-sportowej...
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Effects of Flywheel vs. Free-Weight Squats and Split Squats on Jumping Performance and Change of Direction Speed in Soccer Players
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Microstructure and nanomechanical properties of single stalks from diatom Didymosphenia geminata and their change due to adsorption of selected metal ions
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Trees as a Shading System for Streets on the East–West Axis: Computer Simulations for the Selected Geometrical Proportions of Building Developments in Humid Continental Climate
PublikacjaThe study is aimed at investigating the possibilities for solar protection provided to the street canyon located on the E–W axis and with the following profiles: shallow (height/width (H/W) = 0.2, 0.6, and 1) and deep (H/W = 2) by two rows of trees located at a distance of 3 m away from southern and northern façades. The research was based on numerical simulation analyses conducted in the Rhinoceros® program, with the application...
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Determination of Fe2+/Fe3+ mole ratio based on the change of precursor lattice parameters of wustite based iron catalysts for the ammonia synthesis
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Gut Microbiome—How Does Two-Month Consumption of Fiber-Enriched Rolls Change Microbiome in Patients Suffering from MASLD?
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Social change: from the Solidarity y tmovement too urban movements -– a Design Thinking approach in co-producing city of Gdansk
PublikacjaThis paper presents a model of bottom-up revitalization of Gdansk's urban quarter using Design Thinking approach as users needs oriented method co-producing of space. This project is introduced as a possible canva to elaborate the model of intervention for other spaces in need of similar intervention.
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Positive and negative feedback loops in nutrient phytoplankton interactions related to climate dynamics factors in a shallow temperate estuary (Vistula Lagoon, southern Baltic)
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Papers on Global Change IGBP
Czasopisma