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wyświetlamy 1000 najlepszych wyników Pomoc
Wyniki wyszukiwania dla: KM AND GREEN TRANSFORMATION
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Methods of the privatization process of Polish state-owned enterprises in years 1990‒2015
PublikacjaThis article presents methods of the privatization process of state-owned enterprises in Poland in the period of years 1990‒2015. The author presents the change of number of state-owned companies over the selected period as well as describes the main methods of ownership transformation used in Poland. First part presents the mechanism of commercialization. Second discusses the indirect privatization and contribution to NFI. Next,...
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The (over)touristification of European historic cities: a relation between urban heritage and short-term rental market demand
PublikacjaIn this chapter, I wish to highlight the critical relationship between heritage management issues and building environment transformation. I argue that such a relationship is directly expressed through the tourism phenomenon, and it should be measured through the economic dimension of the short-term rental market, which introduces this rule of thumb: if there is a lack of demand, the brand of the city is weak; if there is too much...
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Pomoszcz Ministerstwa Inostrannych del Polszy Armenji, Azerbejdzżany i Gruzji = Polish Development Assistance for Armenia, Azerbaijan and Georgia
PublikacjaGeorgia has been one of the priority areas of development assistance of Polish Ministry of Foreign Affairs from 2004, because it plays a important role in Polish forsign policy in the framework of the Eastern Partnership. The largest amounts of development aid supporting the transformation were allocated for this country. Since founding the Eastern Partnership initiative in 2009 also Azerbaijan and Armenia have been included to...
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Maszyny Hydrotechniczne Kanału Elblaskiego cz. 2.
PublikacjaPierwszy projekt kanału z 1827 roku, autorstwa Tajnego Radcy Budowlanego Severina z Kwidzyna, zakładał wyrównanie poziomów luster wody w jeziorach. Jezioro Jeziorak, koło Iławy, było największym jeziorem regionu, liczyło ponad 30 km długości, zatem uznano, że jego poziom wody będzie bazowym dla pozostałych jezior. Uznano również, że Miejscowość Miłomłyn, będzie głównym węzłem komunikacyjnym na kanale, stąd bowiem będą rozchodziły...
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Uwarunkowania i dylematy polityki regionalnej na obszarze peryferyjnym województwa pomorskiego
PublikacjaIstnieją duże różnice w poziomie rozwoju między obszarami metropolitalnymi a obszarami poza nimi, czyli peryferyjnymi. Różnice te dotyczą również czynników i szans rozwoju. Autor ocenia czynniki rozwojowe w powiatach na obszarze peryferyjnym województwa pomor-skiego. Analizuje też uwarunkowania przestrzenne rozwoju obszaru. Za ważne uwarunkowa-nie uznaje dystans 30 km jako akceptowalny dla dojazdów do pracy. Wynika z niego, że...
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Białowieża primeval forest as an example of transfrontier co-operation between Poland and Bielarus
PublikacjaThe Polish Ministry of Foreign Affairs is completing their work on the agreement on local border traffic (May 2009.) At the final stage of the works, the list of the towns and villages situated within the area covered by the so-called "local traffic" on both the Polish and the Belarusian sides of the border is being verified. The "border belt" area, whose residents will be able to move between the bordering countries under the...
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OBSERWACJE JAKO PODSTAWOWE NARZĘDZIE W DIAGNOSTYCE SZYN KOLEJOWYCH
PublikacjaRosnąca liczba wykrywanych wad kontaktowo – zmęczeniowych stawia przed diagnostami nowe wyzwania. Przede wszystkim konieczne jest opracowanie nowych kryteriów oceny trwałości (przydatności) eksploatacyjnej szyn. Należy odejść od uśredniania liczby pęknięć szyn na 1 km toru. Wady w szynach powinny być analizowane w poszczególnych kilometrach linii i tokach szynowych. Bez tego nie będzie możliwe zidentyfikowanie i skwantyfikowanie...
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Beta-galactosidase activity of Meiothermus ruber cells
PublikacjaFreeze-dried cells of Meiothermus ruber catalyses cleavage of o-nitrophenyl-b-D-galactopiranoside (oNPb-gal) and conversion of lactose into glucose and galactose. The permeabilization with 2%toluene,20%ethanol and 20%acetone increased enzymatic activity from 74.87 U/g of lyophilized cells up to 129.44,114.38 and 90.19 U/g,respectively. Ethanol was an effective permeabilizing agent and its efficiency was dependent on the concentration,...
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Modelling Coarse Particulate Matter PM10 Concentration in the Tricity Area Using GIS
PublikacjaEnvironmental pollution is an issue of global concern, with Particulate Matter (PM) poisoning being a prime cause of lung cancer. This has led the European Commission to establish strict daily and annual PM concentration limits. The monitoring of air quality in major cities is the responsibility of European Member States. The Tricity, a 414.81 km 2 area in northern Poland, is monitored by a network of only 9 stations operated by...
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Properties of recombinant trehalose synthase from Deinococcus radiodurans expressed in Escherichia coli
PublikacjaA trehalose synthase gene from Deinococcus radiodurans(DSMZ 20539)containing 1659 bp reading frame encoding 552 amino acids was amplified using PCR. The gene was finally ligated into pET30Ek/LIC vector and expressed after isopropyl β-d-thiogalactopyranoside induction in Escherichia coli (DE3) Rosetta pLysS. The recombinanttrehalose synthase (DraTreS) containing a His6-tag at the C-terminus was purified by metal affinity chromatography...
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Valence and ionic lowest-lying electronic states of ethyl formate as studied by high-resolution vacuum ultraviolet photoabsorption, He(I) photoelectron spectroscopy, and ab initio calculations
PublikacjaThe highest resolution vacuum ultraviolet photoabsorption spectrum of ethyl formate, C2H5OCHO, yet reported is presented over the wavelength range 115.0–275.5 nm (10.75–4.5 eV) revealing several new spectral features. Valence and Rydberg transitions and their associated vibronic series, observed in the photoabsorption spectrum, have been assigned in accordance with new ab initio calculations of the vertical excitation energies...
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The lemniscate knowledge flow model
PublikacjaKnowledge is seen as one of the main resources for organizations providing knowledge-intensive services. Therefore, sharing and reusing are the main goals of modern knowledge management (KM) approach, driven by information and communication technologies (ICT). However, one can ask for the details in order to provide means and tools to design and deploy environment able to fulfil these two goals. We observed that occurred interactions...
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Valence and lowest Rydberg electronic states of phenol investigated by synchrotron radiation and theoretical methods
PublikacjaWe present the experimental high-resolution vacuum ultraviolet (VUV) photoabsorption spectra of phenol covering for the first time the full 4.3–10.8 eV energy-range, with absolute cross sections determined. Theoretical calculations on the vertical excitation energies and oscillator strengths were performed using time-dependent density functional theory and the equation-of-motion coupled cluster method restricted to single and double...
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SEM examination of surface layer of C45 steel after grinding on defferent depth
Dane BadawczeFerrite examination for the medium carbon structural steel with low content of Mn, Si, Cu, Cr and Ni after its grinding to a depth of 2 µm, 8 µm, 14 µm and 20 µm, at constant wheel circumferential speed of vs = 25 m/s and constant feed rate vft = 1 m/min. It was shown that the grinding of C45 steel causes strong work hardening of ferrite in surface...
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Iron(III)-selective materials based on a catechol-bearing amide for optical sensing
PublikacjaThe synthesis and ion-binding properties of a new amide L derived from 3,4-dihydroxybenzoic acid are described. Due to the presence of a catechol unit, the compound interacts selectively with iron(III) in organic solvent (dimethyl sulfoxide, DMSO) to produce a color change from pale yellow to green. The incorporation of the ligand L into polymeric matrices or its encapsulation into surfactant-based spheres enables analyte detection...
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Methods of ZnO nanoparticles synthesis
PublikacjaZinc oxide nanostructures are interesting nanomaterials with a wide range of applications. Since the physical and chemical properties of ZnO nanoparticles are influenced both by their shape and size, a control of morphology of ZnO structures is needed for their commercial usage. Different chemical, physical, and biological methods used to produce ZnO nanostructures can be found in the literature. The production of ZnO nanoparticles...
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Two-dimensional hydrogen-like atom in a weak magnetic field
PublikacjaWe consider a non-relativistic two-dimensional (2D) hydrogen-like atom in a weak, static, uniform magnetic field perpendicular to the atomic plane. Within the framework of the Rayleigh-Schr¨odinger perturbation theory, using the Sturmian expansion of the generalized radial Coulomb Green function, we derive explicit analytical expressions for corrections to an arbitrary planar hydrogenic bound-state energy level, up to the fourth...
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Economic benefits of dynamic charging of electric buses
PublikacjaDiesel engines buses are still the most used type of buses. Electric buses provide promising green alternatives and a lot of advantages, but their main disadvantages are limited travel range and long charging time. This article is a presentation of innovative solution for charging of electric busses - Dynamic Charging (IMC). The modern IMC system in Solingen was presented. At the end of the article, a proposal was made to introduce...
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Społeczny wymiar adaptacji do zmian klimatu w środowisku miejskim na przykładzie Gdańska
PublikacjaKwestie zmian klimatycznych przestały być przedmiotem zainteresowania jedynie wąskich grup specjalistów, a stały się problemem społecznym angażującym szerszą opinię publiczną. Wobec wzrastającego znaczenia problemów środowiskowych w społeczeństwach, głównie na przełomie XX i XXI wieku, władze centralne we współpracy z samorządami miejskimi zaczęły podejmować działania na rzecz wsparcia tzw. środowiskowej (zielonej) polityki. Artykuł...
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METHODOLOGICAL IDENTIFICATION OF OPPORTUNITIES FOR DEVELOPMENT OF SMART SPECIALISATION IN POMERANIAN VOIVODESHIP IN POLAND
PublikacjaThe subject of the presented research was projects co financed with European Union funds realised in years 2007–2013 in small towns of Pomeranian Voivodship. Projects which were included belong to 3 programmes: Innovative Economy Programme, Infrastructure and Environment Programme and Regional Operational Programme. The aim of the researches was study of the structure of projects according to its kind and town division. The other...
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Mobile satellite measurements on the Pomeranian Metropolitan Railway
PublikacjaThis paper presents the process of organization and execution of the mobile satellite measurements conducted on the tracks of the Pomeranian Metropolitan Railway before officially entry the line into operation. These measurements allowed for the accurate identification of the actual geometric shape of the line. In the paper the issues of both design and construction phase of this railway line has been described. Moreover, the geodetic...
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Validation of dynamic electrochemical impedance spectrograms using autocorrelation function
PublikacjaValidation of impedance data is essential for checking the reliability of experimental data. Kramers – Kronig transformation is used to verify data obtained from classical Electrochemical Impedance Spectroscopy (EIS) measurements. Data obtained from Dynamic Electrochemical Impedance Spectroscopy (DEIS) could be validated in the same way, but in this case, there is no information about internal consistency between every single spectrum...
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The luminescence study of (C10H16N)2MnBr4 Organic–Inorganic Hybrid
Dane BadawczeOrganic–inorganic hybrid metal halides have recently attracted attention in the global research field for their bright light emission, tunable photoluminescence wavelength, and convenient synthesis method. This study reports the detailed properties of (C10H16N)2MnBr4, which emits bright green light with a high photoluminescence quantum yield. Results...
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PULSE and ECG measurement from the hand with first elbow rests on the armrest, second elbow in the air - Man 29 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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PULSE and ECG measurement from the hand with first elbow rests on the armrest, second elbow in the air - Second Man 29 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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PULSE and ECG measurement from the hand with first elbow rests on the armrest, second elbow in the air - Woman 27 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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PULSE and ECG measurement from the hand with first elbow rests on the armrest, second elbow in the air - Woman 28 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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Thermodynamic analysis of the Compressed Air Energy Storage system coupled with the Underground Thermal Energy Storage
PublikacjaImprovement of flexibility is one of the key challenges for the transformation of the Polish Power System aiming at a high share of renewable energy in electricity generation. Flexible and dispatchable power plants will contribute to this ongoing transformation process as they compensate for fluctuations in electricity generation from renewable energy sources such as wind and photovoltaics. In this context, CAES storage tanks are...
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The innovative exploitation of Brassica vegetables in the production of quality food for health. From lab bench to field and fork.
PublikacjaThe specific chemical composition of vegetables belonging to Brassicaceace , as regard both nutrients and non-nutrients, renders them particularly suitable for the health food production chain. The ability of these plants to accumulate heavy metals may be utilised for phytoremediation of arable soils, but also as a vehicle to fortify foods in micronutriens such as selenium. The bioactive organosulfur compounds, especially glucosinolates...
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A Visual Method of Measuring Railway-Track Weed Infestation Level
PublikacjaThis paper concerns the assessment of railway track surface conditions in relation to the degree of weed infestation. The paper conceptually describes the proposed method using a visual system to analyse weed infestation level. The use of image analysis software for weed detection is also proposed. This new measurement method allows for a mobile assessment of the track’s weed infestation status. Validation of the assessment method...
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Multicriteria Decision Analysis and Grouping of Analytical Procedures for Phthalates Determination in Disposable Baby Diapers
PublikacjaThis study presents the application of one of the tools from the multicriteria decision analysis set (MCDA), the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). Selected green analytical chemistry metrics were used to rank analytical procedures for the phthalate determination in disposable baby diapers. Nine analytical procedures were assessed in order to find one that has the lowest environmental impact...
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Band engineering of BiOBr based materials for photocatalytic wastewater treatment via advanced oxidation processes (AOPs) – A review
PublikacjaSemiconductor based photocatalysts have been an efficient technology for water and wastewater remediation, addressing the concepts of green chemistry and sustainable development. Owing to narrow and suitable band structure, BiOBr is a promising candidate for efficient wastewater treatment via photocatalysis. Enhancement of photocatalytic properties can be obtained by various techniques like doping, element rich strategy, facet...
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Technological solutions for boosting hydrogen role in decarbonization strategies and net-zero goals of world shipping: Challenges and perspectives
PublikacjaFacing the problems concerning greenhouse gas (GHG) emissions from international ocean shipping has meant that the latest regulations of the International Maritime Organization, issued on 1st January 2023, have come into force, with the aim of reducing GHG emissions from maritime activities. Hydrogen has been suggested as an alternative fuel to achieve decarbonization ambitions in the near future. Although hydrogen has been investigated...
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Greencoin: a Proenvironmental Action-Reward System
PublikacjaThe massive destruction of the natural environment is rapidly eroding the world’s capacity to provide food and water, threatening the security of billions of people. In order to facilitate green lifestyles – understood in terms of both pro-environmental behaviors and green self-image on the one hand, and to build sustainable local and global communities, on the other, we put forward an idea of a novel action-reward system based...
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ASPEKTY DECYDUJĄCE O ODPOWIEDZI DYNAMICZNEJ KOLEJOWEGO MOSTU ŁUKOWEGO NA PODSTAWIE REZULTATÓW WIELOKRYTERIALNEJ ANALIZY OPTYMALIZACYJNEJ
PublikacjaW artykule podjęto problem optymalizacji jednotorowego stalowego mostu łukowego o rozpiętości 70 metrów. Zastosowano optymalizację wielokryterialną, której funkcjami celu były masa konstrukcji oraz maksymalne przyspieszenia podczas dynamicznego przejazdu taboru dużych prędkości. Zastosowano wielokryterialną wersję algorytmu optymalizacji roju cząstek. Przeprowadzono dziewięć wariantów optymalizacji, różnicując układ wieszaków:...
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Application of Least Squares with Conditional Equations Method for Railway Track Inventory Using GNSS Observations
PublikacjaSatellite geodetic networks are commonly used in surveying tasks, but they can also be used in mobile surveys. Mobile satellite surveys can be used for trackage inventory, diagnostics and design. The combination of modern technological solutions with the adaptation of research methods known in other fields of science offers an opportunity to acquire highly accurate solutions for railway track inventory. This article presents the...
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Sławomir Jerzy Ambroziak dr hab. inż.
OsobySławomir J. Ambroziak urodził się w 1982 r. Uzyskał tytuł zawodowy magistra inżyniera w zakresie systemów i usług radiokomunikacyjnych w roku 2008, w 2013 r. uzyskał stopień doktora nauk technicznych w dyscyplinie telekomunikacja, w specjalności radiokomunikacja, natomiast w 2020 r. uzyskał stopień doktora habilitowanego. Od 2008 r. jest pracownikiem Katedry Systemów i Sieci Radiokomunikacyjnych na Wydziale Elektroniki, Telekomunikacji...
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Improvement of Fingerprinting Method based on Hill Cipher by using Frequency Domain
PublikacjaThe main goal of this paper is to present the advantages of a digital fingerprinting in a frequency domain over a pixel domain, in case of VoD services (Video on Demand). The paper presents basic issues of a multimedia data protection by digital fingerprinting. It also describes threats to embedded fingerprints from both collusion attacks and from a transmission itself. Possible solution was presented on the example of the DCT...
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Mentor&Student Research Lab: new type of architectural and urban design workshops, new opportunities, valuable results
PublikacjaThe space around us has significantly changed during last years. Polish cities have undergone a major transformation following political, economical and social transition [8]. Similar change is noticeable at universities and their educational programmes for architecture and spatial planning students. Nowadays designers and activists tackle completely different problems and have different opportunities than their older colleagues...
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A role of the heat and work uncompensatedtransformations in the balance of entropy and theturbomachinery efficiency
PublikacjaIn the paper we have presented a procedure of estimating a role of the uncompensated transformation of heat and work in ow of viscous and heat conducting uid. The procedure was introduced by Professor Romuald Puzyrewski and is essential in local, in time and space, balance of entropy. Furthermore this unique approach leads to redenition the eciency of uid-ow machinery in three-dimensional modeling using CFD (Computational Fluid...
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The Brain of the city
PublikacjaIn order to highlight the characteristics of the West End of Wrocław, we conducted a site analysis. Using the strengths of the site, we were able to create a unique concept of the district while minimizing the impacts of weaknesses by design. The purpose of redesigning the West End of Wrocław is to attract new people to the district through the transformation of an identity. Initially, we conducted a SWOT analysis to identify the...
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The Role of an Integrated Transport System in the Comprehensive, Polycentric Development of Gdańsk Bay Metropolitan Area
PublikacjaIn this paper the role of an integrated transport system and mobility in the development of Gdańsk Bay Metropolitan Area is discussed, with special emphasis on how it influences the development of comprehensive, polycentric urban structures. The paper consists of an analysis of how the changes, which occurred after the socio-economic transformation shaped the transport system, and as a consequence the spatial structure, of Gdańsk...
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Proposal of New Starch-Blends Composition Quickly Degradable in Marine Environment
PublikacjaThe aim of this paper was to obtain a quickly degradable in seawater polymer blend as an alternative proposal for classical polymer packaging. For preliminary studies: poly(lactic acid) (PLA), starch, calcium carbonate (CaCO3), gelatin and glycerol were chosen. PLA was pointed out due to its biodegradability and comparable properties to polyethylene or polypropylene. Whereas starch was chosen as abundant, renewable and cheap polymer...
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Początek Gdyńskiego Systemu Wodociągowego Rozbudowa układu wodociągowego na Kępie Oksywskiej w latach 1933 - 1939. Część III.
PublikacjaBudowa sieci osiedlowej na terenie „Nowego Oksywia”. Przyłączenie wodociągu Marynarki Wojennej do budowanego układu na Kępie Oksywskiej. Komplikacje przebiegu procesu budowy rurociągu do Babiego Dołu. Uzbrojenie terenu osiedla "Paged". Przekształcenie na terenie Oksywia struktury sieci rozgałęzieniowej w pierścieniową. Konsolidacja układu na Kępie Oksywskiej z wodociągiem grupowym Wielkiej Gdyni. Realizacja zarządzenia o przymusie...
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Bakhtiar Ali Samejo
OsobyMr. Bakhtiar Ali Samejo is currently working as doctoral researcher at Gdansk University of Technology. He is serving as a teacher. He has worked as QC officer at Herbion Naturals, Pakistan. Besides, he has worked as a research fellow at National Centre of Excellence in Analytical Chemistry, University of Sindh, Pakistan. He has more than 03 years’ experience in water research based projects. He does research in Chemistry, Green...
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Are deep eutectic solvents useful in chromatography? A short review
PublikacjaA literature update has been done concerning Deep Eutectic Solvents (DES) use in chromatography applications. The literature survey was based on the period from 2010 till 2020 and manuscripts reported in the data bases Web of Science and Scopus. The use of DES as mobile phase and mobile phase additives, stationary phases and solid phase modifiers and the use of DES as reaction solvents for chromatography use, were evaluated. Emphasis...
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Application of deep eutectic solvents (DES) in analytical chemistry
PublikacjaRecent years have been associated with efforts to reduce the impact on the natural environment. A greener approach has been introduced in various areas of science, including analytical chemistry. One of the basic procedures for preparing a sample for analysis is its extraction. Traditional methods involve the use of large amounts of organic compounds, often toxic, with an unfavorable impact on the environment. A representative...
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Europe 4.0 Digital Citizens Cyfrowi Obywatele Europy 4.0
ProjektyProjekt realizowany w Katedra Przedsiębiorczości zgodnie z porozumieniem 2023-1-PL01-KA220-ADU-000155541
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St. Adalberd church 3D point model
Dane BadawczeResearch data show the church of St. Adalbert in Gdansk, Poland. Two layers are presented in the .zip file: one represents the laser scanning result, the second represents the point cloud from 36 photogrammetry images from the UAV system. The aligned point clouds formed the basis to create the high-resolution 3D model. Reference data are laser scanning...
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The corrosion studies of 3,4,5-trihydroxybenzoic acid as an effective corrosion inhibitor of low alloy steel
Dane BadawczeThe dataset contains the electrochemical studies evaluating if gallic acid is a corrosion inhibitor for low alloy steel. Three measurements were carried out each case; corrosion potential (label ecorr), electrochemical impedance spectroscopy (label eis) and cyclic polarization (label cp). The measurements were carried out in sodium chloride, acidified...