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Conformation Properties, Chiroptical Spectra, and Molecular Self-Assembly of 2,3-Piperazinodiones and Their Dithiono Analogues
PublicationRodzina chiralnych cyklicznych oksamidów została otrzymana przez kondensację optycznie czynnych 1,2-diamin ze szczawianem dietylu. Tionowanie produktów odczynnikiem Lawessona doprowadziło do chiralnych 2,3-dipiperazynodionów. Geometrie cząsteczkowe badano z użyciem obliczeń kwantowo-mechanicznych DFT i porównano z wynikami analizy krystalograficznej. Sześcioczłonowy pierścień heterocykliczny przyjmuje konformację półkrzesłową,...
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Grupy banków w skoncentrowanym środowisku – analiza porównawcza grup dużych, średnich i małych banków w Macedonii i Chorwacji
PublicationCel - przedstawienie sytuacji w chorwackim i macedońskim sektorze bankowym odnośnie zmian będących skutkiem procesów konsolidacyjnych oraz analiza porównawcza zmian zachodzących w 3 grupach banków: dużych, średnich i małych w omawianych krajach Metoda badania – Wykorzystane metody badawcze obejmują studia literatury, głównie zagranicznej, oraz analizę danych finansowych oraz raportów Banku Centralnego w Chorwacji i Macedonii. Wyniki...
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Network-centric warfare: a strategy for homeland security
PublicationPojawienie się międzynarodowego terroryzmu skutkuje nowym podejście do identyfikacji potencjalnych zagrożeń dla bezpieczeństwa krajowego. Powstał strategiczny dylemat - jak zidentyfikować przeciwnika? Utworzono pojęcie asymetrycznego zagrożenia i, w konsekwencji, asymetrycznej wojny. Z dużym prawdopodobieństwem można założyć, że kolejne zagrożenia będą dotyczyć takich elementów krajowej infrastruktury, jak źródła energii, elektrownie,...
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Synthesis, spectroscopy and computational studies of some biologically important hydroxyhaloquinolines and their novel derivatives
PublicationA series crystalline compounds of methyl and phosphinyl derivatives of 2-methylquinolin-8-ol (1a) and related 5,7-dichloro-2-methylquinolin-8-ol (1b) were quantitatively prepared and characterized by microanalysis, IR, UV-vis and multinuclear NMR spectroscopy. Five of them have been characterized by single crystal X-ray diffraction method. The known compounds, 8-methoxy-2-methylquinoline (2a) and 8-methoxyquinoline (2d), were synthesised...
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Porównanie przemian termooksydatywnych zachodzących w wybranych olejach oliwkowych, oleinie palmowej i oleju rzepakowym podczas modelowego smażenia kawałków ziemniaków w głębokim tłuszczu
PublicationBadano przemiany zachodzące w tłuszczu podczas procesu "głębokiego smażenia" kawałków ziemniaków. Jako medium smażalnicze stosowano oleje: oliwkowe (pomace, sansa) oleinę palmową oraz rzepakowy. Określano zachodzące w nich zmiany takich wyróżników jak liczba kwasowa, liczba nadtlenkowa, anizydynowa, współczynnik ekstynkcji przy 232nm oraz zawartości frakcji polarnej, sumy dimerów i polimerów, współczynnik załamania światła oraz...
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Design of a Shape-Memory-Alloy-Based Carangiform Robotic Fishtail with Improved Forward Thrust
PublicationShape memory alloys (SMAs) have become the most common choice for the development of mini- and micro-type soft bio-inspired robots due to their high power-to-weight ratio, ability to be installed and operated in limited space, silent and vibration-free operation, biocompatibility, and corrosion resistance properties. Moreover, SMA spring-type actuators are used for developing different continuum robots, exhibiting high degrees...
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Badania wpływu odkształceń na optoelektroniczne parametry nanostruktur fosforenu z użyciem metod mechaniki kwantowej
ProjectsProject realized in Department of Metrology and Optoelectronics according to 0063/DIA/2019/48 agreement from 2019-09-18
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Introduction to cognitive science
e-Learning CoursesDuring the classes students will learn how the interdisciplinary project of the cognitive sciences was created and what are its basic paradigms. Fundamental problems within this field of inquiry will be discussed along with the most typical attempts at solving them.
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Recent breakthroughs in the stability testing of pharmaceutical compounds
PublicationPharmaceutical development is mostly focused on the research leading to approval of a new and viable active substance. However, there is a number of old generation compounds that are still being used in contemporary medicinal practice. So that new analytical developments should cover not only the safety of newly developed drug substances, which is obvious, but should also be directed into the search of individual stability issues...
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The Energy Potential of the Lower Vistula River in the Context of the Adaptation of Polish Inland Waterways to the Standards of Routes of International Importance
PublicationBased on new policies of the European Union, green technologies are to be mostly considered for power generation. Hydropower generation is one of the essential elements of sustainable energy production. Therefore, specific attention, both economically and technically, needs to be given to this sector of energy production. The Vistula River in Poland is considered an international waterway. The power production potential of the...
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Dopants and gas modifiers in ion mobility spectrometry
PublicationThe ion mobility techniques, including the most commonly used drift-tube ion mobility spectrometry (IMS) and differential mobility spectrometry (DMS), are used successfully for the detection of a wide range of organic compounds in the gas phase. In order to improve detection quality, admixtures are added to gas streams flowing through the detector. Dopants mostly prevent the ionization of interfering chemicals however, better detection...
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Structural and catalytic properties of ceria layers doped with transition metals for SOFCs fueled by biogas
PublicationThe aim of this paper was to investigate an influence of the nanocrystalline Ce0.8A0.2O2-δ (A = Mn, Fe, Co, Ni, Cu) materials on the direct internal reforming of biogas in SOFC. Structural analysis of fabricated compounds has been done. An in-situ analysis of a composition of outlet gases from operating SOFC was performed using FTIR spectroscopy with simultaneous electrical tests. It was found out, that type of dopant strongly...
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Factors influencing the selection of the ideal employer
Open Research DataThis dataset contains the results of research that were carried out by the Wrocław University of Science and Technology in March and April 2016, using an anonymous "on-line" questionnaire. 1,320 people took part in the study entitled "My ideal employer" - students and doctoral students of all faculties of the university (including those fields of study...
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Joanna Błasiok mgr
PeopleJoanna Błasiok is a senior librarian at the Gdańsk University of Technology Library in the Scientific and Technical Information Services. She graduated from the Library and Information Science at the University of Wroclaw - specialty: digital libraries. At the Gdansk University of Technology Library she is responsible for copyright in full text publications in the Repository Open Access, which is part of the MOST Wiedzy (Bridge...
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Conception of valuation of combustion engine operation
PublicationW artykule zaproponowano interpretację wartościującą działania, które jest przyrównane do wielkości fizycznej o jednostce miary zwanej dżulosekundą, podobnie jak przedstawione w mechanice klasycznej działania Hamiltona i Maupertiusa. Działanie w tym ujęciu rozpatrywane jest także w mechanice kwantowej, w odniesieniu do żródła promieniowania elektromagnetycznego ciała, którego działanie charakteryzuje stała Planca. Przedstawiono...
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Molecular structure and electrochemical properties of alkyldithiocarbamates.
PublicationZastosowano klasyczne metody elektroanalityczne do badania właściwości redoks ditiokarbaminianów litu w środowisku dimetylosulfotlenku. Użyto elektrody z platyny i węgla szklistego. Badane związki zsyntezowano z N,N'-dimetyloetylenodiaminy, do której podstawiono jedną lub dwie grupy ditiokarbonylowe na drodze reakcji z CS2 w środowisku alkalicznym. Stwierdzono, że elektrochemiczne utlenianie ditiokarbaminianów przebiega z udziałem...
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Otrzymywanie i charakterystyka TiO2 modyfikowanego nanocząstkami Au oraz Pd
PublicationDitlenek tytanu jest intensywnie badany od wielu lat, ze względu na jego właściwości fotokatalityczne, nietoksyczność oraz niski koszt. Ograniczeniem w zastosowaniu TiO2 jest jego niska wydajność kwantowa konwersji energii słonecznej, ze względu na szybką rekombinację nośników oraz konieczność zastosowania promieniowania UV. TiO2 absorbuje tylko 3-4% promieniowania słonecznego, ponieważ może być wzbudzony tylko promieniowaniem...
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Nieustalony przepływ w rurociągach pod ciśnieniem – eksperyment a teoria
PublicationUderzenie hydrauliczne w przewodach pod ciśnieniem to zjawisko gwałtownych zmian ciśnienia będących następstwem szybkich w czasie zmian prędkości. Przyczynami powstawania uderzenia hydraulicznego mogą być zarówno przypadkowe zdarzenia (np. przerwy w dostawie prądu do stacji pomp, awaria pomp), jak i niewłaściwe eksploatowanie instalacji (np. nieprawidłowe zamykanie lub otwieranie zaworów). Przeciwdziałanie skutkom tego zjawiska...
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Analysis of metals in air particles from Gdańsk and London with EDX/EDS detectors in electron microscope
PublicationElectron microscopy with energy dispersive X-ray spectrometry (EDX/EDS) is the example of non-destructive analytical method for surface elemental analysis, with a potential detection limit of 0.1-0.5 wt.% for most elements. A spatial resolution <10 nm can be achieved using this technique, which provides a basis for the generation of quantitative and qualitative elemental data for individual particles. In order to obtain quantitative...
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Magdalena Stankevic dr inż.
PeopleDziedzinowy bibliotekarz akademicki. Doktor nauk farmaceutycznych oraz absolwentka Biotechnologii na Wydziale Chemicznym Politechniki Gdańskiej, kierunek dyplomowania Technologia Leków i Biochemia. W Bibliotece Politechniki Gdańskiej, jako starszy bibliotekarz w Sekcji Obsługi Czytelnika, koordynuje działania Regionalnej Biblioteki Nanotechnologii – Filii na Wydziale Chemicznym oraz Filii na Wydziale Fizyki Technicznej i Matematyki...
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Gdańsk University of Technology graduates’ form of employment or business activity – years 2011-2014
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates' from the years 2011-2014 on the form of their employment or business activity. The survey was conducted in the period from 2013 to 2016, two years after the respondents obtained graduate status. The research sample included 5025 respondents. To summarize, the...
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The causes of labour inactivity of Gdańsk University of Technology graduates – years 2014-2018
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates from the years 2014-2018 on the causes of their labour inactivity. The survey was conducted in the period from 2016 to 2020, two years after the respondents obtained graduate status. The research sample included 9413 respondents. To summarize, the most common...
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Gdańsk University of Technology graduates’ job position – years 2013-2018
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2013-2018 on their current job position. The survey was conducted in the period from 2015 to 2020, two years after the respondents obtained graduate status. The research sample included 11190 respondents. To summarizing, the Gdańsk University of Technology...
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Gdańsk University of Technology graduates’ form of employment or business activity – years 2015-2018
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates' from the years 2015-2018 on the form of their employment or business activity. The survey was conducted in the period from 2017 to 2020, two years after the respondents obtained graduate status. The research sample included 7409 respondents. To summarize, the...
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The form of employment or business activity of the Gdańsk University of Technology graduates – years 2010-2018
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2010-2018 on their form of employment or business activity. The survey was conducted in the period from 2012 to 2020, two years after the respondents obtained graduate status. The research sample included 12776 respondents. To summarize, the most popular...
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Gdańsk University of Technology graduates’ forms of raising qualifications – years 2017-2018
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates' from the years 2017-2018 on the forms of raising their qualifications. The survey was conducted in the period from 2019 to 2020, two years after the respondents obtained graduate status. The research sample included 2909 respondents. To summarize, the most common...
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Gdańsk University of Technology graduates’ forms of raising qualifications – years 2011-2016
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates' from the years 2011-2016 on the forms of raising their qualifications. The survey was conducted in the period from 2013 to 2018, two years after the respondents obtained graduate status. The research sample included 9525 respondents. To summarize, the most common...
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The sources of financing for raising qualifications of Gdańsk University of Technology graduates – years 2013-2016
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates from the years 2013-2016 on the sources of financing for raising qualifications. The survey was conducted in the period from 2015 to 2018, two years after the respondents obtained graduate status. The research sample included 8281 respondents. To summarize, Gdańsk...
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The size of enterprises in which graduates of the Gdańsk University of Technology work – years 2010-2018
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2010-2018 on the size of enterprises in which they work. The survey was conducted in the period from 2012 to 2020, two years after the respondents obtained graduate status. The research sample included 12776 respondents. To summarize, the Gdańsk University...
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The amount of monthly salary of Gdańsk University of Technology graduates’ – years 2015-2016
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates' from years 2015-2016 on their amount of monthly salary. The survey was conducted in the period from 2017 to 2018, two years after the respondents obtained graduate status. The research sample included 4500 respondents. To summarize, the Gdańsk University of Technology...
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Strengths of studying at Gdańsk University of Technology - the year 2011
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates from the year 2011 on the strengths of studying at Gdańsk University of Technology. The survey was conducted in 2013, two years after the respondents obtained graduate status. The research sample included 615 respondents. To summarize, among the strengths of studying...
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Strengths of studying at Gdańsk University of Technology - the year 2013
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates from the year 2013 on the strengths of studying at Gdańsk University of Technology. The survey was conducted in 2015, two years after the respondents obtained graduate status. The research sample included 1777 respondents. To summarize, among the strengths of...
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Strengths of studying at Gdańsk University of Technology - the year 2012
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates from the year 2012 on the strengths of studying at Gdańsk University of Technology. The survey was conducted in 2014, two years after the respondents obtained graduate status. The research sample included 629 respondents. To summarize, among the strengths of studying...
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Mojtaba Maktabifard mgr inż.
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9,10-Dioxoanthracenyldithiocarbamates effectively inhibit the proliferation of non-small cell lung cancer by targeting multiple protein tyrosine kinases
PublicationAnthraquinones have attracted considerable interest in the realm of cancer treatment owing to their potent anticancer properties. This study evaluates the potential of a series of new anthraquinone derivatives as anticancer agents for non-small-cell lung cancer (NSCLC). The compounds were subjected to a range of tests to assess their cytotoxic and apoptotic properties, ability to inhibit colony formation, pro-DNA damage functions,...
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Arabinoxylans: A review on protocols for their recovery, functionalities and roles in food formulations
PublicationArabinoxylans (AXs) are compounds with high nutritional value and applicability, including prebiotics or supplementary ingredients, in food manufacturing industries. Unfortunately, the recovery of AXs may require advanced separation and integrated strategies. Here, an analysis of the emerging techniques to extract AXs from cereals and their by-products is discussed. This review covers distinct methods implemented over the last...
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Toxoplasma gondii recombinant antigens as tools for serodiagnosis of human toxoplasmosis: current status of studies
PublicationToxoplasma gondii is a parasitic protozoan which is the cause of toxoplasmosis. Although human toxoplasmosis in healthy adults is usually asymptomatic, serious disease can occur in the case of congenital infections and immunocompromised individuals. Furthermore, despite the exact recognition of its etiology, it still presents a diagnostic problem. Diagnosis of toxoplasmosis is mainly based on the results of serological tests detecting...
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Solid phase microextraction–comprehensive twodimensional gas chromatography–time-of-flight mass spectrometry: a new tool for determining PAHs in airport runoff water samples
Publicationfundamental aspect of airport operations is the pollution caused by airport runoff waters. Polycyclic aromatic hydrocarbons (PAHs) are one of the most important groups of xenobiotics which are commonly found in runoff water originating from airports. Only very limited data on the analysis of airport runoff water have been published until now. Therefore, a reliable and accurate analytical method based on headspace solid-phase microextraction...
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Analiza oddziaływań w kryształach związków zawierających w strukturze pierścień pirydynowy
PublicationMożliwość tworzenia się wiązań wodorowych jest kluczowym parametrem z punktu widzenia inżynierii kryształu, ponieważ wiązania wodorowe mają bezpośredni wpływ na strukturę oraz trwałość sieci krystalicznej. Głównym celem niniejszej rozprawy doktorskiej była analiza porównawcza wiązań wodorowych występujących w układach, zawierających w strukturze pierścień pirydynowy. Badane układy podzielono na: (1) układy ze związkami krzemosiarkowymi...
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Experimental Study on Steel Tank Model Using Shaking Table/ Badania Eksperymentalne Modelu Zbiornika Stalowego Na Stole Sejsmicznym
PublicationStalowe zbiorniki walcowe są bardzo popularnymi konstrukcjami używanymi do magazynowania produktów przemysłu chemicznego i naftowego. Ich bezpieczeństwo i niezawodność są kluczowe, ponieważ każde uszkodzenie może nieść za sobą bardzo poważne konsekwencje. Trzęsienia ziemi są najbardziej niebezpiecznymi, a zarazem najbardziej nieprzewidywalnymi obciążeniami dynamicznymi, które mogą oddziaływać na tego typu konstrukcje. Z drugiej...
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Teoretyczne badanie struktury oscylacyjno-elektronowej cząsteczki NaRb z uwzględnieniem efektów relatywistycznych
PublicationZ wykorzystaniem kwantowo-chemicznych metod opartych na pseudopotencjałach opisujących oddziaływanie elektronów walencyjnych z atomowymi rdzeniami zostały policzone krzywe adiabatyczne energii potencjalnej. Na ich podstawie wyznaczono parametry spektroskopowe cząsteczki NaRb w ujęciu nierelatywistycznym i relatywistycznym. Policzyłem osiemnaście stanów nierelatywistycznych w symetrii Σ+, dziesięć stanów symetrii Π oraz cztery stany...
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Ku zeroemisyjnej energetyce gazowej
PublicationW pracy krótko omówiono trendy wprowadzane w obiegach gazowych z zastosowaniem oksyspalania. Następnie przed-stawiono rozwiązanie nowego układu opartego na wykorzystaniu dwóch urządzeń o wzmożonej konwersji energii, a mia-nowicie „mokrej komory spalania” i „skraplacza natryskowo-strumieniowego”. Zaproponowany obieg gazowo-parowy realizowany jest w jednej turbinie, która ma zalety zarówno turbiny gazowej (wysokie temperatury wlotowe)...
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Stalowe dwupłaszczowe zbiorniki na paliwa - interakcja konstrukcji stalowej z podłożem gruntowym
PublicationStalowe walcowe zbiorniki o osi pionowej są często wykorzystywane do magazynowania cieczy w rafineriach i przemyśle. Wielokrotnie rafinerie i bazy paliw zlokalizowane są w pobliżu portów w dolinach rzek, gdzie w podłożu często zalegają grunty słabonośne. Prezentowane badania wykonano w odpowiedzi na rzeczywisty problem z osiadaniami zbiorników, który wystąpił w jednej z polskich rafinerii. Przeanalizowano wpływ osiadań na pracę...
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EU state aid for fisheries and aquaculture in the perspective 2014-2020
Open Research DataThe dataset encompassed a choice of the most important legal acts, a list of selected Polish bibliography, and some examples of decisions issued by the EC on the topic of state aid for fisheries and aquaculture in Poland and in Germany. The data constitute a description of the basic state aid instruments used in practice in the period 2014-2020 for...
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state aid for projects on heritage conservation
Open Research DataThe dataset encompassed a choice of the most important legal acts in EU law, a list of selected bibliography, together with a list of some interesting individual EC decisions issued on the topic of state aid for heritage conservation in Poland and some UE countries in the period 2007-2013. The reader gets the possibility to acquire basic information...
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XRD investigations of the lithium titanate thin films
Open Research DataNanocrystalline thin films with 800 nm thickness were prepared by sol–gel method. To examine the influence of the annealing temperature on as-prepared films crystallization, the coatings were heated at temperature from 500 °C up to 600 °C for 20h. Structure of manufactured thin films was investigated using X-ray diffraction (XRD). The most visible...
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Brunauer-Emmett-Teller (BET) surface analysis of titanium dioxide (TiO2) and silicon dioxide (SiO2) used for coating of expanded polystyrene spheres (EPS)
Open Research DataData refer to the results of BET surface area of TiO2 and SiO2 powders used for coating of expanded polystyrene spheres. The detailed measurement and equipment data was described in readme BET.txt file.TiO2 was treated firstly in autoclave at 150 C degrees for 1h, then was further heat treated in Ar at 400 C degrees. As a raw material TiO2 was used,...
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CSR knowledge and perception in Polish SMEs: Evidence from the region of Pomerania.
PublicationThe concept of CSR was created in the second half of 20th century mostly with respect to large businesses, mostly multinational corporations. Alongside with the renaissance of small and medium-sized enterprises (SMEs), which took place in the seventh decade of 20th centu-ry, we can observe a constant increase in the popularity of research into CSR practices among SMEs. This topic still remains under-researched, especially in transition...
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Epitaph of Edward Blemke in St. Mary's Church in Gdańsk
Open Research DataThe data set concerns epigraphy. It refers to the epitaph placed in St. Mary’s Church in Gdańsk, that is dedicated to Edward Blemke, a citizen of Gdańsk who was in city council as a juror, almost till his death in 1593. The epitaph, made in 1591, is one of the greatest and the most beautiful in the whole basilica. Data set contains one general photo...
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Number of bank branches per million inhabitants in EU countries 2015
Open Research DataAccording to the data presented, over the year (2016-2017), the network of bank branches in Poland decreased by over half a thousand (currently the total number of traditional bank branches, excluding partner branches, amounts to nearly 6 thousand). It is worth noting, however, that the number of bank branches per million inhabitants is the highest...