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- Publikacje 3331 wyników po odfiltrowaniu
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Wyniki wyszukiwania dla: RANDOM NUMBER GENERATION
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A review of phosphorus recovery methods at various steps of wastewater treatment and sewage sludge management. The concept of “no solid waste generation” and analytical methods
PublikacjaPhosphorus deposits around the world are rapidly depleting, therefore phosphorus recovery methods are gaining more and more interest both in science and industry. This article presents the main methods of phosphorus recovery from sewage sludge. The described approaches are divided in two groups: phosphorus recovery from sewage sludge and leachate, and recovery of phosphorus from sewage sludge ashes. The latter seems to have more...
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The number of individual clients who log in to the bank using internet banking at least once a month (2017)
Dane BadawczeTaking into account active users, i.e. those who have used Internet access at least once, the situation is a bit different. Out of 32.5 million people who have access to electronic banking, 14.7 million people worked at least once a month (data as at the end of 2017). It is worth noting, however, that in this group there was also an increase in the...
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The complete lists of 1D reversible number-conserving cellular automata with radius one of up to 7 states
Dane BadawczeThis dataset contains complete lists of all one-dimensional reversible number-conserving k-ary cellular automata with radius one of up to 7 states, i.e. with state sets {0,1}, {0,1,2}, {0,1,2,3}, {0,1,2,3,4}, {0,1,2,3,4,5} and {0,1,2,3,4,5,6}.
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Structure of the register of immovable monuments in terms of the number of monuments by voivodeship – comparison of 2016 and 2024
Dane BadawczeThis dataset compares the structure of the register of immovable monuments in Poland regarding the number of monuments by voivodeship for 2016 and 2024. Over eight years, the number of immovable monuments has increased (over 9000 monuments increase). The historical regions impact the fact that the most immovable monuments are located in Lower Silesia,...
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Random Z Internetu
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Structure of the register of immovable monuments in terms of the number of large-scale monuments by voivodeship – comparison of 2003 and 2024
Dane BadawczeThe following dataset compares the structure of the register of immovable monuments in Poland regarding the number of large-scale monuments by voivodeship for 2003 and 2024. In 2003, the large-scale monuments accounted for only 1.4% of all the immovable monuments. However, in 2024, their number has more than doubled, indicating significant growth.
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Data set generation at novel test-rig for validation of numerical models for modeling granular flows
PublikacjaSignificant effort has been exerted on developing fast and reliable numerical models for modeling particulate flow; this is challenging owing to the complexity of such flows. To achieve this, reliable and high-quality experimental data are required for model development and validation. This study presents the design of a novel test-rig that allows the visualization and measurement of particle flow patterns during the collision...
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Influence of attenuation on self-organized second-harmonic generation in a germanium-doped microstructured silica fiber
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Cold atmospheric plasma-induced chemical vapor generation in trace element analysis by spectrometric methods
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Phyto-mediated photocatalysis: a critical review of in-depth base to reactive radical generation for erythromycin degradation
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In vitro to in vivo extrapolation to support the development of the next generation risk assessment (NGRA) strategy for nanomaterials
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Rozwój technik sporządzania gazowych mieszanin wzorcowych = Development of techniques of generation gaseous standard mixtures
PublikacjaW pracy przedstawiono rozwój dostępnych technik sporządzania gazowych mieszanin wzorcowych oraz informację na temat nowego podejścia do tego zagadnienia. W tym przypadku strumień składnika mierzonego (analitu) jest otrzymywany w procesie termicznego rozkładu związków powierzchniowych powstałych w trakcie procesu chemicznej modyfikacji powierzchni odpowiedniego stałego nośnika.
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New Type of Small Broad-Band Internal Antenna for Third Generation Mobile Phone Handsets.
PublikacjaW pracy przedstawiono nową szerokopasmową antenę łatową przeznaczoną dla telefonów komórkowych trzeciej generacji. Proponowana struktura zawiera obwód (rezonator) w kształcie litery U i zaliczana jest do klasy PIFA (planar inverted-F antenna). W trakcie procesu projektowania przeprowadzono szereg symulacji elektromagnetycznych (metoda momentów), których wyniki zweryfikowano w oparciu o pomiary charakterystyk wykonanego prototypu....
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Implementing SP4CE Learning Rooms concept and AUTODESK online certification in the preparation of a new generation of engineers.
PublikacjaIn academia, educators do not always cope with rapidly changing technologies. Yet keeping up with new trends is essential to graduates’ success in a competitive job market. In the article, the author will answer the question of how Autodesk University Open Educational Resources and Certiport exams including GMetrix can enhance students’ academic progress and prepare them for future career. The concept of co-operation between Authorized...
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Jacek Tomków dr hab. inż.
OsobyWykształcenie:1. 2018 r.Doktor inżynier - Politechnika Gdańska, Wydział Mechaniczny, Inżynieria Materiałowa,rozprawa doktorska: Wpływ warunków spawania pod wodą na skłonność do tworzenia pęknięć zimnych w stalach o podwyższonej wytrzymałości 2. 2012 r.Magister inżynier - Politechnika Gdańska, Wydział Mechaniczny, Mechanika i Budowa Maszyn, specjalność: Technologia Maszyn i Komputerowe Wspomaganie Produkcji,praca magisterska: Badania...
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Number of customers using only mobile devices (so-called "mobile only") - 2017
Dane BadawczeThe number of users who only use mobile devices is also growing (excluding access via desktop computers and people who manage to order current transactions in traditional bank branches). At the end of the fourth quarter 2017, there were 2.2 million such people - an increase by 434 thousand. compared to previous year.
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Number of commercial banks at the end of the year, excluding banks that are not operating, bankrupt or liquidated, and banks in organization in 1993-2004
Dane BadawczePolish banks were gradually transformed from enterprises with a predominance of Polish private capital into banks with a majority share of private foreign capital. In 1993, there were 48 banks with a majority of Polish private capital, and in 2006 there were 7 of them. In 1993, the shares of 10 banks in Poland were owned by private foreign capital,...
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Study of Multi-Class Classification Algorithms’ Performance on Highly Imbalanced Network Intrusion Datasets
PublikacjaThis paper is devoted to the problem of class imbalance in machine learning, focusing on the intrusion detection of rare classes in computer networks. The problem of class imbalance occurs when one class heavily outnumbers examples from the other classes. In this paper, we are particularly interested in classifiers, as pattern recognition and anomaly detection could be solved as a classification problem. As still a major part of...
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Integracja danych przestrzennych z satelitarnych i lotniczych sensorów obrazujących w systemach czasu rzeczywistego
PublikacjaRozprawa dotyczy multidyscyplinarnego problemu integracji danych przestrzennych z sensorów lotniczych i satelitarnych w nowoczesnych systemach informatycznych zapewniających działanie w czasie niemal rzeczywistym. Zagadnienia poruszone w pracy obejmują m.in. systemy GIS, teledetekcję, fotogrametrię, rozpoznawanie wzorców jak również usługi sieciowe. W rozprawie omówiono oryginalne rozwiązania autora obejmujące opracowanie oraz...
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Sampling-based novel heterogeneous multi-layer stacking ensemble method for telecom customer churn prediction
PublikacjaIn recent times, customer churn has become one of the most significant issues in business-oriented sectors with telecommunication being no exception. Maintaining current customers is particularly valuable due to the high degree of rivalry among telecommunication companies and the costs of acquiring new ones. The early prediction of churned customers may help telecommunication companies to identify the causes of churn and design...
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Empirical analysis of tree-based classification models for customer churn prediction
PublikacjaCustomer churn is a vital and reoccurring problem facing most business industries, particularly the telecommunications industry. Considering the fierce competition among telecommunications firms and the high expenses of attracting and gaining new subscribers, keeping existing loyal subscribers becomes crucial. Early prediction of disgruntled subscribers can assist telecommunications firms in identifying the reasons for churn and...
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Ontology-based text convolution neural network (TextCNN) for prediction of construction accidents
PublikacjaThe construction industry suffers from workplace accidents, including injuries and fatalities, which represent a significant economic and social burden for employers, workers, and society as a whole.The existing research on construction accidents heavily relies on expert evaluations,which often suffer from issues such as low efficiency, insufficient intelligence, and subjectivity.However, expert opinions provided in construction...
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TDOA versus ATDOA for wide area multilateration system
PublikacjaThis paper outlines a new method of a location service (LCS) in the asynchronous wireless networks (AWNs) where the nodes (base stations) operate asynchronously in relation to one another. This method, called asynchronous time difference of arrival (ATDOA), enables the calculation of the position of the mobile object (MO) through the measurements taken by a set of non-synchronized fixed nodes and is based on the measurement of...
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Minimal number of periodic points for smooth self-maps of simply-connected manifolds
Dane BadawczeThe problem of finding the minimal number of periodic points in a given class of self-maps of a space is one of the central questions in periodic point theory. We consider a closed smooth connected and simply-connected manifold of dimension at least 4 and its self-map f. The topological invariant D_r[f] is equal to the minimal number of r-periodic points...
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Number of individual clients in Polish banks (10 largest entities) in 2017
Dane BadawczeAccording to the data of the National Bank of Poland, in 2017 Polish banks served 49 million customers (of which 45.5 million were retail customers). The largest number of individual clients was served by PKO Bank Polski - nearly 9.5 million, the second was Bank Pekao - 5.4 million, and the third place in the list of ING Bank Śląski - 4.6 million. A...
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Comparison of the number of foreigners registered for retirement and disability pension insurance - at the end of the year
Dane BadawczeThe increase in the number of foreigners registered for retirement and disability insurance was characterized by the highest dynamics in the case of non-EU migrants, in particular Ukrainian citizens (26-time increase in the period 2008-2018; impressive nominal growth from 16.2 to 420.7 thousand economic migrants) and Georgia (a 37-time increase). Also...
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Data on the number of submitted declarations divided into electronic and paper between January 2020 and December 2020
Dane BadawczeThe following data concern the number of declarations submitted between January and December 2020 to the Polish Ministry of Finance. The declarations concern all taxes, including income taxes and VAT. The data has been divided into particular categories, i.e. paper and electronic declarations.
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Data on the number of submitted declarations divided into electronic and paper between January 2021 and February 2021
Dane BadawczeThe following data concern the number of declarations submitted between January and February 2021 to the Polish Ministry of Finance. The declarations concern all taxes, including income taxes and VAT. The data has been divided into particular categories, i.e. paper and electronic declarations.
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Generation and Characterization of a DNA-GCN4 Oligonucleotide-Peptide Conjugate: The Impact DNA/Protein Interactions on the Sensitization of DNA
PublikacjaRadiotherapy, the most common therapy for the treatment of solid tumors, exerts its effects by inducing DNA damage. To fully understand the extent and nature of this damage, DNA models that mimic the in vivo situation should be utilized. In a cellular context, genomic DNA constantly interacts with proteins and these interactions could influence both the primary radical processes (triggered by ionizing radiation) and secondary reactions,...
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Automatic HDL firmware generation for FPGA-based reconfigurable measurement and control systems with mezzanines in FMC standard
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Spontaneous generation of chirality and chiroptical spectra of N-nitroso-2,4-diaryl-3-azabicyclo[3.3.1]nonanes
PublikacjaBadane związki o szkielecie 2,4-diarylo-3-azabicyclo[3.3.1]nonanów krystalizują w chiralnej grupie przestrzennej jako konglomeraty, co oznacza że uzyskane, makroskopowej wielkości kryształy można rozdzielić manualnie na dwie grupy zgodnie z asymetrią ich powierzchni. Homochiralne kryształy wybranych enancjomerów zsyntetyzowanych związków poddano badaniom rentgenostrukturalnym oraz zarejestrowano ich widma CD i UV-vis. Konfigurację...
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Chemical-vapor generation of transition metals through the reaction with tetrahydroborate in recent achievements in analytical atomic spectrometry
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Photodynamic Inactivation of Candida albicans with Imidazoacridinones: Influence of Irradiance, Photosensitizer Uptake and Reactive Oxygen Species Generation
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MARKAL LONG-TERM POWER GENERATION SCENARIOS FOR POLAND: INCREASING THE SHARE OF RENEWABLE ENERGY SOURCES BY 2040
PublikacjaIn this paper, renewable energy sources (RES) support mechanisms in Poland was presented with perspectives of proposed support system modifications, discussed in the project of Renewable Energy Act. In addition, MARKAL model of RES support mechanism was presented, taking into account technology-specific multiplication factors. Two model runs with emission trading system in place and two additional runs without emission trade were...
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MARKAL long-term power generation scenarios for Poland: Increasing the share of renewable energy sources by 2040
PublikacjaIn this paper, renewable energy sources (RES) support mechanisms in Poland was presented with perspec-tives of proposed support system modifications, discussed in the project of Renewable Energy Act. In ad-dition, MARKAL model of RES support mechanism was presented, taking into account technology-specific multiplication factors. Two model runs with emission trading system in place and two additional runs without emission trade...
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Utilization of thermal decomposition of immobilized compounds for the generation of gaseous standard mixtures used in the calibration of gas analysers
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Fuzzy Based Maximum Power Point Tracking (MPPT) Control System for Photovoltaic Power Generation System
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Electrochemical generation of microbubbles by carbon nanotube interdigital electrodes to increase the permeability and material uptakes of cancer cells
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Sustainable bioethanol production from first- and second-generation sugar-based feedstocks: Advanced bibliometric analysis
PublikacjaBioethanol is produced from carbohydrate-containing feedstocks through fermentation. Based on a bibliometric review of studies published between 2012 and 2021, we analyzed those on sustainable bioethanol production. The Web of Science main collection yielded 1647 publications, which were analyzed using VOSViewer, CiteSpace, and ArcMap software. More than half of these publications originated from some Asian countries, corresponding to...
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Development of an emulation platform for synchronous machine power generation system using a nonlinear functional level model
PublikacjaThe article presents the Power Hardware in the Loop (PHIL) approach for an autonomous power system analysis based on the synchronous generator model incorporating magnetic saturation effects. The model was prepared in the MATLAB/Simulink environment and then compiled into the C language for the PHIL platform implementation. The 150 kVA bidirectional DC/AC commercial-grade converter was used to emulate the synchronous generator....
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Generation of vorticity motion by sound in a chemically reacting gas and inversion of acoustic streaming in the non-equilibrium regime
PublikacjaBadanie dotyczy nieliniowych pobudzeń modu wirowego wywoływanych przez straty momentu pędu w gazie, w którym zachodzą reakcje chemiczne. Zostało wyprowadzone chwilowe dynamiczne równanie dla modu wirowego. Zawiera ono nieliniową siłę akustyczną co pokazuje, że powodem interakcji między modami akustycznym i wirowym jest nieliniowość. Równanie pozwala jako przyczynę ruchu wirowego rozważać zarówno dźwięk okresowy, jak i aperiodyczny....
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Second harmonic generation on crystalline organic nanoclusters under extreme nanoconfinement in functionalized silica–benzil composites
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Enhancement of the efficiency of the third harmonic generation process in ZnO:F thin films probed by photoluminescence and Raman spectroscopy
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Number of statements issued about the intention to entrust the performance of work and the dynamics of change (%, year to year) in 2008-2018
Dane BadawczeWhen analyzing data on declarations of intention to entrust work to a foreigner, whose registration was completed at the end of 2017, with data on declarations on entrusting work to a foreigner, effective from 01/01/2018, it should noted that since 2018 the scope of data regarding statements. Currently they apply only to works that are not considered...
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Future Generation Computer Systems-The International Journal of Grid Computing-Theory Methods and Applications
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In Situ Random Microseeding and Streak Seeding Used for Growth of Crystals of Cold-Adapted beta-D-Galactosidases: Crystal Structure of betaDG from Arthrobacter sp. 32cB
PublikacjaThere is an increasing demand for cold-adapted enzymes in a wide range of industrial branches. Nevertheless, structural information about them is still scarce. The knowledge of crystal structures is important to understand their mode of action and to design genetically engineered enzymes with enhanced activity. The most difficult task and the limiting step in structural studies of cold-adapted enzymes is their crystallization,...
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PM10 concentration and microbiological assessment of air in relation to the number of acute cases of type 1 diabetes mellitus in the Lubelskie Voivodeship. Preliminary report
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Influence of alkaline and oxidative pre-treatment of waste corn cobs on biohydrogen generation efficiency via dark fermentation
PublikacjaStages of waste corn cobs processing leading to the production of biohydrogen via dark fermentation are presented and discussed in this paper. Firstly, the effects of pretreatment conditions i.e. alkaline, alkaline-oxidizing and Fenton oxidizing pre-treatment of lignocellulosic biomass on the removal of lignin were examined. The solid residue obtained in the first stage was subjected to saccharification by means of enzymatic hydrolysis....
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Efflux Pump Blockers in Gram-Negative Bacteria: The New Generation of Hydantoin Based-Modulators to Improve Antibiotic Activity
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Cost of Equity of Coal-Fired Power Generation Projects in Poland: Its Importance for the Management of Decision-Making Process
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