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Wyniki wyszukiwania dla: ENTREPRENEURIAL ENGINEERING EDUCATION
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Strain gauges monitoring of arch bridge over the Vistula river in Toruń during construction
PublikacjaIn 2013 one of the biggest Polish road bridges over the Vistula was built in Torun. Considering the use of original engineering solutions and innovative assembly it was decided on monitoring of strain gauges and assessment of building’s behaviour during its construction. The research was aimed at determining the degree of strain and the assessment of proper work of main arch girders during assembly phases. This work presents the...
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Current risk analysis and management issues in technical systems.
PublikacjaDealing with the reliability and safety of industrial hazardous plants requires taking into account relevant interdisciplinary scientific knowledge and some existing approaches based on so-called good engineering practice, also those included in the international standards and guidelines. In this article an approach is proposed how to integrate the functional safety concept with information security aspects in the design and management...
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O modelowaniu numerycznym dźwigarów zespolonych
PublikacjaThe paper is a general review of theoretical problems and corresponding numerical procedures actually available in commercial engineering software. Several possibilities of numerical simulation for composite girders are presented. Effectivity of meshing is showed on the simple example. Finally several examples of structural numeric models for real bridges are included. In the author's opinion, presented available procedures for...
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On Von Karman Equations and the Buckling of a Thin Circular Elastic Plate
PublikacjaWe shall be concerned with the buckling of a thin circular elastic plate simply supported along a boundary, subjected to a radial compressive load uniformly distributed along its boundary. One of the main engineering concerns is to reduce deformations of plate structures. It is well known that von Karman equations provide an established model that describes nonlinear deformations of elastic plates. Our approach to study plate deformations...
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Błędy dotyczące kotwienia w budownictwie
PublikacjaW artykule zwrócono uwagę na typowe błędy w projektowaniu oraz wykonawstwie systemów kotwienia w budownictwie. Omówiono normowe zalecenia dotyczące obliczeń nietypowych elementów. Przedstawiono kilka przykładów błędnego wykonania kotwienia z rzeczywistej realizacji. Skomentowano rodzaj błędów i ich przyczynę.
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Wybrane aspekty prawne projakościowej reorientacji w polskim szkolnictwie wyższym a paradygmat zarządzania jakością
PublikacjaW artykule zaprezentowano diagnozę stanu obecnego polskich regulacji prawnych dotyczących jakości w szkolnictwie wyższym. Wskazano mankamenty wynikające z aktualnej postaci tych regulacji. Przedstawiano też propozycje działań umożliwiających poprawę sytuacji oraz model działań na rzecz jakości w naszych uczelniach.
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Defense mechanisms and borderline personality organization among COVID-19 believers and non-believers during complete lock-down
PublikacjaThe aim of the current study was to investigate whether a specific social perception of the pandemic—believing or not in COVID-19—predicts borderline personality organizations and whether this relationship is mediated by more primitive maladaptive mechanisms—splitting, denial, and dissociation. The online study included 720 organization aged 25–45. Participants were diverse in terms of place of residence, being in a relationship,...
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Implementation of daylight design strategies in urban planning - barriers to application in Poland
PublikacjaThis paper reflects on studies done in the area of daylight design methods with regard to principles that can be applied in architecture and urban planning strategies. The paper addresses barriers to the application of new daylight design methods in urban planning, and in particular discusses current Polish building regulations in the context of daylight design. The results of the pilot study carried out among 82 participants show...
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Massive Open Online Courses (MOOCs) in hospitality and tourism
PublikacjaThe tourism industry, interesting and challenging, faces structural human resource problems such as skills shortages and staff turnover, seasonality and a high percentage of small to medium enterprises whose employees have limited time for training or education. Large tourism enterprises often span countries and continents, such as hotel chains, airlines, cruise companies and car rentals, where the employees need similar training...
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New satellite pumps
PublikacjaStosowanie Maszyn company from Katowice was initiator and originator of newest original high pressure satellite pumps series of types PSM. Construction solution, research and development of these pumps have been conducted by Team of Hydraulics and Pneumatics of Gdansk University of Technology in cooperation with this company within the confines of research project nr R0300103 (source of funds: Ministry of Science and Higher Education)....
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Pierwszy w Polsce Międzynarodowy Zabytek Inżynierii Budowlanej - most lisewski przez Wisłę w Tczewie
PublikacjaW artykule przedstawiono rys historyczny powstania pierwszego stałego mostu drogowo-kolejowego przez Wisłę w Tczewie (1857) oraz jego kolejnych przebudów (1911, 1939, 1945-1972, 2002). Na podstawie przeprowadzonej zabytkoznawczej analizy wartościującej to dzieło pruskiej inżynierii uzasadniono fakt nadania mu w 2004 r. statusu ''International historic civil engineering landmark'' przez American Society of Civil Engineers.
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DiSTFAG method robust to gross errors in monitoring displacements and strains in unstable reference systems
PublikacjaThe DiSTFA method (Displacements and Strains using Transformation and Free Adjustment) was presented in Kamiński (2009). The method has been developed for the determination of displacements and strains of engineering objects in unstable reference systems, as well as for examining the stability of reference points. The DiSTFAG (Gross errors) method presented in the paper is the extension of the DiSTFA method making it robust to...
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Review of historical buildings' foundations
PublikacjaThe paper presents in brief the history of foundation engineering with a particular regard to its development, applied techniques and materials. Different types of old foundations in relation to various soil conditions are considered. Basic methods of preservation of old foundations, with special emphasis given to their faults and advantages are discussed. Finally, some problems of the reuse of pre-existing foundations are raised....
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E-egzamin - analiza statystyczna wyników
PublikacjaDnia 4 marca 2008 roku, po raz pierwszy w Polsce, odbył się próbny egzamin gimnazjalny z części matematyczno-przyrodniczej, przeprowadzany drogą elektroniczną, ''E-egzamin 2008''. Organizatorami egzaminu byli: Wyższa Szkoła Humanistyczno-Ekonomiczna i WSiP. Patronat nad projektem objęli: Minister EN i dyrektor Centralnej Komisji Egzaminacyjnej. Nietypowy próbny egzamin gimnazjalny pisało w jednym czasie kilka tysięcy gimnazjalistów...
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Evaluating Industry 4.0 Implementation Challenges Using Interpretive Structural Modeling and Fuzzy Analytic Hierarchy Process
PublikacjaThe fourth industrial revolution known as Industry 4.0 is reshaping and evolving the way industries produce products and individuals live and work therefore, gaining massive attraction from academia, business and politics. The manufacturing industries are optimistic regarding the opportunities Industry 4.0 may offer such as, improved efficiency, productivity and customization. The present research contributes to the Industry 4.0...
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Exergy analysis of the Szewalski cycle with a waste heat recovery system
PublikacjaThe conversion of a waste heat energy to electricity is now becoming one of the key points to improve the energy efficiency in a process engineering. However, large losses of a low-temperature thermal energy are also present in power engineering. One of such sources of waste heat in power plants are exhaust gases at the outlet of boilers. Through usage of a waste heat regeneration system it is possible to attain a heat rate of approximately...
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Expedited Simulation-Driven Multi-Objective Design Optimization of Quasi-Isotropic Dielectric Resonator Antenna
PublikacjaMajority of practical engineering design problems require simultaneous handling of several criteria. Although many of design tasks can be turned into single-objective problems using sufficient formulations, in some situations, acquiring comprehensive knowledge about possible trade-offs between conflicting objectives may be necessary. This calls for multi-objective optimization that aims at identifying a set of alternative, Pareto-optimal...
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Tailor-Made Polysaccharides for Biomedical Applications
PublikacjaPolysaccharides (PSAs) are carbohydrate-based macromolecules widely used in the biomedical field, either in their pure form or in blends/nanocomposites with other materials. The relationship between structure, properties, and functions has inspired scientists to design multifunctional PSAs for various biomedical applications by incorporating unique molecular structures and targeted bulk properties. Multiple strategies, such as...
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Polyurethanes modified with natural polymers for medical application. I. Polyurethanes/ Chitosan and polyurethane/collagen.
PublikacjaFor over three decades polyurethanes (PUR or PU) have been reported for application in a variety of medical devices. These polymers consist of hard and soft segments, which allow for more subtle control of their structure and properties. By varying the composition of the different segments, properties of PURcan be tuned up for use in many areas of medicine. Recently there is a great interest in modification of biomedical PUR with...
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Manufacturing Data Analysis in Internet of Things/Internet of Data (IoT/IoD) Scenario
PublikacjaComputer integrated manufacturing (CIM) has enormous benefits as it increases the rate of production, reduces errors and production waste, and streamlines manufacturing sub-systems. However, there are some new challenges related to CIM operating in the Internet of Things/Internet of Data (IoT/IoD) scenarios associated with Industry 4.0 and cyber-physical systems. The main challenge is to deal with the massive volume of data flowing...
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Socioemotional Wealth (SEW) of Family Firms and CEO Behavioral Biases in the Implementation of Sustainable Development Goals (SDGs)
PublikacjaAgreed upon by the UN member states, Agenda 2030 assumes joint action for long- term sustainable development. These actions are focused on the implementation of 17 Sustainable Development Goals (SDGs), where actions are assumed to lead to the suppression of negative externalities of human activity. It is stressed that the objectives of sustainable development can only be achieved through deep institutional changes in most dimensions...
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Aspekty Edukacyjne Wirtualnych Światów. Aplikacja Second Life
PublikacjaArtykuł koncentruje się na trójwymiarowych środowiskach wirtualnych i ich funkcjonalności edukacyjnej na przykładzie świata Second Life. Wbrew opiniom pojawiającym się od czasu do czasu w literaturze przedmiotu światy wirtualne 3D nie odchodzą w przeszłość, przynajmniej nie w sektorze edukacyjnym. Autorzy artykułu próbują to wykazać,przedstawiając różne aspekty Second Life w zastosowaniach dydaktycznych, naukowych,...
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Infografika - aktywizujące środowisko edukacyjne
PublikacjaArtykuł analizuje szerokie spektrum zagadnień związanych z infografikami. Opisuje sposoby ich tworzenia w celu efektywnej wizualizacji informacji, danych i wiedzy oraz publikowania ich w portalach LCMS dla osiągnięcia celów pedagogicznych. Zwraca uwagę na znaczenie, jakie mają w stymulowaniu studentów do aktywnego i kreatywnego uczestniczenia w procesie uczenia się. Podkreśla także ich ogromną rolę w innowacyjnej edukacji, w szczególności...
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Matrix Strengthening the Identification of Observations with Split Functional Models in the Squared Msplit(q) Estimation Process
PublikacjaThis article addresses the issue of raising the level of identification of observations with either single or more split functional models in the squared Msplit(q) estimation process. The theoretical part of the study presents the theoretical grounds for the classical method for estimating parameters in a split functional model and proposes a modification of the computational algorithm to increase the quality of the determinations...
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Power electronic systems as a crucial part of Smart Grid infrastructure - a survey
PublikacjaThis article gives a tutorial overview of the most important issues related to the use of power electronic systems in power engineering, with respect to the urgent need for modernization of existing grids in the direction of intelligent networks. The main problems and conditions bound up with the construction of Smart Grids and the location, as well as functioning in them of the most important power electronic systems are presented...
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Kultura jakości i czynniki ją kształtujące w szkołach wyższych
PublikacjaW artykule przedstawiono rozważania dotyczące kultury jakości w instytucjach szkolnictwa wyższego. Szczególną uwagę zwrócono na czynniki, które wspierają rozwój kultury jakości w uczelniach oraz na te, które stanowią bariery jej pozytywnego rozwoju. Zagadnienie to zostało zaprezentowane na tle różnych wyników badań dotyczących kultury jakości jako specyficznej subkultury organizacyjnej.
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Large hydrodynamic thrust bearing: Comparison of the calculations and measurements
PublikacjaHydrodynamic thrust bearings, used to carry axial loads in heavily loaded shafts of water power plants hydro turbines, can reach outer diameters even exceeding 5 m. In such large objects scale effect could be observed. According to this, allowable bearing specific load assuring safe operation of the bearings has to be decreased, which increases thrust bearing dimensions. This effect is caused by excessive thermal deflections of...
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Some kind of joints in composite polymer bridges
PublikacjaContemporary, polymer composites bridge structures are of two types: truss or arch structures(with many joints along the length) and beam structures with limited number of joints. Both of them have special types of composite polymer decks. An ideal solution is to join advantages of two types of structuresdescribed below and create long span FRP beam bridge structure system using joints along the length. Theproblem is to find the...
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Rozwijanie kreatywności ucznia w procesie kształtowania umiejętności językowych. Innowacja pedagogiczna z elementami neurodydaktyki w edukacji wczesnoszkolnej
PublikacjaThis text is a ready-to-use pedagogical innovation program combining teaching English and classes developing creativity in early childhood education. Classes developing creativity are a unique opportunity to implement innovative solutions and ideas to develop language competencies and key competencies, which can be difficult during a standard English lesson. The...
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Employees 50+: How They Are Assessed and How They Assess Themselves
PublikacjaIn Poland, the older workers are valued for their knowledge and professional experience. Many of them, during transition period, actively participated in the creation of today’ s businesses and now occupy exposed managerial positions, being aware of their own value. On the other hand, old age is one of the main reasons for the limited access to work. The seniors are assigned stereotypical characteristics, such as low levels of...
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Three Editions of Inter-University Studies on Space and Satellite Technology. Candidate and/vs. Graduate, a Case Study
PublikacjaCurrently, there is a growing demand for most up-to-date academic courses that will fulfil the needs of modern society. Each candidate has to make choices and judgements carefully, in order to succeed on the market. This is particularly important when educating individuals with different backgrounds, especially on an inter-university course in the field of space sciences and technology. This paper describes a case study carried...
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DAYLIGHT WITHIN A ROOM IN THE EYES OF ARCHITECTURE STUDENTS
PublikacjaA questionnaire was conducted to investigate how 140 architecture students apprise daylight conditions within the classrooms. The participants were requested to evaluate the luminous environment and their luminous comfort. They were also asked about light preferences and knowledge on daylight metrics and regulations. The students’ subjective appraisals results were compared with the experts’ assessment and the on-site illuminance...
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The Progress in Electron Microscopy Studies of Particulate Matters to Be Used as a Standard Monitoring Method for Air Dust Pollution
PublikacjaThe present article reviews studies on air solid particles carried out with the use of electron microscopy. Particle analysis combining scanning and transmission electron microscopy (SEM and TEM) can be used to derive size-resolved information of the composition, mixing state, morphology, and complex refractive index of atmospheric aerosol particles. It seems that electron microscopy is more widely used in atmospheric particulate...
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Metody ewaluacji kursów internetowych - przykłady projektów UE.
PublikacjaOd 1997 Centrum Edukacji Niestacjonarnej Politechniki Gdańskiej bierze udział w projektach UE, które dotyczą kształcenia na odległość. Nie wszystkie z tych projektów dają w efekcie wysokiej jakości produkty. Główna przyczyna tkwi w pomijaniu procedur jakości, które bądź w ogóle nie są brane pod uwagę, albo pojawiają się zbyt późno. W artykule zaproponowano procedury określające jakość kursów na odległość na przykładzie doświadczeń...
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TeleCAD w kształceniu studentów Wydziału Inżynierii Lądowej Politechniki Gdańskiej
PublikacjaPrzedstawiono system TeleCAD opracowany w ramach projektu Leonardo da Vinci - Teleworkers Training for CAD Systems Users (1998-2001). Głównym celem projektu było stworzenie środowiska obsługi kursów programu AutoCAD bazującego na Internecie jako medium do komunikacji między uczestnikami oraz do dostarczania materiałów kursowych. W artykule zaprezentowano również system służący do oceny jakości szkoleń na odległość. Szkolenie TeleCAD...
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Labour resources in Kazakhstan and Uzbekistan - a comparative study
PublikacjaThe aim of the paper is to show the transformation and comparison of labour resources in Kazakhstan and Uzbekistan using the following methods: deductive data analysis, observation of changes in the structure of resources based on publicly available macroeconomic data. During the two decades of the 21st century, both countries experienced population growth which translated into an increased number of persons of working age. In...
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Lessons learned from developing an Industry 4.0 mobile process management system supported by Artificial Intelligence
PublikacjaResearch, development and innovation (RDI) projects are undertaken in order to improve existing, or develop new, more efficient products and services. Moreover, the goal of innovation is to produce new knowledge through research, and disseminating it through education and training. In this line of thinking, this paper reports and discusses the lessons learned from the undertaken project, regarding three areas: machine learning...
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CSR – A FASHION OR REAL COMMITMENT? THE CASE OF POLISH LISTED COMPANIES
PublikacjaThis article, without claiming to be the ultimate reference, aims at assessing the social commitment of the large and solid financially, listed on the Warsaw Stock Exchange (WSE), Polish companies, on the eve of the implementation of the EU directive on disclosure of non-financial and diversity information (2014/95/EU). The selected companies seem perfect to form a vanguard of CSR in Poland, but the results of the analysis indicate...
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Green analytical chemistry: Social dimension and teaching
PublikacjaGreen Analytical Chemistry (GAC) is the idea which every analytical chemist should be familiar of. Due to continuous improvement in the subject both from the aspects of theory and experimentation, the dynamic way analytical chemistry studies are evolving in the frame of chemistry degrees should not be surprising. Recently, many efforts have been made in order to include Green Chemistry principles to Education, also in the field...
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Wirówka geotechniczna - historia, modelowanie i współczynniki skali
PublikacjaRozwój modelowania zjawisk geotechnicznych w wirówce. Historia rozwoju urządzenia. Przyczyny wykorzystania wirówki geotechnicznej przez ośrodki naukowe i biura inżynieryjne. Obecny status urządzenia w edukacji i przemyśle. Podstawy teoretyczne badań modelowych w wirówce geotechnicznej. Lista wybranych zależności korelacyjnych. Przegląd i dyskusja wybranych współczynników skali.
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Uniwersytet na rozdrożu
PublikacjaW artykule pokazano różne postrzeganie społecznej odpowiedzialności uniwersytetu w literaturze przedmiotu. Omawiając pokrótce model uniwersytetu badawczego i przedsiębiorczego, starano się wyjaśnić źródła polaryzacji poglądów na miejsce i rolę uczelni oraz kierunek zmian, w którym powinny zmierzać. Korzystając z kwadrantów wiedzy D. Stokesa, zaproponowano ewolucję uniwersytetów w kierunku opisanym kwadrantem Pasteura. Podejmując...
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Comparison of centralized and decentralized preemption in MPLS networks
PublikacjaPreemption is one of the crucial parts of the traffic engineering in MPLS networks. It enables allocation of high-priority paths even if the bandwidth on the preferred route is exhausted. This is achieved by removing previously allocated low-priority traffic, so as enough free bandwidth becomes available. The preemption can be performed either as a centralized or a decentralized process. In this article we discuss the differences...
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Glaciers: The dynamic giants of cold regions
PublikacjaGlaciers, often described as nature’s formidable ice giants, are essential components of the Earth's cryosphere, with profound influence on the global water cycle, energy production, and landscape stability. These massive bodies of ice, formed over centuries from accumulated snow, are not just frozen relics of the past; they are dynamic systems that play a critical role in cold region environments. As the climate changes, understanding...
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THERMOMECHANICAL PERFORMANCE OF FLEXIBLE POLYURETHANE FOAMS AS A FUNCTION OF THE ISOCYANATE INDEX
PublikacjaPolyurethane foams are very versatile materials applied in different branches of industry. Their popularity is attributed, among others, to the flexibility in engineering their mechanical performance by the adjustment of their formulations. One of the most crucial factors is the isocyanate index, determining the ratio between the free hydroxyl and isocyanate groups present in the polyurethane system. By the change of this ratio,...
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Parametric method applicable in calculating breakout force and time for lifting axisymmetric objects from seabed.
PublikacjaThe issue of calculating parameters for lifting objects of axisymmetric shapes from the seabed is studied. The article presents the results of numerical simulation examination of the equation formulated by Foda for the force needed to extricate the object from the seabed depending on soil and water parameters, extrication speed, and object diameter. The simulations were performed within the range of parameters characteristic for...
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Multi-headed chimera states in coupled pendula
PublikacjaWe discuss the occurrence of the chimera states in the network of coupled, excited by the clock’s mechanisms pendula. We find the patterns of multi-headed chimera states in which pendula clustered in different heads behave differently (oscillate with different frequencies) and create different types of synchronous states (complete or phase synchronization). The mathematical model of the network shows that the observed chimera states...
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Establishing Relationships between Parameters of the controlled Compaction Soil by Using Various In-Situ Tests
PublikacjaThe aim of research was evaluating reliable correlations between chosen soil parameters describing state of surface layers of soil. The paper presents site comparative tests based on the light falling weight deflectometer (LFWD), the static plate load tester (VSS), the dynamic probing light tester (DPL) and the bearing ratio tester (CBR in-situ) with relationships between soil state parameters. All featured in-situ...
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Mathematical modelling and computer simulation of activated sludge systems.Second edition
PublikacjaMathematical Modelling and Computer Simulation of Activated Sludge Systems – Second Edition, provides, from the process engineering perspective, a comprehensive and up-to-date overview regarding various aspects of the mechanistic (“white box”) modelling and simulation of advanced activated sludge systems performing biological nutrient removal. In the new edition of the book, a special focus is given to nitrogen removal and an overview...
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Sea, River, Lake Ice Properties and Their Applications in Practices
PublikacjaThis Special Issue aims to highlight research articles focusing on the geographical scale of glacier and lake ice variations, as well as the engineering scale of ice properties and their practical applications via laboratory tests and numerical modeling. Additionally, it includes research on ecosystems under lake ice. The main goal is successfully achieved through the joint efforts of authors, anonymous reviewers, and editorial...
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Processing of point cloud data retrieved from terrestrial laser scanning for structural modeling by Finite Element Method
PublikacjaFinite Element Method is one most popular contemporary method of strength analysis. The method is an advanced method for solving differential equations, based on discretization, which means that area is divided into finite elements. Each finite element has a solution of the equation approximated by specific functions and performing the actual calculations only for nodes of this division. Finite Element Method is widely used in...