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Search results for: GRATE BOILER
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Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [11020630022694651]
Open Research DataThis is the histopathological image of PANCREAS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [3300730069455341]
Open Research DataThis is the histopathological image of PANCREAS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Intraductal papillary mucinous neoplasm with low grade dysplasia - Male, 72 - Tissue image [11020630022693991]
Open Research DataThis is the histopathological image of PANCREAS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Andrzej Buller dr inż.
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Design analysis of combined gas-vapour micro power plant with 30 kW air turbine
PublicationThe article presents basic results of the design analysis of a combined gas-vapour micro power plant with a waste-heat boiler without exhaust reheat, working in the vapour section in the Organic Rankine Cycle (ORC) system. The analysis concerned working media most frequently used in those types of power plants and planned to be used in future. The object of the analysis was a micro power plant with a 30 kW gas (air) turbine for...
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Feasibility of combined diesel engine - steam turbine in power station operating in the maritime
PublicationCompression-ignition engines used in ship technology as main propulsion engines are large units reaching even to 50-60 MW. Currently, the efficiency of such engines amounts to 45-50%. With such a large power unit, exhaust gases leaving the engine contain very large quantities of heat available for further treatment. Exhaust gases from the piston engine contain about 25% of the heat supplied to the engine in the fuel. Using the...
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Design analysis of combined gas-vapour micro power plant with 30 kW air turbine
PublicationThe article presents basic results of the design analysis of a combined gas-vapour micro power plant with a waste-heat boiler without exhaust reheat, working in the vapour section in the Organic Rankine Cycle (ORC) system. The analysis concerned working media most frequently used in those types of power plants and planned to be used in future. The object of the analysis was a micro power plant with a 30 kW gas (air) turbine for...
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Tilting pad thrust bearing with novel material selection - experimental comparison of low and medium speed operation
PublicationThe advances in material engineering led to the development of hard carbon based coatings applied in numerous applications in order to prevent or minimize wear of the parts in contact. With Triondur® coatings, the bearing company Schaeffler has succeeded in halving the friction losses in the valve trains of passenger cars. The coatings are optimized for high abrasive wear protection and low sliding friction moments. Altogether...
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Load effect impact on the exploitation of concrete machine foundations used in the gas and oil industry
PublicationMachine foundations is a critical topic in the gas and oil industry, which design and exploitation require extensive technical knowledge. Machine foundations are the constructions which are intended for mounting on it a specific type of machine. The foundation has to transfer dynamic and static load from machine to the ground. The primary difference between machine foundations and building foundations is that the machine foundations...
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THE INFLUENCE OF PHASE SHIFTERS ON THE VOLTAGE STABILITY OF CONNECTED POWER SYSTEMS
PublicationThe paper presents the results of simulation tests of connected power systems in which phase shifters were installed on cross-border links. The analysis was carried out in terms of assessing the impact of shifters on node voltage stability. Individual systems were characterized by different balance of active power: deficit or excess. The evaluation of voltage stability was based on the dU/dQ and dU/dP criteria.
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Prioritising national healthcare service issues from free text feedback – A computational text analysis & predictive modelling approach
PublicationPatient experience surveys have become a key source of evidence for supporting decision-making and continuous quality improvement within healthcare services. To harness free-text feedback collected as part of these surveys for additional insights, text analytics methods are increasingly employed when the data collected is not amenable to traditional qualitative analysis due to volume. However, while text analytics techniques offer...
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Experimental investigation of two-phase thermosyphon heat exchanger charged with acetone
PublicationThis paper presents thermal characteristics of prototype of a two-phase thermosyphon heat exchanger (TPTHEx) charged with acetone as a working fluid. The TPTHEx consists of two horizontal cylindrical vessels connected by two risers and a downcomer. Tube bundles placed in the lower and upper cylinders work as an evaporator and a condenser, respectively. The tested TPTHEx operates in a vacuum. Therefore, the working liquid is boiled...
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Analysis and improvement attempt of prof. Alan Fowler’s negotiation game
PublicationThe main goal of the following article is to design an improved version of the negotiation game created by prof. Alan Fowler (Fowler, 1997). I have tried to achieve this by constructing four separate versions of the game which represent different approaches while preserving rules, chosen basic technical assumptions and the simplicity of the base game. Each version of the game is supposed to i.a. make it less obvious, create new...
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Determination of changes in viscosity of hydrogel depending on shear rate (1.1 to 55 s-1).
Open Research DataThe rheological characteristics of hydrogel were made on the basis of a viscosity measurement using a Brookfield viscometer, using LV SC4 - 25 spindle and shear rates from 1.1 to 55 s-1.
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Determination of changes in viscosity of hydrogel depending on shear rate (1.7 to 34 s-1).
Open Research DataThe rheological characteristics of hydrogel were made on the basis of a viscosity measurement using a Brookfield viscometer, using LV SC4 - 27 spindle and shear rates from 1.7 to 34 s-1.
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Average CIT rate in European Union countries in 2008, 2010, 2012, 2014 and 2016 (in%)
Open Research DataThe following data presents the average CIT rate in European Union countries between 2008-2016 .
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Determination of changes in viscosity of hydrogel depending on shear rate (6.6 to 330 s-1).
Open Research DataThe rheological characteristics of hydrogel were made on the basis of a viscosity measurement using a Brookfield viscometer, using LV SC4 - 18 spindle and shear rates from 6.6 to 330 s-1.
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Determination of changes in viscosity of poly(acrylic acid) PAA solutions depending on shear rate.
Open Research DataThe rheological characteristics of poly(acrylic acid) PAA solutions were based on viscosity measurements using a Brookfield viscometer, using LV SC4 - 27 spindles and shear rates from 1,7 to 39 s-1 (Fig. 1). PAA solutions with were prepared in water. The data allowed to characterize the used PAA and assess their functional parameters as rheology modifying...
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Electrophoretic Deposition of Chitosan/Eudragit E 100/AgNPs Coatings for Controlled Release of Antibacterial Substance
PublicationThe development of bacterial infection of the tissues surrounding an implant is one of the leading causes of implant surgery failure. In order to prevent the deposition of bacteria on the implant surface and the formation of biofilm, coatings that exhibit antibacterial properties are manufactured. However, the problem is the controlled release of the therapeutic substance from the coating over the extended life of the implant [1],...
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Mechanizmy komunikacji w rozproszonych systemach specjalnego przeznaczenia
PublicationZadania ochrony i bezpieczeństwa granic państwa realizowane przez Straż Graniczną wymagają wsparcia ze strony nowoczesnych systemów Technologii Informacyjnych (TI) uwarunkowanych ich specjalnym przeznaczeniem. Z uwagi na charakter tej służby, rozwiązania dla jej potrzeb muszą być realizowane jako systemy rozproszone umożliwiające przenoszenie i przetwarzanie informacji głosowych oraz różnorodnych danych, w tym specjalnego przeznaczenia....
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Strategy towards the use of ultrafiltration and reverse osmosis for industrial water recovery and reuse as part of the Green Deal Implementation
PublicationIn line with the European Parliament’s Resolution of February 10th, 2021 on the new action plan for a closed economy, most of the activities undertaken in the wastewater treatment process should focus on the search for new technologies that use wastewater as a source of water and nutrients. The paper reviews the concept of water reuse in industrial installations, with special emphasis on the use of membrane technologies for this...
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Papillary carcinoma of thyroid - Female, 62 - Tissue image [726072959449931]
Open Research DataThis is the histopathological image of THYROID GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Papillary carcinoma of thyroid - Female, 62 - Tissue image [3300730069422911]
Open Research DataThis is the histopathological image of THYROID GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Papillary carcinoma of thyroid - Female, 62 - Tissue image [7260729594497401]
Open Research DataThis is the histopathological image of THYROID GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Papillary carcinoma of thyroid - Female, 62 - Tissue image [7260729594497821]
Open Research DataThis is the histopathological image of THYROID GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Performance-driven yield optimization of high-frequency structures by kriging surrogates
PublicationUncertainty quantification is an important aspect of engineering design, as manufacturing toler-ances may affect the characteristics of the structure. Therefore, quantification of these effects is in-dispensable for adequate assessment of the design quality. Toward this end, statistical analysis is performed, for reliability reasons, using full-wave electromagnetic (EM) simulations. Still, the computational expenditures associated...
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Borders of Digital Art in the Context of the Information Society
PublicationThe article shows the relationship between the development of information technologies, the characteristics of the information society and digital art. The broad possibilities of the digital world related to recording, storing and processing data (cyber text, big data, smart services) and the creation of virtual worlds are pointed out. The influence of the development of information technologies on the character of the works of...
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Polish- Russian Cooperation of Pomorskie Province
PublicationPolish-Russian Cooperation of Pomorskie Province commenced in 1999 and was based on the intergovernmental agreements. The new agreement, executed between the authorities of the Pomeranian Province and Kaliningrad Oblast in 2002, provided for cooperation in many areas. The contacts between the partners were dominated by economic cooperation. The Polish-Russian cooperation stopped with Polish accession to the Schengen zone. Cooperation...
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Hybrid System for a Person Tracking in Harsh Indoor Environments
PublicationIn the article, the prototype of a system for a person tracking in a harsh indoor environment, especially when no other commercially available radiolocalization system can be used, was briefly described. The prototype realizes the data fusion, i.e. combines data from inertial and environmental sensors and radio distance measurements to estimate the position of a moving person. It is worth noting that the concept and practical realization...
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Selection of Electrode Material for Inconel 617/P92 Steel SMAW Dissimilar Welds
PublicationThe present work aimed to investigate the microstructure and mechanical properties of the dissimilar shielded metal arc welded (SMAW) joint of Alloy 617 and P92 steel for advanced ultrasupercritical boilers. The SMAW joint was produced using three different types of electrodes, namely, ENiCrFe-3, ENiCrMo-3, and ENiCrCoMo-1. During microstructural observation of the welded joints, no possible cracking was detected in the weldments....
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An approach to improving agility and discipline of software development with Scrum and CMMI
PublicationThe paper reports on two case studies of combining the Scrum methodology with the CMMI maturity model to improve together agility and discipline of software development. First, we propose the CMMI-Scrum reference model, which maps Scrum practices onto 123 practices of CMMI Staged level 2 and 3. Then, for 60% of CMMI practices, which are insufficiently covered by Scrum we extend Scrum with new practices that improve discipline while...
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Podeście do doskonalenia procesów w firmie informatycznej wspierane przez narzędzie Eclipse Process Framework Composer
PublicationArtykuł przedstawia podejście do doskonalenia procesów w mniejszych firmach informatycznych z wykorzystaniem narzędzia Eclipse Process Framework Composer. Podejście obejmuje modelowanie procesów wytwarzania oprogramowania w EPF Composer oraz wykorzystanie tych modeli do bieżącego zarządzania projektami w istniejących narzędziach wspomagających. Omówiono kroki wdrożenia rozwiązania, w tym sposób integracji modelu procesu z posiadanymi...
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Model rozwoju kompetencji kierowniczych w małych firmach informatycznych
PublicationW referacie przedstawiono wyniki badania nad rozwojem kompetencji kierowniczych w małych firmach IT. Omówiono badania ankietowe służące określeniu ważności poszczególnych kompetencji z modelu ICB organizacji IPMA dla małych firm. Na podstawie wyników ankiet wyróżniono trzy klasy ważności kompetencji kierowniczych dla typowej małej firmy IT, którą scharakteryzowano. Opracowana klasyfikacja może być podstawą rozwiązania doradczego...
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Improvement of Task Management with Process Models in Small and Medium Software Companies
PublicationSmall and medium software companies exhibit many special features that give reason for a dedicated approach to process improvement. They often cannot afford implementing maturity models or quality standards both in terms of time and money. Instead, they expect simpler solutions that can allow to run projects in more systematic and repeatable way, increase quality and knowledge management. In this paper, we present a method focused...
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Improving agility and discipline of software development with the Scrum and CMMI
PublicationThis study presents a method of combining the Scrum methodology with the CMMI maturity model to improve bothagility and discipline of software development. First, the authors propose the CMMI-Scrum reference model, which maps Scrumpractices onto 123 practices of CMMI staged levels 2 and 3. For 60% of CMMI practices, which are insufficiently covered byScrum they add new practices that improve discipline while maintaining agility....
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Łączenie zwinności metodyki Scrum z dojrzałością modelu CMMI
PublicationW rozdziale przedstawiono podejście do łączenia zwinności metodyki Scrum oraz dojrzałości modelu CMMI. Na początku krótko omówiono metodykę Scrum oraz model dojrzałości CMMI. Następnie zaproponowano model odniesienia praktyk metodyki Scrum do praktyk modelu CMMI. Dla praktyk CMMI nierealizowanych częściowo bądź w pełni przez metodykę Scrum zaproponowano dodatkowe praktyki, które nie przytłaczając zwinności wprowadzają odpowiedni...
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Metoda TrustCritic oceny wiarygodności sklepów internetowych
PublicationW artykule przedstawiono metodę oceny wiarygodności sklepów internetowych TrustCritic. Powszechnie występujące nadużycia w handlu elektronicznym sprawiają, że zaufanie do przedsiębiorcy staje się kluczowym czynnikiem decyzji konsumentów. Przedsiębiorca narażony jest na niezgodność z prawem, utratę wizerunku i klientów. Artykuł omawia problematykę nadużyć w sferze e-biznesu oraz proponuje wielokryterialny model oceny sklepu internetowego,...
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Rozwój technik chromatograficznych- zastosowanie w polskich laboratoriach zajmujacych sie analizą farmaceutyczną
PublicationZależność ta znajduję odzwierciedlenie w postaci publikacji na łamach polskich czsopism zawodowych. Ich prześledzenie ukazuje proces percepcji najnowszych, światowych zdobyczy w dziedzinie chromatografii na rodzimym gruncie, W artyle przedstawiono kamienie milowe w rozwoju technik chromatograficznych w aspekcie ich wykorzystania w polskich laboratoriach farmaceutycznych.
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Techniki chromatograficzne i pokrewne w farmakopeach polskich
PublicationOpierając się na informacjach zawartych w pracach oryginalnych, zamieszczonych w farmaceutycznych czasopismach zawodowych, można wnioskowa o zmianachw wyposażeniu tych laboratoriów, co z kolei związane jest z ogólnym postępem i rozwojem zarówno calej chemii analitycznej, jak i analizy instrumentalnej w szczególności. Ewolucję tę można również przedstawić , korzystając z informacji zawartych w opracowaniach wchodzących w skład...
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CHROMATOGRAPHIC TECHNIQUES IN PHARMACEUTICAL ANALYSIS IN POLAND: HISTORY AND THE PRESENCE ON THE BASIS OF PAPERS PUBLISHED IN SELECTED POLISH PHARMACEUTICAL JOURNALS IN XX CENTURY
PublicationFor a long time, chromatographic techniques and techniques related to them have stimulated the development of new procedures in the field of pharmaceutical analysis. The newly developed methods, characterized by improved metrological parameters, allow for more accurate testing of, among others, the composition of raw materials, intermediates and final products. The chromatographic techniques also enable studies on waste generated...
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Limitations of Emotion Recognition in Software User Experience Evaluation Context
PublicationThis paper concerns how an affective-behavioural- cognitive approach applies to the evaluation of the software user experience. Although it may seem that affect recognition solutions are accurate in determining the user experience, there are several challenges in practice. This paper aims to explore the limitations of the automatic affect recognition applied in the usability context as well as...
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Designing effective educational games - a case study of a project management game
PublicationThis paper addresses the issues of designing effective educational games. We aim at investigating how the cognitive, behavioral and emotional aspects of the games influence their educational effectiveness. The results were obtained with an observational user experience study extended with affect analysis carried out for a project management game GraPM. We analyzed the...
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Studium porównawcze ergonomii rich internet applications i aplikacji systemowych
PublicationW referacie poszukuje się odpowiedzi na pytanie, czy coraz częstsze zastępowanie aplikacji systemowych wzbogaconymi aplikacjami internetowymi (skr. ang. RIA) nie dzieje się kosztem ergonomii i wygody użytkowania. Artykuł przedstawia porównanie ergonomii interfejsów użytkownika aplikacji RIA i aplikacji systemowych. We wstępie wprowadzono w zagadnienie ergonomii oraz wskazano na charakterystyczne cechy aplikacji RIA. Następnie zaproponowano...
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A comprehensive overview of software product management challenges
PublicationThe principal focus of software product management is to ensure the economic success of the product, which means to prolong the product life as much as possible with modest expenditures to maximizs profits. Software product managers play an important role in the software development organization while being responsible for the strategy, business case, product roadmap, high-level requirements, product deployment (release-management),...
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The Role of a Software Product Manager in Various Business Environments
PublicationThe aim of the paper is to identify the role of the software product manager depending on the size of the company and the characteristics of the product they are working on. This has been achieved in cooperation with 15 experts from the IT industry. The companies were divided into 4 levels of size: micro-enterprises, small businesses, medium businesses and large enterprises. The characteristics of the products were divided into...
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Problems and Solutions of Software Design in Scrum Projects
PublicationThe aim of the paper is to identify the problems and solutions of the software design in Scrum project as well as to analyze the effectiveness of the solutions. Through a series of workshops with 4 experts from IT industry and academia we have identified 52 problems and 99 unique solutions. In this paper we present a list of 10 common problems and 5 solutions for each problem selected by the number of sources. The effectiveness...
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Druga edycja Konferencji Inżynierii Oprogramowania beIT
PublicationW dniach 18–20 marca 2016 roku na Wydziale Elektroniki, Telekomunikacji i Informatyki odbyła się II Konferencja Inżynierii Oprogramowania beIT. Podobnie jak pierwszą edycję Konferencji beIT, tegoroczne spotkanie zorganizowało Koło Naukowe Zarządzanie IT przy wsparciu Katedry Inżynierii Oprogramowania, WETI oraz JM Rektora PG. Do przeprowadzenia 15 warsztatów, 4 sesji dyskusyjnych round tables oraz 5 wykładów organizatorzy zaprosili...
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Identification of the Agile Mindset and Its Comparison to the Competencies of Selected Agile Roles
PublicationIn this paper we present the results of the identification and evalua-tion of the elements of an agile mindset as well as its comparison to the compe-tence models for the roles of Scrum Master, Product Owner and agile analyst. We have identified 70 unique agile mindset elements from literature and 5 in-terviews with experts. Based on an opinion survey among 52 agile practitioners we evaluated the importance of 26 selected elements...
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Prosty aparat wykorzystujący technologię osmozy odwróconej do zagęszczania rodzimego soku brzozowego
PublicationW pracy przedstawiono prosty aparat laboratoryjny wykorzystujący technikę osmozy odwróconej, przewidziany do zagęszczania wiosennego soku brzozowego. Wyznaczono punkt pracy urządzenia i przetestowano go na syntetycznym soku drzewnym. Dokonano trójetapowego zagęszczenia pięciu próbek soku naturalnego przy jednoczesnym monitorowaniu procesu. Uzyskano ponad trzykrotne zagęszczenie soku, co dało produkt finalny zawierający 3,7 % suchej...
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On the Agile Mindset of an Effective Team – An Industrial Opinion Survey
PublicationIn this paper we present the results of an opinion survey among 52 agile practitioners who evaluated the importance of 26 selected elements of the agile mindset to the effectiveness of an agile team. In total, we have identified 70 unique agile mindset elements based on 11 literature sources and 5 interviews with industry experts. 7 elements belonged to the “support for business goals” category, 20 to the “relationships within...