Search results for: OWL ONTOLOGIES

• Membrane Distillation of Saline Water Contaminated with Oil and Surfactants

  Publication

  • W. Tomczak
  • M. M. Gryta

  - Membranes - Year 2021

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• The application of membrane distillation for the concentration of oil-water emulsions

  Publication

  • M. Gryta
  • K. Karakulski

  - DESALINATION - Year 1999

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• Flow boiling of oil-refrigerant mixtures in smooth tubes

  Publication

  • J. Cieśliński
  • W. Targański

  - Year 2003

  Przedstawiono wyniki badań współczynnika przejmowania ciepła i spadku ciśnienia podczas wrzenia czynników R 22, R 134a i R 407C i ich mieszanin z olejem w rurach gładkich. Opisano procedurę badawczą. Udział masowy oleju w mieszaninie z czynnikiem wynosił 0,1% i 5%. Zaobserwowano negatywny wpływ obecności środka smarnego we wrzącym czynniku chłodniczym.

• Biodegradability of simulant fluids and crude oil in aquatic environment

  Publication

  • R. Bokotko
  • F. V. Hanson
  • R. Aranowski
  • J. Hupka

  - Year 2005

  Biodegradowalność symulantów płynów była oceniana poprzez pomiar CO2 (EPA 560/6-82-003). Badaniu poddawane były emulsyjne i nieemulsyjne symulanty ropy oraz lekka ropa naftowa typu A z Północnej Ameryki. Uzyskane wyniki wskazują na łatwą biodegradowalność obu symulantów w porównaniu do badanej ropy naftowej.

• Corrosion mechanisms in columns for atmospheric distillation of crude oil

  Publication

  • J. Orlikowski
  • R. Gospoś
  • T. Olczak
  • K. Darowicki

  - Ochrona przed Korozją - Year 2023

  The paper presents the most common corrosion processes occurring in the columns for atmospheric distillation of crude oil. It describes the mechanisms leading to formation of the chemical compounds, which contribute to corrosion phenomena. The main technological factors influencing corrosion processes have been indicated. The paper also presents the interactions between particular corrosion mechanisms resulting in acceleration...

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• Influence of lubricating oil improvers on performance of crankshaft seals

  Publication

  • P. Bzura

  - Polish Maritime Research - Year 2018

  This paper presents an original method for checking influence of lubricating oil improvers on performance of crankshaft seals of combustion piston engine. Crankshaft seals were tested with the use of a modified friction node of T-02 four- ball apparatus in laboratory conditions. The tests were conducted according to a worked-out algorithm. Their results confirmed usefulness of the method for determining „harmful” performance...

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• The Application of Satellite Image Analysis in Oil Spill Detection

  Publication

  • P. Tysiąc
  • T. Strelets
  • W. Tuszyńska

  - Applied Sciences-Basel - Year 2022

  In recent years, there has been an increasing use of satellite sensors to detect and track oil spills. The satellite bands, namely visible, short, medium infrared, and microwave radar bands, are used for this purpose. The use of satellite images is extremely valuable for oil spill analysis. With satellite images, we can identify the source of leakage and assess the extent of potential damage. However, it is not yet clear how to...

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• Zarządzanie wiedzą ontologiczną w środowisku semantycznego internetu

  Publication

  • K. Goczyła
  • P. Piotrowski
  • A. Waloszek
  • W. Waloszek
  • T. Zawadzka
  • M. Zawadzki

  - Year 2008

  W rozdziale zaprezentowano wyniki grupy badawczej Knowledge Management Group at Gdańsk University of Technology (KMG@GUT) w zakresie nowych metod reprezentacji i przetwarzania wiedzy sformułowanej w formie ontologii. Metody te wpisują się w aktualne kierunki rozwojowe inicjatywy Semantic Web: wykorzystują do zapisu ontologii logikę opisową (a więc są zgodne ze standardem OWL-DL), biorą pod uwagę rozproszenie wiedzy pomiędzy różne...

• High efficiency protocol of DNA extraction from Micromys minutus mandibles from owl pellets: a tool for molecular research of cryptic mammal species

  Publication

  • M. Buś
  • M. Żmihorski
  • J. Romanowski
  • L. Balčiauskienė
  • J. Cichocki
  • L. Balčiauskas

  - ACTA THERIOLOGICA - Year 2014

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• A model of an Ontology Oriented Threat Detection System (OOTDS)

  Publication

  • K. Bańczyk
  • H. Krawczyk

  - Year 2008

  Artykuł omawia projekt zorientowanego na ontologię systemu wykrywania zagrożeń (OOTDS) dla środowiska opisywalnego przez ontologię Bayesowską pierwszego rzędu wyrażoną w języku PR-OWL. Zakłada się, że środowisko monitorowane jest przez zbiór czujników dostarczających nieustannie systemowi OOTDS zdarzenia odzwierciedlające zmiany środowiska, wyrażone w specyficzny dla czujników sposób. Dedykowane moduły obsługi zdarzeń konwertują...

• Preparation, characterization and antimicrobial activity of polyvinyl alcohol/gum arabic/chitosan composite films incorporated with black pepper essential oil and ginger essential oil

  Publication

  • A. Amalraj
  • J. Haponiuk
  • S. Thomas
  • S. Gopi

  - INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES - Year 2020

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• Preparation, characterization and antimicrobial activity of polyvinyl alcohol/gum arabic/chitosan composite films incorporated with black pepper essential oil and ginger essential oil

  Publication

  • A. Amalraj
  • J. Haponiuk
  • S. Thomas
  • S. Gopi

  - INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES - Year 2020

  In this study, biocomposite films based on polyvinyl alcohol (PVA), gum arabic (GA) and chitosan (CS) incorporated with BPEO and GEO were fabricated by solvent casting method. FTIR, XRD, SEM and DSC were performed with mechanical and antimicrobial properties of PVA/GA/CS films with and without BPEO and GEO. The BPEO and GEO incorporated PVA/GA/CS films were significantly inhibited the growth of Bacillus cereus, Staphylococcus aureus,...

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• International Journal of Oil Gas and Coal Technology

  Journals

  ISSN: 1753-3309 , eISSN: 1753-3317

• Influence of cabbage juices on oxidative changes of rapeseed oil and lard

  Publication

  • M. Tynek
  • E. Szukalska
  • A. Bartoszek-Pączkowska

  - EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY - Year 2009

  Celem badań było określenie wpływu soków wyizolowanych z kapusty surowej i kiszonej na przemiany oksydatywne i termooksydatywne tłuszczów roślinnych (na przykładzie oleju rzepakowego podwójnie ulepszonego) i zwierzęcych (na przykładzie smalcu). Tłuszcze te ogrzewano w temperaturze 100 0C z sokami z kapusty w układzie modelowym przez 6 godzin, pobierając co 1,5 godz. próbki do badań.Po procesie ogrzewania tłuszczów w obecnosci soków...

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• The Application of Chitosan as a Modifier for Lubricating Greases Based on Vegetable Oil

  Publication

  • R. Kozdrach
  • J. Skowronski
  • R. Kozdrach

  - Tribology in Industry - Year 2019

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• AE testing of local corrosion in storage tanks of oil tankers

  Publication

  • H. Bugłacki
  • M. Smajdor
  • W. Darski
  • S. Malinowski

  - Marine Technology Transactions. Technika Morska - Year 2007

  W artykule przedstawiono wyniki badań korozji lokalnej w zbiornikach magazynowych zbiornikowców, przy użyciu metody Emisji Akustycznej. Badania wykrywania korozji wykonano z użyciem testerów, podczas produkcji których przyjęto założenie wysokiej intensywności sygnału oraz stabilności sygnału akustycznego w relatywnie długim czasie.

• OSL and RL of LiMgPO4 crystals doped with rare earth elements

  Publication

  • B. Marczewska
  • A. Sas-Bieniarz
  • P. Bilski
  • W. Gieszczyk
  • M. Kłosowski
  • M. Sądel

  - RADIATION MEASUREMENTS - Year 2019

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• Analysis of TL and OSL kinetics in lithium magnesium phosphate crystals

  Publication

  • W. Gieszczyk
  • D. Kulig
  • P. Bilski
  • B. Marczewska
  • M. Kłosowski

  - RADIATION MEASUREMENTS - Year 2017

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• Effect of lipid phase composition on autoxidation of water - in - oil emulsion

  Publication

  • H. Szeląg
  • A. Guzowska

  - Year 2010

  W pracy przedstawiono ocenę procesu autooksydacji emulsji W/O ze szczególnym uwzględnieniem składu fazy olejowej emulsji na postęp reakcji. Zbadano również wpływ wybranych antyoksydantów i emulgatorów na stabilność sporządzonych układów emulsyjnych.

• A new technology of crude vegetable oil degumming with rhamnolipid solutions

  Publication

  • I. E. Kłosowska-Chomiczewska

  - Year 2011

  A new technology of crude vegetable oil degumming is described. It is based on rhamnolipid biocomplex solution application for phosphatides removal. The rhamnolipid biocomplex produced by Pseudomonas sp. PS-17 was used as biosurfactant. Rapeseed oil was used in all experiments. First, it was degummed with H2SO4 in order to remove all phosphatides and then 1% (w/w) of granular soybean lecithin was added. Model oil was treated with...

• Concrete corrosion against penetration of mineral oil application of impregnants

  Publication

  • M. Kurpińska

  - Sovremennyj Naucznyj Vestnik - Year 2008

  Oleje stanowią związki organiczne, w skład których wchodzą kwasy tłuszczowe nasycone i nienasycone oraz gliceryny różnego rodzaju. W zależności od rodzaju i właściwości olejów agresywność ich w stosunku do betonu jest różna. Olej izoluje dostęp wody do składników betonu, dlatego nie następuje dalsza hydratacja i przyrost wytrzymałości. Przesycenie betonu olejami powoduje wskutek obniżenia tarcia wewnętrznego tworzywa obniżenie...

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• The influence of water and mineral oil on volumetric losses in a hydraulic motor

  Publication

  • P. Śliwiński

  - Polish Maritime Research - Year 2017

  In this paper volumetric losses in hydraulic motor supplied with water and mineral oil (two liquids having significantly different viscosity and lubricating properties) are described and comparison. The experimental tests were conducted using an innovative hydraulic satellite motor, that is dedicated to work with different liquid, including water. The sources of leaks in this motor are characterized and described also. On this...

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• Scuffing resistance of DLC-coated gears lubricated with ecological oil

  Publication

  • R. Michalczewski
  • W. Piekoszewski
  • M. Szczerek
  • W. Tuszynski
  • R. Michalczewski

  - Estonian Journal of Engineering - Year 2009

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• Resistance of Polypropylene Membrane to Oil Fouling during Membrane Distillation

  Publication

  • M. M. Gryta

  - Membranes - Year 2021

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• Rheological properties and stability of water in Canola oil ethyl esteremulsion.

  Publication

  • R. Bokotko
  • J. Hupka
  • F. V. Hanson

  - Year 2003

  Wyznaczono krzywe płynięcia i podatność na rozdział dla emulsji fazy wodnej w estrze etylowym oleju Canola. Właściwości te stanowią o podatności tej emulsji jako symulanta ropy naftowej w badaniach terenowych rozlewów olejowych.

• Optical measurements for thin oil film investigation in rheometric processes.

  Publication

  • R. Bogdanowicz
  • M. Gnyba
  • P. Wroczyński

  - Year 2004

  Przedmiotem badań jest pomiar parametrów cienkiej warstwy oleju silikonowego AK106, powstającej na ścianach dyszy w trakcie procesu reologicznego wyciskania do form past ceramicznych, przygotowywanych ze sproszkowanego tlenków wodorotlenków AlOOH oraz oleju AK106. Parametrami badanymi były: grubość warstwy oleju, charakterystyka reflektancyjna pasty oraz skład mieszaniny. Przedstawione zagadnienie ma istotne znaczenie dla rozwoju...

• Optical monitoring of thin oil film thickness in extrusion processes

  Publication

  • R. Bogdanowicz
  • P. Wroczyński
  • J. Graczyk
  • M. Gnyba

  - Year 2005

  Praca porusza problem pomiaru grubości cienkiej warstwy przyściennej -oleju, podczas procesu wyciskania ceramiki modelowej. Szczegółowo opisuje zjawiska fizyczne zachodzące w warstwie przyściennej oraz dynamiczne parametry wykorzystywane do oceny grubości. Autorzy opisują także metodę pomiaru oraz konstrukcję układów pomiarowych.

• Propagation Characteristics of Partial Discharges in an Oil-Filled Power Transformer

  Publication

  • S. M. Kameli
  • S. S. Refaat
  • A. Ghrayeb
  • H. Abu-Rub
  • J. Guziński

  - Year 2023

  Power transformers are among the most important assets in the power transmission and distribution grid. However, they suffer from degradation and possible faults causing major electrical and financial losses. Partial discharges (PDs) are used to identify the insulation health status and their degradation level. PDs are incipient, low-magnitude faults caused by localized dielectric breakdown. Those activities emit signals in many...

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• BPL-PLC Voice Communication System for the Oil and Mining Industry

  Publication

  • G. Debita
  • P. Falkowski-Gilski
  • M. Habrych
  • G. Wiśniewski
  • B. Miedziński
  • P. Jedlikowski
  • A. Waniewska
  • J. Wandzio
  • B. Polnik

  - ENERGIES - Year 2020

  Application of a high-efficiency voice communication systems based on broadband over power line-power line communication (BPL-PLC) technology in medium voltage networks, including hazardous areas (like the oil and mining industry), as a redundant mean of wired communication (apart from traditional fiber optics and electrical wires) can be beneficial. Due to the possibility of utilizing existing electrical infrastructure, it can...

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• OIL-ASSISTED THERMO-MECHANICAL RECLAMATION OF GROUND TIRE RUBBER

  Publication

  • A. Hejna
  • P. Kosmela
  • A. Olszewski
  • Ł. Zedler
  • K. Formela

  - Year 2021

  Nowadays, it is crucial to seek for the methods of by-products and waste utilization, considering both environmental and economic factors. The example of waste material generated in the massive amounts, which requires the attention is ground tire rubber generated during recycling of post-consumer car tires. It can be applied as a filler into different polymer matrices, but to enhance its effectivity proper modifications should...

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• RESEARCH ON HYDRODYNAMIC PEEK JOURNAL BEARINGS LUBRICATED WITH WATER AND OIL

  Publication

  • T. Żochowski
  • A. Olszewski
  • M. Wasilczuk

  - TRIBOLOGIA - Year 2023

  The main purpose of the research was to determine the possibilities and experimentally test the benefits of replacing conventional oil lubrication with ecological water lubrication. Tests were carried out on a test rig for hydrodynamic radial bearings under conditions representative of the expected applications for the bearing in water turbines. Bearings made from the polymer material PEEK (polyether ether ketone) were tested under static...

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• Experimental research on marine oil-lubricated stern tube bearing

  Publication

  • W. Litwin

  - PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY - Year 2019

  Bearings of propeller shafts are very crucial elements of the propulsion system of each of the ships. The safety of shipping depends on their durability and reliability. The new legal restrictions mean that today we are looking for environmentally friendly solutions. That is why water-lubricated bearings are becoming more and more popular. So, will oil-lubricated shaft bearings belong to the past? The bearing with a white metal...

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• The Influence of Water and Mineral Oil on Pressure Losses in Hydraulic Motor

  Publication

  • P. Śliwiński
  • P. Patrosz

  - Year 2021

  In this paper, pressure losses in hydraulic motor supplied with water and mineral oil (two liquids that have significantly different viscosity and lubricating properties) are described and compared. The experimental tests were conducted using a hydraulic satellite motor that is dedicated to working with different liquids, including water. The methodology of measuring the pressure drop in internal channels of this motor is also...

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• Lubricant property and rolling contact fatigue test of oil-in-water emulsion type HFA-E and oil Total Azolla 46 as working liquids in hydraulic systems

  Publication

  • P. Śliwiński

  - Year 2006

  W artykule scharakteryzowano i opisano wyniki badań własności smarnych wody destylowanej, emulsji wodno-olejowej typu HFA-E (1% oleju w wodzie) sporządzonej na bazie koncentratu Isosynth VX110BF, oleju Total Azolla 46 i samego koncentratu Isosynth VX110BF (tylko dla porównania z olejem, emulsją i wodą). W artykule pokazano wyniki badań pittingu z użyciem wody, emulsji i oleju jako środków smarnych. Ponadto w artykule przedstawiono...

• Influence and selection of basic concepts on ontology design

  Publication

  • T. M. Boiński
  • P. Orłowski
  • P. Szpryngier
  • H. Krawczyk

  - Year 2010

  Ontologies as entities representing individual point of view on surrounding world introduce heterogeneity to knowledge representation. Common set of core concepts can introduce similarity big enough for further interoperability between ontologies. In this paper an experiment is presented proving that despite differences in detail ontologies stay similar in regard of core concepts. During the experiments NOIA methodology enhanced...

• Number of own bank branches (2017)

  Open Research Data

  open access

  • P. Kasprzak

  The number of traditional bank branches is decreasing. As can be seen from the data presented in the table below, 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). None of the 20 largest...

• CLAY MINERALS – MINERALOGY AND PHENOMENON OF CLAY SWELLING IN OIL & GAS INDUSTRY

  Publication

  • B. Karpiński
  • M. Szkodo

  - Advances in Materials Science - Year 2015

  Among the minerals found in the earth's crust, clay minerals are of the widest interest. Due to the specific properties such as plasticity, absorbing and catalytic properties clay minerals are used in many industries (oil & gas, chemistry, pharmacy, refractory technology, ceramics etc.). In drilling, a phenomenon of swelling clays is frequently observed. It has an important impact on the cementing quality. During the last few decades...

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• Influence of nanoparticle concentration on thermal properties of thermal oil-MWCNT nanofluid

  Publication

  • J. Cieśliński
  • K. Krygier
  • S. Smoleń

  - Applied Mechanics and Materials - Year 2016

  Results of the measurements of dynamic viscosity, thermal conductivity, electrical conductivity and pH of thermal oil-MWCNT (TO-MWCNT) nanofluid have been presented. Nanoparticles were tested at the concentration of 0.001%, 0.005%, 0.01%, 0.05%, and 0,1% by weight. Thermal oil (TO) was selected as a base liquid, because of possible application in ORC systems as an intermediate heating agent. Multi-walled carbon nanotubes were used...

• Enantioselective comprehensive two-dimensional gas chromatography of lavender essential oil

  Publication

  • J. Krupčík
  • R. Gorovenko
  • I. Špánik
  • D. Armstrong
  • P. Sandra
  • M. Kaykhaii

  - Journal of Separation Science - Year 2016

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• Experimental research on helical coil biomass boiler with oil as a heating fluid

  Publication

  • T. Turzyński
  • D. Kardaś

  - Transactions of the Institute of Fluid-Flow Machinery - Year 2013

  This paper presents an experimental research of helical coil biomass boiler with thermal oil heating agent. Heat exchanger consists of two coaxial helical coils swept by the flue gases. The burner is a single vertical retort connected to the fuel tank (wooden pellets). The boiler is a part of micro-power plant in which the heat from the boiler is exchanged with low-boiling HFE7100 to produce steam for a custom steam turbine. The...

• Selection of the UV irradiation conditions for accelerated edible oil oxidation procedure.

  Publication

  • J. Gromadzka
  • W. Wardencki

  - Year 2009

  Celem badań było dobranie optymalnych warunków etapu naświetlania olejów roślinnych z zastosowaniem promieniowania ultrafioletowego. Dobrano powierzchnię naświetlania i grubość filmu oleju, a także odległość próbki oleju od źródła światła i moc promieniowania ultrafioletowego.Lotne produkty utleniania izolowano przy pomocy mikroekstrakcji do fazy stacjonarnej i rozdzielano z zastosowaniem chromatografii gazowej z detektorem płomieniowo-jonizacyjnym.

• INFLUENCE OF NANOPARTICLE CONCENTRATION ON THERMAL PROPERTIES OF THERMAL OIL-MWCNT NANOFLUID

  Publication

  • J. Cieśliński
  • K. Ronewicz

  - Year 2015

  This paper deals with measurements of dynamic viscosity, thermal conductivity, electrical conductivity and pH of thermal oil-MWCNT (TO-MWCNT) nanofluid. Nanoparticles were tested at the concentration of 0.001%, 0.005%, 0.01%, 0.05%, and 0,1% by weight. Ultrasonic vibration was used in order to stabilize the dispersion of the nanoparticles. Thermal oil (TO) was selected as a base liquid, because of possible application in ORC systems...

• Synergistic effect of fennel essential oil and hydrogen peroxide on bacterial biofilm

  Publication

  • P. Kwiatkowski
  • B. Grygorcewicz
  • A. Pruss
  • B. Wojciuk
  • S. Giedrys-Kalemba
  • B. Dołęgowska
  • H. Zielińska-Bliźniewska
  • J. Olszewski
  • M. Sienkiewicz
  • E. Kochan

  - Postępy Dermatologii i Alergologii - Year 2020

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• Effect of ionic strength on electrokinetic properties of oil/water emulsions with dipalmitoylphosphatidylcholine

  Publication

  • A. Wiącek

  - Colloids and Surfaces A: Physicochemical and Engineering Aspects - Year 2007

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• The influence of base oil type on the rheological properties of ecological lubricating greases

  Publication

  • R. Kozdrach

  - Nafta-Gaz - Year 2021

• Investigation of OSL signal of resistors from mobile phones for accidental dosimetry

  Publication

  • A. Mrozik
  • B. Marczewska
  • P. Bilski
  • W. Gieszczyk

  - RADIATION MEASUREMENTS - Year 2014

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• TL, OSL and RL emission spectra of RE-doped LiMgPO4 crystals

  Publication

  • A. Sas-Bieniarz
  • B. Marczewska
  • M. Kłosowski
  • P. Bilski
  • W. Gieszczyk

  - Journal of Luminescence - Year 2020

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• Comparative studies on OSL properties of LiMgPO4:Tb,B powders and crystals

  Publication

  • D. Kulig
  • W. Gieszczyk
  • B. Marczewska
  • P. Bilski
  • M. Kłosowski
  • A. Malthez

  - RADIATION MEASUREMENTS - Year 2017

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• The use of the transparotid approach for surgical treatment of condylar fractures – Own experience

  Publication

  • M. Sikora
  • T. Olszowski
  • M. Sielski
  • A. Stąpor
  • J. Janiszewska-Olszowska
  • D. Chlubek

  - JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY - Year 2015

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• Determiantion of optimal conditions for the isolation of oil from the fishing industry offal

  Publication

  • A. Głowacz-Różyńska
  • I. Kołodziejska

  - Year 2011

  Fish processing generates significant amounts of offal, which usually is converted into fodder meal or is stored into landfills. However, some part of this offal could serve as a source of valuable products, such as fish oil, collagen or gelatin. the aim of the study was to determine the conditions of oil isolation from salmon skins ensuring high yield and quality of the product.