Wyniki wyszukiwania dla: ACETABULAR CUP

• Tensile test of 1.4541 / X6CrNi18-10 / AISI 321 grade austenitic steel

  Dane Badawcze

  open access

  • J. Kowalski

  Ship structures and their components are build mainly of steel. Hull steel is used to build the hull structure. Some structural elements, such as RSW (Refrigerated See Water) tanks, or LNG (Liquid Natural Gas) tanks - gas transported at temperatures below -162° C, are build from austenitic steels. Austenitic steels have a different microstructure and...

• Dispiro[cyclopropane-1,50-endo-tricyclo-[5.2.1.02,6]deca-3,8-diene-100,100-cyclopropane]

  Publikacja

  • R. Grubba
  • Ł. Ponikiewski
  • J. Pikies

  - ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE - Rok 2010

  The title compound, C14H16, is built up from three fivememberedrings. Two of the five-membered rings display anenvelope conformation and the third one is almost planar(r.m.s. deviation = 0.014 A ° ).

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• AlP compound and P-doping for promotion of electrocatalytic activity of N-doped carbon derived from metal-organic framework

  Publikacja

  • K. Sielicki
  • X. Chen
  • E. I. Mijowska
  • A. Matlak

  - JOURNAL OF ALLOYS AND COMPOUNDS - Rok 2024

  Water splitting plays a key role in future fuels, where two processes occur - the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER). Nitrogen-doped carbon derived from...

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• Calculation of the Effects of Implementing a DSM Electricity Demand Management Strategy Using the Example of Analysis of Changes in the Power System Load

  Publikacja

  • W. Stahl
  • P. Bućko

  - Acta Energetica - Rok 2019

  The paper presents the impact of implementing Demand Side Management (DSM) solutions through proper management and control of the process of charging and discharging electric car batteries. As a result, the daily load curves were shaped so as to fill valleys and cut down peaks. Therefore, the implementation of power demand management solutions had a significant impact on the power system operation. The impact of DSM solutions manifested...

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• New trends in development of micro heat exchangers for ORC's

  Publikacja

  • J. Mikielewicz
  • D. Mikielewicz
  • W. Rybiński

  - Rok 2014

  In the paper, new trends in development of micro heat exchangers for CHP are presented. Main attention is concentrated on the question, how channels size and thermal development lenght affect the heat transfer. New types of micro heat exchangers developed at the Institute of Fluid-Flow Machinery PAS and the methoda of their design are presented. The new experimental testing methods of the micro-channel heat exchangers, new algorithms...

• Modeling and Simulation for Exploring Power/Time Trade-off of Parallel Deep Neural Network Training

  Publikacja

  • P. Rościszewski

  - Procedia Computer Science - Rok 2017

  In the paper we tackle bi-objective execution time and power consumption optimization problem concerning execution of parallel applications. We propose using a discrete-event simulation environment for exploring this power/time trade-off in the form of a Pareto front. The solution is verified by a case study based on a real deep neural network training application for automatic speech recognition. A simulation lasting over 2 hours...

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• DDLMS PCR double digestion Ligation Mediated Suppression PCR - a new technique for bacterial specific differentiation

  Publikacja

  • K. Stojowska
  • B. Krawczyk
  • J. Kur

  - Acta Biochimica Polonica - Rok 2011

  A new diagnostic kit for K. oxytoca specific differentiation based on ddLMS PCR (ang. double digest ligation Mediated PCR) technique is shown. As a species-specific DNA fragment pehX gene, encoding the enzyme polygalactouronase, was chosen. The genome sequence of K. oxytoca is digested with two endonucleases: AclI and BclI which cut DNA before and after pehX gene. The polymorphic DNA fragments are ligated with AclI-end-specific...

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• Metabolic transformation of antitumor agent C1311 with various fractions of rat liver.

  Publikacja

  • A. Wiśniewska
  • Z. Mazerska
  • J. Konopa

  - Rok 2004

  Wykazano, że enzymatyczna aktywacja jest konieczna dla aktywności bilogicznej pochodnej C-1311. Zbadano przemiany związku w obecności różnych frakcji enzymatycznych mikrosomalnych komórek wątroby szczura.Badania te wykazały, że związek C-1311 jest bardziej podatny na transformację pod wpływem frakcji aktywowanych enzymów mikrosomalnych (CYP1A, CYP2B, CYP3A i CYP4A) niż frakcji S9, cytozolowej czy mikrosomów nieaktywowanych. Związek...

• Wzorce identyfikacji ryzyka w projektach informatycznych

  Publikacja

  • J. Miler
  • J. Górski

  - Rok 2003

  Artykuł prezentuje systematyczne podejście do identyfikacji ryzyka w projek-tach informatycznych, oparte na wzorcach ryzyka. Podejście zakłada jawne mo-delowanie rozważanego obszaru biznesowego, co pozwala na kontrolę zakresuidentyfikacji i zapewnia kompletność analiz. W artykule zastosowano to po-dejście wykorzystując RUP jako model odniesienia dla procesów wytwarzania o-programowania. Następnie omówiono eksperyment, w którym...

• Implementation of TVDI calculation for coastal zone

  Publikacja

  • T. Bieliński

  - Rok 2015

  Paper will show an implementation of TVDI (Temperature-Vegetation-Dryness Index) algorithm on GPU (Graphics Processing Unit). Calculation of this index is based on LST (Land Surface Temperature) and NDVI (Normalized Difference Vegetation Index). Discussed results are based on multi-spectral imagery retrieved from AVHRR3 sensors for area of Poland, especially from region of Gdańsk coastal zone. All phases of TVDI implementation...

• XRD patterns of ammonium vanadate nanocrystals

  Dane Badawcze

  open access

  • M. Prześniak-Welenc
  • M. Nadolska-Dawidowska
  • J. Ryl

  - seria: Ammonium vanadate

  The DataSet contains the XRD patterns of ammonium vanadate nanobelts obtained by the hydrothermal method with different conditions. The results show that the structure and phase compositions of samples dependent on reaction conditions.

• Time period when graduates of Gdańsk University of Technology start work after graduation – years 2015-2018

  Dane Badawcze

  open access

  • M. Tomczak
  • M. Downar

  The dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2015-2018 on time period when they start work after graduation. The survey was conducted in the period from 2017 to 2020, two years after the respondents obtained graduate status. The research sample included 7409 respondents. To summarize, the Gdańsk...

• XRD patterns of VO2 and V6O13 nanostructures

  Dane Badawcze

  open access

  • M. Prześniak-Welenc
  • B. Kościelska
  • J. Ryl

  - seria: Vanadium oxides

  The DataSet contains the XRD patterns of  VO2 and V6O13 thin films deposited on a silicon substrate. The as-prepared thin films were annealing under a reducing atmosphere (94% Ar, 6% H2) at 500, 600 and 700C for 10h. 

• XRD patterns of V2O5 thin film morphology dependent on substrate types

  Dane Badawcze

  open access

  • M. Prześniak-Welenc
  • B. Kościelska
  • J. Ryl

  - seria: Vanadium oxides

  The DataSet contains the XRD patterns of the V2O5 thin film structure dependent on substrate types. The as-prepared thin films were deposited on alumina, zirconium, zirconium oxide and metallic vanadium substrate, then was annealing under an oxidizing atmosphere at 600C for 10h. 

• XRD patterns of V2O5 nanostructures

  Dane Badawcze

  open access

  • M. Prześniak-Welenc
  • B. Kościelska
  • J. Ryl

  - seria: Vanadium oxides

  The DataSet contains the XRD patterns of vanadium pentaoxide nanostructures obtained by the sol-gel with different annealing temperatures under synthetic air. The results show that crystallinity dependent on the annealing temperature.

• The 3d Ce XPS spectra of Ce0.9M0.1O2

  Dane Badawcze

  embargo

  • A. Ducka
  • M. Łapiński
  • B. Bochentyn

  - seria: Ceria

  The dataset consists of 3d Ce XPS of Ce0.9M0.1O2 where (M=Mn, Fe, Co, Ni, Cu). X-ray Photoelectron Spectroscopy analysis (XPS) was performed using X-ray photoelectron spectrometer Omnicron NanoTechnology with 128-channel collector. XPS measurements were undertaken in ultra-high vacuum conditions, below 1.1x10-8 mbar. Photoelectrons were excited by an...

• The XRD diffraction patterns of annealed Ce0.9M0.1O2 powders prepared using the reverse microemulsion method

  Dane Badawcze

  embargo

  • A. Ducka
  • B. Bochentyn

  - seria: Ceria

  The dataset includes XRD patterns of Ce0.9M0.1O2 (where M=Mn, Fe, Co, Ni, Cu) nanopowders prepared using the reverse microemulsion method. The powders were precipitated from organic-based solution of nitrates using TMAOH. The sediment was cetrifuged and rinsed with alcohol several times. Powders were dried and calcinated at 500 degrees for 2 h, followed...

• XRD patterns of vanadium oxide nanostructures on silicon substrate obtained by V2O5 recrystallization

  Dane Badawcze

  open access

  • M. Prześniak-Welenc
  • B. Kościelska
  • J. Ryl

  - seria: Vanadium oxides

  The DataSet contains the XRD patterns of vanadium oxide nanostructures on silicon substrates obtained by recrystallization of V2O5 thin films between 800-1200°C under synthetic air.  The thin films were obtained by the sol-gel method.  The information about sol synthesis is described in the Journal of Nanomaterials. 

• Discount for children deducted from tax in selected EU countries, available according to number of children criterion (in EUR) in 2017

  Dane Badawcze

  open access

  • P. Kasprzak

  When analyzing the collected data, it should be indicated that the amount of tax preferences addressed to families with children varies widely and ranges from several hundred euro to even several tens of thousands of euro relief annually. The highest family allowances, calculated in absolute terms, are in Germany, and the lowest in Poland. All countries,...

• XRD patterns of VO2 and V2O3 thin films obtained at 500°C

  Dane Badawcze

  open access

  • M. Prześniak-Welenc
  • B. Kościelska
  • J. Ryl

  - seria: Vanadium oxides

  The DataSet contains the XRD patterns of VO2 and V2O3 thin films obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The thin films with different thicknesses (3-9 AsP layers) were deposited on a silicon substrate and were annealing at  500°C  under an argon atmosphere. 

• XRD patterns of vanadium oxide nanostructures on quartz glass substrate obtained by V2O5 recrystallization

  Dane Badawcze

  open access

  • M. Prześniak-Welenc
  • B. Kościelska
  • J. Ryl

  - seria: Vanadium oxides

  The DataSet contains the XRD patterns of vanadium oxide nanostructures on quartz glass substrates obtained by recrystallization of V2O5 thin films between 800-1200°C under synthetic air.  The thin films were obtained by the sol-gel method.  The information about sol synthesis is described in the Journal of Nanomaterials. 

• XRD patterns of VO2 and V2O3 thin films obtained at 700°C

  Dane Badawcze

  open access

  • M. Prześniak-Welenc
  • B. Kościelska
  • J. Ryl

  - seria: Vanadium oxides

  The DataSet contains the XRD patterns of VO2 and V2O3 thin films obtained by the sol-gel method. The information about sol synthesis is described in the Journal of Nanomaterials. The thin films with different thicknesses (5-9 AsP layers) were deposited on a silicon substrate and were annealing at  700°C  under an argon atmosphere. 

• XRD patterns of VO2 and V2O3 nanostructures

  Dane Badawcze

  open access

  • M. Prześniak-Welenc
  • B. Kościelska
  • J. Ryl

  - seria: Vanadium oxides

  The DataSet contains the XRD patterns of VO2 and V2O3 nanostructures obtained by the sol-gel with different reaction conditions. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The xerogel powder was annealing under argon atmosphere in the temperature range 400-1000C. The results show that the morphology...

• XPS study of the TiO2-WO2 composites

  Dane Badawcze

  open access

  • M. Łapiński

  Valence state of W and Ti was measured in a TiO2-WO3 composites with a various composition.Powder samples of pure titanium dioxide, tungsten oxide and mix of 50% titanium oxide and 50% od tungsten oxide were measured.  Oxides were annealed at the temperature in the range of 300 Celsius degree up to 900 deg. Measurements were performed by XPS UHV Omicron...

• Magdalena Szuflita-Żurawska

  Osoby

  Politechnika Gdańska, Sekcja Informacji Naukowo-Technicznej, Biblioteka PG

  Magdalena Szuflita-Żurawska jest kierownikiem Sekcji Informacji Naukowo-Technicznej na Politechnice Gdańskiej oraz Liderem Centrum Kompetencji Otwartej Nauki przy Bibliotece Politechniki Gdańskiej. Jej główne zainteresowania badawcze koncentrują się w obszarze komunikacji naukowej oraz otwartych danych badawczych, a także motywacji i produktywności naukowej. Jest odpowiedzialna między innymi za prowadzenie szkoleń dla pracowników...

• Circular polarization diversity implementation for correlation reduction in wideband low-cost multiple-input-multiple-output antenna

  Publikacja

  • U. Ullah
  • M. Al-hasan
  • S. Kozieł
  • I. Mabrouk

  - IEEE Access - Rok 2020

  In this paper, a multiple-input-multiple-output (MIMO) antenna featuring circular polarization diversity, and designed on a common coplanar ground is presented. The proposed antenna design utilizes a coplanar waveguide (CPW) feeding technique with three parallel coplanar ground planes, and two feedlines in-between. For circular polarization (CP), quasi-loops are created by etching slots on the outermost ground planes. With this...

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• A Geometrically Simple Compact Wideband Circularly Polarized Antenna

  Publikacja

  • U. Ullah
  • S. Kozieł
  • I. Mabrouk

  - IEEE Antennas and Wireless Propagation Letters - Rok 2019

  A compact broadband wide-slot circular polarization (CP) antenna is proposed. An inverted L-shape parasitic strip at the open end of a microstrip line extension and a slot modification is applied to attain wideband CP. The advantage of this technique is simplicity which makes it readily re-designable for different frequency bands. To demonstrate the concept, three designs working at different frequencies are obtained. The redesign...

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• Multi-agent large-scale parallel crowd simulation with NVRAM-based distributed cache

  Publikacja

  • A. Malinowski
  • P. Czarnul

  - Journal of Computational Science - Rok 2019

  This paper presents the architecture, main components and performance results for a parallel and modu-lar agent-based environment aimed at crowd simulation. The environment allows to simulate thousandsor more agents on maps of square kilometers or more, features a modular design and incorporates non-volatile RAM (NVRAM) with a fail-safe mode that can be activated to allow to continue computationsfrom a recently analyzed state in...

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• Experimental and Quantum Chemical Evaluation of 8-Hydroxyquinoline as a Corrosion Inhibitor for Copper in 0.1 M HCl

  Publikacja

  • H. Gerengi
  • M. Mielniczek
  • G. Gece
  • M. Solomon

  - INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH - Rok 2016

  The corrosion inhibition properties of 8-hydroxyquinoline (8-HQ) in 0.1 M HCl for copper have been investigated by using experimental (electrochemical impedance spectroscopy (EIS), dynamic electrochemical impedance spectroscopy (DEIS), and potentiodynamic polarization) and theoretical methods complemented by surface morphological examination with the aid of scanning electron microscopy (SEM) and electron dispersive X-ray spectroscopy...

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• Copper(II) complexes with substituted imidazole and chlorido ligands: X-ray, UV-Vis, magnetic and EPR studies and chemotherapeutic potential

  Publikacja

  • S. Godlewska
  • J. Jezierska
  • K. Kazimierczuk
  • E. Augustin
  • A. Dołęga

  - POLYHEDRON - Rok 2013

  Crystal structures, UV-Vis and EPR spectra and magnetic properties of four copper(II) complexes with chloride anions and 4-methylimidazole, 2-ethylimidazole, 2-isopropylimidazole or 2-ethyl-4-methylimidazole are described. In the solid state three of the complexes are mononuclear and one complex with 2-ethylimidazole is binuclear with bridging chlorido ions. UV-Vis spectra of the methanolic solutions of the complexes show LMCT...

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• In Vitro Dissolution of Na-Ca-P-Oxynitrides

  Publikacja

  • N. A. Wójcik
  • P. Sinitsyna
  • S. Ali
  • L. Hupa
  • B. Jonson

  - Materials - Rok 2021

  : Sodium-calcium-phosphate based oxynitride glasses and glass-ceramics doped with Mg, Si, and Nb were studied in vitro in simulated body fluid (SBF) under static conditions. The release of ions and pH changes up to 7 days of immersion were investigated. The nitrogen incorporation into phosphate glass matrix was found to notably influence in vitro dissolution only of homogenous glasses. Increasing the nitrogen content in the samples...

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• The role of slowly biodegradable substrate in a full-scale biological nutrient removal activated sludge systems

  Publikacja

  • J. Drewnowski
  • J. Mąkinia

  - Rok 2010

  This paper contains futher results obtained at ''Wschod'' WWTP in Gdańsk under transient conditions (spring season) and comparation of similar experiments carried out at a recently upgraded ''Debogorze'' WWTP in Gdynia. The removal of colloidal and particulate fractions resulted in similar effects (reduced process rates) at both plants. For example, the initial denitrification rates (NUR1) were up to 30% lower during the ''conventional''...

• Application of INAA and ETAAS techniques for human samples analysis in evaluation of the impact of Gdansk Phosphatic Fertilizer Plant on its workers

  Publikacja

  • E. Witkowska
  • A. Astel
  • M. Biziuk
  • M. V. Frontasyeva
  • O. Culicov
  • P. Bode

  - Rok 2003

  W pracy przedstawiono wyniki badań wpływu Gdańskich Zakładów Nawozów Fosforowych na zdrowie pracowników. Oznaczano stężenia (techniką INAA) Al, As,Au, Br, Ca, Cl, Cu, Dy, I, In, K, La, Mg, Mn, Mo, Na, S, Sb, Sm, Ti, U, V,W, Zn we włosach, paznokciach i filtrach z pyłem zebranych od 21 pracowników fabryki oraz 5 osób z grupy kontrolnej nie związanej z zakładem. Ponadto oznaczono Cd, Cr, Cu, Fe, Mo, Ni i Zn w moczu przy użyciu...

• Zagospodarowanie ciepła odpadowego z biogazowych agregatów kogeneracyjnych w oczyszczalni ścieków

  Publikacja

  • M. Bajor
  • J. Wajs
  • D. Mikielewicz

  - Rynek Energii - Rok 2016

  W pracy opisano koncepcję współpracy biogazowych modułów kogeneracyjnych z niskotemperaturowym obiegiem parowym. Proponowana modernizacja pozwoliłaby na wykorzystanie entalpii fizycznej spalin, tym samym zwiększając sprawność urządzeń wytwarzających ciepło i energię elektryczną. Tego typu rozwiązanie umożliwiłoby częściowe pokrycie zapotrzebowania własnego na energię elektryczną, generując oszczędności w przedsiębiorstwie. W artykule...

• Zagospodarowanie ciepła odpadowego z biogazowych agregatów kogeneracyjnych w oczyszczalni ścieków = Waste heat utilisation from cogeneration set in sewage plant

  Publikacja

  • M. Bajor
  • J. Wajs
  • D. Mikielewicz

  - Rok 2016

  W pracy opisano koncepcję współpracy biogazowych modułów kogeneracyjnych z niskotemperaturowym obiegiem parowym. Proponowana modernizacja pozwoliłaby na wykorzystanie entalpii fizycznej spalin, tym samym zwiększając sprawność urządzeń wytwarzających ciepło i energię elektryczną. Tego typu rozwiązanie umożliwiłoby częściowe pokrycie zapotrzebowania własnego na energię elektryczną, generując oszczędności w przedsiębiorstwie. W artykule...

• Redukcja czasu analizy MZP przez ograniczenie rozmiaru rozwiązania

  Publikacja

  • G. Gołaszewski

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Rok 2013

  Analiza drzew niezdatności jest uznaną metodą analizy bezpieczeństwa systemów. Notacja ECSDM pozwala definiować zależności czasowe między zdarzeniami drzewa oraz przeanalizować je w celu określenia zależności pomiędzy zdarzeniami z Minimalnych Zbiorów Przyczyn (MZP). Dzięki wprowadzeniu klasyfikacji zdarzeń z MZP można wyodrębnić zależności czasowe istotne dla zapobiegania wywoływania hazardu przez konkretny MZP. Pozostałe zależności...

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• Continuum orbitals in low energy scattering of electrons from Ar, Kr, Xe, Rn and Og atoms

  Dane Badawcze

  open access

  • P. Syty
  • M. Piłat
  • J. Sienkiewicz

  The dataset includes relativistic continuum electron wave functions (continuum orbitals, continuum spinors) for elastic scattering of electrons from Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn) and Oganesson (Og) atoms, calculated using the Multiconfiguration Dirac-Hartree-Fock method (MCDHF), at very low electron energies (0.0001 - 0.001 eV). Only...

• Bromidotetrakis(2-isopropyl-1Himidazole-kN3)copper(II) bromide

  Publikacja

  • S. Godlewska
  • J. Socha
  • K. Kazimierczuk
  • A. Dołęga

  - ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE - Rok 2011

  Atom Cu(II) w tytułowym kompleksie jest skoordynowany przez cztery atomy N obojętnych cząsteczek imidazolu oraz jon bromkowy. Jon kompleksowy ma geometrię piramidy kwadratowej.

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• A quasi-2D small-signal MOSFET model - main results

  Publikacja

  • W. Kordalski

  - Rok 2014

  Main results stemming from a new quasi 2D non-quasi-static small-signal four-terminal model of the MOSFET are presented in this work. The model is experimentally verified up to 30 GHz.

• Electron-impact ionization cross section calculations for selected ribonucleosides

  Publikacja

  • P. Możejko

  - Journal of Physics : Conference Series - Rok 2020

  Total cross sections for the single electron-impact ionization of selected ribonuclosides (guanosine, adenosine, cytidine and uridine) have been calculated for electron energies ranging from the ionization threshold up to 5 keV.

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• The Possibility to use a Nuclear Power Plant as a Source of Electrical Energy and Heat

  Publikacja

  • T. Minkiewicz
  • A. Reński

  - Acta Energetica - Rok 2014

  In this article issues concernig the possibility of nuclear power plant (NPP) operation also as a source of heat, which means combined heat and power production, have been described. CHP work is possible and profitable only in those areas where high thermal power demand occurs, which means near city agglomerations such as Warsaw or the Tri-City. Two levels of thermal power delivered to the heating system have been considered. Preliminary...

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• Influence of dopants on structure of polycrystalline bismuth niobate

  Publikacja

  • D. Czekaj
  • A. Lisińska-Czekaj

  - Advances in Materials Science - Rok 2018

  Bismuth niobate (BiNbO4) has attracted attention as a low-fired ceramics with promising microwave application potential. BiNbO4 ceramics was fabricated by mixed oxide method and sintered at temperature T<1000˚C. As the sintering aids a small amount of CuO oxide was used. The crystalline structure of the ceramic samples was examined by X-ray diffraction method at room temperature. The Rietveld refinement method was used for analysis...

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• Wpływ popiołu lotnego na stopień wymywania wybranych metali ciężkich z betonu

  Publikacja

  • E. Haustein

  - Materiały Budowlane - Rok 2016

  W artykule zaprezentowano wyniki badań modelowych (2 lata) wymywania metali ciężkich z betonu z udziałem dodatku mineralnego - popiołu lotnego, w ilości od 15%, do 40% masy cementu. W badaniach ograniczono się do zbadania poziomu uwalnia metali ciężkich w postaci: Zn2+, Cr3+, Cd2+, Cu2+, Ni2+ oraz Pb2+. Uzyskane wyniki potwierdzają wysoki poziom immobilizacji metali ciężkich w mikrostrukturze betonu. Metale ciężkie ulegają adsorpcji...

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• WSPÓŁPRACA BLOKU GAZOWO-PAROWEGO Z OBIEGIEM ORC = Combinded power plant in cooperation with ORC

  Publikacja

  • D. Mikielewicz
  • J. Wajs
  • M. Bajor
  • K. Barcicka

  - Rok 2013

  In the paper presented is the idea of a combined gas and steam power plant cooperation with a low temperature organic Rankine cycle ORC unit. Considerations presented in the paper are accomplished for the Gorzów CHP. The intention of present analysis is heat recovery of low temperature energy and its further use in ORC cycle in order to produce electricity, without increase in fuel consumption. Waste energy is recovered from the...

• Geotechnical Aspects of Dike Construction Using Soil-Ash Composites

  Publikacja

  • Z. Sikora
  • R. Ossowski

  - Procedia Engineering - Rok 2013

  An analysis of using of anthropogenic materials, mainly ashes from Coal Combustion Products (CCP), for dike construction is shown. Perspectives of anthropogenic materials application in geotechnical engineering and their advantages in sense of the carbon dioxide reduction are discussed. According to regulations of Kioto Protocol 2005 and EU agreement “Energy Roadmap 2050” recycled materials have higher usage priority than natural...

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• Knowledge management in the processes of project requirements analysis

  Publikacja

  • A. Ziółkowski
  • C. Orłowski
  • W. Wysocki

  - Studies & Proceedings of Polish Association for Knowledge Management - Rok 2013

  Authors, based on one of popular software project management methods as RUP fo-cused on one of most important discipline in project management as requirements management. Authors decomposed the role of the business analyst and present methodological and realizational processes of knowledge managament in traditional and applied sources of knowledge tied with this role. An experiment was conducted in four project teams of all sizes,...

• Assessment of Fuel Cells’ State of Health by Low-Frequency Noise Measurements

  Publikacja

  • A. Szewczyk
  • Ł. Gaweł
  • K. Darowicki
  • J. Smulko

  - ENERGIES - Rok 2021

  We proposed applying low-frequency (flicker) noise in proton-exchange membrane fuel cells under selected loads to assess their state of health. The measurement set-up comprised a precise data acquisition board and was able to record the DC voltage and its random component at the output. The set-up estimated the voltage noise power spectral density at frequencies up to a few hundred mHz. We observed the evolution of the electrical...

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• The Influence of Storage on Human Milk Lipidome Stability for Lipidomic Studies

  Publikacja

  • D. Garwolińska
  • M. Młynarczyk
  • A. Kot-Wasik
  • W. Hewelt-Belka

  - JOURNAL OF PROTEOME RESEARCH - Rok 2022

  Human milk (HM) lipidome stability during storage is crucial in lipidomic studies to avoid misinterpretations. Facing the lack of comprehensive work on the HM lipidome stability, we performed a study on a potential alteration in the lipid profiles of HM samples stored under different conditions. An untargeted LC-Q-TOF-MS-based approach was applied to study the influence of storage conditions as well as the interaction of the storage...

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• Effect of Particle Size of Fly Ash Microspheres (FAMs) on the Selected Properties of Concrete

  Publikacja

  • E. Haustein
  • A. Kuryłowicz-Cudowska

  - Minerals - Rok 2022

  This paper presents the investigations of selected properties of concrete containing two fractions of fly ash microspheres (FAMs) with grain size up to 200 μm and up to 500 μm. Concrete mixtures with ordinary Portland cement and three substitution rates of cement by FAMs, 1.3%, 2.0%, and 2.6%, were investigated. For all concrete mixes, the constant water–binder ratio (w/b) equal to 0.50 was used. The research program included the...

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• Methods of Assessment of Metal Contamination in Bottom Sediments (Case Study: Straszyn Lake, Poland)

  Publikacja

  • E. Kulbat
  • A. Sokołowska

  - ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY - Rok 2019

  The concentrations of six metals (Zn, Cu, Pb, Ni, Cr, and Cd) were investigated in bottom sediments of Straszyn Lake (North Poland). This study was designed to determine a total content of metals and to assess their mobility and bioavailability. The sequential extraction was used to fractionate metals into five fractions: exchangeable, bound to carbonates, bound to Fe–Mn oxides, bound to organic matter, and residual. The evaluation...

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