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Search results for: Pipe-embedded structure
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Structure of own costs of private universities in 2010
Open Research DataThe biggest costs are generated by basic teaching activities. However, in the context of the competitiveness and quality of education in private universities, research expenditure is a cause for concern. Dataset shows that these universities spend less than 4.0% on research compared to other activities. For comparison, in public universities research...
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Fingerprint structure studies with semi-contact AFM
Open Research DataThe work [1] presents many, sometimes even surprising examples of the use of atomic force microscopy in modern forensics. Some of them are projectile tests using the characteristic scratch patterns created by the firing pin on the primer. There are more and more suggestions in the literature for the use of atomic force microscopy in dactyloscopy [2]....
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Roland Ryndzionek dr inż.
PeopleI received the M.Sc. degree in Electrical Engineering from Gdańsk University of Technology (Gdańsk Tech), Gdańsk, Poland, in 2010, the M.Sc. degree in Electrical Engineering from INP ENSEEIHT, Toulouse, France, in 2012, and the Ph.D. degree in Electrical Engineering from Gdańsk Tech and INP, in 2015. From 2015 to 2017. I was a postdoctoral research engineer at the SuperGrid Institute Lyon, France. Since 2017, I have been working...
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Synthesis, crystal structure and spectroscopic characterization of new anionic iridium(III) complexes and their interaction with biological targets
PublicationThe synthesis and characterisation of new anionic iridium(II) complexes (NH4)2[IrCl4(κ2N,N’-H2biim)]2 · 5H2O (1) and ((CH3)2NH2)[IrCl4(κ2N,N’-PyBIm)] · H2O (2) are presented in this article. Spectroscopic methods (1H, 13C and 15N NMR, FTIR, UV-Vis) were used to characterize these new complexes. Solid-state structural analysis (SC-XRD) of complexes 1 and 2 shows a slightly distorted octahedral geometry of Ir(III) ions, which is...
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A Novel Versatile Decoupling Structure and Expedited Inverse-Model-Based Re-Design Procedure for Compact Single-and Dual-Band MIMO Antennas
PublicationMultiple-input multiple-output (MIMO) antennas are considered to be the key components of fifth generation (5G) mobile communications. One of the challenges pertinent to the design of highly integrated MIMO structures is to minimize the mutual coupling among the antenna elements. The latter arises from two sources, the coupling in the free space and the coupling currents propagating on a ground plane. In this paper, an array of...
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Functional and spatial structure analysis – Lower Sopot (Dolny Sopot) district case study, study proposal no 1, February 2021
Open Research DataThe data presents results of work within the studies of the conditions of the district in the context of the city, Lower Sopot (Dolny Sopot) district, study proposal no 1, from February 2021. The goal of the research process was to present the functional and spatial structure analysis of the area located in Lower Sopot (Dolny Sopot) district in the...
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Functional and spatial structure analysis – Lower Sopot (Dolny Sopot) district case study, study proposal no 2, February 2021
Open Research DataThe data presents results of work within the studies of the conditions of the district in the context of the city, Lower Sopot (Dolny Sopot) district, study proposal no 2, from February 2021. The goal of the research process was to present the functional and spatial structure analysis of the area located in Lower Sopot (Dolny Sopot) district in the...
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Functional and spatial structure analysis – Lower Sopot (Dolny Sopot) district case study, study proposal no 4, February 2021
Open Research DataThe data presents results of work within the studies of the conditions of the district in the context of the city, Lower Sopot (Dolny Sopot) district, study proposal no 4, from February 2021. The goal of the research process was to present the functional and spatial structure analysis of the area located in Lower Sopot (Dolny Sopot) district in the...
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Functional and spatial structure analysis – Lower Sopot (Dolny Sopot) district case study, study proposal no 3, February 2021
Open Research DataThe data presents results of work within the studies of the conditions of the district in the context of the city, Lower Sopot (Dolny Sopot) district, study proposal no 3, from February 2021. The goal of the research process was to present the functional and spatial structure analysis of the area located in Lower Sopot (Dolny Sopot) district in the...
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Functional and spatial structure analysis – Lower Sopot (Dolny Sopot) district case study, study proposal no 5, February 2021
Open Research DataThe data presents results of work within the studies of the conditions of the district in the context of the city, Lower Sopot (Dolny Sopot) district, study proposal no 5, from February 2021. The goal of the research process was to present the functional and spatial structure analysis of the area located in Lower Sopot (Dolny Sopot) district in the...
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Functional and spatial structure analysis – Lower Sopot (Dolny Sopot) district case study, study proposal no 6, February 2021
Open Research DataThe data presents results of work within the studies of the conditions of the district in the context of the city, Lower Sopot (Dolny Sopot) district, study proposal no 6, from February 2021. The goal of the research process was to present the functional and spatial structure analysis of the area located in Lower Sopot (Dolny Sopot) district in the...
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Road Safety Observatories within the Structure of Integrated Transport Safety Systems
PublicationAccurate knowledge about the causes, circumstances and place of transport accidents is the prerequisite to take the correct action to improve transport safety. Developing appropriate organizational structures, forms and methods of management and implementation of safety measures in the sectoral approach condition the success. Therefore the Safety Information System is one of the integral areas of the Integrated Transport Safety...
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The geodetic monitoring of the engineering structure – a practical solution of the problem in 3D space
PublicationThe study raises the issues concerning the automatic system designed for the monitoring of movement of controlled points, located on the roof covering of the Forest Opera in Sopot. It presents the calculation algorithm proposed by authors. It takes into account the specific design and location of the test object. High forest stand makes it difficult to use distant reference points. Hence the reference points used to study the stability...
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Plate heat exchanger with porous structure for potential use in ORC system
PublicationThe experimental analysis of passive heat transfer intensification in the case of plate heat exchanger has been carried out. The passive intensification was obtained by a modification of the heat transfer surface, which was covered by a metallic porous microlayer. The experiment was accomplished in two stages. In the first stage the commercial stainless steel gasketed plate heat exchanger was investigated, while in the second one...
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Plate heat exchanger with porous structure for potential use in ORC system
PublicationThe experimental analysis of passive heat transfer intensification in the case of plate heat exchanger has been carried out. The passive intensification was obtained by a modification of the heat transfer surface, which was covered by a metallic porous microlayer. The experiment was accomplished in two stages. In the first stage the commercial stainless steel gasketed plate heat exchanger was investigated, while in the second one...
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Electrical properties and structure of lead-borate glass containing iron ions
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Crystal structure and physical properties of a novel ternary compound La15Mo Ge9
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Structure – chiroptical properties relationship of cisoid enones with an α-methylenecyclopentanone unit
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Analysis of molecular structure of starch citrate obtained by a well-stablished method
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The role of intermolecular interactions in stabilizing the structure of the nematic twist-bend phase
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Analysis of the amount of retained austenite in the structure of steel rolls for sheet rolling
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Influence of TiO2 structure on its photocatalytic activity towards acetaldehyde decomposition
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An integrated periodic structure in Silicon technology to improve power amplifier parameters
PublicationNowa zintegrowana struktura periodyczna wykonana w technologii krzemowej została wprowadzona do międzystopniowego układu dopasowania wzmacniacza mocy. Dzięki temu stwiedzono poprawę większości charakterystyk wzmacniacza, jak również własności filtrujących (tłumienie harmonicznych).
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Azomacrocyclic derivatives of imidazole: synthesis, structure, and metal ion complexation properties
PublicationOtrzymano nowe azokorony zawierające resztę imidazolu w makropierścieniu. Na drodze sprzęgania z solami diazoniowymiotrzymano pochodne imidazolu 2-metylo, 4-metylo oraz 4-fenyloimidazolu. Synteza była prowadzona w warunkach wysokiego ciśnienia. Dla 21-członowej pochodnej 4-metyloimidazolu określono strukturę jej adduktu z wodą przy pomocy metod rentgenograficznych.Zdolność kompleksowania jonów metali badano spektrofotometrycznie...
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Magnetic structure and properties of the S=5/2 triangular antiferromagnet - NaFeO2
PublicationWłaściwości magnetyczne związku NaFeO2 badane były za pomocą techniki dyfrakcji neutronowskiej i poprzez pomiar podatności magnetycznej.
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Deltorphin analogs restricted via a urea bridge: structure and opioid activity
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Simulation of Protein Structure and Dynamics with the Coarse-Grained UNRES Force Field
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Deltorphin analogs restricted via a urea bridge: structure and opioid activity
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Conformation-family Monte Carlo: A new method for crystal structure prediction
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Optimal Shape Refurbishment of Distorted Dome Structure with Safeguarding of Member Stress
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Committee of Electronics and Telecommunications Polish Academy of Sciences Structure – Activities – Perspectives
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Quantitative structure–retention relationships in affinity high-performance liquid chromatography
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The influence of laser alloying on the structure and mechanical properties of AlMg5Si2Mn surface layers
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Hyperfine Structure Study of Several Lines of207Pb I – Part II
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Influence of chemical composition of amide block on the thermal properties and structure of terpolymers
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Fluorescent Tricyclic Analogues of Acyclovir and Ganciclovir. A Structure−Antiviral Activity Study
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FPGA Implementation of the Gradient Adaptive Lattice Filter Structure for Feature Extraction
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Spillover and risk transmission in the components of the term structure of eurozone yield curve
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Plasmon and structure resonances in the scattering of light by a periodic chain of silver nanocylinders
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Thresholds of Lasing as Solutions of Characteristic Equation for a VCSEL-type Layered Structure
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Application of the fluid–structure interaction technique for the analysis of hydrodynamic lubrication problems
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FINANCIAL RESILIENCE TO THE COVID-19 PANDEMIC: THE ROLE OF BANKING MARKET STRUCTURE
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The structure and melting of lead nanocrystalline layer in reduced lead-germanate glass
PublicationNanokrystaliczna warstwa granul Pb na powierzchni szkieł ołowiowo-germanianowych została wytworzona poprzez wygrzewanie w wysokich temperaturach, w atmosferze wodoru. Właściwości tej warstwy silnie zależą od temperatury i czasu redukcji. Artykuł prezentuje rentgenowskie i mikroskopowe badania struktury warstwy oraz wpływ topnienia i krzepnięcia granul Pb na jej przewodnictwo.
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Farrow structure implementation of fractional delay filter optimal in Chebyshev sense
PublicationW pracy omówiono problematykę implementacji filtrów ułamkowych opóźniających o zmiennym opóźnieniu w oparciu o strukturę Farrowa. Podejście to polega na obliczeniu próbek nowej odpowiedzi impulsowej filtru dla każdego wymaganego opóźnienia w opraciu o wielomiany o współczynnikach niezależnych od opóźnienia. Prowadzi to do znacznego zmniejszenia kosztów numerycznych implementacji w zastosowaniach wymagających częstej zmiany opóźnienia...
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Electronic structure of PrBa2Cu3O7 after high-pressure compressionfrom first principles
PublicationW pracy zbadano wpływ ściskania wysokociśnieniowego (P=9GPa) na elektronową strukturę pasmową, rozkład ładunku i momenty magnetyczne w pełni utlenionego stechiometrycznego układu PrBa2Cu3O7. Zaobserwowano następujące zmiany wywołane ściskaniem: (1) zmniejszoną gęstość stanów (DOS) na poziomie Fermiego Ef, (2) zwiększona różnicę pomiędzy wartościami DOS dla stanów "spin-up" i "spin-down" w najbliższym otoczeniu Ef, (3) zmniejszone...
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Structure elucidation of carbamoylo-β-lactam diastereoisomers by ROESY and NOESY experiments
PublicationRecently we have focused in the problem of preparation of carbamoylo-β-lactams as a result of oxidative cyclization of malonyl enamides. In our experiments we obtain mixture of two main β-lactam products: as a result of subsequent elimination and a second as a product of substitution. All of the produced β-lactams have trans configuration what was confirmed by 1H coupling constants. However id should be stressed that in the case...
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Structure of sol-gel derived Nb2O5 films for active coating devices
PublicationW artykule przedstawiono wyniki badań struktury cienkich warstw nb2o5 otrzymywanych metodą zol-żel. wytworzone warstwy charakteryzowano pod kątem zastosowania jako materiałów na aktywne pokrycia fotoniczne.
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Influence of electric power generator structure on frequency control - mathematical modeliling
PublicationPodstawowym celem pakietu ''3x20'' Unii Europejskiej jest zmniejszenie o 20% emisji dwutlenku węgla. Z tego powodu oczekuje się w Polsce rozwoju energetyki wiatrowej, podobnie jak energetyki jądrowej, a także mini elektrociepłowni. Elektrownie wiatrowe i jądrowe wnoszą specyficzne problemy w regulacji automatycznej częstotliwości systemu elektroenergetycznego. farmy wiatrowe wymagają pod tym względem wspomagania przez elektrownie...
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Simulation of damage process of containership's side structure due to collision with a rock
PublicationW artykule przedstawiono wyniki uproszczonego modelowania numerycznego procesu kolizji burty kontenerowca ze skałą. Analiza wyników modelowania pozwala wyciągnąć wnioski o charakterze zjawiska jak również określić obszar i głębokość uszkodzenia wywołanego przez penetrującą skałę w celu doboru wymiarów geometrii i wypełniacza dla drugiej bariery ochronnej.
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Desmuramylopeptydy - struktura i aktywność biologiczna = Desmuramylpeptide - structure and biological activity
PublicationWśród fragmentów bakteryjnych ścian komórkowych, ktore wzbudzają duże zainteresowanie, są tak zwane desmuramylopeptydy. Są to cząsteczki nie zawierające reszty kwasu muraminowego. W niniejszym artykule opisano desmuramylopeptydy, które z uwagi na swoje właściwości farmakologiczne, takie jak stymulowanie niespecyficznej odporności przeciwbakteryjnej, aktywność przeciwwirusową i przeciwnowotworową oraz synergistyczne oddziaływanie...